I tried to download metadata for a book (Slouch Witch (The Lazy Girl's Guide To Magic Book 1)) and it failed with the following diagnostic report:
calibre, version 3.7.0
ERROR: No matches found: <p>Failed to find any books that match your search. Try making the search <b>less specific</b>. For example, use only the author's last name and a single distinctive word from the title.<p>To see the full log, click "Show details".
Running identify query with parameters:
{u'timeout': 30, u'title': u"Slouch Witch (The Lazy Girl's Guide To Magic Book 1)", u'identifiers': {u'mobi-asin': u'B06XQ1WHJL'}, u'authors': [u'Helen Harper']}
Using plugins: Google (1, 0, 0), Amazon.com (1, 2, 0)
The log from individual plugins is below
****************************** Amazon.com (1, 2, 0) ******************************
Found 0 results
Downloading from Amazon.com took 0.478999853134
User-agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:51.0) Gecko/20100101 Firefox/51.0
Server: auto
Making google query:
https://www.google.com/search?q=Slou...www.amazon.com
Plugin Amazon.com failed
Traceback (most recent call last):
File "site-packages\calibre\ebooks\metadata\sources\identify. py", line 48, in run
File "site-packages\calibre\ebooks\metadata\sources\amazon.py ", line 1342, in identify
File "site-packages\calibre\ebooks\metadata\sources\amazon.py ", line 1278, in search_search_engine
File "site-packages\calibre\ebooks\metadata\sources\search_en gines.py", line 230, in google_search
File "site-packages\calibre\ebooks\metadata\sources\search_en gines.py", line 65, in query
File "site-packages\mechanize\_mechanize.py", line 239, in open_novisit
File "site-packages\mechanize\_mechanize.py", line 284, in _mech_open
File "site-packages\mechanize\_opener.py", line 195, in open
File "site-packages\mechanize\_urllib2_fork.py", line 352, in _open
File "site-packages\mechanize\_urllib2_fork.py", line 340, in _call_chain
File "site-packages\calibre\utils\browser.py", line 28, in https_open
File "site-packages\mechanize\_urllib2_fork.py", line 1160, in do_open
URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>
************************************************** ********
The identify phase took 2.00 seconds
The longest time (1.901000) was taken by: Google
Merging results from different sources and finding earliest publication dates from the worldcat.org service
We have 0 merged results, merging took: 0.00 seconds
Any ideas?