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#
# Copyright (C) 2017 FreeIPA Contributors see COPYING for license
#
from __future__ import absolute_import
import importlib
import sys
from ipaplatform.osinfo import osinfo
class IpaMetaImporter:
modules = {
'ipaplatform.constants',
'ipaplatform.paths',
'ipaplatform.services',
'ipaplatform.tasks'
}
def __init__(self, platform):
self.platform = platform
def find_module(self, fullname, path=None):
"""Meta importer hook"""
if fullname in self.modules:
return self
return None
def load_module(self, fullname):
"""Meta importer hook"""
suffix = fullname.split('.', 1)[1]
alias = 'ipaplatform.{}.{}'.format(self.platform, suffix)
platform_mod = importlib.import_module(alias)
base_mod = sys.modules.get(fullname)
if base_mod is not None:
# module has been imported before, update its __dict__
base_mod.__dict__.update(platform_mod.__dict__)
for key in list(base_mod.__dict__):
if not hasattr(platform_mod, key):
delattr(base_mod, key)
else:
sys.modules[fullname] = platform_mod
return platform_mod
metaimporter = IpaMetaImporter(osinfo.platform)
sys.meta_path.insert(0, metaimporter)
fixup_module = metaimporter.load_module
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