Workaround ssl errors in mingw python

Closes #1151

yt_dlp/utils.py

@@ -2373,10 +2373,17 @@ def make_HTTPS_handler(params, **kwargs):
     context.check_hostname = opts_check_certificate
     context.verify_mode = ssl.CERT_REQUIRED if opts_check_certificate else ssl.CERT_NONE
     if opts_check_certificate:
+        try:
+            context.load_default_certs()
             # Work around the issue in load_default_certs when there are bad certificates. See:
             # https://github.com/yt-dlp/yt-dlp/issues/1060,
-        # https://bugs.python.org/issue35665, https://bugs.python.org/issue4531
+            # https://bugs.python.org/issue35665, https://bugs.python.org/issue45312
-        if sys.platform == 'win32':
+        except ssl.SSLError:
+            # enum_certificates is not present in mingw python. See https://github.com/yt-dlp/yt-dlp/issues/1151
+            if sys.platform == 'win32' and hasattr(ssl, 'enum_certificates'):
+                # Create a new context to discard any certificates that were already loaded
+                context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+                context.check_hostname, context.verify_mode = True, ssl.CERT_REQUIRED
                 for storename in ('CA', 'ROOT'):
                     _ssl_load_windows_store_certs(context, storename)
             context.set_default_verify_paths()