diff -r 9513afbd57f1 -r 744cd0b4b8cd DebugClients/Python/coverage/backward.py
--- a/DebugClients/Python/coverage/backward.py Thu Jan 07 13:42:05 2010 +0000
+++ b/DebugClients/Python/coverage/backward.py Thu Jan 07 13:42:51 2010 +0000
@@ -1,15 +1,17 @@
"""Add things to old Pythons so I can pretend they are newer."""
-# pylint: disable-msg=W0622
-# (Redefining built-in blah)
-# The whole point of this file is to redefine built-ins, so shut up about it.
+# This file does lots of tricky stuff, so disable a bunch of lintisms.
+# pylint: disable-msg=F0401,W0611,W0622
+# F0401: Unable to import blah
+# W0611: Unused import blah
+# W0622: Redefining built-in blah
+import os, sys
# Python 2.3 doesn't have `set`
try:
set = set # new in 2.4
except NameError:
- # (Redefining built-in 'set')
from sets import Set as set
@@ -22,3 +24,49 @@
lst = list(iterable)
lst.sort()
return lst
+
+# Pythons 2 and 3 differ on where to get StringIO
+
+try:
+ from cStringIO import StringIO
+ BytesIO = StringIO
+except ImportError:
+ from io import StringIO, BytesIO
+
+# What's a string called?
+
+try:
+ string_class = basestring
+except NameError:
+ string_class = str
+
+# Where do pickles come from?
+
+try:
+ import cPickle as pickle
+except ImportError:
+ import pickle
+
+# range or xrange?
+
+try:
+ range = xrange
+except NameError:
+ range = range
+
+# Exec is a statement in Py2, a function in Py3
+
+if sys.hexversion > 0x03000000:
+ def exec_function(source, filename, global_map):
+ """A wrapper around exec()."""
+ exec(compile(source, filename, "exec"), global_map)
+else:
+ # OK, this is pretty gross. In Py2, exec was a statement, but that will
+ # be a syntax error if we try to put it in a Py3 file, even if it is never
+ # executed. So hide it inside an evaluated string literal instead.
+ eval(compile("""\
+def exec_function(source, filename, global_map):
+ exec compile(source, filename, "exec") in global_map
+""",
+ "<exec_function>", "exec"
+ ))
