Beispiel #1
0
def create_db(args):
    """Main function for the 'taxadb create' sub-command.

    This function creates a taxonomy database with 2 tables: Taxa and Sequence.

    Args:

        args.input (:obj:`str`): input directory. It is the directory created
            by `taxadb download`
        args.dbname (:obj:`str`): name of the database to be created
        args.dbtype (:obj:`str`): type of database to be used.
        args.division (:obj:`str`): division to create the db for.
        args.fast (:obj:`bool`): Disables checks for faster db creation. Use
                                 with caution!

    """
    logger = logging.getLogger(__name__)
    database = DatabaseFactory(**args.__dict__).get_database()
    div = args.division  # am lazy at typing
    db.initialize(database)

    nucl_gb = 'nucl_gb.accession2taxid.gz'
    nucl_wgs = 'nucl_wgs.accession2taxid.gz'
    prot = 'prot.accession2taxid.gz'
    acc_dl_list = []

    db.connect()
    parser = TaxaDumpParser(nodes_file=os.path.join(args.input, 'nodes.dmp'),
                            names_file=os.path.join(args.input, 'names.dmp'),
                            verbose=args.verbose)

    logger.debug('Connected to database')
    # If taxa table already exists, do not recreate and fill it
    # safe=True prevent not to create the table if it already exists
    if not Taxa.table_exists():
        logger.info('Creating table %s' % str(Taxa.get_table_name()))
        db.create_tables([Taxa])

    logger.info("Parsing files")
    taxa_info_list = parser.taxdump()

    logger.info("Inserting taxonomy data")
    total_size = len(taxa_info_list)
    try:
        with db.atomic():
            for i in tqdm(range(0, total_size, args.chunk),
                          unit=' chunks',
                          desc='INFO:taxadb.app',
                          total=''):
                Taxa.insert_many(taxa_info_list[i:i + args.chunk]).execute()
    except OperationalError as e:
        print("\n")  # needed because the above counter has none
        logger.error("sqlite3 error: %s" % e)
        logger.error("Maybe retry with a lower chunk size.")
        sys.exit(1)
    logger.info('Table Taxa completed')

    # At first load, table accession does not exist yet, we create it
    db.create_tables([Accession])

    if div in ['full', 'nucl', 'gb']:
        acc_dl_list.append(nucl_gb)
    if div in ['full', 'nucl', 'wgs']:
        acc_dl_list.append(nucl_wgs)
    if div in ['full', 'prot']:
        acc_dl_list.append(prot)
    parser = Accession2TaxidParser(verbose=args.verbose, fast=args.fast)
    with db.atomic():
        for acc_file in acc_dl_list:
            inserted_rows = 0
            logger.info("Parsing %s" % str(acc_file))
            for data_dict in tqdm(parser.accession2taxid(
                    acc2taxid=os.path.join(args.input,
                                           acc_file), chunk=args.chunk),
                                  unit=' chunks',
                                  desc='INFO:taxadb.app',
                                  total=''):
                Accession.insert_many(data_dict[0:args.chunk]).execute()
                inserted_rows += len(data_dict)
            logger.info('%s: %s added to database (%d rows inserted)' %
                        (Accession.get_table_name(), acc_file, inserted_rows))
        if not Accession.has_index(name='accession_accession'):
            logger.info('Creating index for %s' % Accession.get_table_name())
            try:
                # db.add_index(Accession, ['accession'], unique=True)
                idx = db.index(db.Accession, name='accession', unique=True)
                db.add_index(idx)
            except PeeweeException as err:
                raise Exception("Could not create Accession index: %s" %
                                str(err))
    logger.info('Table Accession completed')
    db.close()
Beispiel #2
0
def create_db(args):
    """Main function for the 'taxadb create' sub-command.

    This function creates a taxonomy database with 2 tables: Taxa and Sequence.

    Args:

        args.input (:obj:`str`): input directory. It is the directory created by
            `taxadb download`
        args.dbname (:obj:`str`): name of the database to be created
        args.dbtype (:obj:`str`): type of database to be used.
        args.division (:obj:`str`): division to create the db for.
        args.fast (:obj:`bool`): Disables checks for faster db creation. Use
                                 with caution!

    """
    database = DatabaseFactory(**args.__dict__).get_database()
    div = args.division  # am lazy at typing
    db.initialize(database)

    nucl_est = 'nucl_est.accession2taxid.gz'
    nucl_gb = 'nucl_gb.accession2taxid.gz'
    nucl_gss = 'nucl_gss.accession2taxid.gz'
    nucl_wgs = 'nucl_wgs.accession2taxid.gz'
    prot = 'prot.accession2taxid.gz'
    acc_dl_list = []

    db.connect()
    parser = TaxaDumpParser(nodes_file=os.path.join(args.input, 'nodes.dmp'),
                            names_file=os.path.join(args.input, 'names.dmp'),
                            verbose=args.verbose)

    parser.verbose("Connected to database ...")
    # If taxa table already exists, do not recreate and fill it
    # safe=True prevent not to create the table if it already exists
    if not Taxa.table_exists():
        parser.verbose("Creating table %s" % str(Taxa.get_table_name()))
    db.create_table(Taxa, safe=True)

    parser.verbose("Parsing files")
    taxa_info_list = parser.taxdump()

