def preview_from_xml(request):
from hashlib import sha1
from PIL import Image
from os import makedirs
from lxml import etree
from librarian.cover import DefaultEbookCover
from librarian.dcparser import BookInfo
xml = request.POST['xml']
try:
info = BookInfo.from_string(xml.encode('utf-8'))
except:
return HttpResponse(os.path.join(settings.STATIC_URL, "img/sample_cover.png"))
coverid = sha1(etree.tostring(info.to_etree())).hexdigest()
cover = DefaultEbookCover(info)
cover_dir = 'cover/preview'
try:
makedirs(os.path.join(settings.MEDIA_ROOT, cover_dir))
except OSError:
pass
fname = os.path.join(cover_dir, "%s.%s" % (coverid, cover.ext()))
image = cover.image().resize(PREVIEW_SIZE, Image.ANTIALIAS)
image.save(os.path.join(settings.MEDIA_ROOT, fname))
return HttpResponse(os.path.join(settings.MEDIA_URL, fname))
def preview(request, book, chunk=None, rev=None):
"""Creates a cover image.
If chunk and rev number are given, use version from given revision.
If rev is not given, use publishable version.
"""
from PIL import Image
from librarian.cover import DefaultEbookCover
from librarian.dcparser import BookInfo
chunk = Chunk.get(book, chunk)
if rev is not None:
try:
revision = chunk.at_revision(rev)
except Chunk.change_model.DoesNotExist:
raise Http404
else:
revision = chunk.publishable()
if revision is None:
raise Http404
xml = revision.materialize().encode('utf-8')
try:
info = BookInfo.from_string(xml)
except:
return HttpResponseRedirect(os.path.join(settings.STATIC_URL, "img/sample_cover.png"))
cover = DefaultEbookCover(info)
response = HttpResponse(mimetype=cover.mime_type())
image = cover.image().resize(PREVIEW_SIZE, Image.ANTIALIAS)
image.save(response, cover.format)
return response
def book_info(self, publishable=True):
try:
book_xml = self.materialize(publishable=publishable)
except self.NoTextError:
pass
else:
from librarian.dcparser import BookInfo
from librarian import NoDublinCore, ParseError, ValidationError
try:
return BookInfo.from_string(book_xml.encode('utf-8'))
except (self.NoTextError, ParseError, NoDublinCore, ValidationError):
return None
def handle(self, *args, **options):
self.style = color_style()
verbose = options.get('verbose')
# Start transaction management.
transaction.enter_transaction_management()
if verbose:
print 'Reading currently managed files (skipping hidden ones).'
slugs = defaultdict(list)
for b in Book.objects.exclude(slug__startswith='.').all():
if verbose:
print b.slug
text = b.materialize().encode('utf-8')
try:
info = BookInfo.from_string(text)
except (ParseError, ValidationError):
pass
else:
slugs[info.slug].append(b)
book_count = 0
commit_args = {
"author_name": 'Platforma',
"description": 'Automatycznie zaimportowane z Wolnych Lektur',
"publishable": True,
}
if verbose:
print 'Opening books list'
for book in json.load(urllib2.urlopen(WL_API)):
book_detail = json.load(urllib2.urlopen(book['href']))
xml_text = urllib2.urlopen(book_detail['xml']).read()
info = BookInfo.from_string(xml_text)
previous_books = slugs.get(info.slug)
if previous_books:
if len(previous_books) > 1:
print self.style.ERROR("There is more than one book "
"with slug %s:"),
previous_book = previous_books[0]
comm = previous_book.slug
else:
previous_book = None
comm = '*'
print book_count, info.slug , '-->', comm
Book.import_xml_text(xml_text, title=info.title[:255],
slug=info.slug[:128], previous_book=previous_book,
commit_args=commit_args)
book_count += 1
# Print results
print
print "Results:"
print "Imported %d books from WL:" % (
book_count, )
print
transaction.commit()
transaction.leave_transaction_management()
"""
from StringIO import StringIO
from urllib2 import urlopen
from zipfile import ZipFile
from librarian.dcparser import BookInfo
from librarian import text
from lesmianator import Lesmianator
XML_FILES = "http://www.wolnelektury.pl/media/packs/xml-all.zip"
if __name__ == '__main__':
poet = Lesmianator()
xml_zip = ZipFile(StringIO(urlopen(XML_FILES).read()))
for filename in xml_zip.namelist():
print filename
info = BookInfo.from_file(xml_zip.open(filename))
if u'Wiersz' in info.genres:
output = StringIO()
text.transform(xml_zip.open(filename), output, False, ('raw-text',))
poet.add_text(output.getvalue())
poet.save()