コード例 #1
0
    def __init__(self,
                 snakefile=None,
                 snakemakepath=None,
                 jobscript=None,
                 overwrite_shellcmd=None,
                 overwrite_config=dict(),
                 overwrite_workdir=None,
                 overwrite_configfile=None,
                 overwrite_clusterconfig=dict(),
                 config_args=None,
                 debug=False):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.snakemakepath = snakemakepath
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfile = overwrite_configfile
        self.overwrite_clusterconfig = overwrite_clusterconfig
        self.config_args = config_args
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self._onstart = lambda log: None
        self._wildcard_constraints = dict()
        self.debug = debug
        self._rulecount = 0

        global config
        config = dict()
        config.update(self.overwrite_config)

        global cluster_config
        cluster_config = dict()
        cluster_config.update(self.overwrite_clusterconfig)

        global rules
        rules = Rules()
コード例 #2
0
ファイル: workflow.py プロジェクト: ginger0106/snakemake
 def __init__(self, snakefile=None, snakemakepath=None, jobscript=None):
     """
     Create the controller.
     """
     self._rules = OrderedDict()
     self.first_rule = None
     self._workdir = None
     self._ruleorder = Ruleorder()
     self._localrules = set()
     self.linemaps = dict()
     self.rule_count = 0
     self.basedir = os.path.dirname(snakefile)
     self.snakefile = os.path.abspath(snakefile)
     self.snakemakepath = os.path.abspath(snakemakepath)
     self.jobscript = jobscript
     self.persistence = None
     self.global_resources = None
     self.globals = globals()
     self._subworkflows = dict()
コード例 #3
0
ファイル: workflow.py プロジェクト: tianyabeef/gutMicrobiome
    def __init__(self,
                 snakefile=None,
                 snakemakepath=None,
                 jobscript=None,
                 overwrite_shellcmd=None,
                 overwrite_config=dict(),
                 overwrite_workdir=None,
                 overwrite_configfile=None,
                 overwrite_clusterconfig=dict(),
                 config_args=None,
                 debug=False):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.snakemakepath = snakemakepath
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfile = overwrite_configfile
        self.overwrite_clusterconfig = overwrite_clusterconfig
        self.config_args = config_args
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self._onstart = lambda log: None
        self.debug = debug
        self._rulecount = 0

        global config
        config = dict()
        config.update(self.overwrite_config)

        global cluster_config
        cluster_config = dict()
        cluster_config.update(self.overwrite_clusterconfig)

        global rules
        rules = Rules()
コード例 #4
0
ファイル: workflow.py プロジェクト: Kirill84/snakemake
 def __init__(self, snakefile=None, snakemakepath=None, jobscript=None):
     """
     Create the controller.
     """
     self._rules = OrderedDict()
     self.first_rule = None
     self._workdir = None
     self._ruleorder = Ruleorder()
     self._localrules = set()
     self.linemaps = dict()
     self.rule_count = 0
     self.basedir = os.path.dirname(snakefile)
     self.snakefile = os.path.abspath(snakefile)
     self.snakemakepath = os.path.abspath(snakemakepath)
     self.jobscript = jobscript
     self.persistence = None
     self.global_resources = None
     self.globals = globals()
     self._subworkflows = dict()
コード例 #5
0
    def __init__(
        self,
        snakefile=None,
        jobscript=None,
        overwrite_shellcmd=None,
        overwrite_config=dict(),
        overwrite_workdir=None,
        overwrite_configfiles=None,
        overwrite_clusterconfig=dict(),
        overwrite_threads=dict(),
        config_args=None,
        debug=False,
        verbose=False,
        use_conda=False,
        conda_prefix=None,
        use_singularity=False,
        use_env_modules=False,
        singularity_prefix=None,
        singularity_args="",
        shadow_prefix=None,
        mode=Mode.default,
        wrapper_prefix=None,
        printshellcmds=False,
        restart_times=None,
        attempt=1,
        default_remote_provider=None,
        default_remote_prefix="",
        run_local=True,
        default_resources=None,
        cache=None,
        nodes=1,
        cores=1,
        resources=None,
        conda_cleanup_pkgs=False,
    ):
        """
        Create the controller.
        """

        self.global_resources = dict() if resources is None else resources
        self.global_resources["_cores"] = cores
        self.global_resources["_nodes"] = nodes

        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfiles = overwrite_configfiles
        self.overwrite_clusterconfig = overwrite_clusterconfig
        self.overwrite_threads = overwrite_threads
        self.config_args = config_args
        self.immediate_submit = None
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self._onstart = lambda log: None
        self._wildcard_constraints = dict()
        self.debug = debug
        self.verbose = verbose
        self._rulecount = 0
        self.use_conda = use_conda
        self.conda_prefix = conda_prefix
        self.use_singularity = use_singularity
        self.use_env_modules = use_env_modules
        self.singularity_prefix = singularity_prefix
        self.singularity_args = singularity_args
        self.shadow_prefix = shadow_prefix
        self.global_container_img = None
        self.mode = mode
        self.wrapper_prefix = wrapper_prefix
        self.printshellcmds = printshellcmds
        self.restart_times = restart_times
        self.attempt = attempt
        self.default_remote_provider = default_remote_provider
        self.default_remote_prefix = default_remote_prefix
        self.configfiles = []
        self.run_local = run_local
        self.report_text = None
        self.conda_cleanup_pkgs = conda_cleanup_pkgs
        # environment variables to pass to jobs
        # These are defined via the "envvars:" syntax in the Snakefile itself
        self.envvars = set()

        self.enable_cache = False
        if cache is not None:
            self.enable_cache = True
            self.cache_rules = set(cache)
            if self.default_remote_provider is not None:
                self.output_file_cache = RemoteOutputFileCache(
                    self.default_remote_provider)
            else:
                self.output_file_cache = LocalOutputFileCache()
        else:
            self.output_file_cache = None
            self.cache_rules = set()

        if default_resources is not None:
            self.default_resources = default_resources
        else:
            # only _cores and _nodes
            self.default_resources = DefaultResources()

        self.iocache = snakemake.io.IOCache()

        global config
        config = copy.deepcopy(self.overwrite_config)

        global cluster_config
        cluster_config = copy.deepcopy(self.overwrite_clusterconfig)

        global rules
        rules = Rules()
        global checkpoints
        checkpoints = Checkpoints()
コード例 #6
0
class Workflow:
    def __init__(
        self,
        snakefile=None,
        jobscript=None,
        overwrite_shellcmd=None,
        overwrite_config=dict(),
        overwrite_workdir=None,
        overwrite_configfiles=None,
        overwrite_clusterconfig=dict(),
        overwrite_threads=dict(),
        config_args=None,
        debug=False,
        verbose=False,
        use_conda=False,
        conda_prefix=None,
        use_singularity=False,
        use_env_modules=False,
        singularity_prefix=None,
        singularity_args="",
        shadow_prefix=None,
        mode=Mode.default,
        wrapper_prefix=None,
        printshellcmds=False,
        restart_times=None,
        attempt=1,
        default_remote_provider=None,
        default_remote_prefix="",
        run_local=True,
        default_resources=None,
        cache=None,
        nodes=1,
        cores=1,
        resources=None,
        conda_cleanup_pkgs=False,
    ):
        """
        Create the controller.
        """

        self.global_resources = dict() if resources is None else resources
        self.global_resources["_cores"] = cores
        self.global_resources["_nodes"] = nodes

        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfiles = overwrite_configfiles
        self.overwrite_clusterconfig = overwrite_clusterconfig
        self.overwrite_threads = overwrite_threads
        self.config_args = config_args
        self.immediate_submit = None
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self._onstart = lambda log: None
        self._wildcard_constraints = dict()
        self.debug = debug
        self.verbose = verbose
        self._rulecount = 0
        self.use_conda = use_conda
        self.conda_prefix = conda_prefix
        self.use_singularity = use_singularity
        self.use_env_modules = use_env_modules
        self.singularity_prefix = singularity_prefix
        self.singularity_args = singularity_args
        self.shadow_prefix = shadow_prefix
        self.global_container_img = None
        self.mode = mode
        self.wrapper_prefix = wrapper_prefix
        self.printshellcmds = printshellcmds
        self.restart_times = restart_times
        self.attempt = attempt
        self.default_remote_provider = default_remote_provider
        self.default_remote_prefix = default_remote_prefix
        self.configfiles = []
        self.run_local = run_local
        self.report_text = None
        self.conda_cleanup_pkgs = conda_cleanup_pkgs
        # environment variables to pass to jobs
        # These are defined via the "envvars:" syntax in the Snakefile itself
        self.envvars = set()

        self.enable_cache = False
        if cache is not None:
            self.enable_cache = True
            self.cache_rules = set(cache)
            if self.default_remote_provider is not None:
                self.output_file_cache = RemoteOutputFileCache(
                    self.default_remote_provider)
            else:
                self.output_file_cache = LocalOutputFileCache()
        else:
            self.output_file_cache = None
            self.cache_rules = set()

        if default_resources is not None:
            self.default_resources = default_resources
        else:
            # only _cores and _nodes
            self.default_resources = DefaultResources()

        self.iocache = snakemake.io.IOCache()

        global config
        config = copy.deepcopy(self.overwrite_config)

        global cluster_config
        cluster_config = copy.deepcopy(self.overwrite_clusterconfig)

        global rules
        rules = Rules()
        global checkpoints
        checkpoints = Checkpoints()

    def lint(self, json=False):
        from snakemake.linting.rules import RuleLinter
        from snakemake.linting.snakefiles import SnakefileLinter

        json_snakefile_lints, snakefile_linted = SnakefileLinter(
            self, self.included).lint(json=json)
        json_rule_lints, rules_linted = RuleLinter(self,
                                                   self.rules).lint(json=json)

        linted = snakefile_linted or rules_linted

        if json:
            import json

            print(
                json.dumps(
                    {
                        "snakefiles": json_snakefile_lints,
                        "rules": json_rule_lints
                    },
                    indent=2,
                ))
        else:
            if not linted:
                logger.info(
                    "Congratulations, your workflow is in a good condition!")
        return linted

    def is_cached_rule(self, rule: Rule):
        return rule.name in self.cache_rules

    def get_sources(self):
        files = set()

        def local_path(f):
            url = urlparse(f)
            if url.scheme == "file" or url.scheme == "":
                return url.path
            return None

        def norm_rule_relpath(f, rule):
            if not os.path.isabs(f):
                f = os.path.join(rule.basedir, f)
            return os.path.relpath(f)

        # get registered sources
        for f in self.included:
            f = local_path(f)
            if f:
                files.add(os.path.relpath(f))
        for rule in self.rules:
            script_path = rule.script or rule.notebook
            if script_path:
                script_path = norm_rule_relpath(script_path, rule)
                files.add(script_path)
                script_dir = os.path.dirname(script_path)
                files.update(
                    os.path.join(dirpath, f)
                    for dirpath, _, files in os.walk(script_dir)
                    for f in files)
            if rule.conda_env:
                f = local_path(rule.conda_env)
                if f:
                    # url points to a local env file
                    env_path = norm_rule_relpath(f, rule)
                    files.add(env_path)

        for f in self.configfiles:
            files.add(f)

        # get git-managed files
        # TODO allow a manifest file as alternative
        try:
            out = subprocess.check_output(["git", "ls-files", "."],
                                          stderr=subprocess.PIPE)
            for f in out.decode().split("\n"):
                if f:
                    files.add(os.path.relpath(f))
        except subprocess.CalledProcessError as e:
            if "fatal: not a git repository" in e.stderr.decode().lower():
                logger.warning("Unable to retrieve additional files from git. "
                               "This is not a git repository.")
            else:
                raise WorkflowError("Error executing git:\n{}".format(
                    e.stderr.decode()))

        return files

    @property
    def subworkflows(self):
        return self._subworkflows.values()

    @property
    def rules(self):
        return self._rules.values()

    @property
    def cores(self):
        return self.global_resources["_cores"]

    @property
    def nodes(self):
        return self.global_resources["_nodes"]

    @property
    def concrete_files(self):
        return (file for rule in self.rules
                for file in chain(rule.input, rule.output)
                if not callable(file) and not file.contains_wildcard())

    def check(self):
        for clause in self._ruleorder:
            for rulename in clause:
                if not self.is_rule(rulename):
                    raise UnknownRuleException(
                        rulename, prefix="Error in ruleorder definition.")

    def add_rule(self,
                 name=None,
                 lineno=None,
                 snakefile=None,
                 checkpoint=False):
        """
        Add a rule.
        """
        if name is None:
            name = str(len(self._rules) + 1)
        if self.is_rule(name):
            raise CreateRuleException(
                "The name {} is already used by another rule".format(name))
        rule = Rule(name, self, lineno=lineno, snakefile=snakefile)
        self._rules[rule.name] = rule
        self.rule_count += 1
        if not self.first_rule:
            self.first_rule = rule.name
        return name

    def is_rule(self, name):
        """
        Return True if name is the name of a rule.

