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76 lines
1.8 KiB
76 lines
1.8 KiB
"""The module contains miscellaneous helpers.
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It's not considered part of the public ufoLib API.
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"""
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import warnings
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import functools
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numberTypes = (int, float)
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def deprecated(msg=""):
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"""Decorator factory to mark functions as deprecated with given message.
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>>> @deprecated("Enough!")
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... def some_function():
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... "I just print 'hello world'."
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... print("hello world")
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>>> some_function()
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hello world
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>>> some_function.__doc__ == "I just print 'hello world'."
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True
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"""
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def deprecated_decorator(func):
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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warnings.warn(
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f"{func.__name__} function is a deprecated. {msg}",
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category=DeprecationWarning,
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stacklevel=2,
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)
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return func(*args, **kwargs)
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return wrapper
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return deprecated_decorator
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# To be mixed with enum.Enum in UFOFormatVersion and GLIFFormatVersion
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class _VersionTupleEnumMixin:
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@property
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def major(self):
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return self.value[0]
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@property
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def minor(self):
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return self.value[1]
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@classmethod
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def _missing_(cls, value):
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# allow to initialize a version enum from a single (major) integer
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if isinstance(value, int):
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return cls((value, 0))
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# or from None to obtain the current default version
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if value is None:
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return cls.default()
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return super()._missing_(value)
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def __str__(self):
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return f"{self.major}.{self.minor}"
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@classmethod
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def default(cls):
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# get the latest defined version (i.e. the max of all versions)
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return max(cls.__members__.values())
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@classmethod
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def supported_versions(cls):
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return frozenset(cls.__members__.values())
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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