1 files changed, 55 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py
new file mode 100755
index 00000000..e7c11f1d
--- /dev/null
+++ b/lib/python2.7/site-packages/pip-0.8.1-py2.7.egg/pip/backwardcompat.py
@@ -0,0 +1,55 @@
+"""Stuff that isn't in some old versions of Python"""
+
+import sys
+import os
+import shutil
+
+__all__ = ['any', 'WindowsError', 'md5', 'copytree']
+
+try:
+    WindowsError = WindowsError
+except NameError:
+    WindowsError = None
+try:
+    from hashlib import md5
+except ImportError:
+    import md5 as md5_module
+    md5 = md5_module.new
+
+try:
+    from pkgutil import walk_packages
+except ImportError:
+    # let's fall back as long as we can
+    from _pkgutil import walk_packages
+
+try:
+    any = any
+except NameError:
+
+    def any(seq):
+        for item in seq:
+            if item:
+                return True
+        return False
+
+
+def copytree(src, dst):
+    if sys.version_info < (2, 5):
+        before_last_dir = os.path.dirname(dst)
+        if not os.path.exists(before_last_dir):
+            os.makedirs(before_last_dir)
+        shutil.copytree(src, dst)
+        shutil.copymode(src, dst)
+    else:
+        shutil.copytree(src, dst)
+
+
+def product(*args, **kwds):
+    # product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
+    # product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
+    pools = map(tuple, args) * kwds.get('repeat', 1)
+    result = [[]]
+    for pool in pools:
+        result = [x+[y] for x in result for y in pool]
+    for prod in result:
+        yield tuple(prod)