def test_do_links(self):
     src_tmp_dir = tempfile.mkdtemp()
     dst_tmp_dir = os.path.join(src_tmp_dir, 'dst' )
     safe_makedir(dst_tmp_dir)
     src_file_path = os.path.join(src_tmp_dir, 'file1.txt') 
     dst_file_path = os.path.join(dst_tmp_dir, 'file1.txt') 
     open(src_file_path, 'w').close()
     do_hardlink([src_file_path], dst_tmp_dir)
     assert(filecmp.cmp(src_file_path, dst_file_path))
     os.remove(dst_file_path)
     do_symlink([src_file_path], dst_tmp_dir)
     assert(filecmp.cmp(src_file_path, dst_file_path))
Exemplo n.º 2
0
 def test_do_links(self):
     src_tmp_dir = tempfile.mkdtemp()
     dst_tmp_dir = os.path.join(src_tmp_dir, 'dst' )
     safe_makedir(dst_tmp_dir)
     src_file_path = os.path.join(src_tmp_dir, 'file1.txt') 
     dst_file_path = os.path.join(dst_tmp_dir, 'file1.txt') 
     open(src_file_path, 'w').close()
     do_hardlink([src_file_path], dst_tmp_dir)
     assert(filecmp.cmp(src_file_path, dst_file_path))
     os.remove(dst_file_path)
     do_symlink([src_file_path], dst_tmp_dir)
     assert(filecmp.cmp(src_file_path, dst_file_path))
 def test_do_links(self):
     src_tmp_dir = tempfile.mkdtemp()
     dst_tmp_dir = os.path.join(src_tmp_dir, "dst")
     safe_makedir(dst_tmp_dir)
     src_file_path = os.path.join(src_tmp_dir, "file1.txt")
     dst_file_path = os.path.join(dst_tmp_dir, "file1.txt")
     open(src_file_path, "w").close()
     do_hardlink([src_file_path], dst_tmp_dir)
     assert filecmp.cmp(src_file_path, dst_file_path)
     os.remove(dst_file_path)
     do_symlink([src_file_path], dst_tmp_dir)
     assert filecmp.cmp(src_file_path, dst_file_path)
Exemplo n.º 4
0
def setup_analysis_directory_structure(fc_dir, projects_to_analyze,
                                       restrict_to_projects=None, restrict_to_samples=None,
                                       create_files=True,
                                       fallback_libprep=None,
                                       quiet=False,
                                       config=None, config_file_path=None):
    """
    Copy and sort files from their CASAVA-demultiplexed flowcell structure
    into their respective project/sample/libPrep/FCIDs. This collects samples
    split across multiple flowcells.

    :param str fc_dir: The directory created by CASAVA for this flowcell.
    :param dict config: The parsed configuration file.
    :param set projects_to_analyze: A dict (of Project objects, or empty)
    :param bool create_files: Alter the filesystem (as opposed to just parsing flowcells) (default True)
    :param str fallback_libprep: If libprep cannot be determined, use this value if supplied (default None)
    :param list restrict_to_projects: Specific projects within the flowcell to process exclusively
    :param list restrict_to_samples: Specific samples within the flowcell to process exclusively

    :returns: A list of NGIProject objects that need to be run through the analysis pipeline
    :rtype: list

    :raises KeyError: If a required configuration key is not available.
    """
    LOG.info("Setting up analysis for demultiplexed data in source folder \"{}\"".format(fc_dir))
    if not restrict_to_projects: restrict_to_projects = []
    if not restrict_to_samples: restrict_to_samples = []
    config["quiet"] = quiet # Hack because I enter here from a script sometimes
    pattern="(.+(?:{}|{}))\/.+".format(config["analysis"]["sthlm_root"], config["analysis"]["upps_root"])
    matches=re.match(pattern, fc_dir)
    if matches:
        flowcell_root=matches.group(1)
    else:
        LOG.error("cannot guess which project the flowcell {} belongs to".format(fc_dir))
        raise RuntimeError