        Arguments
        name -- a name
        """
        return name in self._rules

    def get_rule(self, name):
        """
        Get rule by name.

        Arguments
        name -- the name of the rule
        """
        if not self._rules:
            raise NoRulesException()
        if not name in self._rules:
            raise UnknownRuleException(name)
        return self._rules[name]

    def list_rules(self, only_targets=False):
        rules = self.rules
        if only_targets:
            rules = filterfalse(Rule.has_wildcards, rules)
        for rule in rules:
            logger.rule_info(name=rule.name, docstring=rule.docstring)

    def list_resources(self):
        for resource in set(resource for rule in self.rules
                            for resource in rule.resources):
            if resource not in "_cores _nodes".split():
                logger.info(resource)

    def is_local(self, rule):
        return rule.group is None and (rule.name in self._localrules
                                       or rule.norun)

    def check_localrules(self):
        undefined = self._localrules - set(rule.name for rule in self.rules)
        if undefined:
            logger.warning("localrules directive specifies rules that are not "
                           "present in the Snakefile:\n{}\n".format("\n".join(
                               map("\t{}".format, undefined))))

    def inputfile(self, path):
        """Mark file as being an input file of the workflow.

        This also means that eventual --default-remote-provider/prefix settings
        will be applied to this file. The file is returned as _IOFile object,
        such that it can e.g. be transparently opened with _IOFile.open().
        """
        if isinstance(path, Path):
            path = str(path)
        if self.default_remote_provider is not None:
            path = self.apply_default_remote(path)
        return IOFile(path)

    def apply_default_remote(self, path):
        """Apply the defined default remote provider to the given path and return the updated _IOFile.
        Asserts that default remote provider is defined.
        """
        assert (
            self.default_remote_provider is not None
        ), "No default remote provider is defined, calling this anyway is a bug"
        path = "{}/{}".format(self.default_remote_prefix, path)
        path = os.path.normpath(path)
        return self.default_remote_provider.remote(path)

    def execute(
        self,
        targets=None,
        dryrun=False,
        touch=False,
        local_cores=1,
        forcetargets=False,
        forceall=False,
        forcerun=None,
        until=[],
        omit_from=[],
        prioritytargets=None,
        quiet=False,
        keepgoing=False,
        printshellcmds=False,
        printreason=False,
        printdag=False,
        cluster=None,
        cluster_sync=None,
        jobname=None,
        immediate_submit=False,
        ignore_ambiguity=False,
        printrulegraph=False,
        printfilegraph=False,
        printd3dag=False,
        drmaa=None,
        drmaa_log_dir=None,
        kubernetes=None,
        tibanna=None,
        tibanna_sfn=None,
        precommand="",
        tibanna_config=False,
        container_image=None,
        stats=None,
        force_incomplete=False,
        ignore_incomplete=False,
        list_version_changes=False,
        list_code_changes=False,
        list_input_changes=False,
        list_params_changes=False,
        list_untracked=False,
        list_conda_envs=False,
        summary=False,
        archive=None,
        delete_all_output=False,
        delete_temp_output=False,
        detailed_summary=False,
        latency_wait=3,
        wait_for_files=None,
        nolock=False,
        unlock=False,
        notemp=False,
        nodeps=False,
        cleanup_metadata=None,
        conda_cleanup_envs=False,
        cleanup_shadow=False,
        cleanup_scripts=True,
        subsnakemake=None,
        updated_files=None,
        keep_target_files=False,
        keep_shadow=False,
        keep_remote_local=False,
        allowed_rules=None,
        max_jobs_per_second=None,
        max_status_checks_per_second=None,
        greediness=1.0,
        no_hooks=False,
        force_use_threads=False,
        conda_create_envs_only=False,
        assume_shared_fs=True,
        cluster_status=None,
        report=None,
        report_stylesheet=None,
        export_cwl=False,
        batch=None,
        keepincomplete=False,
    ):

        self.check_localrules()
        self.immediate_submit = immediate_submit
        self.cleanup_scripts = cleanup_scripts

        def rules(items):
            return map(self._rules.__getitem__, filter(self.is_rule, items))

        if keep_target_files:

            def files(items):
                return filterfalse(self.is_rule, items)

        else:

            def files(items):
                relpath = lambda f: f if os.path.isabs(f) else os.path.relpath(
                    f)
                return map(relpath, filterfalse(self.is_rule, items))

        if not targets:
            targets = [self.first_rule
                       ] if self.first_rule is not None else list()

        if prioritytargets is None:
            prioritytargets = list()
        if forcerun is None:
            forcerun = list()
        if until is None:
            until = list()
        if omit_from is None:
            omit_from = list()

        priorityrules = set(rules(prioritytargets))
        priorityfiles = set(files(prioritytargets))
        forcerules = set(rules(forcerun))
        forcefiles = set(files(forcerun))
        untilrules = set(rules(until))
        untilfiles = set(files(until))
        omitrules = set(rules(omit_from))
        omitfiles = set(files(omit_from))
        targetrules = set(
            chain(
                rules(targets),
                filterfalse(Rule.has_wildcards, priorityrules),
                filterfalse(Rule.has_wildcards, forcerules),
                filterfalse(Rule.has_wildcards, untilrules),
            ))
        targetfiles = set(
            chain(files(targets), priorityfiles, forcefiles, untilfiles))
        if forcetargets:
            forcefiles.update(targetfiles)
            forcerules.update(targetrules)

        rules = self.rules
        if allowed_rules:
            rules = [rule for rule in rules if rule.name in set(allowed_rules)]

        if wait_for_files is not None:
            try:
                snakemake.io.wait_for_files(wait_for_files,
                                            latency_wait=latency_wait)
            except IOError as e:
                logger.error(str(e))
                return False

        dag = DAG(
            self,
            rules,
            dryrun=dryrun,
            targetfiles=targetfiles,
            targetrules=targetrules,
            # when cleaning up conda, we should enforce all possible jobs
            # since their envs shall not be deleted
            forceall=forceall or conda_cleanup_envs,
            forcefiles=forcefiles,
            forcerules=forcerules,
            priorityfiles=priorityfiles,
            priorityrules=priorityrules,
            untilfiles=untilfiles,
            untilrules=untilrules,
            omitfiles=omitfiles,
            omitrules=omitrules,
            ignore_ambiguity=ignore_ambiguity,
            force_incomplete=force_incomplete,
            ignore_incomplete=ignore_incomplete or printdag or printrulegraph
            or printfilegraph,
            notemp=notemp,
            keep_remote_local=keep_remote_local,
            batch=batch,
        )

        self.persistence = Persistence(
            nolock=nolock,
            dag=dag,
            conda_prefix=self.conda_prefix,
            singularity_prefix=self.singularity_prefix,
            shadow_prefix=self.shadow_prefix,
            warn_only=dryrun or printrulegraph or printfilegraph or printdag
            or summary or archive or list_version_changes or list_code_changes
            or list_input_changes or list_params_changes or list_untracked
            or delete_all_output or delete_temp_output,
        )

        if cleanup_metadata:
            for f in cleanup_metadata:
                self.persistence.cleanup_metadata(f)
            return True

        logger.info("Building DAG of jobs...")
        dag.init()
        dag.update_checkpoint_dependencies()
        # check incomplete has to run BEFORE any call to postprocess
        dag.check_incomplete()
        dag.check_dynamic()

        if unlock:
            try:
                self.persistence.cleanup_locks()
                logger.info("Unlocking working directory.")
                return True
            except IOError:
                logger.error("Error: Unlocking the directory {} failed. Maybe "
                             "you don't have the permissions?")
                return False
        try:
            self.persistence.lock()
        except IOError:
            logger.error(
                "Error: Directory cannot be locked. Please make "
                "sure that no other Snakemake process is trying to create "
                "the same files in the following directory:\n{}\n"
                "If you are sure that no other "
                "instances of snakemake are running on this directory, "
                "the remaining lock was likely caused by a kill signal or "
                "a power loss. It can be removed with "
                "the --unlock argument.".format(os.getcwd()))
            return False

        if cleanup_shadow:
            self.persistence.cleanup_shadow()
            return True

        if (self.subworkflows and not printdag and not printrulegraph
                and not printfilegraph):
            # backup globals
            globals_backup = dict(self.globals)
            # execute subworkflows
            for subworkflow in self.subworkflows:
                subworkflow_targets = subworkflow.targets(dag)
                logger.debug(
                    "Files requested from subworkflow:\n    {}".format(
                        "\n    ".join(subworkflow_targets)))
                updated = list()
                if subworkflow_targets:
                    logger.info("Executing subworkflow {}.".format(
                        subworkflow.name))
                    if not subsnakemake(
                            subworkflow.snakefile,
                            workdir=subworkflow.workdir,
                            targets=subworkflow_targets,
                            configfiles=[subworkflow.configfile]
                            if subworkflow.configfile else None,
                            updated_files=updated,
                    ):
                        return False
                    dag.updated_subworkflow_files.update(
                        subworkflow.target(f) for f in updated)
                else:
                    logger.info("Subworkflow {}: Nothing to be done.".format(
                        subworkflow.name))
            if self.subworkflows:
                logger.info("Executing main workflow.")
            # rescue globals
            self.globals.update(globals_backup)

        dag.postprocess()
        # deactivate IOCache such that from now on we always get updated
        # size, existence and mtime information
        # ATTENTION: this may never be removed without really good reason.
        # Otherwise weird things may happen.
        self.iocache.deactivate()
        # clear and deactivate persistence cache, from now on we want to see updates
        self.persistence.deactivate_cache()

        if nodeps:
            missing_input = [
                f for job in dag.targetjobs for f in job.input
                if dag.needrun(job) and not os.path.exists(f)
            ]
            if missing_input:
                logger.error(
                    "Dependency resolution disabled (--nodeps) "
                    "but missing input "
                    "files detected. If this happens on a cluster, please make sure "
                    "that you handle the dependencies yourself or turn off "
                    "--immediate-submit. Missing input files:\n{}".format(
                        "\n".join(missing_input)))
                return False

        updated_files.extend(f for job in dag.needrun_jobs for f in job.output)

        if export_cwl:
            from snakemake.cwl import dag_to_cwl
            import json

            with open(export_cwl, "w") as cwl:
                json.dump(dag_to_cwl(dag), cwl, indent=4)
            return True
        elif report:
            from snakemake.report import auto_report

            auto_report(dag, report, stylesheet=report_stylesheet)
            return True
        elif printd3dag:
            dag.d3dag()
            return True
        elif printdag:
            print(dag)
            return True
        elif printrulegraph:
            print(dag.rule_dot())
            return True
        elif printfilegraph:
            print(dag.filegraph_dot())
            return True
        elif summary:
            print("\n".join(dag.summary(detailed=False)))
            return True
        elif detailed_summary:
            print("\n".join(dag.summary(detailed=True)))
            return True
        elif archive:
            dag.archive(archive)
            return True
        elif delete_all_output:
            dag.clean(only_temp=False, dryrun=dryrun)
            return True
        elif delete_temp_output:
            dag.clean(only_temp=True, dryrun=dryrun)
            return True
        elif list_version_changes:
            items = list(
                chain(*map(self.persistence.version_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_code_changes:
            items = list(chain(*map(self.persistence.code_changed, dag.jobs)))
            for j in dag.jobs:
                items.extend(list(j.outputs_older_than_script_or_notebook()))
            if items:
                print(*items, sep="\n")
            return True
        elif list_input_changes:
            items = list(chain(*map(self.persistence.input_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_params_changes:
            items = list(
                chain(*map(self.persistence.params_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_untracked:
            dag.list_untracked()
            return True

        if self.use_singularity:
            if assume_shared_fs:
                dag.pull_container_imgs(dryrun=dryrun or list_conda_envs,
                                        quiet=list_conda_envs)
        if self.use_conda:
            if assume_shared_fs:
                dag.create_conda_envs(
                    dryrun=dryrun or list_conda_envs or conda_cleanup_envs,
                    quiet=list_conda_envs,
                )
            if conda_create_envs_only:
                return True

        if list_conda_envs:
            print("environment", "container", "location", sep="\t")
            for env in set(job.conda_env for job in dag.jobs):
                if env:
                    print(
                        simplify_path(env.file),
                        env.container_img_url or "",
                        simplify_path(env.path),
                        sep="\t",
                    )
            return True

        if conda_cleanup_envs:
            self.persistence.conda_cleanup_envs()
            return True

        scheduler = JobScheduler(
            self,
            dag,
            self.cores,
            local_cores=local_cores,
            dryrun=dryrun,
            touch=touch,
            cluster=cluster,
            cluster_status=cluster_status,
            cluster_config=cluster_config,
            cluster_sync=cluster_sync,
            jobname=jobname,
            max_jobs_per_second=max_jobs_per_second,
            max_status_checks_per_second=max_status_checks_per_second,
            quiet=quiet,
            keepgoing=keepgoing,
            drmaa=drmaa,
            drmaa_log_dir=drmaa_log_dir,
            kubernetes=kubernetes,
            tibanna=tibanna,
            tibanna_sfn=tibanna_sfn,
            precommand=precommand,
            tibanna_config=tibanna_config,
            container_image=container_image,
            printreason=printreason,
            printshellcmds=printshellcmds,
            latency_wait=latency_wait,
            greediness=greediness,
            force_use_threads=force_use_threads,
            assume_shared_fs=assume_shared_fs,
            keepincomplete=keepincomplete,
        )

        if not dryrun:
            if len(dag):
                shell_exec = shell.get_executable()
                if shell_exec is not None:
                    logger.info("Using shell: {}".format(shell_exec))
                if cluster or cluster_sync or drmaa:
                    logger.resources_info("Provided cluster nodes: {}".format(
                        self.nodes))
                else:
                    warning = ("" if self.cores > 1 else
                               " (use --cores to define parallelism)")
                    logger.resources_info("Provided cores: {}{}".format(
                        self.cores, warning))
                    logger.resources_info("Rules claiming more threads "
                                          "will be scaled down.")

