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- # The contents of this file are subject to the BitTorrent Open Source License
- # Version 1.0 (the License). You may not copy or use this file, in either
- # source code or executable form, except in compliance with the License. You
- # may obtain a copy of the License at http://www.bittorrent.com/license/.
- #
- # Software distributed under the License is distributed on an AS IS basis,
- # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- # for the specific language governing rights and limitations under the
- # License.
-
- from __future__ import generators
-
- import sys
- if sys.version_info < (2, 3):
- # Allow int() to create numbers larger than "small ints".
- # This is NOT SAFE if int is used as the name of the type instead
- # (as in "type(x) in (int, long)").
- int = long
-
- def enumerate(x):
- i = 0
- for y in x:
- yield (i, y)
- i += 1
-
- def sum(seq):
- r = 0
- for x in seq:
- r += x
- return r
-
- del sys
-