    analysis_top_dir = os.path.abspath(os.path.join(flowcell_root,config["analysis"]["top_dir"]))
    try:
        safe_makedir(analysis_top_dir)
    except OSError as e:
        LOG.error('Error: Analysis top directory {} does not exist and could not '
                  'be created.'.format(analysis_top_dir))
    fc_dir = fc_dir if os.path.isabs(fc_dir) else os.path.join(analysis_top_dir, fc_dir)
    if not os.path.exists(fc_dir):
        LOG.error("Error: Flowcell directory {} does not exist".format(fc_dir))
        return []
    # Map the directory structure for this flowcell
    try:
        fc_dir_structure = parse_flowcell(fc_dir)
    except (OSError, ValueError) as e:
        LOG.error("Error when processing flowcell dir \"{}\": {}".format(fc_dir, e))
        return []
    fc_full_id = fc_dir_structure['fc_full_id']
    if not fc_dir_structure.get('projects'):
        LOG.warn("No projects found in specified flowcell directory \"{}\"".format(fc_dir))
    # Iterate over the projects in the flowcell directory
    for project in fc_dir_structure.get('projects', []):
        project_name = project['project_name']
        project_original_name = project['project_original_name']
        samplesheet_path = fc_dir_structure.get("samplesheet_path")
        try:
            # Maps e.g. "Y.Mom_14_01" to "P123"
            project_id = get_project_id_from_name(project_name)
        except (CharonError, RuntimeError, ValueError) as e:
            LOG.warn('Could not retrieve project id from Charon (record missing?). '
                     'Using project name ("{}") as project id '
                     '(error: {})'.format(project_name, e))
            project_id = project_name
        # If specific projects are specified, skip those that do not match
        if restrict_to_projects and project_name not in restrict_to_projects and \
                                    project_id not in restrict_to_projects:
            LOG.debug("Skipping project {} (not in restrict_to_projects)".format(project_name))
            continue
        LOG.info("Setting up project {}".format(project.get("project_name")))
        # Create a project directory if it doesn't already exist, including
        # intervening "DATA" directory
        project_dir = os.path.join(analysis_top_dir, "DATA", project_id)
        project_sl_dir = os.path.join(analysis_top_dir, "DATA", project_name)
        project_analysis_dir = os.path.join(analysis_top_dir, "ANALYSIS", project_id)
        project_analysis_sl_dir = os.path.join(analysis_top_dir, "ANALYSIS", project_name)
        if create_files:
            safe_makedir(project_dir, 0o2770)
            safe_makedir(project_analysis_dir, 0o2770)
            if not project_dir == project_sl_dir and \
               not os.path.exists(project_sl_dir):
                os.symlink(project_dir, project_sl_dir)
            if not project_analysis_dir == project_analysis_sl_dir and \
               not os.path.exists(project_analysis_sl_dir):
                os.symlink(project_analysis_dir, project_analysis_sl_dir)
        try:
            project_obj = projects_to_analyze[project_dir]
        except KeyError:
            project_obj = NGIProject(name=project_name, dirname=project_id,
                                     project_id=project_id,
                                     base_path=analysis_top_dir)
            projects_to_analyze[project_dir] = project_obj
        # Iterate over the samples in the project
        for sample in project.get('samples', []):
            sample_name = sample['sample_name']
            # If specific samples are specified, skip those that do not match
            if restrict_to_samples and sample_name not in restrict_to_samples:
                LOG.debug("Skipping sample {}: not in specified samples "
                          "{}".format(sample_name, ", ".join(restrict_to_samples)))
                continue
            LOG.info("Setting up sample {}".format(sample_name))
            # Create a directory for the sample if it doesn't already exist
            sample_dir = os.path.join(project_dir, sample_name)
            if create_files: safe_makedir(sample_dir, 0o2770)
            # This will only create a new sample object if it doesn't already exist in the project
            sample_obj = project_obj.add_sample(name=sample_name, dirname=sample_name)
            # Get the Library Prep ID for each file
            pattern = re.compile(".*\.(fastq|fq)(\.gz|\.gzip|\.bz2)?$")
            fastq_files = filter(pattern.match, sample.get('files', []))
            # For each fastq file, create the libprep and seqrun objects
            # and add the fastq file to the seqprep object
            # Note again that these objects only get created if they don't yet exist;
            # if they do exist, the existing object is returned
            for fq_file in fastq_files:
                # Try to parse from SampleSheet
                try:
                    if not samplesheet_path: raise ValueError()
                    lane_num = re.match(r'[\w-]+_L\d{2}(\d)_\w+', fq_file).groups()[0]
                    libprep_name = determine_library_prep_from_samplesheet(samplesheet_path,
                                                                           project_original_name,
                                                                           sample_name,
                                                                           lane_num)
                except (IndexError, ValueError) as e:
                    LOG.debug('Unable to determine library prep from sample sheet file '
                              '("{}"); try to determine from Charon'.format(e))
                    try:
                        # Requires Charon access
                        libprep_name = determine_library_prep_from_fcid(project_id, sample_name, fc_full_id)
                        LOG.debug('Found libprep name "{}" in Charon'.format(libprep_name))