                provided_resources = format_resources(self.global_resources)
                if provided_resources:
                    logger.resources_info("Provided resources: " +
                                          provided_resources)

                if self.run_local and any(rule.group for rule in self.rules):
                    logger.info("Group jobs: inactive (local execution)")

                if not self.use_conda and any(rule.conda_env
                                              for rule in self.rules):
                    logger.info("Conda environments: ignored")

                if not self.use_singularity and any(rule.container_img
                                                    for rule in self.rules):
                    logger.info("Singularity containers: ignored")

                logger.run_info("\n".join(dag.stats()))
            else:
                logger.info("Nothing to be done.")
        else:
            # the dryrun case
            if len(dag):
                logger.run_info("\n".join(dag.stats()))
            else:
                logger.info("Nothing to be done.")
                return True
            if quiet:
                # in case of dryrun and quiet, just print above info and exit
                return True

        if not dryrun and not no_hooks:
            self._onstart(logger.get_logfile())

        success = scheduler.schedule()

        if success:
            if dryrun:
                if len(dag):
                    logger.run_info("\n".join(dag.stats()))
                logger.info("This was a dry-run (flag -n). The order of jobs "
                            "does not reflect the order of execution.")
                logger.remove_logfile()
            else:
                if stats:
                    scheduler.stats.to_json(stats)
                logger.logfile_hint()
            if not dryrun and not no_hooks:
                self._onsuccess(logger.get_logfile())
            return True
        else:
            if not dryrun and not no_hooks:
                self._onerror(logger.get_logfile())
            logger.logfile_hint()
            return False

    @property
    def current_basedir(self):
        """Basedir of currently parsed Snakefile."""
        assert self.included_stack
        return os.path.abspath(os.path.dirname(self.included_stack[-1]))

    def register_envvars(self, *envvars):
        """
        Register environment variables that shall be passed to jobs.
        If used multiple times, union is taken.
        """
        undefined = [var for var in envvars if var not in os.environ]
        if undefined:
            raise WorkflowError(
                "The following environment variables are requested by the workflow but undefined. "
                "Please make sure that they are correctly defined before running Snakemake:\n"
                "{}".format("\n".join(undefined)))
        self.envvars.update(envvars)

    def include(
        self,
        snakefile,
        overwrite_first_rule=False,
        print_compilation=False,
        overwrite_shellcmd=None,
    ):
        """
        Include a snakefile.
        """
        # check if snakefile is a path to the filesystem
        if not urllib.parse.urlparse(snakefile).scheme:
            if not os.path.isabs(snakefile) and self.included_stack:
                snakefile = os.path.join(self.current_basedir, snakefile)
            # Could still be an url if relative import was used
            if not urllib.parse.urlparse(snakefile).scheme:
                snakefile = os.path.abspath(snakefile)
        # else it could be an url.
        # at least we don't want to modify the path for clarity.

        if snakefile in self.included:
            logger.info("Multiple include of {} ignored".format(snakefile))
            return
        self.included.append(snakefile)
        self.included_stack.append(snakefile)

        global workflow

        workflow = self

        first_rule = self.first_rule
        code, linemap, rulecount = parse(
            snakefile,
            overwrite_shellcmd=self.overwrite_shellcmd,
            rulecount=self._rulecount,
        )
        self._rulecount = rulecount

        if print_compilation:
            print(code)

        # insert the current directory into sys.path
        # this allows to import modules from the workflow directory
        sys.path.insert(0, os.path.dirname(snakefile))

        self.linemaps[snakefile] = linemap
        exec(compile(code, snakefile, "exec"), self.globals)
        if not overwrite_first_rule:
            self.first_rule = first_rule
        self.included_stack.pop()

    def onstart(self, func):
        """Register onstart function."""
        self._onstart = func

    def onsuccess(self, func):
        """Register onsuccess function."""
        self._onsuccess = func

    def onerror(self, func):
        """Register onerror function."""
        self._onerror = func

    def global_wildcard_constraints(self, **content):
        """Register global wildcard constraints."""
        self._wildcard_constraints.update(content)
        # update all rules so far
        for rule in self.rules:
            rule.update_wildcard_constraints()

    def workdir(self, workdir):
        """Register workdir."""
        if self.overwrite_workdir is None:
            os.makedirs(workdir, exist_ok=True)
            self._workdir = workdir
            os.chdir(workdir)

    def configfile(self, fp):
        """ Update the global config with data from the given file. """
        global config
        self.configfiles.append(fp)
        c = snakemake.io.load_configfile(fp)
        update_config(config, c)
        update_config(config, self.overwrite_config)

    def report(self, path):
        """ Define a global report description in .rst format."""
        self.report_text = os.path.join(self.current_basedir, path)

    @property
    def config(self):
        global config
        return config

    def ruleorder(self, *rulenames):
        self._ruleorder.add(*rulenames)

    def subworkflow(self, name, snakefile=None, workdir=None, configfile=None):
        # Take absolute path of config file, because it is relative to current
        # workdir, which could be changed for the subworkflow.
        if configfile:
            configfile = os.path.abspath(configfile)
        sw = Subworkflow(self, name, snakefile, workdir, configfile)
        self._subworkflows[name] = sw
        self.globals[name] = sw.target

    def localrules(self, *rulenames):
        self._localrules.update(rulenames)

    def rule(self, name=None, lineno=None, snakefile=None, checkpoint=False):
        name = self.add_rule(name, lineno, snakefile, checkpoint)
        rule = self.get_rule(name)
        rule.is_checkpoint = checkpoint

        def decorate(ruleinfo):
            if ruleinfo.wildcard_constraints:
                rule.set_wildcard_constraints(
                    *ruleinfo.wildcard_constraints[0],
                    **ruleinfo.wildcard_constraints[1])
            if ruleinfo.input:
                rule.set_input(*ruleinfo.input[0], **ruleinfo.input[1])
            if ruleinfo.output:
                rule.set_output(*ruleinfo.output[0], **ruleinfo.output[1])
            if ruleinfo.params:
                rule.set_params(*ruleinfo.params[0], **ruleinfo.params[1])
            # handle default resources
            if self.default_resources is not None:
                rule.resources = copy.deepcopy(self.default_resources.parsed)
            if ruleinfo.threads is not None:
                if (not isinstance(ruleinfo.threads, int)
                        and not isinstance(ruleinfo.threads, float)
                        and not callable(ruleinfo.threads)):
                    raise RuleException(
                        "Threads value has to be an integer, float, or a callable.",
                        rule=rule,
                    )
                if name in self.overwrite_threads:
                    rule.resources["_cores"] = self.overwrite_threads[name]
                else:
                    if isinstance(ruleinfo.threads, float):
                        ruleinfo.threads = int(ruleinfo.threads)
                    rule.resources["_cores"] = ruleinfo.threads
            if ruleinfo.shadow_depth:
                if ruleinfo.shadow_depth not in (True, "shallow", "full",
                                                 "minimal"):
                    raise RuleException(
                        "Shadow must either be 'minimal', 'shallow', 'full', "
                        "or True (equivalent to 'full')",
                        rule=rule,
                    )
                if ruleinfo.shadow_depth is True:
                    rule.shadow_depth = "full"
                    logger.warning(
                        "Shadow is set to True in rule {} (equivalent to 'full'). It's encouraged to use the more explicit options 'minimal|shallow|full' instead."
                        .format(rule))
                else:
                    rule.shadow_depth = ruleinfo.shadow_depth
            if ruleinfo.resources:
                args, resources = ruleinfo.resources
                if args:
                    raise RuleException("Resources have to be named.")
                if not all(
                        map(lambda r: isinstance(r, int) or callable(r),
                            resources.values())):
                    raise RuleException(
                        "Resources values have to be integers or callables",
                        rule=rule)
                rule.resources.update(resources)
            if ruleinfo.priority:
                if not isinstance(ruleinfo.priority, int) and not isinstance(
                        ruleinfo.priority, float):
                    raise RuleException("Priority values have to be numeric.",
                                        rule=rule)
                rule.priority = ruleinfo.priority
            if ruleinfo.version:
                rule.version = ruleinfo.version
            if ruleinfo.log:
                rule.set_log(*ruleinfo.log[0], **ruleinfo.log[1])
            if ruleinfo.message:
                rule.message = ruleinfo.message
            if ruleinfo.benchmark:
                rule.benchmark = ruleinfo.benchmark
            if not self.run_local and ruleinfo.group is not None:
                rule.group = ruleinfo.group
            if ruleinfo.wrapper:
                rule.conda_env = snakemake.wrapper.get_conda_env(
                    ruleinfo.wrapper, prefix=self.wrapper_prefix)
                # TODO retrieve suitable singularity image

            if ruleinfo.env_modules:
                # If using environment modules and they are defined for the rule,
                # ignore conda and singularity directive below.
                # The reason is that this is likely intended in order to use
                # a software stack specifically compiled for a particular
                # HPC cluster.
                invalid_rule = not (ruleinfo.script or ruleinfo.wrapper
                                    or ruleinfo.shellcmd or ruleinfo.notebook)
                if invalid_rule:
                    raise RuleException(
                        "envmodules directive is only allowed with "
                        "shell, script, notebook, or wrapper directives (not with run)",
                        rule=rule,
                    )
                from snakemake.deployment.env_modules import EnvModules

                rule.env_modules = EnvModules(*ruleinfo.env_modules)

            if ruleinfo.conda_env:
                if not (ruleinfo.script or ruleinfo.wrapper
                        or ruleinfo.shellcmd or ruleinfo.notebook):
                    raise RuleException(
                        "Conda environments are only allowed "
                        "with shell, script, notebook, or wrapper directives "
                        "(not with run).",
                        rule=rule,
                    )
                if not (urllib.parse.urlparse(ruleinfo.conda_env).scheme
                        or os.path.isabs(ruleinfo.conda_env)):
                    ruleinfo.conda_env = os.path.join(self.current_basedir,
                                                      ruleinfo.conda_env)
                rule.conda_env = ruleinfo.conda_env

            invalid_rule = not (ruleinfo.script or ruleinfo.wrapper
                                or ruleinfo.shellcmd or ruleinfo.notebook)
            if ruleinfo.container_img:
                if invalid_rule:
                    raise RuleException(
                        "Singularity directive is only allowed "
                        "with shell, script, notebook or wrapper directives "
                        "(not with run).",
                        rule=rule,
                    )
                rule.container_img = ruleinfo.container_img
            elif self.global_container_img:
                if not invalid_rule:
                    # skip rules with run directive
                    rule.container_img = self.global_container_img

            rule.norun = ruleinfo.norun
            rule.docstring = ruleinfo.docstring
            rule.run_func = ruleinfo.func
            rule.shellcmd = ruleinfo.shellcmd
            rule.script = ruleinfo.script
            rule.notebook = ruleinfo.notebook
            rule.wrapper = ruleinfo.wrapper
            rule.cwl = ruleinfo.cwl
            rule.restart_times = self.restart_times
            rule.basedir = self.current_basedir

            if ruleinfo.cache is True:
                if not self.enable_cache:
                    logger.warning(
                        "Workflow defines that rule {} is eligible for caching between workflows "
                        "(use the --cache argument to enable this).".format(
                            rule.name))
                else:
                    self.cache_rules.add(rule.name)
            elif not (ruleinfo.cache is False):
                raise WorkflowError(
                    "Invalid argument for 'cache:' directive. Only true allowed. "
                    "To deactivate caching, remove directive.",
                    rule=rule,
                )

