コード例 #1
0
def get_install_actions(prefix, specs, env, retries=0, subdir=None,
                        verbose=True, debug=False, locking=True,
                        bldpkgs_dirs=None, timeout=90, disable_pip=False,
                        max_env_retry=3, output_folder=None, channel_urls=None):
    global cached_actions
    global last_index_ts
    actions = {}
    log = utils.get_logger(__name__)
    conda_log_level = logging.WARN
    specs = list(specs)
    if verbose:
        capture = contextlib.contextmanager(lambda: (yield))
    elif debug:
        capture = contextlib.contextmanager(lambda: (yield))
        conda_log_level = logging.DEBUG
    else:
        capture = utils.capture
    for feature, value in feature_list:
        if value:
            specs.append('%s@' % feature)

    bldpkgs_dirs = ensure_list(bldpkgs_dirs)

    index, index_ts = get_build_index(subdir, list(bldpkgs_dirs)[0], output_folder=output_folder,
                                      channel_urls=channel_urls, debug=debug, verbose=verbose,
                                      locking=locking, timeout=timeout)
    specs = tuple(utils.ensure_valid_spec(spec) for spec in specs if not str(spec).endswith('@'))

    if ((specs, env, subdir, channel_urls, disable_pip) in cached_actions and
            last_index_ts >= index_ts):
        actions = cached_actions[(specs, env, subdir, channel_urls, disable_pip)].copy()
        if "PREFIX" in actions:
            actions['PREFIX'] = prefix
    elif specs:
        # this is hiding output like:
        #    Fetching package metadata ...........
        #    Solving package specifications: ..........
        with utils.LoggingContext(conda_log_level):
            with capture():
                try:
                    actions = install_actions(prefix, index, specs, force=True)
                except NoPackagesFoundError as exc:
                    raise DependencyNeedsBuildingError(exc, subdir=subdir)
                except (SystemExit, PaddingError, LinkError, DependencyNeedsBuildingError,
                        CondaError, AssertionError) as exc:
                    if 'lock' in str(exc):
                        log.warn("failed to get install actions, retrying.  exception was: %s",
                                str(exc))
                    elif ('requires a minimum conda version' in str(exc) or
                            'link a source that does not' in str(exc) or
                            isinstance(exc, AssertionError)):
                        locks = utils.get_conda_operation_locks(locking, bldpkgs_dirs, timeout)
                        with utils.try_acquire_locks(locks, timeout=timeout):
                            pkg_dir = str(exc)
                            folder = 0
                            while os.path.dirname(pkg_dir) not in pkgs_dirs and folder < 20:
                                pkg_dir = os.path.dirname(pkg_dir)
                                folder += 1
                            log.warn("I think conda ended up with a partial extraction for %s. "
                                        "Removing the folder and retrying", pkg_dir)
                            if pkg_dir in pkgs_dirs and os.path.isdir(pkg_dir):
                                utils.rm_rf(pkg_dir)
                    if retries < max_env_retry:
                        log.warn("failed to get install actions, retrying.  exception was: %s",
                                str(exc))
                        actions = get_install_actions(prefix, tuple(specs), env,
                                                      retries=retries + 1,
                                                      subdir=subdir,
                                                      verbose=verbose,
                                                      debug=debug,
                                                      locking=locking,
                                                      bldpkgs_dirs=tuple(bldpkgs_dirs),
                                                      timeout=timeout,
                                                      disable_pip=disable_pip,
                                                      max_env_retry=max_env_retry,
                                                      output_folder=output_folder,
                                                      channel_urls=tuple(channel_urls))
                    else:
                        log.error("Failed to get install actions, max retries exceeded.")
                        raise
        if disable_pip:
            for pkg in ('pip', 'setuptools', 'wheel'):
                # specs are the raw specifications, not the conda-derived actual specs
                #   We're testing that pip etc. are manually specified
                if not any(re.match('^%s(?:$|[\s=].*)' % pkg, str(dep)) for dep in specs):
                    actions['LINK'] = [spec for spec in actions['LINK'] if spec.name != pkg]
        utils.trim_empty_keys(actions)
        cached_actions[(specs, env, subdir, channel_urls, disable_pip)] = actions.copy()
        last_index_ts = index_ts
    return actions
コード例 #2
0
def create_env(prefix, specs_or_actions, env, config, subdir, clear_cache=True, retry=0,
               locks=None, is_cross=False, is_conda=False):
    '''
    Create a conda envrionment for the given prefix and specs.
    '''
    if config.debug:
        external_logger_context = utils.LoggingContext(logging.DEBUG)
    else:
        external_logger_context = utils.LoggingContext(logging.ERROR)

    with external_logger_context:
        log = utils.get_logger(__name__)

