Example #1
0
def export_records(context, database, table, xml_dirpath):
    """Export metadata records from database to directory of files"""
    repo = repository.Repository(database, context, table=table)

    LOGGER.info('Querying database %s, table %s ....', database, table)
    records = repo.session.query(repo.dataset)

    LOGGER.info('Found %d records\n', records.count())

    LOGGER.info('Exporting records\n')

    dirpath = os.path.abspath(xml_dirpath)

    exported_files = set()

    if not os.path.exists(dirpath):
        LOGGER.info('Directory %s does not exist.  Creating...', dirpath)
        try:
            os.makedirs(dirpath)
        except OSError as err:
            LOGGER.exception('Could not create directory')
            raise RuntimeError('Could not create %s %s' %
                               (dirpath, err)) from err

    for record in records.all():
        identifier = \
            getattr(record,
                    context.md_core_model['mappings']['pycsw:Identifier'])

        LOGGER.info('Processing %s', identifier)

        # sanitize identifier
        identifier = util.secure_filename(identifier)
        # write to XML document
        filename = os.path.join(dirpath, '%s.xml' % identifier)
        try:
            LOGGER.info('Writing to file %s', filename)
            if hasattr(record.xml, 'decode'):
                str_xml = record.xml.decode('utf-8')
            else:
                str_xml = record.xml
            with open(filename, 'w') as xml:
                xml.write('<?xml version="1.0" encoding="UTF-8"?>\n')
                xml.write(str_xml)
        except Exception as err:
            # Something went wrong so skip over this file but log an error
            LOGGER.exception('Error writing %s to disk', filename)
            # If we wrote a partial file or created an empty file make sure it is removed
            if os.path.exists(filename):
                os.remove(filename)
            continue
        else:
            exported_files.add(filename)

    return tuple(exported_files)
Example #2
0
def export_records(context, database, table, xml_dirpath):
    """Export metadata records from database to directory of files"""
    repo = repository.Repository(database, context, table=table)

    LOGGER.info('Querying database %s, table %s ....', database, table)
    records = repo.session.query(repo.dataset)

    LOGGER.info('Found %d records\n', records.count())

    LOGGER.info('Exporting records\n')

    dirpath = os.path.abspath(xml_dirpath)

    exported_files = set()

    if not os.path.exists(dirpath):
        LOGGER.info('Directory %s does not exist.  Creating...', dirpath)
        try:
            os.makedirs(dirpath)
        except OSError as err:
            LOGGER.exception('Could not create directory')
            raise RuntimeError('Could not create %s %s' % (dirpath, err))

    for record in records.all():
        identifier = \
            getattr(record,
                    context.md_core_model['mappings']['pycsw:Identifier'])

        LOGGER.info('Processing %s', identifier)

        # sanitize identifier
        identifier = util.secure_filename(identifier)
        # write to XML document
        filename = os.path.join(dirpath, '%s.xml' % identifier)
        try:
            LOGGER.info('Writing to file %s', filename)
            if hasattr(record.xml, 'decode'):
                str_xml = record.xml.decode('utf-8')
            else:
                str_xml = record.xml
            with open(filename, 'w') as xml:
                xml.write('<?xml version="1.0" encoding="UTF-8"?>\n')
                xml.write(str_xml)
        except Exception as err:
            # Something went wrong so skip over this file but log an error
            LOGGER.exception('Error writing %s to disk', filename)
            # If we wrote a partial file or created an empty file make sure it is removed
            if os.path.exists(filename):
                os.remove(filename)
            continue
        else:
            exported_files.add(filename)

    return tuple(exported_files)