Old engine for Continuous Time Bayesian Networks. Superseded by reCTBN. 🐍
https://github.com/madlabunimib/PyCTBN
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108 lines
3.4 KiB
108 lines
3.4 KiB
4 years ago
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"""
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This module houses a utility class for mocking deprecated modules.
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It is for internal use only and should not be used beyond this purpose.
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"""
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import importlib
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from typing import Iterable
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import warnings
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class _DeprecatedModule:
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"""
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Class for mocking deprecated modules.
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Parameters
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----------
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deprmod : name of module to be deprecated.
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deprmodto : name of module as a replacement, optional.
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If not given, the __module__ attribute will
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be used when needed.
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removals : objects or methods in module that will no longer be
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accessible once module is removed.
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moved : dict, optional
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dictionary of function name -> new location for moved
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objects
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"""
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def __init__(self, deprmod, deprmodto=None, removals=None, moved=None):
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self.deprmod = deprmod
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self.deprmodto = deprmodto
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self.removals = removals
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if self.removals is not None:
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self.removals = frozenset(self.removals)
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self.moved = moved
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# For introspection purposes.
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self.self_dir = frozenset(dir(type(self)))
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def __dir__(self) -> Iterable[str]:
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deprmodule = self._import_deprmod()
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return dir(deprmodule)
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def __repr__(self) -> str:
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deprmodule = self._import_deprmod()
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return repr(deprmodule)
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__str__ = __repr__
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def __getattr__(self, name: str):
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if name in self.self_dir:
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return object.__getattribute__(self, name)
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try:
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deprmodule = self._import_deprmod(self.deprmod)
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except ImportError:
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if self.deprmodto is None:
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raise
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# a rename
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deprmodule = self._import_deprmod(self.deprmodto)
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obj = getattr(deprmodule, name)
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if self.removals is not None and name in self.removals:
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warnings.warn(
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f"{self.deprmod}.{name} is deprecated and will be removed in "
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"a future version.",
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FutureWarning,
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stacklevel=2,
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)
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elif self.moved is not None and name in self.moved:
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warnings.warn(
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f"{self.deprmod} is deprecated and will be removed in "
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f"a future version.\nYou can access {name} as {self.moved[name]}",
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FutureWarning,
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stacklevel=2,
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)
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else:
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deprmodto = self.deprmodto
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if deprmodto is False:
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warnings.warn(
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f"{self.deprmod}.{name} is deprecated and will be removed in "
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"a future version.",
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FutureWarning,
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stacklevel=2,
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)
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else:
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if deprmodto is None:
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deprmodto = obj.__module__
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# The object is actually located in another module.
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warnings.warn(
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f"{self.deprmod}.{name} is deprecated. Please use "
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f"{deprmodto}.{name} instead.",
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FutureWarning,
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stacklevel=2,
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)
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return obj
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def _import_deprmod(self, mod=None):
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if mod is None:
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mod = self.deprmod
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with warnings.catch_warnings():
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warnings.filterwarnings("ignore", category=FutureWarning)
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deprmodule = importlib.import_module(mod)
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return deprmodule
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