55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
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import sys
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from importlib.abc import MetaPathFinder
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from importlib.util import spec_from_file_location
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from pathlib import Path
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class GUIFinder(MetaPathFinder):
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def __init__(self, name, fallback=None):
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self._path = Path(__file__).parent.parent / name
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self._fallback_path = None
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if fallback is not None:
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self._fallback_path = Path(__file__).parent.parent / fallback
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def find_spec(self, fullname, _path, _target=None):
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if not fullname.startswith('gajim.gui'):
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return None
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_namespace, module_name = fullname.rsplit('.', 1)
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module_path = self._find_module(module_name)
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if module_path is None:
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return None
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spec = spec_from_file_location(fullname, module_path)
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return spec
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def _find_module(self, module_name):
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module_path = self._path / f'{module_name}.py'
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if module_path.exists():
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return module_path
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module_path = self._path / f'{module_name}.pyc'
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if module_path.exists():
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return module_path
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if self._fallback_path is None:
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return None
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module_path = self._fallback_path / f'{module_name}.py'
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if module_path.exists():
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return module_path
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module_path = self._fallback_path / f'{module_name}.pyc'
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if module_path.exists():
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return module_path
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return None
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def init(name, fallback=None):
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sys.meta_path.append(GUIFinder(name, fallback=fallback))
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