        # if os.path.isdir(prefix):
        #     utils.rm_rf(prefix)

        if specs_or_actions:  # Don't waste time if there is nothing to do
            log.debug("Creating environment in %s", prefix)
            log.debug(str(specs_or_actions))

            with utils.path_prepended(prefix):
                if not locks:
                    locks = utils.get_conda_operation_locks(config)
                try:
                    with utils.try_acquire_locks(locks, timeout=config.timeout):
                        # input is a list - it's specs in MatchSpec format
                        if not hasattr(specs_or_actions, 'keys'):
                            specs = list(set(specs_or_actions))
                            actions = get_install_actions(prefix, tuple(specs), env,
                                                          subdir=subdir,
                                                          verbose=config.verbose,
                                                          debug=config.debug,
                                                          locking=config.locking,
                                                          bldpkgs_dirs=tuple(config.bldpkgs_dirs),
                                                          timeout=config.timeout,
                                                          disable_pip=config.disable_pip,
                                                          max_env_retry=config.max_env_retry,
                                                          output_folder=config.output_folder,
                                                          channel_urls=tuple(config.channel_urls))
                        else:
                            actions = specs_or_actions
                        index, index_ts = get_build_index(subdir=subdir,
                                                        bldpkgs_dir=config.bldpkgs_dir,
                                                        output_folder=config.output_folder,
                                                        channel_urls=config.channel_urls,
                                                        debug=config.debug,
                                                        verbose=config.verbose,
                                                        locking=config.locking,
                                                        timeout=config.timeout)
                        utils.trim_empty_keys(actions)
                        display_actions(actions, index)
                        if utils.on_win:
                            for k, v in os.environ.items():
                                os.environ[k] = str(v)
                        execute_actions(actions, index, verbose=config.debug)
                except (SystemExit, PaddingError, LinkError, DependencyNeedsBuildingError,
                        CondaError) as exc:
                    if (("too short in" in str(exc) or
                            re.search('post-link failed for: (?:[a-zA-Z]*::)?openssl', str(exc)) or
                            isinstance(exc, PaddingError)) and
                            config.prefix_length > 80):
                        if config.prefix_length_fallback:
                            log.warn("Build prefix failed with prefix length %d",
                                     config.prefix_length)
                            log.warn("Error was: ")
                            log.warn(str(exc))
                            log.warn("One or more of your package dependencies needs to be rebuilt "
                                    "with a longer prefix length.")
                            log.warn("Falling back to legacy prefix length of 80 characters.")
                            log.warn("Your package will not install into prefixes > 80 characters.")
                            config.prefix_length = 80

                            host = '_h_env' in prefix
                            # Set this here and use to create environ
                            #   Setting this here is important because we use it below (symlink)
                            prefix = config.host_prefix if host else config.build_prefix
                            actions['PREFIX'] = prefix

