asyncpg/setup.py at debug · MagicStack/asyncpg · GitHub

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# <see AUTHORS file>

# This module is part of asyncpg and is released under

# the Apache 2.0 License: http://www.apache.org/licenses/LICENSE-2.0

import sys

if sys.version_info < (3, 5):

raise RuntimeError('asyncpg requires Python 3.5 or greater')

import os

import os.path

import pathlib

import platform

import re

import subprocess

# We use vanilla build_ext, to avoid importing Cython via

# the setuptools version.

import setuptools

from setuptools.command import build_py as setuptools_build_py

from setuptools.command import sdist as setuptools_sdist

from setuptools.command import build_ext as setuptools_build_ext

CYTHON_DEPENDENCY = 'Cython(>=0.29.20,<0.30.0)'

# Minimal dependencies required to test asyncpg.

TEST_DEPENDENCIES = [

# pycodestyle is a dependency of flake8, but it must be frozen because

# their combination breaks too often

# (example breakage: https://gitlab.com/pycqa/flake8/issues/427)

'pycodestyle~=2.5.0',

'flake8~=3.7.9',

'uvloop~=0.14.0;platform_system!="Windows"',

]

# Dependencies required to build documentation.

DOC_DEPENDENCIES = [

'Sphinx~=1.7.3',

'sphinxcontrib-asyncio~=0.2.0',

'sphinx_rtd_theme~=0.2.4',

]

EXTRA_DEPENDENCIES = {

'docs': DOC_DEPENDENCIES,

'test': TEST_DEPENDENCIES,

# Dependencies required to develop asyncpg.

'dev': [

CYTHON_DEPENDENCY,

'pytest>=3.6.0',

] + DOC_DEPENDENCIES + TEST_DEPENDENCIES

}

CFLAGS = ['-O2']

LDFLAGS = []

if platform.uname().system != 'Windows':

CFLAGS.extend(['-fsigned-char', '-Wall', '-Wsign-compare', '-Wconversion'])

_ROOT = pathlib.Path(__file__).parent

with open(str(_ROOT / 'README.rst')) as f:

readme = f.read()

with open(str(_ROOT / 'asyncpg' / '_version.py')) as f:

for line in f:

if line.startswith('__version__ ='):

_, _, version = line.partition('=')

VERSION = version.strip(" \n'\"")

break

else:

raise RuntimeError(

'unable to read the version from asyncpg/_version.py')

if (_ROOT / '.git').is_dir() and 'dev' in VERSION:

# This is a git checkout, use git to

# generate a precise version.

def git_commitish():

env = {}

v = os.environ.get('PATH')

if v is not None:

env['PATH'] = v

git = subprocess.run(['git', 'rev-parse', 'HEAD'], env=env,

cwd=str(_ROOT), stdout=subprocess.PIPE)

if git.returncode == 0:

commitish = git.stdout.strip().decode('ascii')

else:

commitish = 'unknown'

return commitish

VERSION += '+' + git_commitish()[:7]

class VersionMixin:

def _fix_version(self, filename):

# Replace asyncpg.__version__ with the actual version

# of the distribution (possibly inferred from git).

with open(str(filename)) as f:

content = f.read()

version_re = r"(.*__version__\s*=\s*)'[^']+'(.*)"

repl = r"\1'{}'\2".format(self.distribution.metadata.version)

content = re.sub(version_re, repl, content)

with open(str(filename), 'w') as f:

f.write(content)

class sdist(setuptools_sdist.sdist, VersionMixin):

def make_release_tree(self, base_dir, files):

super().make_release_tree(base_dir, files)

self._fix_version(pathlib.Path(base_dir) / 'asyncpg' / '_version.py')

class build_py(setuptools_build_py.build_py, VersionMixin):

def build_module(self, module, module_file, package):

outfile, copied = super().build_module(module, module_file, package)

if module == '__init__' and package == 'asyncpg':

self._fix_version(outfile)

return outfile, copied

class build_ext(setuptools_build_ext.build_ext):

user_options = setuptools_build_ext.build_ext.user_options + [

('cython-always', None,

'run cythonize() even if .c files are present'),

('cython-annotate', None,

'Produce a colorized HTML version of the Cython source.'),

('cython-directives=', None,

'Cython compiler directives'),

]

def initialize_options(self):