                    except ValueError:
                        charon_session = CharonSession()
                        libpreps = charon_session.sample_get_libpreps(project_id, sample_name).get('libpreps')
                        if len(libpreps) == 1:
                            libprep_name = libpreps[0].get('libprepid')
                            LOG.warn('Project "{}" / sample "{}" / seqrun "{}" / fastq "{}" '
                                     'has no libprep information in Charon, but only one '
                                     'library prep is present in Charon ("{}"). Using '
                                     'this as the library prep.'.format(project_name,
                                                                        sample_name,
                                                                        fc_full_id,
                                                                        fq_file,
                                                                        libprep_name))
                        elif fallback_libprep:
                            libprep_name = fallback_libprep
                            LOG.warn('Project "{}" / sample "{}" / seqrun "{}" / fastq "{}" '
                                     'has no libprep information in Charon, but a fallback '
                                     'libprep value of "{}" was supplied -- using this '
                                     'value.'.format(project_name,
                                                     sample_name,
                                                     fc_full_id,
                                                     fq_file,
                                                     libprep_name,
                                                     fallback_libprep))
                        else:
                            error_text = ('Project "{}" / sample "{}" / seqrun "{}" / fastq "{}" '
                                          'has no libprep information in Charon. Skipping '
                                          'analysis.'.format(project_name, sample_name,
                                                             fc_full_id, fq_file))
                            LOG.error(error_text)
                            if not config.get('quiet'):
                                mail_analysis(project_name=project_name,
                                              sample_name=sample_name,
                                              level="ERROR",
                                              info_text=error_text)
                            continue
                libprep_object = sample_obj.add_libprep(name=libprep_name,
                                                        dirname=libprep_name)
                libprep_dir = os.path.join(sample_dir, libprep_name)
                if create_files: safe_makedir(libprep_dir, 0o2770)
                seqrun_object = libprep_object.add_seqrun(name=fc_full_id,
                                                          dirname=fc_full_id)
                seqrun_dir = os.path.join(libprep_dir, fc_full_id)
                if create_files: safe_makedir(seqrun_dir, 0o2770)
                seqrun_object.add_fastq_files(fq_file)
            if fastq_files and create_files:
                src_sample_dir = os.path.join(fc_dir_structure['fc_dir'],
                                              project['data_dir'],
                                              project['project_dir'],
                                              sample['sample_dir'])
                for libprep_obj in sample_obj:
                    for seqrun_obj in libprep_obj:
                        src_fastq_files = [os.path.join(src_sample_dir, fastq_file) for
                                           fastq_file in seqrun_obj.fastq_files]
                        seqrun_dst_dir = os.path.join(project_obj.base_path, project_obj.dirname,
                                                      sample_obj.dirname, libprep_obj.dirname,
                                                      seqrun_obj.dirname)
                        LOG.info("Symlinking fastq files from {} to {}...".format(src_sample_dir, seqrun_dir))
                        try:
                            do_symlink(src_fastq_files, seqrun_dir)
                        except OSError:
                            error_text = ('Could not symlink files for project/sample'
                                          'libprep/seqrun {}/{}/{}/{}'.format(project_obj,
                                                                              sample_obj,
                                                                              libprep_obj,
                                                                              seqrun_obj))
                            LOG.error(error_text)
                            if not config.get('quiet'):
                                mail_analysis(project_name=project_name,
                                              sample_name=sample_name,
                                              level="ERROR",
                                              info_text=error_text)
                            continue
    return projects_to_analyze
Exemplo n.º 5
0
def setup_analysis_directory_structure(fc_dir,
                                       projects_to_analyze,
                                       restrict_to_projects=None,
                                       restrict_to_samples=None,
                                       create_files=True,
                                       fallback_libprep=None,
                                       quiet=False,
                                       config=None,
                                       config_file_path=None):
    """
    Copy and sort files from their CASAVA-demultiplexed flowcell structure
    into their respective project/sample/libPrep/FCIDs. This collects samples
    split across multiple flowcells.

