Support Python 2.7.9 SSL

Python 2.7.9 includes a backport of the SSL module from Python 3,
which uses created an error in the test test_https_cert_error.

Bug: T78764
Change-Id: I745db16c74eddbeeb89a663170c25e3548532ca1

pywikibot/comms/http.py

@@ -44,7 +44,6 @@
 
 if sys.version_info[0] > 2:
     from ssl import SSLError as SSLHandshakeError
-    SSL_CERT_VERIFY_FAILED_MSG = "SSL: CERTIFICATE_VERIFY_FAILED"
     import queue as Queue
     import urllib.parse as urlparse
     from http import cookiejar as cookielib
@@ -55,11 +54,6 @@
     elif httplib2.__version__ == '0.6.0':
         from httplib2 import ServerNotFoundError as SSLHandshakeError
 
-    # The OpenSSL error code for
-    #   certificate verify failed
-    # cf. `openssl errstr 14090086`
-    SSL_CERT_VERIFY_FAILED_MSG = ":14090086:"
-
     import Queue
     import urlparse
     import cookielib
@@ -73,8 +67,15 @@
 from pywikibot.tools import deprecate_arg
 import pywikibot.version
 
-_logger = "comm.http"
+if sys.version_info[0] > 2 or sys.version_info[1] > 8:
+    SSL_CERT_VERIFY_FAILED_MSG = "SSL: CERTIFICATE_VERIFY_FAILED"
+else:
+    # The OpenSSL error code for
+    #   certificate verify failed
+    # cf. `openssl errstr 14090086`
+    SSL_CERT_VERIFY_FAILED_MSG = ":14090086:"
 
+_logger = "comm.http"
 
 # global variables