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setup.py
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setup.py
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
"""Code coverage measurement for Python"""
# Setuptools setup for coverage.py
# This file is used unchanged under all versions of Python.
import os
import sys
from setuptools import Extension, errors, setup
from setuptools.command.build_ext import build_ext # pylint: disable=wrong-import-order
# Get or massage our metadata. We exec coverage/version.py so we can avoid
# importing the product code into setup.py.
# PYVERSIONS
classifiers = """\
Environment :: Console
Intended Audience :: Developers
License :: OSI Approved :: Apache Software License
Operating System :: OS Independent
Programming Language :: Python
Programming Language :: Python :: 3
Programming Language :: Python :: 3.8
Programming Language :: Python :: 3.9
Programming Language :: Python :: 3.10
Programming Language :: Python :: 3.11
Programming Language :: Python :: 3.12
Programming Language :: Python :: 3.13
Programming Language :: Python :: Implementation :: CPython
Programming Language :: Python :: Implementation :: PyPy
Topic :: Software Development :: Quality Assurance
Topic :: Software Development :: Testing
"""
cov_ver_py = os.path.join(os.path.split(__file__)[0], "coverage/version.py")
with open(cov_ver_py) as version_file:
# __doc__ will be overwritten by version.py.
doc = __doc__
# Keep pylint happy.
__version__ = __url__ = version_info = ""
# Execute the code in version.py.
exec(compile(version_file.read(), cov_ver_py, "exec", dont_inherit=True))
with open("README.rst") as readme:
readme_text = readme.read()
temp_url = __url__.replace("readthedocs", "@@")
assert "@@" not in readme_text
long_description = (
readme_text.replace("https://coverage.readthedocs.io/en/latest", temp_url)
.replace("https://coverage.readthedocs.io", temp_url)
.replace("@@", "readthedocs")
)
with open("CONTRIBUTORS.txt", "rb") as contributors:
paras = contributors.read().split(b"\n\n")
num_others = len(paras[-1].splitlines())
num_others += 1 # Count Gareth Rees, who is mentioned in the top paragraph.
classifier_list = classifiers.splitlines()
if version_info[3] == "alpha":
devstat = "3 - Alpha"
elif version_info[3] in ["beta", "candidate"]:
devstat = "4 - Beta"
else:
assert version_info[3] == "final"
devstat = "5 - Production/Stable"
classifier_list.append(f"Development Status :: {devstat}")
# Create the keyword arguments for setup()
setup_args = dict(
name="coverage",
version=__version__,
packages=[
"coverage",
],
package_data={
"coverage": [
"htmlfiles/*.*",
"py.typed",
],
},
entry_points={
# Install a script as "coverage", and as "coverage3", and as
# "coverage-3.7" (or whatever).
"console_scripts": [
"coverage = coverage.cmdline:main",
"coverage%d = coverage.cmdline:main" % sys.version_info[:1],
"coverage-%d.%d = coverage.cmdline:main" % sys.version_info[:2],
],
},
extras_require={
# Enable pyproject.toml support.
"toml": ['tomli; python_full_version<="3.11.0a6"'],
},
# We need to get HTML assets from our htmlfiles directory.
zip_safe=False,
author=f"Ned Batchelder and {num_others} others",
author_email="ned@nedbatchelder.com",
description=doc,
long_description=long_description,
long_description_content_type="text/x-rst",
keywords="code coverage testing",
license="Apache-2.0",
license_files=["LICENSE.txt"],
classifiers=classifier_list,
url="https://github.com/nedbat/coveragepy",
project_urls={
"Documentation": __url__,
"Funding": (
"https://tidelift.com/subscription/pkg/pypi-coverage"
+ "?utm_source=pypi-coverage&utm_medium=referral&utm_campaign=pypi"
),
"Issues": "https://github.com/nedbat/coveragepy/issues",
"Mastodon": "https://hachyderm.io/@coveragepy",
"Mastodon (nedbat)": "https://hachyderm.io/@nedbat",
},
python_requires=">=3.8", # minimum of PYVERSIONS
)
# A replacement for the build_ext command which raises a single exception
# if the build fails, so we can fallback nicely.
ext_errors = (
errors.CCompilerError,
errors.ExecError,
errors.PlatformError,
)
if sys.platform == "win32":
# IOError can be raised when failing to find the compiler
ext_errors += (IOError,)
class BuildFailed(Exception):
"""Raise this to indicate the C extension wouldn't build."""
def __init__(self):
Exception.__init__(self)
self.cause = sys.exc_info()[1] # work around py 2/3 different syntax
class ve_build_ext(build_ext):
"""Build C extensions, but fail with a straightforward exception."""
def run(self):
"""Wrap `run` with `BuildFailed`."""
try:
build_ext.run(self)
except errors.PlatformError as exc:
raise BuildFailed() from exc
def build_extension(self, ext):
"""Wrap `build_extension` with `BuildFailed`."""
try:
# Uncomment to test compile failure handling:
# raise errors.CCompilerError("OOPS")
build_ext.build_extension(self, ext)
except ext_errors as exc:
raise BuildFailed() from exc
except ValueError as err:
# this can happen on Windows 64 bit, see Python issue 7511
if "'path'" in str(err): # works with both py 2/3
raise BuildFailed() from err
raise
# There are a few reasons we might not be able to compile the C extension.
# Figure out if we should attempt the C extension or not.
compile_extension = True
if "__pypy__" in sys.builtin_module_names:
# Pypy can't compile C extensions
compile_extension = False
if compile_extension:
setup_args.update(
dict(
ext_modules=[
Extension(
"coverage.tracer",
sources=[
"coverage/ctracer/datastack.c",
"coverage/ctracer/filedisp.c",
"coverage/ctracer/module.c",
"coverage/ctracer/tracer.c",
],
),
],
cmdclass={
"build_ext": ve_build_ext,
},
),
)
def main():
"""Actually invoke setup() with the arguments we built above."""
# For a variety of reasons, it might not be possible to install the C
# extension. Try it with, and if it fails, try it without.
try:
setup(**setup_args)
except BuildFailed as exc:
msg = "Couldn't install with extension module, trying without it..."
exc_msg = f"{exc.__class__.__name__}: {exc.cause}"
print(f"**\n** {msg}\n** {exc_msg}\n**")
del setup_args["ext_modules"]
setup(**setup_args)
if __name__ == "__main__":
main()