                            create_env(prefix, actions, config=config, subdir=subdir, env=env,
                                       clear_cache=clear_cache, is_cross=is_cross)
                        else:
                            raise
                    elif 'lock' in str(exc):
                        if retry < config.max_env_retry:
                            log.warn("failed to create env, retrying.  exception was: %s", str(exc))
                            create_env(prefix, actions, config=config, subdir=subdir, env=env,
                                    clear_cache=clear_cache, retry=retry + 1, is_cross=is_cross)
                    elif ('requires a minimum conda version' in str(exc) or
                          'link a source that does not' in str(exc)):
                        with utils.try_acquire_locks(locks, timeout=config.timeout):
                            pkg_dir = str(exc)
                            folder = 0
                            while os.path.dirname(pkg_dir) not in pkgs_dirs and folder < 20:
                                pkg_dir = os.path.dirname(pkg_dir)
                                folder += 1
                            log.warn("I think conda ended up with a partial extraction for %s.  "
                                     "Removing the folder and retrying", pkg_dir)
                            if os.path.isdir(pkg_dir):
                                utils.rm_rf(pkg_dir)
                        if retry < config.max_env_retry:
                            log.warn("failed to create env, retrying.  exception was: %s", str(exc))
                            create_env(prefix, actions, config=config, subdir=subdir, env=env,
                                       clear_cache=clear_cache, retry=retry + 1, is_cross=is_cross)
                        else:
                            log.error("Failed to create env, max retries exceeded.")
                            raise
                    else:
                        raise
                # HACK: some of the time, conda screws up somehow and incomplete packages result.
                #    Just retry.
                except (AssertionError, IOError, ValueError, RuntimeError, LockError) as exc:
                    if isinstance(exc, AssertionError):
                        with utils.try_acquire_locks(locks, timeout=config.timeout):
                            pkg_dir = os.path.dirname(os.path.dirname(str(exc)))
                            log.warn("I think conda ended up with a partial extraction for %s.  "
                                     "Removing the folder and retrying", pkg_dir)
                            if os.path.isdir(pkg_dir):
                                utils.rm_rf(pkg_dir)
                    if retry < config.max_env_retry:
                        log.warn("failed to create env, retrying.  exception was: %s", str(exc))
                        create_env(prefix, actions, config=config, subdir=subdir, env=env,
                                   clear_cache=clear_cache, retry=retry + 1, is_cross=is_cross)
                    else:
                        log.error("Failed to create env, max retries exceeded.")
                        raise

    if not is_conda:
        # Symlinking conda is critical here to make sure that activate scripts are not
        #    accidentally included in packages.
        if utils.on_win:
            shell = "cmd.exe"
        else:
            shell = "bash"
        symlink_conda(prefix, sys.prefix, shell)
コード例 #3
0
ファイル: render.py プロジェクト: wikiped/conda-build
def get_upstream_pins(m, actions, env):
    """Download packages from specs, then inspect each downloaded package for additional
    downstream dependency specs.  Return these additional specs."""

    env_specs = m.meta.get('requirements', {}).get(env, [])
    explicit_specs = [req.split(' ')[0]
                      for req in env_specs] if env_specs else []
    linked_packages = actions.get('LINK', [])
    linked_packages = [
        pkg for pkg in linked_packages if pkg.name in explicit_specs
    ]

    # edit the plan to download all necessary packages
    for key in ('LINK', 'EXTRACT', 'UNLINK'):
        if key in actions:
            del actions[key]
    # this should be just downloading packages.  We don't need to extract them -
    #    we read contents directly

    index, index_ts = get_build_index(getattr(m.config,
                                              '{}_subdir'.format(env)),
                                      bldpkgs_dir=m.config.bldpkgs_dir,
                                      output_folder=m.config.output_folder,
                                      channel_urls=m.config.channel_urls,
                                      debug=m.config.debug,
                                      verbose=m.config.verbose,
                                      locking=m.config.locking,
                                      timeout=m.config.timeout)
    if 'FETCH' in actions or 'EXTRACT' in actions:
        # this is to force the download
        execute_actions(actions, index, verbose=m.config.debug)
    ignore_list = utils.ensure_list(m.get_value('build/ignore_run_exports'))

    additional_specs = {}
    for pkg in linked_packages:
        if hasattr(pkg, 'dist_name'):
            pkg_dist = pkg.dist_name
        else:
            pkg = strip_channel(pkg)
            pkg_dist = pkg.split(' ')[0]
        pkg_loc = find_pkg_dir_or_file_in_pkgs_dirs(pkg_dist, m)

        # ran through all pkgs_dirs, and did not find package or folder.  Download it.
        # TODO: this is a vile hack reaching into conda's internals. Replace with
        #    proper conda API when available.
        if not pkg_loc and conda_43:
            try:
                # the conda 4.4 API uses a single `link_prefs` kwarg
                # whereas conda 4.3 used `index` and `link_dists` kwargs
                pfe = ProgressiveFetchExtract(link_prefs=(index[pkg], ))
            except TypeError:
                # TypeError: __init__() got an unexpected keyword argument 'link_prefs'
                pfe = ProgressiveFetchExtract(link_dists=[pkg], index=index)
            with utils.LoggingContext():
                pfe.execute()
            for pkg_dir in pkgs_dirs:
                _loc = os.path.join(pkg_dir, index[pkg].fn)
                if os.path.isfile(_loc):
                    pkg_loc = _loc
                    break

        specs = _read_specs_from_package(pkg_loc, pkg_dist)

        additional_specs = utils.merge_dicts_of_lists(
            additional_specs, _filter_run_exports(specs, ignore_list))
    return additional_specs
コード例 #4
0
def get_upstream_pins(m, actions, env):
    """Download packages from specs, then inspect each downloaded package for additional
    downstream dependency specs.  Return these additional specs."""

