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More cache URL encoding weirdness from google. Fixes #1986837 [Unable to download Metadata from Amazon](https://bugs.launchpad.net/calibre/+bug/1986837)

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Kovid Goyal 2022-08-18 16:07:59 +05:30
parent c43412fb16
commit 673650170b
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1 changed files with 21 additions and 6 deletions
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27
src/calibre/ebooks/metadata/sources/search_engines.py
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@ -12,9 +12,9 @@ from contextlib import contextmanager
from threading import Lock
try:
from urllib.parse import parse_qs, quote_plus, unquote, urlencode, quote
from urllib.parse import parse_qs, quote_plus, unquote, urlencode, quote, urlparse
except ImportError:
from urlparse import parse_qs
from urlparse import parse_qs, urlparse
from urllib import quote_plus, urlencode, unquote, quote
from lxml import etree
@ -25,7 +25,7 @@ from calibre.ebooks.chardet import xml_to_unicode
from calibre.utils.lock import ExclusiveFile
from calibre.utils.random_ua import accept_header_for_ua
current_version = (1, 2, 1)
current_version = (1, 2, 2)
minimum_calibre_version = (2, 80, 0)
webcache = {}
webcache_lock = Lock()
@ -284,6 +284,16 @@ def google_get_cached_url(url, br=None, log=prints, timeout=60):
return cached_url
def canonicalize_url_for_cache_map(url):
try:
purl = urlparse(url)
except Exception:
return url
if '.amazon.' in purl.netloc:
url = url.split('&', 1)[0]
return url
def google_extract_cache_urls(raw):
if isinstance(raw, bytes):
raw = raw.decode('utf-8', 'replace')
@ -299,6 +309,7 @@ def google_extract_cache_urls(raw):
ans = {}
for m in pat.finditer(raw):
cache_url = upat.sub(urepl, m.group(1))
# print(1111111, cache_url)
# the following two are necessary for results from Portugal
cache_url = xpat.sub(urepl, cache_url)
cache_url = cache_url.replace('&', '&')
@ -310,7 +321,9 @@ def google_extract_cache_urls(raw):
seen.add(cache_id)
src_url = src_url.split('+')[0]
src_url = unquote(src_url)
ans[src_url] = cache_url
curl = canonicalize_url_for_cache_map(src_url)
# print(22222, cache_id, src_url, curl)
ans[curl] = cache_url
return ans
@ -326,8 +339,10 @@ def google_parse_results(root, raw, log=prints, ignore_uncached=True):
continue
title = tostring(a)
src_url = a.get('href')
if src_url in cache_url_map:
cached_url = cache_url_map[src_url]
# print(f'{src_url=}')
curl = canonicalize_url_for_cache_map(src_url)
if curl in cache_url_map:
cached_url = cache_url_map[curl]
else:
try:
c = div.xpath('descendant::*[@role="menuitem"]//a[@class="fl"]')[0]