Remove code specific to Python 2.{3,4,5}.

plugins/Owner/plugin.py

@@ -35,10 +35,7 @@ import time
 import socket
 import linecache
 
-if sys.version_info >= (2, 5, 0):
-    import re as sre
-else:
-    import sre
+import re
 
 import supybot.log as log
 import supybot.conf as conf
@@ -385,8 +382,8 @@ class Owner(callbacks.Plugin):
         L = []
         if level == 'high':
             L.append(format('Regexp cache flushed: %n cleared.',
-                            (len(sre._cache), 'regexp')))
-            sre.purge()
+                            (len(re._cache), 'regexp')))
+            re.purge()
             L.append(format('Pattern cache flushed: %n cleared.',
                             (len(ircutils._patternCache), 'compiled pattern')))
             ircutils._patternCache.clear()

src/utils/__init__.py

@@ -56,44 +56,6 @@ def force(x):
         return x
 (__builtins__ if isinstance(__builtins__, dict) else __builtins__.__dict__)['force'] = force
 
-if sys.version_info < (2, 4, 0):
-    def reversed(L):
-        """Iterates through a sequence in reverse."""
-        for i in xrange(len(L) - 1, -1, -1):
-            yield L[i]
-    (__builtins__ if isinstance(__builtins__, dict) else __builtins__.__dict__)['reversed'] = reversed
-
-    def sorted(iterable, cmp=None, key=None, reversed=False):
-        L = list(iterable)
-        if key is not None:
-            assert cmp is None, 'Can\'t use both cmp and key.'
-            sortBy(key, L)
-        else:
-            L.sort(cmp)
-        if reversed:
-            L.reverse()
-        return L
-
-    (__builtins__ if isinstance(__builtins__, dict) else __builtins__.__dict__)['sorted'] = sorted
-
-    import operator
-    def itemgetter(i):
-        return lambda x: x[i]
-
-    def attrgetter(attr):
-        return lambda x: getattr(x, attr)
-    operator.itemgetter = itemgetter
-    operator.attrgetter = attrgetter
-
-    import sets
-    (__builtins__ if isinstance(__builtins__, dict) else __builtins__.__dict__)['set'] = sets.Set
-    (__builtins__ if isinstance(__builtins__, dict) else __builtins__.__dict__)['frozenset'] = sets.ImmutableSet
-
-    import socket
-    # Some socket modules don't have sslerror, so we'll just make it an error.
-    if not hasattr(socket, 'sslerror'):
-        socket.sslerror = socket.error
-
 # These imports need to happen below the block above, so things get put into
 # __builtins__ appropriately.
 from gen import *

src/utils/crypt.py

@@ -29,11 +29,7 @@
 
 import sys
 
-if sys.version_info < (2, 5, 0):
-    from md5 import md5
-    from sha import sha
-else:
-    from hashlib import md5
-    from hashlib import sha1 as sha
+from hashlib import md5
+from hashlib import sha1 as sha
 
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:

src/utils/iter.py

@@ -50,23 +50,6 @@ def trueCycle(iterable):
         if not yielded:
             raise StopIteration
 
-if sys.version_info < (2, 4, 0):
-    def groupby(key, iterable):
-        if key is None:
-            key = lambda x: x
-        it = iter(iterable)
-        value = it.next() # If there are no items, this takes an early exit
-        oldkey = key(value)
-        group = [value]
-        for value in it:
-            newkey = key(value)
-            if newkey != oldkey:
-                yield group
-                group = []
-                oldkey = newkey
-            group.append(value)
-        yield group
-
 def partition(p, iterable):
     """Partitions an iterable based on a predicate p.
     Returns a (yes,no) tuple"""

src/utils/python.py

@@ -105,14 +105,9 @@ class Synchronized(type):
 
 # Translate glob to regular expression, trimming the "match EOL" portion of
 # the regular expression.
-if sys.version_info < (2, 6, 0):
-    # Pre-2.6 just uses the $ anchor
-    def glob2re(g):
-        return fnmatch.translate(g)[:-1]
-else:
-    # Post-2.6 uses \Z(?ms) per http://issues.python.org/6665
-    def glob2re(g):
-        return fnmatch.translate(g)[:-7]
+# Post-2.6 uses \Z(?ms) per http://issues.python.org/6665
+def glob2re(g):
+    return fnmatch.translate(g)[:-7]
 
 
 # From http://code.activestate.com/recipes/52215-get-more-information-from-tracebacks/

src/utils/str.py

@@ -47,14 +47,7 @@ internationalizeFunction = _.internationalizeFunction
 
 def rsplit(s, sep=None, maxsplit=-1):
     """Equivalent to str.split, except splitting from the right."""
-    if sys.version_info < (2, 4, 0):
-        if sep is not None:
-            sep = sep[::-1]
-        L = s[::-1].split(sep, maxsplit)
-        L.reverse()
-        return [s[::-1] for s in L]
-    else:
-        return s.rsplit(sep, maxsplit)
+    return s.rsplit(sep, maxsplit)
 
 def normalizeWhitespace(s, removeNewline=True):
     """Normalizes the whitespace in a string; \s+ becomes one space."""

src/world.py

@@ -39,10 +39,7 @@ import atexit
 import threading
 import multiprocessing # python 2.6 and later!
 
-if sys.version_info >= (2, 5, 0):
-    import re as sre
-else:
-    import sre
+import re
 
 import supybot.log as log
 import supybot.conf as conf
@@ -160,7 +157,7 @@ def upkeep():
         #    registry.open(registryFilename)
     if not dying:
         if sys.version_info[0] < 3:
-            log.debug('Regexp cache size: %s', len(sre._cache))
+            log.debug('Regexp cache size: %s', len(re._cache))
         log.debug('Pattern cache size: %s', len(ircutils._patternCache))
         log.debug('HostmaskPatternEqual cache size: %s',
                   len(ircutils._hostmaskPatternEqualCache))