    # this attribute is added in the first pass of finalize_outputs_pass
    raw_specs = (m.original_meta.get('requirements', {}).get(env, []) if hasattr(m, 'original_meta')
                 else [])
    explicit_specs = [req.split(' ')[0] for req in raw_specs]
    linked_packages = actions.get('LINK', [])
    linked_packages = [pkg for pkg in linked_packages if pkg.name in explicit_specs]

    # edit the plan to download all necessary packages
    for key in ('LINK', 'EXTRACT', 'UNLINK'):
        if key in actions:
            del actions[key]
    # this should be just downloading packages.  We don't need to extract them -
    #    we read contents directly

    index, index_ts = get_build_index(getattr(m.config, '{}_subdir'.format(env)),
                                      bldpkgs_dir=m.config.bldpkgs_dir,
                                      output_folder=m.config.output_folder,
                                      channel_urls=m.config.channel_urls,
                                      debug=m.config.debug, verbose=m.config.verbose,
                                      locking=m.config.locking, timeout=m.config.timeout)
    if 'FETCH' in actions or 'EXTRACT' in actions:
        # this is to force the download
        execute_actions(actions, index, verbose=m.config.debug)
    ignore_list = utils.ensure_list(m.get_value('build/ignore_run_exports'))

    _pkgs_dirs = pkgs_dirs + list(m.config.bldpkgs_dirs)
    additional_specs = {}
    for pkg in linked_packages:
        pkg_loc = None
        if hasattr(pkg, 'dist_name'):
            pkg_dist = pkg.dist_name
        else:
            pkg = strip_channel(pkg)
            pkg_dist = pkg.split(' ')[0]
        for pkgs_dir in _pkgs_dirs:
            pkg_dir = os.path.join(pkgs_dir, pkg_dist)
            pkg_file = os.path.join(pkgs_dir, pkg_dist + '.tar.bz2')

            if os.path.isdir(pkg_dir):
                pkg_loc = pkg_dir
                break
            elif os.path.isfile(pkg_file):
                pkg_loc = pkg_file
                break

        # ran through all pkgs_dirs, and did not find package or folder.  Download it.
        # TODO: this is a vile hack reaching into conda's internals. Replace with
        #    proper conda API when available.
        if not pkg_loc and conda_43:
            try:
                # the conda 4.4 API uses a single `link_prefs` kwarg
                # whereas conda 4.3 used `index` and `link_dists` kwargs
                pfe = ProgressiveFetchExtract(link_prefs=(index[pkg],))
            except TypeError:
                # TypeError: __init__() got an unexpected keyword argument 'link_prefs'
                pfe = ProgressiveFetchExtract(link_dists=[pkg], index=index)
            with utils.LoggingContext():
                pfe.execute()
            for pkg_dir in pkgs_dirs:
                _loc = os.path.join(pkg_dir, index[pkg].fn)
                if os.path.isfile(_loc):
                    pkg_loc = _loc
                    break

        specs = {}
        if os.path.isdir(pkg_loc):
            downstream_file = os.path.join(pkg_dir, 'info/run_exports')
            if os.path.isfile(downstream_file):
                with open(downstream_file) as f:
                    specs = {'weak': [spec.rstrip() for spec in f.readlines()]}
            # a later attempt: record more info in the yaml file, to support "strong" run exports
            elif os.path.isfile(downstream_file + '.yaml'):
                with open(downstream_file + '.yaml') as f:
                    specs = yaml.safe_load(f)
        elif os.path.isfile(pkg_file):
            legacy_specs = utils.package_has_file(pkg_file, 'info/run_exports')
            specs_yaml = utils.package_has_file(pkg_file, 'info/run_exports.yaml')
            if specs:
                # exclude packages pinning themselves (makes no sense)
                specs = {'weak': [spec.rstrip() for spec in legacy_specs.splitlines()
                                  if not spec.startswith(pkg_dist.rsplit('-', 2)[0])]}
            elif specs_yaml:
                specs = yaml.safe_load(specs_yaml)

