<commit_before># encoding: utf-8
"""Harvest records from an OAI-PMH provider.

positional arguments:
  provider              OAI-PMH Provider from which to harvest.

optional arguments:
  -h, --help            show this help message and exit
  -p METADATAPREFIX, --metadataPrefix METADATAPREFIX
                        where to output files for harvested records. default
                        is current working path
  -f YYYY-MM-DD, --from YYYY-MM-DD
                        harvest only records added/modified after this date.
  -u YYYY-MM-DD, --until YYYY-MM-DD
                        harvest only records added/modified up to this date.
  -d DIR, --dir DIR     where to output files for harvested records.default:
                        current working path

Copyright © 2013, the University of Liverpool <http://www.liv.ac.uk>.
All rights reserved.

Distributed under the terms of the BSD 3-clause License
<http://opensource.org/licenses/BSD-3-Clause>.
"""

import logging
import os
import sys

from argparse import ArgumentParser

from oaipmh.client import Client
from oaipmh.metadata import MetadataRegistry, oai_dc_reader

from metadata import DefaultingMetadataRegistry, XMLMetadataReader


class OAIHarvester(object):

    def __init__(self, mdRegistry):
        self._mdRegistry = mdRegistry
    
    def _listRecords(self, baseUrl, metadataPrefix="oai_dc", **kwargs):
        # Add metatdataPrefix to args
        kwargs['metadataPrefix'] = metadataPrefix
        client = Client(baseUrl, metadata_registry)
        for record in client.listRecords(**kwargs):
            yield record

    def harvest(self, baseUrl, metadataPrefix, **kwargs):
        "Harvest records"
        raise NotImplementedError("{0.__class__.__name__} must be sub-classed")


class DirectoryOAIHarvester(OAIHarvester):
    
    def __init__(self, mdRegistry, directory):
        OAIHarvester.__init__(self, mdRegistry)
        self._dir = directory

    def harvest(self, baseUrl, metadataPrefix, **kwargs):
        logger = logging.getLogger(__name__).getChild(self.__class__.__name__)
        for header, metadata, about in self._listRecords(
                 baseUrl,
                 metadataPrefix=metadataPrefix,
                 **kwargs):
            fp =  os.path.join(self._dir,
                               "{0}.{1}.xml".format(header.identifier(),
                                                    metadataPrefix)
                               )
            logger.debug('Writing to file {0}'.format(fp))
            with open(fp, 'w') as fh:
                fh.write(metadata)


def main(argv=None):
    '''Command line options.'''
    global argparser, metadata_registry
    if argv is None:
        args = argparser.parse_args()
    else:
        args = argparser.parse_args(argv)
    if args.dir:
        harvester = DirectoryOAIHarvester(metadata_registry,
                                          os.path.abspath(args.dir))
    logger = logging.getLogger(__name__).getChild('main')
    for provider in args.provider:
        logger.info('Harvesting from {0}'.format(provider))
        mdp = args.metadataPrefix
        if not provider.startswith('http://'):
            # Fetch configuration from persistent storage
            # Do not allow over-ride of default metadataPrefix
            logger.critical('Named providers not yet implemented')<commit_msg>fixup logging add commit<commit_after># encoding: utf-8
"""Harvest records from an OAI-PMH provider.

positional arguments:
  provider              OAI-PMH Provider from which to harvest.

optional arguments:
  -h, --help            show this help message and exit
  -p METADATAPREFIX, --metadataPrefix METADATAPREFIX
                        where to output files for harvested records. default
                        is current working path
  -f YYYY-MM-DD, --from YYYY-MM-DD
                        harvest only records added/modified after this date.
  -u YYYY-MM-DD, --until YYYY-MM-DD
                        harvest only records added/modified up to this date.
  -d DIR, --dir DIR     where to output files for harvested records.default:
                        current working path

Copyright © 2013, the University of Liverpool <http://www.liv.ac.uk>.
All rights reserved.

Distributed under the terms of the BSD 3-clause License
<http://opensource.org/licenses/BSD-3-Clause>.
"""

import logging
import os
import sys

from argparse import ArgumentParser

from oaipmh.client import Client
from oaipmh.metadata import MetadataRegistry, oai_dc_reader

from metadata import DefaultingMetadataRegistry, XMLMetadataReader


class OAIHarvester(object):

    def __init__(self, mdRegistry):
        self._mdRegistry = mdRegistry
    
    def _listRecords(self, baseUrl, metadataPrefix="oai_dc", **kwargs):
        # Add metatdataPrefix to args
        kwargs['metadataPrefix'] = metadataPrefix
        client = Client(baseUrl, metadata_registry)
        for record in client.listRecords(**kwargs):
            yield record

    def harvest(self, baseUrl, metadataPrefix, **kwargs):
        "Harvest records"
        raise NotImplementedError("{0.__class__.__name__} must be sub-classed")


class DirectoryOAIHarvester(OAIHarvester):
    
    def __init__(self, mdRegistry, directory):
        OAIHarvester.__init__(self, mdRegistry)
        self._dir = directory

    def harvest(self, baseUrl, metadataPrefix, **kwargs):
        logger = logging.getLogger(__name__).getChild(self.__class__.__name__)
        for header, metadata, about in self._listRecords(
                 baseUrl,
                 metadataPrefix=metadataPrefix,
                 **kwargs):
            fp =  os.path.join(self._dir,
                               "{0}.{1}.xml".format(header.identifier(),
                                                    metadataPrefix)
                               )
            logger.debug('Writing to file {0}'.format(fp))
            with open(fp, 'w') as fh:
                fh.write(metadata)


def main(argv=None):
    '''Command line options.'''
    global argparser, metadata_registry
    if argv is None:
        args = argparser.parse_args()
    else:
        args = argparser.parse_args(argv)
    if args.dir:
        harvester = DirectoryOAIHarvester(metadata_registry,
                                          os.path.abspath(args.dir))
    logger = logging.getLogger(__name__).getChild('main')
    for provider in args.provider:
        logger.info('Harvesting from {0}'.format(provider))
        mdp = args.metadataPrefix
        if not provider.startswith('http://'):
            # Fetch configuration from persistent storage
            # Allow over-ride of default metadataPrefix
            logger.critical('Named providers not yet implemented')
{'fraction_non_alphanumeric': 0.08649289099526067, 'fraction_numerical': 0.0035545023696682463, 'mean_word_length': 2.2311004784688997, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 2}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 8, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '315068', 'n_tokens_mistral': 1809, 'n_tokens_neox': 1742, 'n_words': 516}