66 lines
1.6 KiB
Python
66 lines
1.6 KiB
Python
'''
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Some backwards compatibility stuff/deprecation helpers
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'''
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from types import ModuleType
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from . import warnings
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from .common import LazyLogger
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logger = LazyLogger('my.core.compat')
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def pre_pip_dal_handler(
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name: str,
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e: ModuleNotFoundError,
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cfg,
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requires=[],
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) -> ModuleType:
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'''
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https://github.com/karlicoss/HPI/issues/79
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'''
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if e.name != name:
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# the module itself was imported, so the problem is with some dependencies
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raise e
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try:
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dal = _get_dal(cfg, name)
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warnings.high(f'''
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Specifying modules' dependencies in the config or in my/config/repos is deprecated!
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Please install {' '.join(requires)} as PIP packages (see the corresponding README instructions).
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'''.strip(), stacklevel=2)
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except ModuleNotFoundError as ee:
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dal = None
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if dal is None:
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# probably means there was nothing in the old config in the first place
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# so we should raise the original exception
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raise e
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return dal
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def _get_dal(cfg, module_name: str):
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mpath = getattr(cfg, module_name, None)
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if mpath is not None:
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from .common import import_dir
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return import_dir(mpath, '.dal')
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else:
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from importlib import import_module
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return import_module(f'my.config.repos.{module_name}.dal')
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import sys
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from typing import TYPE_CHECKING
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if sys.version_info[:2] >= (3, 8):
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from typing import Literal
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else:
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if TYPE_CHECKING:
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from typing_extensions import Literal
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else:
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from typing import Union
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# erm.. I guess as long as it's not crashing, whatever...
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Literal = Union
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import os
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windows = os.name == 'nt'
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