        additional_specs = utils.merge_dicts_of_lists(additional_specs,
                                                      _filter_run_exports(specs, ignore_list))
    return additional_specs
コード例 #5
0
def execute_download_actions(m,
                             actions,
                             env,
                             package_subset=None,
                             require_files=False):
    index, _, _ = get_build_index(getattr(m.config, '{}_subdir'.format(env)),
                                  bldpkgs_dir=m.config.bldpkgs_dir,
                                  output_folder=m.config.output_folder,
                                  channel_urls=m.config.channel_urls,
                                  debug=m.config.debug,
                                  verbose=m.config.verbose,
                                  locking=m.config.locking,
                                  timeout=m.config.timeout)

    # this should be just downloading packages.  We don't need to extract them -
    #    we read contents directly
    if 'FETCH' in actions or 'EXTRACT' in actions:
        # this is to force the download
        execute_actions(actions, index, verbose=m.config.debug)

    pkg_files = {}

    packages = actions.get('LINK', [])
    package_subset = utils.ensure_list(package_subset)
    selected_packages = set()
    if package_subset:
        for pkg in package_subset:
            if hasattr(pkg, 'name'):
                if pkg in packages:
                    selected_packages.add(pkg)
            else:
                pkg_name = pkg.split()[0]
                for link_pkg in packages:
                    if pkg_name == link_pkg.name:
                        selected_packages.add(link_pkg)
                        break
        packages = selected_packages

    for pkg in packages:
        if hasattr(pkg, 'dist_name'):
            pkg_dist = pkg.dist_name
        else:
            pkg = strip_channel(pkg)
            pkg_dist = pkg.split(' ')[0]
        pkg_loc = find_pkg_dir_or_file_in_pkgs_dirs(pkg_dist,
                                                    m,
                                                    files_only=require_files)

        # ran through all pkgs_dirs, and did not find package or folder.  Download it.
        # TODO: this is a vile hack reaching into conda's internals. Replace with
        #    proper conda API when available.
        if not pkg_loc and conda_43:
            try:
                pkg_record = [_ for _ in index if _.dist_name == pkg_dist][0]
                # the conda 4.4 API uses a single `link_prefs` kwarg
                # whereas conda 4.3 used `index` and `link_dists` kwargs
                pfe = ProgressiveFetchExtract(link_prefs=(index[pkg_record], ))
            except TypeError:
                # TypeError: __init__() got an unexpected keyword argument 'link_prefs'
                pfe = ProgressiveFetchExtract(link_dists=[pkg], index=index)
            with utils.LoggingContext():
                pfe.execute()
            for pkg_dir in pkgs_dirs:
                _loc = os.path.join(pkg_dir, index[pkg].fn)
                if os.path.isfile(_loc):
                    pkg_loc = _loc
                    break
        pkg_files[pkg] = pkg_loc, pkg_dist

    return pkg_files
コード例 #6
0
ファイル: environ.py プロジェクト: waltonseymour/conda-build
def create_env(prefix,
               specs_or_actions,
               config,
               subdir,
               clear_cache=True,
               retry=0,
               locks=None,
               is_cross=False):
    '''
    Create a conda envrionment for the given prefix and specs.
    '''
    if config.debug:
        utils.get_logger("conda_build").setLevel(logging.DEBUG)
        external_logger_context = utils.LoggingContext(logging.DEBUG)
    else:
        utils.get_logger("conda_build").setLevel(logging.INFO)
        external_logger_context = utils.LoggingContext(logging.ERROR)

    with external_logger_context:
        log = utils.get_logger(__name__)

