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