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Fix find_identical_books() choking on books with too many authors

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This commit is contained in:
Kovid Goyal 2012-07-14 22:35:20 +05:30
parent f1e3d2b03d
commit 6de2b80791
1 changed files with 16 additions and 1 deletions
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17
src/calibre/library/database2.py
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@ -1096,8 +1096,11 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
identical_book_ids = set([]) identical_book_ids = set([])
if mi.authors: if mi.authors:
try: try:
quathors = mi.authors[:10] # Too many authors causes parsing of
# the search expression to fail
query = u' and '.join([u'author:"=%s"'%(a.replace('"', '')) for a in query = u' and '.join([u'author:"=%s"'%(a.replace('"', '')) for a in
mi.authors]) quathors])
qauthors = mi.authors[10:]
except ValueError: except ValueError:
return identical_book_ids return identical_book_ids
try: try:
@ -1105,6 +1108,18 @@ class LibraryDatabase2(LibraryDatabase, SchemaUpgrade, CustomColumns):
except: except:
traceback.print_exc() traceback.print_exc()
return identical_book_ids return identical_book_ids
if qauthors and book_ids:
matches = set()
qauthors = {lower(x) for x in qauthors}
for book_id in book_ids:
aut = self.authors(book_id, index_is_id=True)
if aut:
aut = {lower(x.replace('|', ',')) for x in
aut.split(',')}
if aut.issuperset(qauthors):
matches.add(book_id)
book_ids = matches
for book_id in book_ids: for book_id in book_ids:
fbook_title = self.title(book_id, index_is_id=True) fbook_title = self.title(book_id, index_is_id=True)
fbook_title = fuzzy_title(fbook_title) fbook_title = fuzzy_title(fbook_title)