            ruleinfo.func.__name__ = "__{}".format(rule.name)
            self.globals[ruleinfo.func.__name__] = ruleinfo.func
            setattr(rules, rule.name, RuleProxy(rule))
            if checkpoint:
                checkpoints.register(rule)
            return ruleinfo.func

        return decorate

    def docstring(self, string):
        def decorate(ruleinfo):
            ruleinfo.docstring = string
            return ruleinfo

        return decorate

    def input(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.input = (paths, kwpaths)
            return ruleinfo

        return decorate

    def output(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.output = (paths, kwpaths)
            return ruleinfo

        return decorate

    def params(self, *params, **kwparams):
        def decorate(ruleinfo):
            ruleinfo.params = (params, kwparams)
            return ruleinfo

        return decorate

    def wildcard_constraints(self, *wildcard_constraints,
                             **kwwildcard_constraints):
        def decorate(ruleinfo):
            ruleinfo.wildcard_constraints = (
                wildcard_constraints,
                kwwildcard_constraints,
            )
            return ruleinfo

        return decorate

    def cache_rule(self, cache):
        def decorate(ruleinfo):
            ruleinfo.cache = cache
            return ruleinfo

        return decorate

    def message(self, message):
        def decorate(ruleinfo):
            ruleinfo.message = message
            return ruleinfo

        return decorate

    def benchmark(self, benchmark):
        def decorate(ruleinfo):
            ruleinfo.benchmark = benchmark
            return ruleinfo

        return decorate

    def conda(self, conda_env):
        def decorate(ruleinfo):
            ruleinfo.conda_env = conda_env
            return ruleinfo

        return decorate

    def container(self, container_img):
        def decorate(ruleinfo):
            ruleinfo.container_img = container_img
            return ruleinfo

        return decorate

    def envmodules(self, *env_modules):
        def decorate(ruleinfo):
            ruleinfo.env_modules = env_modules
            return ruleinfo

        return decorate

    def global_container(self, container_img):
        self.global_container_img = container_img

    def threads(self, threads):
        def decorate(ruleinfo):
            ruleinfo.threads = threads
            return ruleinfo

        return decorate

    def shadow(self, shadow_depth):
        def decorate(ruleinfo):
            ruleinfo.shadow_depth = shadow_depth
            return ruleinfo

        return decorate

    def resources(self, *args, **resources):
        def decorate(ruleinfo):
            ruleinfo.resources = (args, resources)
            return ruleinfo

        return decorate

    def priority(self, priority):
        def decorate(ruleinfo):
            ruleinfo.priority = priority
            return ruleinfo

        return decorate

    def version(self, version):
        def decorate(ruleinfo):
            ruleinfo.version = version
            return ruleinfo

        return decorate

    def group(self, group):
        def decorate(ruleinfo):
            ruleinfo.group = group
            return ruleinfo

        return decorate

    def log(self, *logs, **kwlogs):
        def decorate(ruleinfo):
            ruleinfo.log = (logs, kwlogs)
            return ruleinfo

        return decorate

    def shellcmd(self, cmd):
        def decorate(ruleinfo):
            ruleinfo.shellcmd = cmd
            return ruleinfo

        return decorate

    def script(self, script):
        def decorate(ruleinfo):
            ruleinfo.script = script
            return ruleinfo

        return decorate

    def notebook(self, notebook):
        def decorate(ruleinfo):
            ruleinfo.notebook = notebook
            return ruleinfo

        return decorate

    def wrapper(self, wrapper):
        def decorate(ruleinfo):
            ruleinfo.wrapper = wrapper
            return ruleinfo

        return decorate

    def cwl(self, cwl):
        def decorate(ruleinfo):
            ruleinfo.cwl = cwl
            return ruleinfo

        return decorate

    def norun(self):
        def decorate(ruleinfo):
            ruleinfo.norun = True
            return ruleinfo

        return decorate

    def run(self, func):
        return RuleInfo(func)

    @staticmethod
    def _empty_decorator(f):
        return f
コード例 #7
0
ファイル: workflow.py プロジェクト: vodkatad/snakemake_docker
    def __init__(self,
                 snakefile=None,
                 jobscript=None,
                 overwrite_shellcmd=None,
                 overwrite_config=dict(),
                 overwrite_workdir=None,
                 overwrite_configfile=None,
                 overwrite_clusterconfig=dict(),
                 config_args=None,
                 debug=False,
                 use_conda=False,
                 conda_prefix=None,
                 use_singularity=False,
                 singularity_prefix=None,
                 singularity_args="",
                 use_docker=False,
                 docker_args="",
                 shadow_prefix=None,
                 mode=Mode.default,
                 wrapper_prefix=None,
                 printshellcmds=False,
                 restart_times=None,
                 attempt=1,
                 default_remote_provider=None,
                 default_remote_prefix="",
                 run_local=True,
                 default_resources=dict()):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfile = overwrite_configfile
        self.overwrite_clusterconfig = overwrite_clusterconfig
        self.config_args = config_args
        self.immediate_submit = None
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self._onstart = lambda log: None
        self._wildcard_constraints = dict()
        self.debug = debug
        self._rulecount = 0
        self.use_conda = use_conda
        self.conda_prefix = conda_prefix
        self.use_singularity = use_singularity
        self.singularity_prefix = singularity_prefix
        self.singularity_args = singularity_args
        self.use_docker = use_docker
        self.docker_args = docker_args
        self.shadow_prefix = shadow_prefix
        self.global_singularity_img = None
        self.mode = mode
        self.wrapper_prefix = wrapper_prefix
        self.printshellcmds = printshellcmds
        self.restart_times = restart_times
        self.attempt = attempt
        self.default_remote_provider = default_remote_provider
        self.default_remote_prefix = default_remote_prefix
        self.configfiles = []
        self.run_local = run_local
        self.report_text = None
        self.default_resources = dict(_cores=1, _nodes=1)
        self.default_resources.update(default_resources)

        self.iocache = snakemake.io.IOCache()

        global config
        config = copy.deepcopy(self.overwrite_config)

        global cluster_config
        cluster_config = copy.deepcopy(self.overwrite_clusterconfig)

        global rules
        rules = Rules()
        global checkpoints
        checkpoints = Checkpoints()
コード例 #8
0
ファイル: workflow.py プロジェクト: vangalamaheshh/snakemake
class Workflow:
    def __init__(self,
                 snakefile=None,
                 snakemakepath=None,
                 jobscript=None,
                 overwrite_shellcmd=None,
                 overwrite_config=dict(),
                 overwrite_workdir=None,
                 overwrite_configfile=None,
                 config_args=None,
                 debug=False):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.snakemakepath = snakemakepath
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfile = overwrite_configfile
        self.config_args = config_args
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self.debug = debug

        global config
        config = dict()
        config.update(self.overwrite_config)

        global rules
        rules = Rules()

    @property
    def subworkflows(self):
        return self._subworkflows.values()

    @property
    def rules(self):
        return self._rules.values()

    @property
    def concrete_files(self):
        return (
            file
            for rule in self.rules for file in chain(rule.input, rule.output)
            if not callable(file) and not file.contains_wildcard()
        )

    def check(self):
        for clause in self._ruleorder:
            for rulename in clause:
                if not self.is_rule(rulename):
                    raise UnknownRuleException(
                        rulename,
                        prefix="Error in ruleorder definition.")

    def add_rule(self, name=None, lineno=None, snakefile=None):
        """
        Add a rule.
        """
        if name is None:
            name = str(len(self._rules) + 1)
        if self.is_rule(name):
            raise CreateRuleException(
                "The name {} is already used by another rule".format(name))
        rule = Rule(name, self, lineno=lineno, snakefile=snakefile)
        self._rules[rule.name] = rule
        self.rule_count += 1
        if not self.first_rule:
            self.first_rule = rule.name
        return name

    def is_rule(self, name):
        """
        Return True if name is the name of a rule.

        Arguments
        name -- a name
        """
        return name in self._rules

    def get_rule(self, name):
        """
        Get rule by name.

        Arguments
        name -- the name of the rule
        """
        if not self._rules:
            raise NoRulesException()
        if not name in self._rules:
            raise UnknownRuleException(name)
        return self._rules[name]

    def list_rules(self, only_targets=False):
        rules = self.rules
        if only_targets:
            rules = filterfalse(Rule.has_wildcards, rules)
        for rule in rules:
            logger.rule_info(name=rule.name, docstring=rule.docstring)

    def list_resources(self):
        for resource in set(
            resource for rule in self.rules for resource in rule.resources):
            if resource not in "_cores _nodes".split():
                logger.info(resource)

    def is_local(self, rule):
        return rule.name in self._localrules or rule.norun

    def execute(self,
                targets=None,
                dryrun=False,
                touch=False,
                cores=1,
                nodes=1,
                local_cores=1,
                forcetargets=False,
                forceall=False,
                forcerun=None,
                prioritytargets=None,
                quiet=False,
                keepgoing=False,
                printshellcmds=False,
                printreason=False,
                printdag=False,
                cluster=None,
                cluster_config=None,
                cluster_sync=None,
                jobname=None,
                immediate_submit=False,
                ignore_ambiguity=False,
                printrulegraph=False,
                printd3dag=False,
                drmaa=None,
                stats=None,
                force_incomplete=False,
                ignore_incomplete=False,
                list_version_changes=False,
                list_code_changes=False,
                list_input_changes=False,
                list_params_changes=False,
                summary=False,
                detailed_summary=False,
                latency_wait=3,
                benchmark_repeats=3,
                wait_for_files=None,
                nolock=False,
                unlock=False,
                resources=None,
                notemp=False,
                nodeps=False,
                cleanup_metadata=None,
                subsnakemake=None,
                updated_files=None,
                keep_target_files=False,
                allowed_rules=None,
                greediness=1.0,
                no_hooks=False):

        self.global_resources = dict() if resources is None else resources
        self.global_resources["_cores"] = cores
        self.global_resources["_nodes"] = nodes

        def rules(items):
            return map(self._rules.__getitem__, filter(self.is_rule, items))

        if keep_target_files:

            def files(items):
                return filterfalse(self.is_rule, items)
        else:

            def files(items):
                return map(os.path.relpath, filterfalse(self.is_rule, items))

        if not targets:
            targets = [self.first_rule
                       ] if self.first_rule is not None else list()
        if prioritytargets is None:
            prioritytargets = list()
        if forcerun is None:
            forcerun = list()

        priorityrules = set(rules(prioritytargets))
        priorityfiles = set(files(prioritytargets))
        forcerules = set(rules(forcerun))
        forcefiles = set(files(forcerun))
        targetrules = set(chain(rules(targets),
                                filterfalse(Rule.has_wildcards, priorityrules),
                                filterfalse(Rule.has_wildcards, forcerules)))
        targetfiles = set(chain(files(targets), priorityfiles, forcefiles))
        if forcetargets:
            forcefiles.update(targetfiles)
            forcerules.update(targetrules)

        rules = self.rules
        if allowed_rules:
            rules = [rule for rule in rules if rule.name in set(allowed_rules)]

        if wait_for_files is not None:
            try:
                snakemake.io.wait_for_files(wait_for_files,
                                            latency_wait=latency_wait)
            except IOError as e:
                logger.error(str(e))
                return False

        dag = DAG(
            self, rules,
            dryrun=dryrun,
            targetfiles=targetfiles,
            targetrules=targetrules,
            forceall=forceall,
            forcefiles=forcefiles,
            forcerules=forcerules,
            priorityfiles=priorityfiles,
            priorityrules=priorityrules,
            ignore_ambiguity=ignore_ambiguity,
            force_incomplete=force_incomplete,
            ignore_incomplete=ignore_incomplete or printdag or printrulegraph,
            notemp=notemp)

        self.persistence = Persistence(
            nolock=nolock,
            dag=dag,
            warn_only=dryrun or printrulegraph or printdag or summary or
            list_version_changes or list_code_changes or list_input_changes or
            list_params_changes)

        if cleanup_metadata:
            for f in cleanup_metadata:
                self.persistence.cleanup_metadata(f)
            return True

        dag.init()
        dag.check_dynamic()

        if unlock:
            try:
                self.persistence.cleanup_locks()
                logger.info("Unlocking working directory.")
                return True
            except IOError:
                logger.error("Error: Unlocking the directory {} failed. Maybe "
                             "you don't have the permissions?")
                return False
        try:
            self.persistence.lock()
        except IOError:
            logger.error(
                "Error: Directory cannot be locked. Please make "
                "sure that no other Snakemake process is trying to create "
                "the same files in the following directory:\n{}\n"
                "If you are sure that no other "
                "instances of snakemake are running on this directory, "
                "the remaining lock was likely caused by a kill signal or "
                "a power loss. It can be removed with "
                "the --unlock argument.".format(os.getcwd()))
            return False