    :param str fc_dir: The directory created by CASAVA for this flowcell.
    :param dict config: The parsed configuration file.
    :param set projects_to_analyze: A dict (of Project objects, or empty)
    :param bool create_files: Alter the filesystem (as opposed to just parsing flowcells) (default True)
    :param str fallback_libprep: If libprep cannot be determined, use this value if supplied (default None)
    :param list restrict_to_projects: Specific projects within the flowcell to process exclusively
    :param list restrict_to_samples: Specific samples within the flowcell to process exclusively

    :returns: A list of NGIProject objects that need to be run through the analysis pipeline
    :rtype: list

    :raises KeyError: If a required configuration key is not available.
    """
    LOG.info(
        "Setting up analysis for demultiplexed data in source folder \"{}\"".
        format(fc_dir))
    if not restrict_to_projects: restrict_to_projects = []
    if not restrict_to_samples: restrict_to_samples = []
    config[
        "quiet"] = quiet  # Hack because I enter here from a script sometimes
    #Checks flowcell path to establish which group owns it
    pattern = ".+({}|{})\/.+".format(config["analysis"]["sthlm_root"],
                                     config["analysis"]["upps_root"])
    matches = re.match(pattern, fc_dir)
    if matches:
        flowcell_uppnexid = matches.group(1)
    else:
        LOG.error(
            "cannot guess which project (sthlm/uppsala) the flowcell {} belongs to"
            .format(fc_dir))
        raise RuntimeError

    analysis_top_dir = os.path.abspath(
        os.path.join(config["analysis"]["base_root"], flowcell_uppnexid,
                     config["analysis"]["top_dir"]))
    try:
        safe_makedir(analysis_top_dir)
    except OSError as e:
        LOG.error(
            'Error: Analysis top directory {} does not exist and could not '
            'be created.'.format(analysis_top_dir))
    fc_dir = fc_dir if os.path.isabs(fc_dir) else os.path.join(
        analysis_top_dir, fc_dir)
    if not os.path.exists(fc_dir):
        LOG.error("Error: Flowcell directory {} does not exist".format(fc_dir))
        return []
    # Map the directory structure for this flowcell
    try:
        fc_dir_structure = parse_flowcell(fc_dir)
    except (OSError, ValueError) as e:
        LOG.error("Error when processing flowcell dir \"{}\": {}".format(
            fc_dir, e))
        return []
    fc_full_id = fc_dir_structure['fc_full_id']
    if not fc_dir_structure.get('projects'):
        LOG.warning(
            "No projects found in specified flowcell directory \"{}\"".format(
                fc_dir))

