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#!/usr/bin/env python
import os
import re
import ast
import sys
from setuptools import setup, Extension, Feature
from distutils.command.build_ext import build_ext
from distutils.errors import CCompilerError, DistutilsExecError, \
DistutilsPlatformError
# fail safe compilation shamelessly stolen from the simplejson
# setup.py file. Original author: Bob Ippolito
is_jython = 'java' in sys.platform
is_pypy = hasattr(sys, 'pypy_version_info')
with open('markupsafe/__init__.py') as f:
version = ast.literal_eval(re.search(
'^__version__\s+=\s+(.*?)$(?sm)', f.read()).group(1))
speedups = Feature(
'optional C speed-enhancement module',
standard=True,
ext_modules=[
Extension('markupsafe._speedups', ['markupsafe/_speedups.c']),
],
)
# Known errors when running build_ext.build_extension method
ext_errors = (CCompilerError, DistutilsExecError, DistutilsPlatformError)
if sys.platform == 'win32' and sys.version_info > (2, 6):
# 2.6's distutils.msvc9compiler can raise an IOError when failing to
# find the compiler
ext_errors += (IOError,)
# Known errors when running build_ext.run method
run_errors = (DistutilsPlatformError,)
if sys.platform == 'darwin':
run_errors += (SystemError,)
class BuildFailed(Exception):
pass
class ve_build_ext(build_ext):
"""This class allows C extension building to fail."""
def run(self):
try:
build_ext.run(self)
except run_errors:
raise BuildFailed()
def build_extension(self, ext):
try:
build_ext.build_extension(self, ext)
except ext_errors:
raise BuildFailed()
except ValueError:
# this can happen on Windows 64 bit, see Python issue 7511
if "'path'" in str(sys.exc_info()[1]): # works with Python 2 and 3
raise BuildFailed()
raise
def echo(msg=''):
sys.stdout.write(msg + '\n')
readme = open(os.path.join(os.path.dirname(__file__), 'README.rst')).read()
def run_setup(with_binary):
features = {}
if with_binary:
features['speedups'] = speedups
setup(
name='MarkupSafe',
version=version,
url='http://github.com/pallets/markupsafe',
license='BSD',
author='Armin Ronacher',
author_email='armin.ronacher@active-4.com',
description='Implements a XML/HTML/XHTML Markup safe string for Python',
long_description=readme,
zip_safe=False,
classifiers=[
'Development Status :: 5 - Production/Stable',
'Environment :: Web Environment',
'Intended Audience :: Developers',
'License :: OSI Approved :: BSD License',
'Operating System :: OS Independent',
'Programming Language :: Python',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.6',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.3',
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: 3.5',
'Programming Language :: Python :: 3.6',
'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
'Topic :: Software Development :: Libraries :: Python Modules',
'Topic :: Text Processing :: Markup :: HTML'
],
packages=['markupsafe'],
test_suite='tests.suite',
include_package_data=True,
cmdclass={'build_ext': ve_build_ext},
features=features,
)
def try_building_extension():
try:
run_setup(True)
except BuildFailed:
LINE = '=' * 74
BUILD_EXT_WARNING = 'WARNING: The C extension could not be ' \
'compiled, speedups are not enabled.'
echo(LINE)
echo(BUILD_EXT_WARNING)
echo('Failure information, if any, is above.')
echo('Retrying the build without the C extension now.')
echo()
run_setup(False)
echo(LINE)
echo(BUILD_EXT_WARNING)
echo('Plain-Python installation succeeded.')
echo(LINE)
if not (is_pypy or is_jython):
try_building_extension()
else:
run_setup(False)
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