Clean up Python 3.2 compatibility cruft.

qutebrowser/utils/misc.py

@@ -183,16 +183,7 @@ def shell_escape(s):
         # black magic Microshit is doing here.
         return s
     else:
-        # Backported from python's shlex because that's only available since
-        # 3.3 and we might want to support 3.2.
-        find_unsafe = re.compile(r'[^\w@%+=:,./-]', re.ASCII).search
-        if not s:
-            return "''"
-        if find_unsafe(s) is None:
-            return s
-        # use single quotes, and put single quotes into double quotes
-        # the string $'b is then quoted as '$'"'"'b'
-        return "'" + s.replace("'", "'\"'\"'") + "'"
+        return shlex.quote(s)
 
 
 def pastebin(text):

qutebrowser/utils/usertypes.py

@@ -36,7 +36,7 @@ def enum(*items, start=0):
     """Factory for simple enumerations.
 
     We really don't need more complex things here, so we don't use python3.4's
-    enum, because we'd have to backport things to 3.3 and maybe even 3.2.
+    enum, because we'd have to backport things to 3.3.
 
     Based on: http://stackoverflow.com/a/1695250/2085149
 

scripts/setupcommon.py

@@ -108,7 +108,6 @@ setupdata = {
         'Operating System :: Microsoft :: Windows :: Windows 7',
         'Operating System :: POSIX :: Linux',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.2',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Topic :: Internet',