        # if os.path.isdir(prefix):
        #     utils.rm_rf(prefix)

        if specs_or_actions:  # Don't waste time if there is nothing to do
            log.debug("Creating environment in %s", prefix)
            log.debug(str(specs_or_actions))

            with utils.path_prepended(prefix):
                if not locks:
                    locks = utils.get_conda_operation_locks(config)
                try:
                    with utils.try_acquire_locks(locks,
                                                 timeout=config.timeout):
                        index, index_ts = get_build_index(config=config,
                                                          subdir=subdir)
                        # input is a list - it's specs in MatchSpec format
                        if not hasattr(specs_or_actions, 'keys'):
                            specs = list(set(specs_or_actions))
                            actions = get_install_actions(prefix,
                                                          index,
                                                          specs,
                                                          config,
                                                          timestamp=index_ts)
                        else:
                            actions = specs_or_actions
                        display_actions(actions, index)
                        if utils.on_win:
                            for k, v in os.environ.items():
                                os.environ[k] = str(v)
                        execute_actions(actions, index, verbose=config.debug)
                except (SystemExit, PaddingError, LinkError,
                        DependencyNeedsBuildingError, CondaError) as exc:
                    if (("too short in" in str(exc) or re.search(
                            'post-link failed for: (?:[a-zA-Z]*::)?openssl',
                            str(exc)) or isinstance(exc, PaddingError))
                            and config.prefix_length > 80):
                        if config.prefix_length_fallback:
                            log.warn(
                                "Build prefix failed with prefix length %d",
                                config.prefix_length)
                            log.warn("Error was: ")
                            log.warn(str(exc))
                            log.warn(
                                "One or more of your package dependencies needs to be rebuilt "
                                "with a longer prefix length.")
                            log.warn(
                                "Falling back to legacy prefix length of 80 characters."
                            )
                            log.warn(
                                "Your package will not install into prefixes > 80 characters."
                            )
                            config.prefix_length = 80

                            # Set this here and use to create environ
                            #   Setting this here is important because we use it below (symlink)
                            prefix = config.build_prefix
                            actions['PREFIX'] = prefix

                            create_env(prefix,
                                       actions,
                                       config=config,
                                       subdir=subdir,
                                       clear_cache=clear_cache,
                                       is_cross=is_cross)
                        else:
                            raise
                    elif 'lock' in str(exc):
                        if retry < config.max_env_retry:
                            log.warn(
                                "failed to create env, retrying.  exception was: %s",
                                str(exc))
                            create_env(prefix,
                                       actions,
                                       config=config,
                                       subdir=subdir,
                                       clear_cache=clear_cache,
                                       retry=retry + 1,
                                       is_cross=is_cross)
                    elif ('requires a minimum conda version' in str(exc)
                          or 'link a source that does not' in str(exc)):
                        with utils.try_acquire_locks(locks,
                                                     timeout=config.timeout):
                            pkg_dir = str(exc)
                            folder = 0
                            while os.path.dirname(
                                    pkg_dir) not in pkgs_dirs and folder < 20:
                                pkg_dir = os.path.dirname(pkg_dir)
                                folder += 1
                            log.warn(
                                "I think conda ended up with a partial extraction for %s.  "
                                "Removing the folder and retrying", pkg_dir)
                            if os.path.isdir(pkg_dir):
                                utils.rm_rf(pkg_dir)
                        if retry < config.max_env_retry:
                            log.warn(
                                "failed to create env, retrying.  exception was: %s",
                                str(exc))
                            create_env(prefix,
                                       actions,
                                       config=config,
                                       subdir=subdir,
                                       clear_cache=clear_cache,
                                       retry=retry + 1,
                                       is_cross=is_cross)
                        else:
                            log.error(
                                "Failed to create env, max retries exceeded.")
                            raise
                    else:
                        raise
                # HACK: some of the time, conda screws up somehow and incomplete packages result.
                #    Just retry.
                except (AssertionError, IOError, ValueError, RuntimeError,
                        LockError) as exc:
                    if isinstance(exc, AssertionError):
                        with utils.try_acquire_locks(locks,
                                                     timeout=config.timeout):
                            pkg_dir = os.path.dirname(os.path.dirname(
                                str(exc)))
                            log.warn(
                                "I think conda ended up with a partial extraction for %s.  "
                                "Removing the folder and retrying", pkg_dir)
                            if os.path.isdir(pkg_dir):
                                utils.rm_rf(pkg_dir)
                    if retry < config.max_env_retry:
                        log.warn(
                            "failed to create env, retrying.  exception was: %s",
                            str(exc))
                        create_env(prefix,
                                   actions,
                                   config=config,
                                   subdir=subdir,
                                   clear_cache=clear_cache,
                                   retry=retry + 1,
                                   is_cross=is_cross)
                    else:
                        log.error(
                            "Failed to create env, max retries exceeded.")
                        raise
    # We must not symlink conda across different platforms when cross-compiling.
    #  On second thought, I think we must, because activating the host env does
    #     the symlink for us anyway, and when activate does it, we end up with
    #     conda symlinks in every package. =()
    # if os.path.basename(prefix) == '_build_env' or not is_cross:
    if utils.on_win:
        shell = "cmd.exe"
    else:
        shell = "bash"
    symlink_conda(prefix, sys.prefix, shell)
コード例 #7
0
def get_upstream_pins(m, actions, env):
    """Download packages from specs, then inspect each downloaded package for additional
    downstream dependency specs.  Return these additional specs."""
    additional_specs = []
    linked_packages = actions.get('LINK', [])
    # edit the plan to download all necessary packages
    for key in ('LINK', 'EXTRACT', 'UNLINK'):
        if key in actions:
            del actions[key]
    # this should be just downloading packages.  We don't need to extract them -
    #    we read contents directly