# initialize_options() may be called multiple times on the

# same command object, so make sure not to override previously

# set options.

if getattr(self, '_initialized', False):

return

super(build_ext, self).initialize_options()

if os.environ.get('ASYNCPG_DEBUG'):

self.cython_always = True

self.cython_annotate = True

self.cython_directives = "linetrace=True"

self.define = 'PG_DEBUG,CYTHON_TRACE,CYTHON_TRACE_NOGIL'

self.debug = True

else:

self.cython_always = False

self.cython_annotate = None

self.cython_directives = None

def finalize_options(self):

# finalize_options() may be called multiple times on the

# same command object, so make sure not to override previously

# set options.

if getattr(self, '_initialized', False):

return

need_cythonize = self.cython_always

cfiles = {}

for extension in self.distribution.ext_modules:

for i, sfile in enumerate(extension.sources):

if sfile.endswith('.pyx'):

prefix, ext = os.path.splitext(sfile)

cfile = prefix + '.c'

if os.path.exists(cfile) and not self.cython_always:

extension.sources[i] = cfile

else:

if os.path.exists(cfile):

cfiles[cfile] = os.path.getmtime(cfile)

else:

cfiles[cfile] = 0

need_cythonize = True

if need_cythonize:

import pkg_resources

# Double check Cython presence in case setup_requires

# didn't go into effect (most likely because someone

# imported Cython before setup_requires injected the

# correct egg into sys.path.

try:

import Cython

except ImportError:

raise RuntimeError(

'please install {} to compile asyncpg from source'.format(

CYTHON_DEPENDENCY))

cython_dep = pkg_resources.Requirement.parse(CYTHON_DEPENDENCY)

if Cython.__version__ not in cython_dep:

raise RuntimeError(

'asyncpg requires {}, got Cython=={}'.format(

CYTHON_DEPENDENCY, Cython.__version__

))

from Cython.Build import cythonize

directives = {

'language_level': '3',

}

if self.cython_directives:

for directive in self.cython_directives.split(','):

k, _, v = directive.partition('=')

if v.lower() == 'false':

v = False

if v.lower() == 'true':

v = True

directives[k] = v

self.distribution.ext_modules[:] = cythonize(

self.distribution.ext_modules,

compiler_directives=directives,

annotate=self.cython_annotate)

super(build_ext, self).finalize_options()

setup_requires = []

if (not (_ROOT / 'asyncpg' / 'protocol' / 'protocol.c').exists() or

'--cython-always' in sys.argv):

# No Cython output, require Cython to build.

setup_requires.append(CYTHON_DEPENDENCY)

setuptools.setup(

name='asyncpg',

version=VERSION,

description='An asyncio PostgreSQL driver',

long_description=readme,

classifiers=[

'Development Status :: 5 - Production/Stable',

'Framework :: AsyncIO',

'Intended Audience :: Developers',

'License :: OSI Approved :: Apache Software License',

'Operating System :: POSIX',

'Operating System :: MacOS :: MacOS X',

'Operating System :: Microsoft :: Windows',

'Programming Language :: Python :: 3 :: Only',

'Programming Language :: Python :: 3.5',

'Programming Language :: Python :: 3.6',

'Programming Language :: Python :: 3.7',

'Programming Language :: Python :: 3.8',

'Programming Language :: Python :: 3.9',

'Programming Language :: Python :: Implementation :: CPython',

'Topic :: Database :: Front-Ends',

platforms=['macOS', 'POSIX', 'Windows'],

python_requires='>=3.5.0',

zip_safe=False,

author='MagicStack Inc',

author_email='hello@magic.io',

url='https://github.com/MagicStack/asyncpg',

license='Apache License, Version 2.0',

packages=['asyncpg'],

provides=['asyncpg'],

include_package_data=True,

ext_modules=[

setuptools.extension.Extension(

"asyncpg.pgproto.pgproto",

["asyncpg/pgproto/pgproto.pyx"],

extra_compile_args=CFLAGS,

extra_link_args=LDFLAGS),

setuptools.extension.Extension(

"asyncpg.protocol.protocol",

["asyncpg/protocol/record/recordobj.c",

"asyncpg/protocol/protocol.pyx"],

include_dirs=['asyncpg/pgproto/'],

extra_compile_args=CFLAGS,

extra_link_args=LDFLAGS),

install_requires=['typing-extensions>=3.7.4.3;python_version<"3.8"'],

cmdclass={'build_ext': build_ext, 'build_py': build_py, 'sdist': sdist},

test_suite='tests.suite',

extras_require=EXTRA_DEPENDENCIES,

setup_requires=setup_requires,

)

asyncpg/setup.py at debug · MagicStack/asyncpg · GitHub

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