        if self.subworkflows and not printdag and not printrulegraph:
            # backup globals
            globals_backup = dict(self.globals)
            # execute subworkflows
            for subworkflow in self.subworkflows:
                subworkflow_targets = subworkflow.targets(dag)
                updated = list()
                if subworkflow_targets:
                    logger.info(
                        "Executing subworkflow {}.".format(subworkflow.name))
                    if not subsnakemake(subworkflow.snakefile,
                                        workdir=subworkflow.workdir,
                                        targets=subworkflow_targets,
                                        updated_files=updated):
                        return False
                    dag.updated_subworkflow_files.update(subworkflow.target(f)
                                                         for f in updated)
                else:
                    logger.info("Subworkflow {}: Nothing to be done.".format(
                        subworkflow.name))
            if self.subworkflows:
                logger.info("Executing main workflow.")
            # rescue globals
            self.globals.update(globals_backup)

        dag.check_incomplete()
        dag.postprocess()

        if nodeps:
            missing_input = [f for job in dag.targetjobs for f in job.input
                             if dag.needrun(job) and not os.path.exists(f)]
            if missing_input:
                logger.error(
                    "Dependency resolution disabled (--nodeps) "
                    "but missing input "
                    "files detected. If this happens on a cluster, please make sure "
                    "that you handle the dependencies yourself or turn of "
                    "--immediate-submit. Missing input files:\n{}".format(
                        "\n".join(missing_input)))
                return False

        updated_files.extend(f for job in dag.needrun_jobs for f in job.output)

        if printd3dag:
            dag.d3dag()
            return True
        elif printdag:
            print(dag)
            return True
        elif printrulegraph:
            print(dag.rule_dot())
            return True
        elif summary:
            print("\n".join(dag.summary(detailed=False)))
            return True
        elif detailed_summary:
            print("\n".join(dag.summary(detailed=True)))
            return True
        elif list_version_changes:
            items = list(
                chain(*map(self.persistence.version_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_code_changes:
            items = list(chain(*map(self.persistence.code_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_input_changes:
            items = list(chain(*map(self.persistence.input_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_params_changes:
            items = list(
                chain(*map(self.persistence.params_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True

        scheduler = JobScheduler(self, dag, cores,
                                 local_cores=local_cores,
                                 dryrun=dryrun,
                                 touch=touch,
                                 cluster=cluster,
                                 cluster_config=cluster_config,
                                 cluster_sync=cluster_sync,
                                 jobname=jobname,
                                 immediate_submit=immediate_submit,
                                 quiet=quiet,
                                 keepgoing=keepgoing,
                                 drmaa=drmaa,
                                 printreason=printreason,
                                 printshellcmds=printshellcmds,
                                 latency_wait=latency_wait,
                                 benchmark_repeats=benchmark_repeats,
                                 greediness=greediness)

        if not dryrun and not quiet:
            if len(dag):
                if cluster or cluster_sync or drmaa:
                    logger.resources_info(
                        "Provided cluster nodes: {}".format(nodes))
                else:
                    logger.resources_info("Provided cores: {}".format(cores))
                    logger.resources_info("Rules claiming more threads will be scaled down.")
                provided_resources = format_resources(resources)
                if provided_resources:
                    logger.resources_info(
                        "Provided resources: " + provided_resources)
                ignored_resources = format_resource_names(
                    set(resource for job in dag.needrun_jobs for resource in
                        job.resources_dict if resource not in resources))
                if ignored_resources:
                    logger.resources_info(
                        "Ignored resources: " + ignored_resources)
                logger.run_info("\n".join(dag.stats()))
            else:
                logger.info("Nothing to be done.")
        if dryrun and not len(dag):
            logger.info("Nothing to be done.")

        success = scheduler.schedule()

        if success:
            if dryrun:
                if not quiet and len(dag):
                    logger.run_info("\n".join(dag.stats()))
            elif stats:
                scheduler.stats.to_json(stats)
            if not dryrun and not no_hooks:
                self._onsuccess(logger.get_logfile())
            return True
        else:
            if not dryrun and not no_hooks:
                self._onerror(logger.get_logfile())
            return False

    def include(self, snakefile,
                overwrite_first_rule=False,
                print_compilation=False,
                overwrite_shellcmd=None):
        """
        Include a snakefile.
        """
        # check if snakefile is a path to the filesystem
        if not urllib.parse.urlparse(snakefile).scheme:
            if not os.path.isabs(snakefile) and self.included_stack:
                current_path = os.path.dirname(self.included_stack[-1])
                snakefile = os.path.join(current_path, snakefile)
            # Could still be an url if relative import was used
            if not urllib.parse.urlparse(snakefile).scheme:
                snakefile = os.path.abspath(snakefile)
        # else it could be an url.
        # at least we don't want to modify the path for clarity.

        if snakefile in self.included:
            logger.info("Multiple include of {} ignored".format(snakefile))
            return
        self.included.append(snakefile)
        self.included_stack.append(snakefile)

        global workflow

        workflow = self

        first_rule = self.first_rule
        code, linemap = parse(snakefile,
                              overwrite_shellcmd=self.overwrite_shellcmd)

        if print_compilation:
            print(code)

        # insert the current directory into sys.path
        # this allows to import modules from the workflow directory
        sys.path.insert(0, os.path.dirname(snakefile))

        self.linemaps[snakefile] = linemap
        exec(compile(code, snakefile, "exec"), self.globals)
        if not overwrite_first_rule:
            self.first_rule = first_rule
        self.included_stack.pop()

    def onsuccess(self, func):
        self._onsuccess = func

    def onerror(self, func):
        self._onerror = func

    def workdir(self, workdir):
        if self.overwrite_workdir is None:
            if not os.path.exists(workdir):
                os.makedirs(workdir)
            self._workdir = workdir
            os.chdir(workdir)

    def configfile(self, jsonpath):
        """ Update the global config with the given dictionary. """
        global config
        c = snakemake.io.load_configfile(jsonpath)
        update_config(config, c)
        update_config(config, self.overwrite_config)

    def ruleorder(self, *rulenames):
        self._ruleorder.add(*rulenames)

    def subworkflow(self, name, snakefile=None, workdir=None):
        sw = Subworkflow(self, name, snakefile, workdir)
        self._subworkflows[name] = sw
        self.globals[name] = sw.target

    def localrules(self, *rulenames):
        self._localrules.update(rulenames)

    def rule(self, name=None, lineno=None, snakefile=None):
        name = self.add_rule(name, lineno, snakefile)
        rule = self.get_rule(name)

        def decorate(ruleinfo):
            if ruleinfo.input:
                rule.set_input(*ruleinfo.input[0], **ruleinfo.input[1])
            if ruleinfo.output:
                rule.set_output(*ruleinfo.output[0], **ruleinfo.output[1])
            if ruleinfo.params:
                rule.set_params(*ruleinfo.params[0], **ruleinfo.params[1])
            if ruleinfo.threads:
                if not isinstance(ruleinfo.threads, int):
                    raise RuleException("Threads value has to be an integer.",
                                        rule=rule)
                rule.resources["_cores"] = ruleinfo.threads
            if ruleinfo.resources:
                args, resources = ruleinfo.resources
                if args:
                    raise RuleException("Resources have to be named.")
                if not all(map(lambda r: isinstance(r, int),
                               resources.values())):
                    raise RuleException(
                        "Resources values have to be integers.",
                        rule=rule)
                rule.resources.update(resources)
            if ruleinfo.priority:
                if (not isinstance(ruleinfo.priority, int) and
                    not isinstance(ruleinfo.priority, float)):
                    raise RuleException("Priority values have to be numeric.",
                                        rule=rule)
                rule.priority = ruleinfo.priority
            if ruleinfo.version:
                rule.version = ruleinfo.version
            if ruleinfo.log:
                rule.set_log(*ruleinfo.log[0], **ruleinfo.log[1])
            if ruleinfo.message:
                rule.message = ruleinfo.message
            if ruleinfo.benchmark:
                rule.benchmark = ruleinfo.benchmark
            rule.norun = ruleinfo.norun
            rule.docstring = ruleinfo.docstring
            rule.run_func = ruleinfo.func
            rule.shellcmd = ruleinfo.shellcmd
            ruleinfo.func.__name__ = "__{}".format(name)
            self.globals[ruleinfo.func.__name__] = ruleinfo.func
            setattr(rules, name, rule)
            return ruleinfo.func

        return decorate

    def docstring(self, string):
        def decorate(ruleinfo):
            ruleinfo.docstring = string
            return ruleinfo

        return decorate

    def input(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.input = (paths, kwpaths)
            return ruleinfo

        return decorate

    def output(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.output = (paths, kwpaths)
            return ruleinfo

        return decorate

    def params(self, *params, **kwparams):
        def decorate(ruleinfo):
            ruleinfo.params = (params, kwparams)
            return ruleinfo

        return decorate

    def message(self, message):
        def decorate(ruleinfo):
            ruleinfo.message = message
            return ruleinfo

        return decorate

    def benchmark(self, benchmark):
        def decorate(ruleinfo):
            ruleinfo.benchmark = benchmark
            return ruleinfo

        return decorate

    def threads(self, threads):
        def decorate(ruleinfo):
            ruleinfo.threads = threads
            return ruleinfo

        return decorate

    def resources(self, *args, **resources):
        def decorate(ruleinfo):
            ruleinfo.resources = (args, resources)
            return ruleinfo

        return decorate

    def priority(self, priority):
        def decorate(ruleinfo):
            ruleinfo.priority = priority
            return ruleinfo

        return decorate

    def version(self, version):
        def decorate(ruleinfo):
            ruleinfo.version = version
            return ruleinfo

        return decorate

    def log(self, *logs, **kwlogs):
        def decorate(ruleinfo):
            ruleinfo.log = (logs, kwlogs)
            return ruleinfo

        return decorate

    def shellcmd(self, cmd):
        def decorate(ruleinfo):
            ruleinfo.shellcmd = cmd
            return ruleinfo

        return decorate

    def norun(self):
        def decorate(ruleinfo):
            ruleinfo.norun = True
            return ruleinfo

        return decorate

    def run(self, func):
        return RuleInfo(func)

    @staticmethod
    def _empty_decorator(f):
        return f
コード例 #9
0
ファイル: workflow.py プロジェクト: vangalamaheshh/snakemake
class Workflow:
    def __init__(self,
                 snakefile=None,
                 snakemakepath=None,
                 jobscript=None,
                 overwrite_shellcmd=None,
                 overwrite_config=dict(),
                 overwrite_workdir=None,
                 overwrite_configfile=None,
                 config_args=None,
                 debug=False):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self.overwrite_workdir = overwrite_workdir
        self.workdir_init = os.path.abspath(os.curdir)
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.snakemakepath = snakemakepath
        self.included = []
        self.included_stack = []
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()
        self.overwrite_shellcmd = overwrite_shellcmd
        self.overwrite_config = overwrite_config
        self.overwrite_configfile = overwrite_configfile
        self.config_args = config_args
        self._onsuccess = lambda log: None
        self._onerror = lambda log: None
        self.debug = debug

        global config
        config = dict()
        config.update(self.overwrite_config)

        global rules
        rules = Rules()

    @property
    def subworkflows(self):
        return self._subworkflows.values()

    @property
    def rules(self):
        return self._rules.values()

    @property
    def concrete_files(self):
        return (file for rule in self.rules
                for file in chain(rule.input, rule.output)
                if not callable(file) and not file.contains_wildcard())

    def check(self):
        for clause in self._ruleorder:
            for rulename in clause:
                if not self.is_rule(rulename):
                    raise UnknownRuleException(
                        rulename, prefix="Error in ruleorder definition.")

    def add_rule(self, name=None, lineno=None, snakefile=None):
        """
        Add a rule.
        """
        if name is None:
            name = str(len(self._rules) + 1)
        if self.is_rule(name):
            raise CreateRuleException(
                "The name {} is already used by another rule".format(name))
        rule = Rule(name, self, lineno=lineno, snakefile=snakefile)
        self._rules[rule.name] = rule
        self.rule_count += 1
        if not self.first_rule:
            self.first_rule = rule.name
        return name

    def is_rule(self, name):
        """
        Return True if name is the name of a rule.

        Arguments
        name -- a name
        """
        return name in self._rules

    def get_rule(self, name):
        """
        Get rule by name.