    index, index_ts = get_build_index(getattr(m.config,
                                              '{}_subdir'.format(env)),
                                      bldpkgs_dir=m.config.bldpkgs_dir,
                                      output_folder=m.config.output_folder,
                                      channel_urls=m.config.channel_urls,
                                      debug=m.config.debug,
                                      verbose=m.config.verbose,
                                      locking=m.config.locking,
                                      timeout=m.config.timeout)

    if actions:
        execute_actions(actions, index, verbose=m.config.debug)
        ignore_list = utils.ensure_list(
            m.get_value('build/ignore_run_exports'))

        _pkgs_dirs = pkgs_dirs + list(m.config.bldpkgs_dirs)
        for pkg in linked_packages:
            for pkgs_dir in _pkgs_dirs:
                if hasattr(pkg, 'dist_name'):
                    pkg_dist = pkg.dist_name
                else:
                    pkg = strip_channel(pkg)
                    pkg_dist = pkg.split(' ')[0]

                pkg_dir = os.path.join(pkgs_dir, pkg_dist)
                pkg_file = os.path.join(pkgs_dir, pkg_dist + '.tar.bz2')
                if os.path.isdir(pkg_dir):
                    downstream_file = os.path.join(pkg_dir, 'info/run_exports')
                    if os.path.isfile(downstream_file):
                        specs = open(downstream_file).read().splitlines()
                        additional_specs.extend(
                            _filter_run_exports(specs, ignore_list))
                    break
                elif os.path.isfile(pkg_file):
                    extra_specs = utils.package_has_file(
                        pkg_file, 'info/run_exports')
                    if extra_specs:
                        # exclude packages pinning themselves (makes no sense)
                        extra_specs = [
                            spec for spec in extra_specs.splitlines()
                            if not spec.startswith(pkg_dist.rsplit('-', 2)[0])
                        ]
                        additional_specs.extend(
                            _filter_run_exports(extra_specs, ignore_list))
                    break
                elif utils.conda_43():
                    # TODO: this is a vile hack reaching into conda's internals. Replace with
                    #    proper conda API when available.
                    try:
                        pfe = ProgressiveFetchExtract(link_dists=[pkg],
                                                      index=index)
                        with utils.LoggingContext():
                            pfe.execute()
                        for pkgs_dir in _pkgs_dirs:
                            pkg_file = os.path.join(pkgs_dir,
                                                    pkg.dist_name + '.tar.bz2')
                            if os.path.isfile(pkg_file):
                                extra_specs = utils.package_has_file(
                                    pkg_file, 'info/run_exports')
                                if extra_specs:
                                    specs = extra_specs.splitlines()
                                    additional_specs.extend(
                                        _filter_run_exports(
                                            specs, ignore_list))
                                break
                        break
                    except KeyError:
                        raise DependencyNeedsBuildingError(packages=[pkg.name])
            else:
                raise RuntimeError(
                    "Didn't find expected package {} in package cache ({})".
                    format(pkg_dist, _pkgs_dirs))

    return additional_specs