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Google metadata download: Fix metadata not being found when the title of the book includes a sub-title
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Kovid Goyal
parent
329cfcd61c
commit
c31ff8f30e
@ -5,7 +5,6 @@ from __future__ import absolute_import, division, print_function, unicode_litera
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import hashlib
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import time
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from functools import partial
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from Queue import Empty, Queue
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from calibre import as_unicode
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@ -41,9 +40,19 @@ def get_details(browser, url, timeout): # {{{
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# }}}
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xpath_cache = {}
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def XPath(x):
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ans = xpath_cache.get(x)
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if ans is None:
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from lxml import etree
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ans = xpath_cache[x] = etree.XPath(x, namespaces=NAMESPACES)
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return ans
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def to_metadata(browser, log, entry_, timeout): # {{{
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from lxml import etree
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XPath = partial(etree.XPath, namespaces=NAMESPACES)
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# total_results = XPath('//openSearch:totalResults')
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# start_index = XPath('//openSearch:startIndex')
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@ -58,7 +67,6 @@ def to_metadata(browser, log, entry_, timeout): # {{{
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subject = XPath('descendant::dc:subject')
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description = XPath('descendant::dc:description')
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language = XPath('descendant::dc:language')
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rating = XPath('descendant::gd:rating[@average]')
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# print(etree.tostring(entry_, pretty_print=True))
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def get_text(extra, x):
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@ -138,15 +146,6 @@ def to_metadata(browser, log, entry_, timeout): # {{{
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except:
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log.error('Failed to parse pubdate %r' % pubdate)
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# Ratings
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for x in rating(extra):
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try:
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mi.rating = float(x.get('average'))
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if mi.rating > 5:
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mi.rating /= 2
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except:
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log.exception('Failed to parse rating')
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# Cover
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mi.has_google_cover = None
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for x in extra.xpath(
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@ -178,7 +177,8 @@ class GoogleBooks(Source):
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GOOGLE_COVER = 'https://books.google.com/books?id=%s&printsec=frontcover&img=1'
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DUMMY_IMAGE_MD5 = frozenset({'0de4383ebad0adad5eeb8975cd796657', 'a64fa89d7ebc97075c1d363fc5fea71f'})
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DUMMY_IMAGE_MD5 = frozenset(
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{'0de4383ebad0adad5eeb8975cd796657', 'a64fa89d7ebc97075c1d363fc5fea71f'})
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def get_book_url(self, identifiers): # {{{
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goog = identifiers.get('google', None)
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@ -202,7 +202,8 @@ class GoogleBooks(Source):
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title_tokens = list(self.get_title_tokens(title))
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if title_tokens:
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q += build_term('title', title_tokens)
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author_tokens = self.get_author_tokens(authors, only_first_author=True)
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author_tokens = self.get_author_tokens(
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authors, only_first_author=True)
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if author_tokens:
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q += ('+' if q else '') + build_term('author', author_tokens)
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@ -322,7 +323,8 @@ class GoogleBooks(Source):
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result_queue.put(ans)
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except:
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log.exception(
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'Failed to get metadata for identify entry:', etree.tostring(i)
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'Failed to get metadata for identify entry:', etree.tostring(
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i)
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)
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if abort.is_set():
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break
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@ -340,7 +342,6 @@ class GoogleBooks(Source):
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timeout=30
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):
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from lxml import etree
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XPath = partial(etree.XPath, namespaces=NAMESPACES)
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entry = XPath('//atom:entry')
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query = self.create_query(
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@ -350,7 +351,7 @@ class GoogleBooks(Source):
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log.error('Insufficient metadata to construct query')
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return
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br = self.browser
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self.log('Making query:', query)
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log('Making query:', query)
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try:
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raw = br.open_novisit(query, timeout=timeout).read()
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except Exception as e:
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@ -360,7 +361,8 @@ class GoogleBooks(Source):
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try:
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parser = etree.XMLParser(recover=True, no_network=True)
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feed = etree.fromstring(
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xml_to_unicode(clean_ascii_chars(raw), strip_encoding_pats=True)[0],
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xml_to_unicode(clean_ascii_chars(
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raw), strip_encoding_pats=True)[0],
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parser=parser
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)
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entries = entry(feed)
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@ -368,8 +370,21 @@ class GoogleBooks(Source):
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log.exception('Failed to parse identify results')
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return as_unicode(e)
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if not entries and identifiers and title and authors and \
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not abort.is_set():
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if not entries and title and not abort.is_set():
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if identifiers:
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log('No results found, retrying without identifiers')
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return self.identify(
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log,
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result_queue,
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abort,
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title=title,
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authors=authors,
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timeout=timeout
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)
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if ':' in title:
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title = title.partition(':')[0]
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if title:
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log('No results found, retrying without sub-title')
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return self.identify(
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log,
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result_queue,
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@ -387,12 +402,12 @@ class GoogleBooks(Source):
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if __name__ == '__main__': # tests {{{
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# To run these test use: calibre-debug src/calibre/ebooks/metadata/sources/google.py
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# To run these test use: calibre-debug
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# src/calibre/ebooks/metadata/sources/google.py
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from calibre.ebooks.metadata.sources.test import (
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test_identify_plugin, title_test, authors_test
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)
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test_identify_plugin(
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GoogleBooks.name, [
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tests = [
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({
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'identifiers': {
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'isbn': '0743273567'
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@ -402,12 +417,21 @@ if __name__ == '__main__': # tests {{{
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}, [
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title_test('The great gatsby', exact=True),
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authors_test(['F. Scott Fitzgerald'])
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]),
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]
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),
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({
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'title': 'Flatland',
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'authors': ['Abbott']
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}, [title_test('Flatland', exact=False)]),
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]
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}, [title_test('Flatland', exact=False)]
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),
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({
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'title': 'The Blood Red Indian Summer: A Berger and Mitry Mystery',
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'authors': ['David Handler'],
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}, [title_test('The Blood Red Indian Summer: A Berger and Mitry Mystery')]
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)
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]
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test_identify_plugin(GoogleBooks.name, tests[:])
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# }}}
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