        Arguments
        name -- the name of the rule
        """
        if not self._rules:
            raise NoRulesException()
        if not name in self._rules:
            raise UnknownRuleException(name)
        return self._rules[name]

    def list_rules(self, only_targets=False):
        rules = self.rules
        if only_targets:
            rules = filterfalse(Rule.has_wildcards, rules)
        for rule in rules:
            logger.rule_info(name=rule.name, docstring=rule.docstring)

    def list_resources(self):
        for resource in set(resource for rule in self.rules
                            for resource in rule.resources):
            if resource not in "_cores _nodes".split():
                logger.info(resource)

    def is_local(self, rule):
        return rule.name in self._localrules or rule.norun

    def execute(self,
                targets=None,
                dryrun=False,
                touch=False,
                cores=1,
                nodes=1,
                local_cores=1,
                forcetargets=False,
                forceall=False,
                forcerun=None,
                prioritytargets=None,
                quiet=False,
                keepgoing=False,
                printshellcmds=False,
                printreason=False,
                printdag=False,
                cluster=None,
                cluster_config=None,
                cluster_sync=None,
                jobname=None,
                immediate_submit=False,
                ignore_ambiguity=False,
                printrulegraph=False,
                printd3dag=False,
                drmaa=None,
                stats=None,
                force_incomplete=False,
                ignore_incomplete=False,
                list_version_changes=False,
                list_code_changes=False,
                list_input_changes=False,
                list_params_changes=False,
                summary=False,
                detailed_summary=False,
                latency_wait=3,
                benchmark_repeats=3,
                wait_for_files=None,
                nolock=False,
                unlock=False,
                resources=None,
                notemp=False,
                nodeps=False,
                cleanup_metadata=None,
                subsnakemake=None,
                updated_files=None,
                keep_target_files=False,
                allowed_rules=None,
                greediness=1.0,
                no_hooks=False):

        self.global_resources = dict() if resources is None else resources
        self.global_resources["_cores"] = cores
        self.global_resources["_nodes"] = nodes

        def rules(items):
            return map(self._rules.__getitem__, filter(self.is_rule, items))

        if keep_target_files:

            def files(items):
                return filterfalse(self.is_rule, items)
        else:

            def files(items):
                return map(os.path.relpath, filterfalse(self.is_rule, items))

        if not targets:
            targets = [self.first_rule
                       ] if self.first_rule is not None else list()
        if prioritytargets is None:
            prioritytargets = list()
        if forcerun is None:
            forcerun = list()

        priorityrules = set(rules(prioritytargets))
        priorityfiles = set(files(prioritytargets))
        forcerules = set(rules(forcerun))
        forcefiles = set(files(forcerun))
        targetrules = set(
            chain(rules(targets), filterfalse(Rule.has_wildcards,
                                              priorityrules),
                  filterfalse(Rule.has_wildcards, forcerules)))
        targetfiles = set(chain(files(targets), priorityfiles, forcefiles))
        if forcetargets:
            forcefiles.update(targetfiles)
            forcerules.update(targetrules)

        rules = self.rules
        if allowed_rules:
            rules = [rule for rule in rules if rule.name in set(allowed_rules)]

        if wait_for_files is not None:
            try:
                snakemake.io.wait_for_files(wait_for_files,
                                            latency_wait=latency_wait)
            except IOError as e:
                logger.error(str(e))
                return False

        dag = DAG(self,
                  rules,
                  dryrun=dryrun,
                  targetfiles=targetfiles,
                  targetrules=targetrules,
                  forceall=forceall,
                  forcefiles=forcefiles,
                  forcerules=forcerules,
                  priorityfiles=priorityfiles,
                  priorityrules=priorityrules,
                  ignore_ambiguity=ignore_ambiguity,
                  force_incomplete=force_incomplete,
                  ignore_incomplete=ignore_incomplete or printdag
                  or printrulegraph,
                  notemp=notemp)

        self.persistence = Persistence(nolock=nolock,
                                       dag=dag,
                                       warn_only=dryrun or printrulegraph
                                       or printdag or summary
                                       or list_version_changes
                                       or list_code_changes
                                       or list_input_changes
                                       or list_params_changes)

        if cleanup_metadata:
            for f in cleanup_metadata:
                self.persistence.cleanup_metadata(f)
            return True

        dag.init()
        dag.check_dynamic()

        if unlock:
            try:
                self.persistence.cleanup_locks()
                logger.info("Unlocking working directory.")
                return True
            except IOError:
                logger.error("Error: Unlocking the directory {} failed. Maybe "
                             "you don't have the permissions?")
                return False
        try:
            self.persistence.lock()
        except IOError:
            logger.error(
                "Error: Directory cannot be locked. Please make "
                "sure that no other Snakemake process is trying to create "
                "the same files in the following directory:\n{}\n"
                "If you are sure that no other "
                "instances of snakemake are running on this directory, "
                "the remaining lock was likely caused by a kill signal or "
                "a power loss. It can be removed with "
                "the --unlock argument.".format(os.getcwd()))
            return False

        if self.subworkflows and not printdag and not printrulegraph:
            # backup globals
            globals_backup = dict(self.globals)
            # execute subworkflows
            for subworkflow in self.subworkflows:
                subworkflow_targets = subworkflow.targets(dag)
                updated = list()
                if subworkflow_targets:
                    logger.info("Executing subworkflow {}.".format(
                        subworkflow.name))
                    if not subsnakemake(subworkflow.snakefile,
                                        workdir=subworkflow.workdir,
                                        targets=subworkflow_targets,
                                        updated_files=updated):
                        return False
                    dag.updated_subworkflow_files.update(
                        subworkflow.target(f) for f in updated)
                else:
                    logger.info("Subworkflow {}: Nothing to be done.".format(
                        subworkflow.name))
            if self.subworkflows:
                logger.info("Executing main workflow.")
            # rescue globals
            self.globals.update(globals_backup)

        dag.check_incomplete()
        dag.postprocess()

        if nodeps:
            missing_input = [
                f for job in dag.targetjobs for f in job.input
                if dag.needrun(job) and not os.path.exists(f)
            ]
            if missing_input:
                logger.error(
                    "Dependency resolution disabled (--nodeps) "
                    "but missing input "
                    "files detected. If this happens on a cluster, please make sure "
                    "that you handle the dependencies yourself or turn of "
                    "--immediate-submit. Missing input files:\n{}".format(
                        "\n".join(missing_input)))
                return False

        updated_files.extend(f for job in dag.needrun_jobs for f in job.output)

        if printd3dag:
            dag.d3dag()
            return True
        elif printdag:
            print(dag)
            return True
        elif printrulegraph:
            print(dag.rule_dot())
            return True
        elif summary:
            print("\n".join(dag.summary(detailed=False)))
            return True
        elif detailed_summary:
            print("\n".join(dag.summary(detailed=True)))
            return True
        elif list_version_changes:
            items = list(
                chain(*map(self.persistence.version_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_code_changes:
            items = list(chain(*map(self.persistence.code_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_input_changes:
            items = list(chain(*map(self.persistence.input_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_params_changes:
            items = list(
                chain(*map(self.persistence.params_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True

        scheduler = JobScheduler(self,
                                 dag,
                                 cores,
                                 local_cores=local_cores,
                                 dryrun=dryrun,
                                 touch=touch,
                                 cluster=cluster,
                                 cluster_config=cluster_config,
                                 cluster_sync=cluster_sync,
                                 jobname=jobname,
                                 immediate_submit=immediate_submit,
                                 quiet=quiet,
                                 keepgoing=keepgoing,
                                 drmaa=drmaa,
                                 printreason=printreason,
                                 printshellcmds=printshellcmds,
                                 latency_wait=latency_wait,
                                 benchmark_repeats=benchmark_repeats,
                                 greediness=greediness)

        if not dryrun and not quiet:
            if len(dag):
                if cluster or cluster_sync or drmaa:
                    logger.resources_info(
                        "Provided cluster nodes: {}".format(nodes))
                else:
                    logger.resources_info("Provided cores: {}".format(cores))
                    logger.resources_info(
                        "Rules claiming more threads will be scaled down.")
                provided_resources = format_resources(resources)
                if provided_resources:
                    logger.resources_info("Provided resources: " +
                                          provided_resources)
                ignored_resources = format_resource_names(
                    set(resource for job in dag.needrun_jobs
                        for resource in job.resources_dict
                        if resource not in resources))
                if ignored_resources:
                    logger.resources_info("Ignored resources: " +
                                          ignored_resources)
                logger.run_info("\n".join(dag.stats()))
            else:
                logger.info("Nothing to be done.")
        if dryrun and not len(dag):
            logger.info("Nothing to be done.")

        success = scheduler.schedule()

        if success:
            if dryrun:
                if not quiet and len(dag):
                    logger.run_info("\n".join(dag.stats()))
            elif stats:
                scheduler.stats.to_json(stats)
            if not dryrun and not no_hooks:
                self._onsuccess(logger.get_logfile())
            return True
        else:
            if not dryrun and not no_hooks:
                self._onerror(logger.get_logfile())
            return False

    def include(self,
                snakefile,
                overwrite_first_rule=False,
                print_compilation=False,
                overwrite_shellcmd=None):
        """
        Include a snakefile.
        """
        # check if snakefile is a path to the filesystem
        if not urllib.parse.urlparse(snakefile).scheme:
            if not os.path.isabs(snakefile) and self.included_stack:
                current_path = os.path.dirname(self.included_stack[-1])
                snakefile = os.path.join(current_path, snakefile)
            # Could still be an url if relative import was used
            if not urllib.parse.urlparse(snakefile).scheme:
                snakefile = os.path.abspath(snakefile)
        # else it could be an url.
        # at least we don't want to modify the path for clarity.

        if snakefile in self.included:
            logger.info("Multiple include of {} ignored".format(snakefile))
            return
        self.included.append(snakefile)
        self.included_stack.append(snakefile)

        global workflow

        workflow = self

        first_rule = self.first_rule
        code, linemap = parse(snakefile,
                              overwrite_shellcmd=self.overwrite_shellcmd)

        if print_compilation:
            print(code)

        # insert the current directory into sys.path
        # this allows to import modules from the workflow directory
        sys.path.insert(0, os.path.dirname(snakefile))

        self.linemaps[snakefile] = linemap
        exec(compile(code, snakefile, "exec"), self.globals)
        if not overwrite_first_rule:
            self.first_rule = first_rule
        self.included_stack.pop()

    def onsuccess(self, func):
        self._onsuccess = func

    def onerror(self, func):
        self._onerror = func

    def workdir(self, workdir):
        if self.overwrite_workdir is None:
            if not os.path.exists(workdir):
                os.makedirs(workdir)
            self._workdir = workdir
            os.chdir(workdir)

    def configfile(self, jsonpath):
        """ Update the global config with the given dictionary. """
        global config
        c = snakemake.io.load_configfile(jsonpath)
        update_config(config, c)
        update_config(config, self.overwrite_config)

    def ruleorder(self, *rulenames):
        self._ruleorder.add(*rulenames)

    def subworkflow(self, name, snakefile=None, workdir=None):
        sw = Subworkflow(self, name, snakefile, workdir)
        self._subworkflows[name] = sw
        self.globals[name] = sw.target

    def localrules(self, *rulenames):
        self._localrules.update(rulenames)

    def rule(self, name=None, lineno=None, snakefile=None):
        name = self.add_rule(name, lineno, snakefile)
        rule = self.get_rule(name)

        def decorate(ruleinfo):
            if ruleinfo.input:
                rule.set_input(*ruleinfo.input[0], **ruleinfo.input[1])
            if ruleinfo.output:
                rule.set_output(*ruleinfo.output[0], **ruleinfo.output[1])
            if ruleinfo.params:
                rule.set_params(*ruleinfo.params[0], **ruleinfo.params[1])
            if ruleinfo.threads:
                if not isinstance(ruleinfo.threads, int):
                    raise RuleException("Threads value has to be an integer.",
                                        rule=rule)
                rule.resources["_cores"] = ruleinfo.threads
            if ruleinfo.resources:
                args, resources = ruleinfo.resources
                if args:
                    raise RuleException("Resources have to be named.")
                if not all(
                        map(lambda r: isinstance(r, int), resources.values())):
                    raise RuleException(
                        "Resources values have to be integers.", rule=rule)
                rule.resources.update(resources)
            if ruleinfo.priority:
                if (not isinstance(ruleinfo.priority, int)
                        and not isinstance(ruleinfo.priority, float)):
                    raise RuleException("Priority values have to be numeric.",
                                        rule=rule)
                rule.priority = ruleinfo.priority
            if ruleinfo.version:
                rule.version = ruleinfo.version
            if ruleinfo.log:
                rule.set_log(*ruleinfo.log[0], **ruleinfo.log[1])
            if ruleinfo.message:
                rule.message = ruleinfo.message
            if ruleinfo.benchmark:
                rule.benchmark = ruleinfo.benchmark
            rule.norun = ruleinfo.norun
            rule.docstring = ruleinfo.docstring
            rule.run_func = ruleinfo.func
            rule.shellcmd = ruleinfo.shellcmd
            ruleinfo.func.__name__ = "__{}".format(name)
            self.globals[ruleinfo.func.__name__] = ruleinfo.func
            setattr(rules, name, rule)
            return ruleinfo.func

