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Cleanup previous PR

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We don't want an quadratic algorithm for author lookups. Also contains
searches have too large a chance of false positives. So check individual
authors one by one for a match rather than doing contains searches.
This commit is contained in:
Kovid Goyal 2024-06-23 21:09:18 +05:30
parent aa4c720c48
commit da197459ec
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1 changed files with 20 additions and 35 deletions
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55
src/calibre/gui2/device.py
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@ -1908,23 +1908,6 @@ class DeviceMixin: # {{{
if get_covers and desired_thumbnail_height != 0:
self.update_thumbnail(book)
def extract_id_from_dict(author_to_look_for, target_dict):
'''
Extracts id from dict with full match by author or partial match for cases when
book has multiple authors.
'''
debug_print('Trying to extract id for author:', author_to_look_for, ' in:', target_dict)
if author_to_look_for in target_dict:
return target_dict[book_authors]
else:
# for cases when multiple authors like: Author A & Author B => 'authoraauthorb' need to match 'authorb'
for author in target_dict:
if author_to_look_for in author:
return target_dict[author]
debug_print('Id is not extracted!')
return None
def updateq(id_, book):
try:
if not update_metadata:
@ -1952,6 +1935,21 @@ class DeviceMixin: # {{{
except:
return True
def get_by_author(book, d, author):
book_id = d['authors'].get(author)
if book_id is not None:
book.in_library = 'AUTHOR'
book.application_id = book_id
update_book(book_id, book)
return True
book_id = d['author_sort'].get(author)
if book_id is not None:
book.in_library = 'AUTH_SORT'
book.application_id = book_id
update_book(book_id, book)
return True
return False
# Now iterate through all the books on the device, setting the
# in_library field. If the UUID matches a book in the library, then
# do not consider that book for other matching. In all cases set
@ -2024,24 +2022,11 @@ class DeviceMixin: # {{{
if book.authors:
# Compare against both author and author sort, because
# either can appear as the author
book_authors = clean_string(authors_to_string(book.authors))
extracted_id = None
authors_id = extract_id_from_dict(book_authors, d['authors'])
if authors_id is not None:
extracted_id = authors_id
book.in_library = 'AUTHOR'
else:
author_sort_id = extract_id_from_dict(book_authors, d['author_sort'])
if author_sort_id is not None:
extracted_id = author_sort_id
book.in_library = 'AUTH_SORT'
update_book(extracted_id, book)
book.application_id = extracted_id
if extracted_id is None:
debug_print('No author match for a book:\n', book)
all_book_authors = clean_string(authors_to_string(book.authors))
if not get_by_author(book, d, all_book_authors):
for author in book.authors:
if get_by_author(book, d, clean_string(author)):
break
else:
# Book definitely not matched. Clear its application ID
book.application_id = None