Mercurial > hg
view mercurial/policy.py @ 29354:af849596752c
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author | liscju <piotr.listkiewicz@gmail.com> |
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date | Mon, 13 Jun 2016 23:50:26 +0200 |
parents | b3a677c82a35 |
children | b4d117cee636 |
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# policy.py - module policy logic for Mercurial. # # Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import os import sys # Rules for how modules can be loaded. Values are: # # c - require C extensions # allow - allow pure Python implementation when C loading fails # py - only load pure Python modules # # By default, require the C extensions for performance reasons. policy = 'c' try: from . import __modulepolicy__ policy = __modulepolicy__.modulepolicy except ImportError: pass # PyPy doesn't load C extensions. # # The canonical way to do this is to test platform.python_implementation(). # But we don't import platform and don't bloat for it here. if '__pypy__' in sys.builtin_module_names: policy = 'py' # Our C extensions aren't yet compatible with Python 3. So use pure Python # on Python 3 for now. if sys.version_info[0] >= 3: policy = 'py' # Environment variable can always force settings. policy = os.environ.get('HGMODULEPOLICY', policy)