[issue26313] ssl.py _load_windows_store_certs fails if windows cert store is empty

[Chi Hsuan Yen]

Chi Hsuan Yen added the comment:

The same issue is reported at https://github.com/rg3/youtube-dl/issues/8132, too. Empty Windows cert store is uncommon. The only case I found so far is on Wine. Steps to reproduce:

1. On Arch Linux x86_64, install mingw-w64-python2-bin from AUR
2. Run the following command:
$ WINEDEBUG=fixme-all PYTHONPATH=/usr/x86_64-w64-mingw32/lib/python27 wine /usr/x86_64-w64-mingw32/bin/python2.exe -c 'import ssl; ssl.create_default_context()' 
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "Z:\usr\x86_64-w64-mingw32\lib\python27\ssl.py", line 440, in create_default_context
    context.load_default_certs(purpose)
  File "Z:\usr\x86_64-w64-mingw32\lib\python27\ssl.py", line 391, in load_default_certs
    self._load_windows_store_certs(storename, purpose)
  File "Z:\usr\x86_64-w64-mingw32\lib\python27\ssl.py", line 383, in _load_windows_store_certs
    self.load_verify_locations(cadata=certs)
ValueError: Empty certificate data

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nosy: +Chi Hsuan Yen

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26313>
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