    parser.verbose("Inserting taxa data")
    with db.atomic():
        for i in range(0, len(taxa_info_list), args.chunk):
            Taxa.insert_many(taxa_info_list[i:i + args.chunk]).execute()
    print('Taxa: completed')

    parser.verbose("Checking table accession ...")
    # At first load, table accession does not exist yet, we create it
    db.create_table(Accession, safe=True)

    if div in ['full', 'nucl', 'est']:
        acc_dl_list.append(nucl_est)
    if div in ['full', 'nucl', 'gb']:
        acc_dl_list.append(nucl_gb)
    if div in ['full', 'nucl', 'gss']:
        acc_dl_list.append(nucl_gss)
    if div in ['full', 'nucl', 'wgs']:
        acc_dl_list.append(nucl_wgs)
    if div in ['full', 'prot']:
        acc_dl_list.append(prot)
    parser = Accession2TaxidParser(verbose=args.verbose, fast=args.fast)
    with db.atomic():
        for acc_file in acc_dl_list:
            inserted_rows = 0
            parser.verbose("Parsing %s" % str(acc_file))
            for data_dict in parser.accession2taxid(acc2taxid=os.path.join(
                    args.input, acc_file),
                                                    chunk=args.chunk):
                Accession.insert_many(data_dict[0:args.chunk]).execute()
                inserted_rows += len(data_dict)
            print('%s: %s added to database (%d rows inserted)' %
                  (Accession.get_table_name(), acc_file, inserted_rows))
        if not Accession.has_index(name='accession_accession'):
            print('Creating index for %s' % Accession.get_table_name())
            try:
                db.create_index(Accession, ['accession'], unique=True)
            except PeeweeException as err:
                raise Exception("Could not create Accession index: %s" %
                                str(err))
    print('Accession: completed')
    db.close()
Beispiel #3
0
def create_db(args):
    """Main function for the 'taxadb create' sub-command.

    This function creates a taxonomy database with 2 tables: Taxa and Sequence.

    Args:

        args.input (:obj:`str`): input directory. It is the directory created
            by `taxadb download`
        args.dbname (:obj:`str`): name of the database to be created
        args.dbtype (:obj:`str`): type of database to be used.
        args.division (:obj:`str`): division to create the db for.
        args.fast (:obj:`bool`): Disables checks for faster db creation. Use
                                 with caution!

    """
    logger = logging.getLogger(__name__)
    database = DatabaseFactory(**args.__dict__).get_database()
    div = args.division  # am lazy at typing
    db.initialize(database)

    nucl_gb = 'nucl_gb.accession2taxid.gz'
    nucl_wgs = 'nucl_wgs.accession2taxid.gz'
    prot = 'prot.accession2taxid.gz'
    acc_dl_list = []

    db.connect()
    parser = TaxaDumpParser(nodes_file=os.path.join(args.input, 'nodes.dmp'),
                            names_file=os.path.join(args.input, 'names.dmp'),
                            verbose=args.verbose)

    logger.debug('Connected to database')
    # If taxa table already exists, do not recreate and fill it
    # safe=True prevent not to create the table if it already exists
    if not Taxa.table_exists():
        logger.info('Creating table %s' % str(Taxa.get_table_name()))
        db.create_tables([Taxa])

    logger.info("Parsing files")
    taxa_info_list = parser.taxdump()

    logger.info("Inserting taxonomy data")
    total_size = len(taxa_info_list)
    try:
        with db.atomic():
            for i in tqdm(range(0, total_size, args.chunk),
                          unit=' chunks', desc='INFO:taxadb.app',
                          total=''):
                Taxa.insert_many(taxa_info_list[i:i+args.chunk]).execute()
    except OperationalError as e:
        print("\n")  # needed because the above counter has none
        logger.error("sqlite3 error: %s" % e)
        logger.error("Maybe retry with a lower chunk size.")
        sys.exit(1)
    logger.info('Table Taxa completed')

    # At first load, table accession does not exist yet, we create it
    db.create_tables([Accession])

    if div in ['full', 'nucl', 'gb']:
        acc_dl_list.append(nucl_gb)
    if div in ['full', 'nucl', 'wgs']:
        acc_dl_list.append(nucl_wgs)
    if div in ['full', 'prot']:
        acc_dl_list.append(prot)
    parser = Accession2TaxidParser(verbose=args.verbose, fast=args.fast)
    with db.atomic():
        for acc_file in acc_dl_list:
            inserted_rows = 0
            logger.info("Parsing %s" % str(acc_file))
            for data_dict in tqdm(
                parser.accession2taxid(
                    acc2taxid=os.path.join(args.input, acc_file),
                    chunk=args.chunk), unit=' chunks',
                    desc='INFO:taxadb.app',
                    total=''):
                Accession.insert_many(data_dict[0:args.chunk]).execute()
                inserted_rows += len(data_dict)
            logger.info('%s: %s added to database (%d rows inserted)'
                        % (Accession.get_table_name(),
                            acc_file, inserted_rows))
        if not Accession.has_index(name='accession_accession'):
            logger.info('Creating index for %s'
                        % Accession.get_table_name())
            try:
                # db.add_index(Accession, ['accession'], unique=True)
                idx = db.index(db.Accession, name='accession', unique=True)
                db.add_index(idx)
            except PeeweeException as err:
                raise Exception("Could not create Accession index: %s"
                                % str(err))
    logger.info('Table Accession completed')
    db.close()