I'd like to submit patch to support zip archives created on systems that use non-US codepage (e.g. russian CP866).
Codepage would be specified in additional parameter of ZipFile constructor, named "codepage".
If it is not specified, old behavior is preserved (use CP437).

--- zipfile.py-orig     2013-09-18 16:45:56.000000000 +0400
+++ zipfile.py  2013-10-15 00:24:06.105157572 +0400
@@ -885,7 +885,7 @@
     fp = None                   # Set here since __del__ checks it
     _windows_illegal_name_trans_table = None

-    def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=False):
+    def __init__(self, file, mode="r", compression=ZIP_STORED, allowZip64=False, codepage='cp437'):
         """Open the ZIP file with mode read "r", write "w" or append "a"."""
         if mode not in ("r", "w", "a"):
             raise RuntimeError('ZipFile() requires mode "r", "w", or "a"')
@@ -901,6 +901,7 @@
         self.mode = key = mode.replace('b', '')[0]
         self.pwd = None
         self._comment = b''
+        self.codepage = codepage

         # Check if we were passed a file-like object
         if isinstance(file, str):
@@ -1002,7 +1003,7 @@
                 filename = filename.decode('utf-8')
             else:
                 # Historical ZIP filename encoding
-                filename = filename.decode('cp437')
+                filename = filename.decode(self.codepage)
             # Create ZipInfo instance to store file information
             x = ZipInfo(filename)
             x.extra = fp.read(centdir[_CD_EXTRA_FIELD_LENGTH])
@@ -1157,7 +1158,7 @@
                 # UTF-8 filename
                 fname_str = fname.decode("utf-8")
             else:
-                fname_str = fname.decode("cp437")
+                fname_str = fname.decode(self.codepage)

             if fname_str != zinfo.orig_filename:
                 raise BadZipFile(