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Amazon metadata download: Add an option to prefer the Kindle edition when multiple book types are returned by the search (Preferences->Metadata download->Configure the Amazon plugin). Fixes #1976105 [Add option to only scrape kindle ASIN](https://bugs.launchpad.net/calibre/+bug/1976105)

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Kovid Goyal 2022-06-16 13:43:05 +05:30
parent aa3312d514
commit ab2e9a50d9
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1 changed files with 27 additions and 1 deletions
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28
src/calibre/ebooks/metadata/sources/amazon.py
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@ -27,6 +27,23 @@ from calibre.utils.random_ua import accept_header_for_ua
from calibre.ebooks.oeb.base import urlquote
def sort_matches_preferring_kindle_editions(matches):
upos_map = {url:i for i, url in enumerate(matches)}
def skey(url):
opos = upos_map[url]
parts = url.split('/')
try:
idx = parts.index('dp')
except Exception:
idx = -1
if idx < 0 or idx + 1 >= len(parts) or not parts[idx+1].startswith('B'):
return 1, opos
return 0, opos
matches.sort(key=skey)
return matches
def iri_quote_plus(url):
ans = urlquote(url)
if isinstance(ans, bytes):
@ -975,7 +992,7 @@ class Worker(Thread): # Get details {{{
class Amazon(Source):
name = 'Amazon.com'
version = (1, 2, 27)
version = (1, 2, 28)
minimum_calibre_version = (2, 82, 0)
description = _('Downloads metadata and covers from Amazon')
@ -1031,6 +1048,12 @@ class Amazon(Source):
' MOBI file came from a different Amazon country store, you could get'
' incorrect results.'
)),
Option('prefer_kindle_edition', 'bool', False, _('Prefer the Kindle edition, when available'),
_(
'When searching for a book and the search engine returns both paper and Kindle editions,'
' always prefer the Kindle edition, instead of whatever the search engine returns at the'
' top.')
),
)
def __init__(self, *args, **kwargs):
@ -1528,6 +1551,9 @@ class Amazon(Source):
log.error('No matches found with query: %r' % query)
return
if self.prefs['prefer_kindle_edition']:
matches = sort_matches_preferring_kindle_editions(matches)
workers = [Worker(
url, result_queue, br, log, i, domain, self, testing=testing, timeout=timeout,
cover_url_processor=cover_url_processor, filter_result=partial(