    # Iterate over the projects in the flowcell directory
    for project in fc_dir_structure.get('projects', []):
        project_name = project['project_name']
        project_original_name = project['project_original_name']
        samplesheet_path = fc_dir_structure.get("samplesheet_path")

        # parse the samplesheet and get the expected sample numbers assigned by bcl2fastq
        samplesheet_sample_numbers = get_sample_numbers_from_samplesheet(
            samplesheet_path) if samplesheet_path else None

        try:
            # Maps e.g. "Y.Mom_14_01" to "P123"
            project_id = get_project_id_from_name(project_name)
        except (CharonError, RuntimeError, ValueError) as e:
            LOG.warning(
                'Could not retrieve project id from Charon (record missing?). '
                'Using project name ("{}") as project id '
                '(error: {})'.format(project_name, e))
            project_id = project_name
        # If specific projects are specified, skip those that do not match
        if restrict_to_projects and project_name not in restrict_to_projects and \
                                    project_id not in restrict_to_projects:
            LOG.debug(
                "Skipping project {} (not in restrict_to_projects)".format(
                    project_name))
            continue
        LOG.info("Setting up project {}".format(project.get("project_name")))
        # Create a project directory if it doesn't already exist, including
        # intervening "DATA" directory
        project_dir = os.path.join(analysis_top_dir, "DATA", project_id)
        project_sl_dir = os.path.join(analysis_top_dir, "DATA", project_name)
        project_analysis_dir = os.path.join(analysis_top_dir, "ANALYSIS",
                                            project_id)
        project_analysis_sl_dir = os.path.join(analysis_top_dir, "ANALYSIS",
                                               project_name)
        if create_files:
            safe_makedir(project_dir, 0o2770)
            safe_makedir(project_analysis_dir, 0o2770)
            if not project_dir == project_sl_dir and \
               not os.path.exists(project_sl_dir):
                os.symlink(project_dir, project_sl_dir)
            if not project_analysis_dir == project_analysis_sl_dir and \
               not os.path.exists(project_analysis_sl_dir):
                os.symlink(project_analysis_dir, project_analysis_sl_dir)
        try:
            project_obj = projects_to_analyze[project_dir]
        except KeyError:
            project_obj = NGIProject(name=project_name,
                                     dirname=project_id,
                                     project_id=project_id,
                                     base_path=analysis_top_dir)
            projects_to_analyze[project_dir] = project_obj
        # Iterate over the samples in the project
        for sample in project.get('samples', []):
            sample_name = sample['sample_name']
            # If specific samples are specified, skip those that do not match
            if restrict_to_samples and sample_name not in restrict_to_samples:
                LOG.debug("Skipping sample {}: not in specified samples "
                          "{}".format(sample_name,
                                      ", ".join(restrict_to_samples)))
                continue
            LOG.info("Setting up sample {}".format(sample_name))
            # Create a directory for the sample if it doesn't already exist
            sample_dir = os.path.join(project_dir, sample_name)
            if create_files: safe_makedir(sample_dir, 0o2770)
            # This will only create a new sample object if it doesn't already exist in the project
            sample_obj = project_obj.add_sample(name=sample_name,
                                                dirname=sample_name)
            # Get the Library Prep ID for each file
            pattern = re.compile(".*\.(fastq|fq)(\.gz|\.gzip|\.bz2)?$")
            fastq_files = list(filter(pattern.match, sample.get('files', [])))
            # For each fastq file, create the libprep and seqrun objects
            # and add the fastq file to the seqprep object
            # Note again that these objects only get created if they don't yet exist;
            # if they do exist, the existing object is returned
            for fq_file in fastq_files:
                # Try to use assignment from SampleSheet
                samplesheet_sample = match_fastq_sample_number_to_samplesheet(
                    fq_file, samplesheet_sample_numbers, project_id)
                if samplesheet_sample is not None and \
                        samplesheet_sample[6] is not None:
                    libprep_name = samplesheet_sample[6]
                else:
                    LOG.debug(
                        'Unable to determine library prep from sample sheet file; try to determine from Charon'
                    )
                    try:
                        # Requires Charon access
                        libprep_name = determine_library_prep_from_fcid(
                            project_id, sample_name, fc_full_id)
