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import sys

import os.path

import pathlib

from setuptools import setup, Extension

from setuptools.command.build_ext import build_ext as build_ext

CFLAGS = ['-O2', '-DCYTHON_FREETHREADING_COMPATIBLE=1']

ROOT = pathlib.Path(__file__).parent

CYTHON_DEPENDENCY = 'Cython>=3.1.0'

class httptools_build_ext(build_ext):

user_options = 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,

'Cythion compiler directives'),

('use-system-llhttp', None,

'Use the system provided llhttp, instead of the bundled one'),

('use-system-http-parser', None,

'Use the system provided http-parser, instead of the bundled one'),

]

boolean_options = build_ext.boolean_options + [

'cython-always',

'cython-annotate',

'use-system-llhttp',

'use-system-http-parser',

]

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().initialize_options()

self.use_system_llhttp = False

self.use_system_http_parser = False

self.cython_always = False

self.cython_annotate = None

self.cython_directives = None

if 'editable_wheel' in sys.argv:

self.inplace = True

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:

try:

import Cython

except ImportError:

import setuptools.build_meta

raise setuptools.build_meta.SetupRequirementsError([CYTHON_DEPENDENCY])

from Cython.Build import cythonize

directives = {}

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().finalize_options()

self._initialized = True

def build_extensions(self):

mod_parser, mod_url_parser = self.distribution.ext_modules

if self.use_system_llhttp:

mod_parser.libraries.append('llhttp')

if sys.platform == 'darwin' and \

os.path.exists('/opt/local/include'):

# Support macports on Mac OS X.

mod_parser.include_dirs.append('/opt/local/include')

else:

mod_parser.include_dirs.append(

str(ROOT / 'vendor' / 'llhttp' / 'include'))

mod_parser.include_dirs.append(

str(ROOT / 'vendor' / 'llhttp' / 'src'))

mod_parser.sources.append('vendor/llhttp/src/api.c')

mod_parser.sources.append('vendor/llhttp/src/http.c')

mod_parser.sources.append('vendor/llhttp/src/llhttp.c')

if self.use_system_http_parser:

mod_url_parser.libraries.append('http_parser')

if sys.platform == 'darwin' and \

os.path.exists('/opt/local/include'):

# Support macports on Mac OS X.

mod_url_parser.include_dirs.append('/opt/local/include')

else:

mod_url_parser.include_dirs.append(

str(ROOT / 'vendor' / 'http-parser'))

mod_url_parser.sources.append(

'vendor/http-parser/http_parser.c')

super().build_extensions()

with open(str(ROOT / 'httptools' / '_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 httptools/_version.py')

setup(

version=VERSION,

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

zip_safe=False,

packages=['httptools', 'httptools.parser'],

cmdclass={

'build_ext': httptools_build_ext,

},

ext_modules=[

Extension(

"httptools.parser.parser",

sources=[

"httptools/parser/parser.pyx",

],

extra_compile_args=CFLAGS,

),

Extension(

"httptools.parser.url_parser",

sources=[

"httptools/parser/url_parser.pyx",

],

extra_compile_args=CFLAGS,

),

],

include_package_data=True,

exclude_package_data={"": ["*.c", "*.h"]},

)