70 lines
2.6 KiB
Python
70 lines
2.6 KiB
Python
# Nemubot is a smart and modulable IM bot.
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# Copyright (C) 2012-2015 Mercier Pierre-Olivier
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from importlib.abc import Finder
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from importlib.machinery import SourceFileLoader
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import logging
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import os
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logger = logging.getLogger("nemubot.importer")
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class ModuleFinder(Finder):
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def __init__(self, modules_paths, add_module):
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self.modules_paths = modules_paths
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self.add_module = add_module
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def find_module(self, fullname, path=None):
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if path is not None and fullname.startswith("nemubot.module."):
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module_name = fullname.split(".", 2)[2]
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for mpath in self.modules_paths:
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if os.path.isfile(os.path.join(mpath, module_name + ".py")):
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return ModuleLoader(self.add_module, fullname,
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os.path.join(mpath, module_name + ".py"))
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elif os.path.isfile(os.path.join(os.path.join(mpath, module_name), "__init__.py")):
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return ModuleLoader(self.add_module, fullname,
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os.path.join(
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os.path.join(mpath, module_name),
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"__init__.py"))
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return None
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class ModuleLoader(SourceFileLoader):
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def __init__(self, add_module, fullname, path):
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self.add_module = add_module
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SourceFileLoader.__init__(self, fullname, path)
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def _load(self, module, name):
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# Add the module to the global modules list
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self.add_module(module)
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logger.info("Module '%s' successfully imported from %s.", name.split(".", 2)[2], self.path)
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return module
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# Python 3.4
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def exec_module(self, module):
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super().exec_module(module)
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self._load(module, module.__spec__.name)
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# Python 3.3
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def load_module(self, fullname):
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module = super().load_module(fullname)
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return self._load(module, module.__name__)
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