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Viewing changes to setup.py

Don't use cython if it's too old.

Merged from https://code.launchpad.net/~jelmer/brz/cython-version/+merge/363703

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setup.py
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    print("")
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    from distutils.command.build_ext import build_ext
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else:
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    have_cython = True
 
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    minimum_cython_version = '0.29'
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    cython_version_info = LooseVersion(cython_version)
 
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    if cython_version_info < LooseVersion(minimum_cython_version):
 
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        print("Version of Cython is too old. "
 
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              "Current is %s, need at least %s."
 
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              % (cython_version, minimum_cython_version))
 
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        print("If the .c files are available, they will be built,"
 
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              " but modifying the .pyx files will not rebuild them.")
 
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        have_cython = False
 
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    else:
 
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        have_cython = True
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class build_ext_if_possible(build_ext):