        return decorate

    def docstring(self, string):
        def decorate(ruleinfo):
            ruleinfo.docstring = string
            return ruleinfo

        return decorate

    def input(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.input = (paths, kwpaths)
            return ruleinfo

        return decorate

    def output(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.output = (paths, kwpaths)
            return ruleinfo

        return decorate

    def params(self, *params, **kwparams):
        def decorate(ruleinfo):
            ruleinfo.params = (params, kwparams)
            return ruleinfo

        return decorate

    def message(self, message):
        def decorate(ruleinfo):
            ruleinfo.message = message
            return ruleinfo

        return decorate

    def benchmark(self, benchmark):
        def decorate(ruleinfo):
            ruleinfo.benchmark = benchmark
            return ruleinfo

        return decorate

    def threads(self, threads):
        def decorate(ruleinfo):
            ruleinfo.threads = threads
            return ruleinfo

        return decorate

    def resources(self, *args, **resources):
        def decorate(ruleinfo):
            ruleinfo.resources = (args, resources)
            return ruleinfo

        return decorate

    def priority(self, priority):
        def decorate(ruleinfo):
            ruleinfo.priority = priority
            return ruleinfo

        return decorate

    def version(self, version):
        def decorate(ruleinfo):
            ruleinfo.version = version
            return ruleinfo

        return decorate

    def log(self, *logs, **kwlogs):
        def decorate(ruleinfo):
            ruleinfo.log = (logs, kwlogs)
            return ruleinfo

        return decorate

    def shellcmd(self, cmd):
        def decorate(ruleinfo):
            ruleinfo.shellcmd = cmd
            return ruleinfo

        return decorate

    def norun(self):
        def decorate(ruleinfo):
            ruleinfo.norun = True
            return ruleinfo

        return decorate

    def run(self, func):
        return RuleInfo(func)

    @staticmethod
    def _empty_decorator(f):
        return f
コード例 #10
0
ファイル: workflow.py プロジェクト: ginger0106/snakemake
class Workflow:
    def __init__(self, snakefile=None, snakemakepath=None, jobscript=None):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.snakemakepath = os.path.abspath(snakemakepath)
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()

    @property
    def subworkflows(self):
        return self._subworkflows.values()

    @property
    def rules(self):
        return self._rules.values()

    @property
    def concrete_files(self):
        return (file for rule in self.rules
                for file in chain(rule.input, rule.output)
                if not callable(file) and not file.contains_wildcard())

    def check(self):
        for clause in self._ruleorder:
            for rulename in clause:
                if not self.is_rule(rulename):
                    raise UnknownRuleException(
                        rulename, prefix="Error in ruleorder definition.")

    def add_rule(self, name=None, lineno=None, snakefile=None):
        """
        Add a rule.
        """
        if name is None:
            name = str(len(self._rules) + 1)
        if self.is_rule(name):
            raise CreateRuleException(
                "The name {} is already used by another rule".format(name))
        rule = Rule(name, self, lineno=lineno, snakefile=snakefile)
        self._rules[rule.name] = rule
        self.rule_count += 1
        if not self.first_rule:
            self.first_rule = rule.name
        return name

    def is_rule(self, name):
        """
        Return True if name is the name of a rule.

        Arguments
        name -- a name
        """
        return name in self._rules

    def get_rule(self, name):
        """
        Get rule by name.

        Arguments
        name -- the name of the rule
        """
        if not self._rules:
            raise NoRulesException()
        if not name in self._rules:
            raise UnknownRuleException(name)
        return self._rules[name]

    def list_rules(self, details=True, log=logger.info):
        log("Available rules:")
        for rule in self.rules:
            log(rule.name)
            if details:
                if rule.docstring:
                    for line in rule.docstring.split("\n"):
                        log("\t" + line)

    def is_local(self, rule):
        return rule.name in self._localrules

    def execute(self,
                targets=None,
                dryrun=False,
                touch=False,
                cores=1,
                forcetargets=False,
                forceall=False,
                forcerun=None,
                prioritytargets=None,
                quiet=False,
                keepgoing=False,
                printshellcmds=False,
                printreason=False,
                printdag=False,
                cluster=None,
                immediate_submit=False,
                ignore_ambiguity=False,
                workdir=None,
                printrulegraph=False,
                stats=None,
                force_incomplete=False,
                ignore_incomplete=False,
                list_version_changes=False,
                list_code_changes=False,
                list_input_changes=False,
                list_params_changes=False,
                summary=False,
                output_wait=3,
                nolock=False,
                unlock=False,
                resources=None,
                notemp=False,
                nodeps=False,
                cleanup_metadata=None):

        self.global_resources = dict(
        ) if cluster or resources is None else resources
        self.global_resources["_cores"] = cores

        def rules(items):
            return map(self._rules.__getitem__, filter(self.is_rule, items))

        def files(items):
            return map(os.path.relpath, filterfalse(self.is_rule, items))

        if workdir is None:
            workdir = os.getcwd() if self._workdir is None else self._workdir
        os.chdir(workdir)

        if not targets:
            targets = [self.first_rule
                       ] if self.first_rule is not None else list()
        if prioritytargets is None:
            prioritytargets = list()
        if forcerun is None:
            forcerun = list()

        priorityrules = set(rules(prioritytargets))
        priorityfiles = set(files(prioritytargets))
        forcerules = set(rules(forcerun))
        forcefiles = set(files(forcerun))
        targetrules = set(
            chain(rules(targets), filterfalse(Rule.has_wildcards,
                                              priorityrules),
                  filterfalse(Rule.has_wildcards, forcerules)))
        targetfiles = set(chain(files(targets), priorityfiles, forcefiles))
        if forcetargets:
            forcefiles.update(targetfiles)
            forcerules.update(targetrules)

        dag = DAG(self,
                  dryrun=dryrun,
                  targetfiles=targetfiles,
                  targetrules=targetrules,
                  forceall=forceall,
                  forcefiles=forcefiles,
                  forcerules=forcerules,
                  priorityfiles=priorityfiles,
                  priorityrules=priorityrules,
                  ignore_ambiguity=ignore_ambiguity,
                  force_incomplete=force_incomplete,
                  ignore_incomplete=ignore_incomplete,
                  notemp=notemp)

        self.persistence = Persistence(nolock=nolock, dag=dag)

        if cleanup_metadata:
            for f in cleanup_metadata:
                self.persistence.cleanup_metadata(f)
            return True

        dag.init()
        dag.check_dynamic()

        if unlock:
            try:
                self.persistence.cleanup_locks()
                logger.warning("Unlocking working directory.")
                return True
            except IOError:
                logger.error("Error: Unlocking the directory {} failed. Maybe "
                             "you don't have the permissions?")
                return False
        try:
            self.persistence.lock()
        except IOError:
            logger.critical(
                "Error: Directory cannot be locked. Please make "
                "sure that no other Snakemake process is trying to create "
                "the same files in the following directory:\n{}\n"
                "If you are sure that no other "
                "instances of snakemake are running on this directory, "
                "the remaining lock was likely caused by a kill signal or "
                "a power loss. It can be removed with "
                "the --unlock argument.".format(os.getcwd()))
            return False

        dag.check_incomplete()
        dag.postprocess()

        if nodeps:
            missing_input = [
                f for job in dag.targetjobs for f in job.input
                if dag.needrun(job) and not os.path.exists(f)
            ]
            logger.critical(
                "Dependency resolution disabled (--nodeps) "
                "but missing input "
                "files detected. If this happens on a cluster, please make sure "
                "that you handle the dependencies yourself or turn of "
                "--immediate-submit. Missing input files:\n{}".format(
                    "\n".join(missing_input)))

            return False

        if printdag:
            print(dag)
            return True
        elif printrulegraph:
            print(dag.rule_dot())
            return True
        elif summary:
            print("\n".join(dag.summary()))
            return True
        elif list_version_changes:
            items = list(
                chain(*map(self.persistence.version_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_code_changes:
            items = list(chain(*map(self.persistence.code_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_input_changes:
            items = list(chain(*map(self.persistence.input_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_params_changes:
            items = list(
                chain(*map(self.persistence.params_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True

        scheduler = JobScheduler(self,
                                 dag,
                                 cores,
                                 dryrun=dryrun,
                                 touch=touch,
                                 cluster=cluster,
                                 immediate_submit=immediate_submit,
                                 quiet=quiet,
                                 keepgoing=keepgoing,
                                 printreason=printreason,
                                 printshellcmds=printshellcmds,
                                 output_wait=output_wait)

        if not dryrun and not quiet and len(dag):
            if cluster:
                logger.warning("Provided cluster nodes: {}".format(cores))
            else:
                logger.warning("Provided cores: {}".format(cores))
            logger.warning("\n".join(dag.stats()))

        success = scheduler.schedule()

        if success:
            if dryrun:
                if not quiet:
                    logger.warning("\n".join(dag.stats()))
            elif stats:
                scheduler.stats.to_csv(stats)
        else:
            logger.critical("Exiting because a job execution failed. "
                            "Look above for error message")
            return False
        return True

    def include(self,
                snakefile,
                workdir=None,
                overwrite_first_rule=False,
                print_compilation=False):
        """
        Include a snakefile.
        """
        global workflow
        workflow = self
        first_rule = self.first_rule
        if workdir:
            os.chdir(workdir)
        code, linemap = parse(snakefile)

        if print_compilation:
            print(code)

        self.linemaps[snakefile] = linemap
        exec(compile(code, snakefile, "exec"), self.globals)
        if not overwrite_first_rule:
            self.first_rule = first_rule

    def workdir(self, workdir):
        if self._workdir is None:
            if not os.path.exists(workdir):
                os.makedirs(workdir)
            self._workdir = workdir

    def ruleorder(self, *rulenames):
        self._ruleorder.add(*rulenames)

    def subworkflow(self, name, snakefile=None, workdir=None):
        sw = Subworkflow(self, name, snakefile, workdir)
        self._subworkflows[name] = sw
        self.globals[name] = sw.target

    def localrules(self, *rulenames):
        self._localrules.update(rulenames)

    def rule(self, name=None, lineno=None, snakefile=None):
        name = self.add_rule(name, lineno, snakefile)
        rule = self.get_rule(name)

        def decorate(ruleinfo):
            if ruleinfo.input:
                rule.set_input(*ruleinfo.input[0], **ruleinfo.input[1])
            if ruleinfo.output:
                rule.set_output(*ruleinfo.output[0], **ruleinfo.output[1])
            if ruleinfo.params:
                rule.set_params(*ruleinfo.params[0], **ruleinfo.params[1])
            if ruleinfo.threads:
                if not isinstance(ruleinfo.threads, int):
                    raise RuleException("Threads value has to be an integer.",
                                        rule=rule)
                rule.resources["_cores"] = ruleinfo.threads
            if ruleinfo.resources:
                args, resources = ruleinfo.resources
                if args:
                    raise RuleException("Resources have to be named.")
                if not all(
                        map(lambda r: isinstance(r, int), resources.values())):
                    raise RuleException(
                        "Resources values have to be integers.", rule=rule)
                rule.resources.update(resources)
            if ruleinfo.priority:
                if (not isinstance(ruleinfo.priority, int)
                        and not isinstance(ruleinfo.priority, float)):
                    raise RuleException("Priority values have to be numeric.",
                                        rule=rule)
                rule.priority = ruleinfo.priority
            if ruleinfo.version:
                rule.version = ruleinfo.version
            if ruleinfo.log:
                rule.log = ruleinfo.log
            if ruleinfo.message:
                rule.message = ruleinfo.message
            rule.docstring = ruleinfo.docstring
            rule.run_func = ruleinfo.func
            rule.shellcmd = ruleinfo.shellcmd
            ruleinfo.func.__name__ = "__{}".format(name)
            self.globals[ruleinfo.func.__name__] = ruleinfo.func
            return ruleinfo.func

        return decorate

    def docstring(self, string):
        def decorate(ruleinfo):
            ruleinfo.docstring = string
            return ruleinfo

        return decorate

    def input(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.input = (paths, kwpaths)
            return ruleinfo

        return decorate

    def output(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.output = (paths, kwpaths)
            return ruleinfo

        return decorate

    def params(self, *params, **kwparams):
        def decorate(ruleinfo):
            ruleinfo.params = (params, kwparams)
            return ruleinfo

        return decorate

    def message(self, message):
        def decorate(ruleinfo):
            ruleinfo.message = message
            return ruleinfo

        return decorate

    def threads(self, threads):
        def decorate(ruleinfo):
            ruleinfo.threads = threads
            return ruleinfo

        return decorate

    def resources(self, *args, **resources):
        def decorate(ruleinfo):
            ruleinfo.resources = (args, resources)
            return ruleinfo

        return decorate

    def priority(self, priority):
        def decorate(ruleinfo):
            ruleinfo.priority = priority
            return ruleinfo

        return decorate

    def version(self, version):
        def decorate(ruleinfo):
            ruleinfo.version = version
            return ruleinfo

        return decorate

    def log(self, log):
        def decorate(ruleinfo):
            ruleinfo.log = log
            return ruleinfo

        return decorate

    def shellcmd(self, cmd):
        def decorate(ruleinfo):
            ruleinfo.shellcmd = cmd
            return ruleinfo

        return decorate

    def run(self, func):
        return RuleInfo(func)

