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# https://github.com/python-poetry/poetry/issues/11
import glob
import os
from distutils.command.build_ext import build_ext
from distutils.core import Extension
from distutils.errors import (
CCompilerError,
DistutilsExecError,
DistutilsPlatformError,
)
def filter_extension_module(name, lib_objs, lib_headers):
return Extension(
"thumbor.ext.filters.%s" % name,
["thumbor/ext/filters/%s.c" % name] + lib_objs,
libraries=["m"],
include_dirs=["thumbor/ext/filters/lib"],
depends=["setup.py"] + lib_objs + lib_headers,
extra_compile_args=[
"-Wall",
"-Wextra",
"-Werror",
"-Wno-unused-parameter",
],
)
def gather_filter_extensions():
files = glob.glob("thumbor/ext/filters/_*.c")
lib_objs = glob.glob("thumbor/ext/filters/lib/*.c")
lib_headers = glob.glob("thumbor/ext/filters/lib/*.h")
return [
filter_extension_module(f[0:-2].split("/")[-1], lib_objs, lib_headers)
for f in files
]
class BuildFailed(Exception):
pass
class ExtBuilder(build_ext):
# This class allows C extension building to fail.
def run(self):
try:
build_ext.run(self)
except (DistutilsPlatformError, FileNotFoundError):
pass
def build_extension(self, ext):
try:
build_ext.build_extension(self, ext)
except (
CCompilerError,
DistutilsExecError,
DistutilsPlatformError,
ValueError,
):
pass
def build(setup_kwargs):
"""Needed for the poetry building interface."""
if "CFLAGS" not in os.environ:
os.environ["CFLAGS"] = ""
setup_kwargs.update(
dict(
ext_modules=gather_filter_extensions(),
cmdclass={"build_ext": ExtBuilder},
packages=["thumbor"],
package_dir={"thumbor": "thumbor"},
include_package_data=True,
package_data={"": ["*.xml"]},
)
)
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