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"""Custom PEP 517 build backend to provide different dependencies for wheel builds.
We need some extra dependencies when we build a wheel that bundles the FreeType
shared library (triggered when FREETYPEPY_BUNDLE_FT environment variable is set),
as opposed to a pure Python wheel (py3-none-any.whl).
For more info see:
https://setuptools.pypa.io/en/latest/build_meta.html#dynamic-build-dependencies-and-other-build-meta-tweaks
https://github.com/rougier/freetype-py/issues/183
"""
import os
from setuptools import build_meta as _orig
from setuptools.build_meta import *
def get_requires_for_build_wheel(config_settings=None):
build_wheel_deps = _orig.get_requires_for_build_wheel(config_settings)
if os.environ.get("FREETYPEPY_BUNDLE_FT"):
build_wheel_deps += ["certifi", "cmake"]
return build_wheel_deps
def get_requires_for_build_editable(config_settings=None):
# ensure pip install -e . uses same build deps as regular pip install/wheel
return get_requires_for_build_wheel(config_settings)
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