55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
import logging
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from datetime import datetime
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from StringIO import StringIO
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from regluit.core.facets import BaseFacet
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from regluit.core.models import Work
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from regluit.api.onix import onix_feed
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from .models import Target
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logger = logging.getLogger(__name__)
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def push_books(target, start=datetime(1900,1,1), end=datetime(2100,1,1),max=0):
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"""given a list of books this task will push the books, metadata and covers to the target
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"""
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facet_class = get_target_facet(target, start=start, end=end,max=max)
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for book in facet_class.works:
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target.push(book)
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logger.info(u'{} pushed to {}'.format(book, target))
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def get_target_facet(target, start=datetime(1900,1,1), end=datetime(2100,1,1),max=0):
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formats = [ format.name for format in target.formats.all() ]
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def format_filter(query_set):
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return query_set.filter(format__in=formats)
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def edition_format_filter(query_set):
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return query_set.filter(ebooks__format__in=formats)
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class TargetFacet(BaseFacet):
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def __init__(self):
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self.facet_object = self
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works = Work.objects.filter(
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editions__ebooks__created__lt = end,
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editions__ebooks__created__gt = start,
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identifiers__type="isbn",
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editions__ebooks__format__in = formats,
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editions__ebooks__provider__in = ('Internet Archive', 'Unglue.it', 'Github', 'OAPEN Library'),
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).distinct().order_by('-featured')
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if max > 0 :
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self.works = works[0:max]
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else:
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self.works = works
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model_filters = {"Ebook": format_filter, "Edition": edition_format_filter}
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outer_facet = None
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title = u"Free Ebooks curated by Unglue.it"
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description = "Unglue.it eBooks for {} distribution.".format( target.name )
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return TargetFacet()
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def push_onix(target, start=datetime(1900,1,1), end=datetime(2100,1,1),max=0):
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facet_class = get_target_facet(target, start=start, end=end,max=max)
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target.push_file('unglueit_onix_{:%Y%m%d}.xml'.format(datetime.now()),StringIO(onix_feed(facet_class))) |