    @staticmethod
    def _empty_decorator(f):
        return f
コード例 #11
0
ファイル: workflow.py プロジェクト: Kirill84/snakemake
class Workflow:
    def __init__(self, snakefile=None, snakemakepath=None, jobscript=None):
        """
        Create the controller.
        """
        self._rules = OrderedDict()
        self.first_rule = None
        self._workdir = None
        self._ruleorder = Ruleorder()
        self._localrules = set()
        self.linemaps = dict()
        self.rule_count = 0
        self.basedir = os.path.dirname(snakefile)
        self.snakefile = os.path.abspath(snakefile)
        self.snakemakepath = os.path.abspath(snakemakepath)
        self.jobscript = jobscript
        self.persistence = None
        self.global_resources = None
        self.globals = globals()
        self._subworkflows = dict()

    @property
    def subworkflows(self):
        return self._subworkflows.values()

    @property
    def rules(self):
        return self._rules.values()

    @property
    def concrete_files(self):
        return (file for rule in self.rules for file in chain(rule.input, rule.output) if not callable(file) and not file.contains_wildcard())

    def check(self):
        for clause in self._ruleorder:
            for rulename in clause:
                if not self.is_rule(rulename):
                    raise UnknownRuleException(
                        rulename, prefix = "Error in ruleorder definition.")

    def add_rule(self, name=None, lineno=None, snakefile=None):
        """
        Add a rule.
        """
        if name is None:
            name = str(len(self._rules) + 1)
        if self.is_rule(name):
            raise CreateRuleException(
                "The name {} is already used by another rule".format(name))
        rule = Rule(name, self, lineno=lineno, snakefile=snakefile)
        self._rules[rule.name] = rule
        self.rule_count += 1
        if not self.first_rule:
            self.first_rule = rule.name
        return name

    def is_rule(self, name):
        """
        Return True if name is the name of a rule.

        Arguments
        name -- a name
        """
        return name in self._rules

    def get_rule(self, name):
        """
        Get rule by name.

        Arguments
        name -- the name of the rule
        """
        if not self._rules:
            raise NoRulesException()
        if not name in self._rules:
            raise UnknownRuleException(name)
        return self._rules[name]

    def list_rules(self, details=True, log=logger.info):
        log("Available rules:")
        for rule in self.rules:
            log(rule.name)
            if details:
                if rule.docstring:
                    for line in rule.docstring.split("\n"):
                        log("\t" + line)

    def is_local(self, rule):
        return rule.name in self._localrules

    def execute(
        self, targets=None, dryrun=False,  touch=False, cores=1,
        forcetargets=False, forceall=False, forcerun=None,
        prioritytargets=None, quiet=False, keepgoing=False,
        printshellcmds=False, printreason=False, printdag=False,
        cluster=None, immediate_submit=False, ignore_ambiguity=False,
        workdir=None, printrulegraph=False,
        stats=None, force_incomplete=False, ignore_incomplete=False,
        list_version_changes=False, list_code_changes=False,
        list_input_changes=False, list_params_changes=False,
        summary=False, output_wait=3, nolock=False, unlock=False,
        resources=None, notemp=False, nodeps=False,
        cleanup_metadata=None):

        self.global_resources = dict() if cluster or resources is None else resources
        self.global_resources["_cores"] = cores

        def rules(items):
            return map(self._rules.__getitem__, filter(self.is_rule, items))

        def files(items):
            return map(os.path.relpath, filterfalse(self.is_rule, items))

        if workdir is None:
            workdir = os.getcwd() if self._workdir is None else self._workdir
        os.chdir(workdir)

        if not targets:
            targets = [self.first_rule] if self.first_rule is not None else list()
        if prioritytargets is None:
            prioritytargets = list()
        if forcerun is None:
            forcerun = list()

        priorityrules = set(rules(prioritytargets))
        priorityfiles = set(files(prioritytargets))
        forcerules = set(rules(forcerun))
        forcefiles = set(files(forcerun))
        targetrules = set(chain(
            rules(targets), filterfalse(Rule.has_wildcards, priorityrules),
            filterfalse(Rule.has_wildcards, forcerules)))
        targetfiles = set(chain(files(targets), priorityfiles, forcefiles))
        if forcetargets:
            forcefiles.update(targetfiles)
            forcerules.update(targetrules)

        dag = DAG(
            self, dryrun=dryrun, targetfiles=targetfiles,
            targetrules=targetrules,
            forceall=forceall, forcefiles=forcefiles,
            forcerules=forcerules, priorityfiles=priorityfiles,
            priorityrules=priorityrules, ignore_ambiguity=ignore_ambiguity,
            force_incomplete=force_incomplete,
            ignore_incomplete=ignore_incomplete, notemp=notemp)

        self.persistence = Persistence(nolock=nolock, dag=dag)

        if cleanup_metadata:
            for f in cleanup_metadata:
                self.persistence.cleanup_metadata(f)
            return True

        dag.init()
        dag.check_dynamic()

        if unlock:
            try:
                self.persistence.cleanup_locks()
                logger.warning("Unlocking working directory.")
                return True
            except IOError:
                logger.error("Error: Unlocking the directory {} failed. Maybe "
                "you don't have the permissions?")
                return False
        try:
            self.persistence.lock()
        except IOError:
            logger.critical("Error: Directory cannot be locked. Please make "
                "sure that no other Snakemake process is trying to create "
                "the same files in the following directory:\n{}\n"
                "If you are sure that no other "
                "instances of snakemake are running on this directory, "
                "the remaining lock was likely caused by a kill signal or "
                "a power loss. It can be removed with "
                "the --unlock argument.".format(os.getcwd()))
            return False

        dag.check_incomplete()
        dag.postprocess()

        if nodeps:
            missing_input = [f for job in dag.targetjobs for f in job.input if dag.needrun(job) and not os.path.exists(f)]
            logger.critical("Dependency resolution disabled (--nodeps) "
                "but missing input " 
                "files detected. If this happens on a cluster, please make sure "
                "that you handle the dependencies yourself or turn of "
                "--immediate-submit. Missing input files:\n{}".format(
                    "\n".join(missing_input)))
            
            return False

        if printdag:
            print(dag)
            return True
        elif printrulegraph:
            print(dag.rule_dot())
            return True
        elif summary:
            print("\n".join(dag.summary()))
            return True
        elif list_version_changes:
            items = list(chain(
                *map(self.persistence.version_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_code_changes:
            items = list(chain(
                *map(self.persistence.code_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_input_changes:
            items = list(chain(
                *map(self.persistence.input_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True
        elif list_params_changes:
            items = list(chain(
                *map(self.persistence.params_changed, dag.jobs)))
            if items:
                print(*items, sep="\n")
            return True

        scheduler = JobScheduler(
            self, dag, cores, dryrun=dryrun, touch=touch, cluster=cluster,
            immediate_submit=immediate_submit,
            quiet=quiet, keepgoing=keepgoing,
            printreason=printreason, printshellcmds=printshellcmds,
            output_wait=output_wait)

        if not dryrun and not quiet and len(dag):
            if cluster:
                logger.warning("Provided cluster nodes: {}".format(cores))
            else:
                logger.warning("Provided cores: {}".format(cores))
            logger.warning("\n".join(dag.stats()))

        success = scheduler.schedule()

        if success:
            if dryrun:
                if not quiet:
                    logger.warning("\n".join(dag.stats()))
            elif stats:
                scheduler.stats.to_csv(stats)
        else:
            logger.critical(
                "Exiting because a job execution failed. "
                "Look above for error message")
            return False
        return True

    def include(self, snakefile, workdir=None, overwrite_first_rule=False,
        print_compilation=False):
        """
        Include a snakefile.
        """
        global workflow
        workflow = self
        first_rule = self.first_rule
        if workdir:
            os.chdir(workdir)
        code, linemap = parse(snakefile)

        if print_compilation:
            print(code)

        self.linemaps[snakefile] = linemap
        exec(compile(code, snakefile, "exec"), self.globals)
        if not overwrite_first_rule:
            self.first_rule = first_rule

    def workdir(self, workdir):
        if self._workdir is None:
            if not os.path.exists(workdir):
                os.makedirs(workdir)
            self._workdir = workdir

    def ruleorder(self, *rulenames):
        self._ruleorder.add(*rulenames)


    def subworkflow(self, name, snakefile=None, workdir=None):
        sw = Subworkflow(self, name, snakefile, workdir)
        self._subworkflows[name] = sw
        self.globals[name] = sw.target

    def localrules(self, *rulenames):
        self._localrules.update(rulenames)

    def rule(self, name=None, lineno=None, snakefile=None):
        name = self.add_rule(name, lineno, snakefile)
        rule = self.get_rule(name)

        def decorate(ruleinfo):
            if ruleinfo.input:
                rule.set_input(*ruleinfo.input[0], **ruleinfo.input[1])
            if ruleinfo.output:
                rule.set_output(*ruleinfo.output[0], **ruleinfo.output[1])
            if ruleinfo.params:
                rule.set_params(*ruleinfo.params[0], **ruleinfo.params[1])
            if ruleinfo.threads:
                if not isinstance(ruleinfo.threads, int):
                    raise RuleException("Threads value has to be an integer.",
                        rule=rule)
                rule.resources["_cores"] = ruleinfo.threads
            if ruleinfo.resources:
                args, resources = ruleinfo.resources
                if args:
                    raise RuleException("Resources have to be named.")
                if not all(map(lambda r: isinstance(r, int), resources.values())):
                    raise RuleException("Resources values have to be integers.", rule=rule)
                rule.resources.update(resources)
            if ruleinfo.priority:
                if (not isinstance(ruleinfo.priority, int)
                    and not isinstance(ruleinfo.priority, float)):
                    raise RuleException("Priority values have to be numeric.",
                        rule=rule)
                rule.priority = ruleinfo.priority
            if ruleinfo.version:
                rule.version = ruleinfo.version
            if ruleinfo.log:
                rule.log = ruleinfo.log
            if ruleinfo.message:
                rule.message = ruleinfo.message
            rule.docstring = ruleinfo.docstring
            rule.run_func = ruleinfo.func
            rule.shellcmd = ruleinfo.shellcmd
            ruleinfo.func.__name__ = "__{}".format(name)
            self.globals[ruleinfo.func.__name__] = ruleinfo.func
            return ruleinfo.func
        return decorate

    def docstring(self, string):
        def decorate(ruleinfo):
            ruleinfo.docstring = string
            return ruleinfo
        return decorate

    def input(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.input = (paths, kwpaths)
            return ruleinfo
        return decorate

    def output(self, *paths, **kwpaths):
        def decorate(ruleinfo):
            ruleinfo.output = (paths, kwpaths)
            return ruleinfo
        return decorate

    def params(self, *params, **kwparams):
        def decorate(ruleinfo):
            ruleinfo.params = (params, kwparams)
            return ruleinfo
        return decorate

    def message(self, message):
        def decorate(ruleinfo):
            ruleinfo.message = message
            return ruleinfo
        return decorate

    def threads(self, threads):
        def decorate(ruleinfo):
            ruleinfo.threads = threads
            return ruleinfo
        return decorate

    def resources(self, *args, **resources):
        def decorate(ruleinfo):
            ruleinfo.resources = (args, resources)
            return ruleinfo
        return decorate

    def priority(self, priority):
        def decorate(ruleinfo):
            ruleinfo.priority = priority
            return ruleinfo
        return decorate

    def version(self, version):
        def decorate(ruleinfo):
            ruleinfo.version = version
            return ruleinfo
        return decorate

    def log(self, log):
        def decorate(ruleinfo):
            ruleinfo.log = log
            return ruleinfo
        return decorate

    def shellcmd(self, cmd):
        def decorate(ruleinfo):
            ruleinfo.shellcmd = cmd
            return ruleinfo
        return decorate

    def run(self, func):
        return RuleInfo(func)

    @staticmethod
    def _empty_decorator(f):
        return f