def find_batch_sources(owner, repository, github_auth, run_times={}):
    source_urls = list(_find_batch_source_urls(owner, repository, github_auth))
    
    # sort with the shortest known runs at the end, keeping the 9999's alphabetical.
    source_urls.sort(key=lambda su: su['path'])
    source_urls.sort(key=lambda su: (run_times.get(su['path']) or '9999'), reverse=True)
    
    for source_url in source_urls:
        _L.debug('Getting source {url}'.format(**source_url))
        try:
            more_source = get(source_url['url'], auth=github_auth).json()
        except ConnectionError:
            _L.info('Retrying to download {url}'.format(**source))
            try:
                sleep(GITHUB_RETRY_DELAY.seconds + GITHUB_RETRY_DELAY.days * 86400)
                more_source = get(source_url['url'], auth=github_auth).json()
            except ConnectionError:
                _L.error('Failed to download {url}'.format(**source_url))
                raise

        source = dict(content=more_source['content'])
        source.update(source_url)
        
        yield source
Testing valid OGR Data Source Drivers.
dataset/ETHPy150Open openaddresses/machine/openaddr/ci/__init__.py/find_batch_sources--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/contrib/gis/gdal/tests/test_driver.py/DriverTest.test01_valid_driver