Remove old workarounds for Python 2.3.

src/common/xmpp_stringprep.py

@@ -21,35 +21,10 @@
 ## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
 ##
 
-import sys, warnings
-
-if sys.version_info < (2,3,2):
-	import re
-
-	class IDNA:
-		dots = re.compile(u"[\u002E\u3002\uFF0E\uFF61]")
-		def nameprep(self, label):
-			return label.lower()
-
-	idna = IDNA()
-
-	crippled = True
-
-	warnings.warn("Accented and non-Western Jabber IDs will not be properly "
-		"case-folded with this version of Python, resulting in "
-		"incorrect protocol-level behavior.  It is strongly "
-		"recommended you upgrade to Python 2.3.2 or newer if you "
-		"intend to use Twisted's Jabber support.")
-
-else:
 import stringprep
 import unicodedata
 from encodings import idna
 
-	crippled = False
-
-del sys, warnings
-
 class ILookupTable:
 	""" Interface for character lookup classes. """
 
@@ -222,20 +197,6 @@ class NamePrep:
 			raise UnicodeError, "Invalid trailing hyphen-minus"
 		return label
 
-if crippled:
-	case_map = MappingTableFromFunction(lambda c: c.lower())
-	nodeprep = Profile(mappings=[case_map],
-						normalize=False,
-						prohibiteds=[LookupTable([u' ', u'"', u'&', u"'", u'/',
-												u':', u'<', u'>', u'@'])],
-						check_unassigneds=False,
-						check_bidi=False)
-
-	resourceprep = Profile(normalize=False,
-							check_unassigneds=False,
-							check_bidi=False)
-
-else:
 C_11 = LookupTableFromFunction(stringprep.in_table_c11)
 C_12 = LookupTableFromFunction(stringprep.in_table_c12)
 C_21 = LookupTableFromFunction(stringprep.in_table_c21)