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""" Exports a no-op 'cython' namespace similar to
https://github.com/cython/cython/blob/master/Cython/Shadow.py
This allows to optionally compile @cython decorated functions
(when cython is available at built time), or run the same code
as pure-python, without runtime dependency on cython module.
We only define the symbols that we use. E.g. see fontTools.cu2qu
"""
from types import SimpleNamespace
def _empty_decorator(x):
return x
compiled = False
for name in ("double", "complex", "int"):
globals()[name] = None
for name in ("cfunc", "inline"):
globals()[name] = _empty_decorator
locals = lambda **_: _empty_decorator
returns = lambda _: _empty_decorator
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