                        LOG.debug('Found libprep name "{}" in Charon'.format(
                            libprep_name))
                    except ValueError:
                        charon_session = CharonSession()
                        libpreps = charon_session.sample_get_libpreps(
                            project_id, sample_name).get('libpreps')
                        if len(libpreps) == 1:
                            libprep_name = libpreps[0].get('libprepid')
                            LOG.warning(
                                'Project "{}" / sample "{}" / seqrun "{}" / fastq "{}" '
                                'has no libprep information in Charon, but only one '
                                'library prep is present in Charon ("{}"). Using '
                                'this as the library prep.'.format(
                                    project_name, sample_name, fc_full_id,
                                    fq_file, libprep_name))
                        elif fallback_libprep:
                            libprep_name = fallback_libprep
                            LOG.warning(
                                'Project "{}" / sample "{}" / seqrun "{}" / fastq "{}" '
                                'has no libprep information in Charon, but a fallback '
                                'libprep value of "{}" was supplied -- using this '
                                'value.'.format(project_name, sample_name,
                                                fc_full_id, fq_file,
                                                libprep_name))
                        else:
                            error_text = (
                                'Project "{}" / sample "{}" / seqrun "{}" / fastq "{}" '
                                'has no libprep information in Charon. Skipping '
                                'analysis.'.format(project_name, sample_name,
                                                   fc_full_id, fq_file))
                            LOG.error(error_text)
                            if not config.get('quiet'):
                                mail_analysis(project_name=project_name,
                                              sample_name=sample_name,
                                              level="ERROR",
                                              info_text=error_text)
                            continue
                libprep_object = sample_obj.add_libprep(name=libprep_name,
                                                        dirname=libprep_name)
                libprep_dir = os.path.join(sample_dir, libprep_name)
                if create_files: safe_makedir(libprep_dir, 0o2770)
                seqrun_object = libprep_object.add_seqrun(name=fc_full_id,
                                                          dirname=fc_full_id)
                seqrun_dir = os.path.join(libprep_dir, fc_full_id)
                if create_files: safe_makedir(seqrun_dir, 0o2770)
                seqrun_object.add_fastq_files(fq_file)
            if fastq_files and create_files:
                src_sample_dir = os.path.join(fc_dir_structure['fc_dir'],
                                              project['data_dir'],
                                              project['project_dir'],
                                              sample['sample_dir'])
                for libprep_obj in sample_obj:
                    for seqrun_obj in libprep_obj:
                        src_fastq_files = [
                            os.path.join(src_sample_dir, fastq_file)
                            for fastq_file in seqrun_obj.fastq_files
                        ]
                        seqrun_dst_dir = os.path.join(project_obj.base_path,
                                                      "DATA",
                                                      project_obj.dirname,
                                                      sample_obj.dirname,
                                                      libprep_obj.dirname,
                                                      seqrun_obj.dirname)
                        LOG.info(
                            "Symlinking fastq files from {} to {}...".format(
                                src_sample_dir, seqrun_dst_dir))
                        try:
                            do_symlink(src_fastq_files, seqrun_dst_dir)
                        except OSError:
                            error_text = (
                                'Could not symlink files for project/sample'
                                'libprep/seqrun {}/{}/{}/{}'.format(
                                    project_obj, sample_obj, libprep_obj,
                                    seqrun_obj))
                            LOG.error(error_text)
                            if not config.get('quiet'):
                                mail_analysis(project_name=project_name,
                                              sample_name=sample_name,
                                              level="ERROR",
                                              info_text=error_text)
                            continue
    return projects_to_analyze