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NAME = 'PyYAML'
VERSION = '3.10'
DESCRIPTION = "YAML parser and emitter for Python"
LONG_DESCRIPTION = """\
YAML is a data serialization format designed for human readability
and interaction with scripting languages. PyYAML is a YAML parser
and emitter for Python.
PyYAML features a complete YAML 1.1 parser, Unicode support, pickle
support, capable extension API, and sensible error messages. PyYAML
supports standard YAML tags and provides Python-specific tags that
allow to represent an arbitrary Python object.
PyYAML is applicable for a broad range of tasks from complex
configuration files to object serialization and persistance."""
AUTHOR = "Kirill Simonov"
AUTHOR_EMAIL = 'xi@resolvent.net'
LICENSE = "MIT"
PLATFORMS = "Any"
URL = "http://pyyaml.org/wiki/PyYAML"
DOWNLOAD_URL = "http://pyyaml.org/download/pyyaml/%s-%s.tar.gz" % (NAME, VERSION)
CLASSIFIERS = [
"Development Status :: 5 - Production/Stable",
"Intended Audience :: Developers",
"License :: OSI Approved :: MIT License",
"Operating System :: OS Independent",
"Programming Language :: Python",
"Programming Language :: Python :: 2",
"Programming Language :: Python :: 2.5",
"Programming Language :: Python :: 2.6",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.0",
"Programming Language :: Python :: 3.1",
"Programming Language :: Python :: 3.2",
"Topic :: Software Development :: Libraries :: Python Modules",
"Topic :: Text Processing :: Markup",
]
LIBYAML_CHECK = """
#include <yaml.h>
int main(void) {
yaml_parser_t parser;
yaml_emitter_t emitter;
yaml_parser_initialize(&parser);
yaml_parser_delete(&parser);
yaml_emitter_initialize(&emitter);
yaml_emitter_delete(&emitter);
return 0;
}
"""
import sys, os.path
from distutils import log
from distutils.core import setup, Command
from distutils.core import Distribution as _Distribution
from distutils.core import Extension as _Extension
from distutils.dir_util import mkpath
from distutils.command.build_ext import build_ext as _build_ext
from distutils.command.bdist_rpm import bdist_rpm as _bdist_rpm
from distutils.errors import CompileError, LinkError, DistutilsPlatformError
if 'setuptools.extension' in sys.modules:
_Extension = sys.modules['setuptools.extension']._Extension
sys.modules['distutils.core'].Extension = _Extension
sys.modules['distutils.extension'].Extension = _Extension
sys.modules['distutils.command.build_ext'].Extension = _Extension
with_pyrex = None
if sys.version_info[0] < 3:
try:
from Cython.Distutils.extension import Extension as _Extension
from Cython.Distutils import build_ext as _build_ext
with_pyrex = 'cython'
except ImportError:
try:
# Pyrex cannot build _yaml.c at the moment,
# but it may get fixed eventually.
from Pyrex.Distutils import Extension as _Extension
from Pyrex.Distutils import build_ext as _build_ext
with_pyrex = 'pyrex'
except ImportError:
pass
class Distribution(_Distribution):
def __init__(self, attrs=None):
_Distribution.__init__(self, attrs)
if not self.ext_modules:
return
for idx in range(len(self.ext_modules)-1, -1, -1):
ext = self.ext_modules[idx]
if not isinstance(ext, Extension):
continue
setattr(self, ext.attr_name, None)
self.global_options = [
(ext.option_name, None,
"include %s (default if %s is available)"
% (ext.feature_description, ext.feature_name)),
(ext.neg_option_name, None,
"exclude %s" % ext.feature_description),
] + self.global_options
self.negative_opt = self.negative_opt.copy()
self.negative_opt[ext.neg_option_name] = ext.option_name
def has_ext_modules(self):
if not self.ext_modules:
return False
for ext in self.ext_modules:
with_ext = self.ext_status(ext)
if with_ext is None or with_ext:
return True
return False
def ext_status(self, ext):
if 'Java' in sys.version or 'IronPython' in sys.version or 'PyPy' in sys.version:
return False
if isinstance(ext, Extension):
with_ext = getattr(self, ext.attr_name)
return with_ext
else:
return True
class Extension(_Extension):
def __init__(self, name, sources, feature_name, feature_description,
feature_check, **kwds):
if not with_pyrex:
for filename in sources[:]:
base, ext = os.path.splitext(filename)
if ext == '.pyx':
sources.remove(filename)
sources.append('%s.c' % base)
_Extension.__init__(self, name, sources, **kwds)
self.feature_name = feature_name
self.feature_description = feature_description
self.feature_check = feature_check
self.attr_name = 'with_' + feature_name.replace('-', '_')
self.option_name = 'with-' + feature_name
self.neg_option_name = 'without-' + feature_name
class build_ext(_build_ext):
def run(self):
optional = True
disabled = True
for ext in self.extensions:
with_ext = self.distribution.ext_status(ext)
if with_ext is None:
disabled = False
elif with_ext:
optional = False
disabled = False
break
if disabled:
return
try:
_build_ext.run(self)
except DistutilsPlatformError:
exc = sys.exc_info()[1]
if optional:
log.warn(str(exc))
log.warn("skipping build_ext")
else:
raise
def get_source_files(self):
self.check_extensions_list(self.extensions)
filenames = []
for ext in self.extensions:
if with_pyrex == 'pyrex':
self.pyrex_sources(ext.sources, ext)
elif with_pyrex == 'cython':
self.cython_sources(ext.sources, ext)
for filename in ext.sources:
filenames.append(filename)
base = os.path.splitext(filename)[0]
for ext in ['c', 'h', 'pyx', 'pxd']:
filename = '%s.%s' % (base, ext)
if filename not in filenames and os.path.isfile(filename):
filenames.append(filename)
return filenames
def get_outputs(self):
self.check_extensions_list(self.extensions)
outputs = []
for ext in self.extensions:
fullname = self.get_ext_fullname(ext.name)
filename = os.path.join(self.build_lib,
self.get_ext_filename(fullname))
if os.path.isfile(filename):
outputs.append(filename)
return outputs
def build_extensions(self):
self.check_extensions_list(self.extensions)
for ext in self.extensions:
with_ext = self.distribution.ext_status(ext)
if with_ext is None:
with_ext = self.check_extension_availability(ext)
if not with_ext:
continue
if with_pyrex == 'pyrex':
ext.sources = self.pyrex_sources(ext.sources, ext)
elif with_pyrex == 'cython':
ext.sources = self.cython_sources(ext.sources, ext)
self.build_extension(ext)
def check_extension_availability(self, ext):
cache = os.path.join(self.build_temp, 'check_%s.out' % ext.feature_name)
if not self.force and os.path.isfile(cache):
data = open(cache).read().strip()
if data == '1':
return True
elif data == '0':
return False
mkpath(self.build_temp)
src = os.path.join(self.build_temp, 'check_%s.c' % ext.feature_name)
open(src, 'w').write(ext.feature_check)
log.info("checking if %s is compilable" % ext.feature_name)
try:
[obj] = self.compiler.compile([src],
macros=ext.define_macros+[(undef,) for undef in ext.undef_macros],
include_dirs=ext.include_dirs,
extra_postargs=(ext.extra_compile_args or []),
depends=ext.depends)
except CompileError:
log.warn("")
log.warn("%s is not found or a compiler error: forcing --%s"
% (ext.feature_name, ext.neg_option_name))
log.warn("(if %s is installed correctly, you may need to"
% ext.feature_name)
log.warn(" specify the option --include-dirs or uncomment and")
log.warn(" modify the parameter include_dirs in setup.cfg)")
open(cache, 'w').write('0\n')
return False
prog = 'check_%s' % ext.feature_name
log.info("checking if %s is linkable" % ext.feature_name)
try:
self.compiler.link_executable([obj], prog,
output_dir=self.build_temp,
libraries=ext.libraries,
library_dirs=ext.library_dirs,
runtime_library_dirs=ext.runtime_library_dirs,
extra_postargs=(ext.extra_link_args or []))
except LinkError:
log.warn("")
log.warn("%s is not found or a linker error: forcing --%s"
% (ext.feature_name, ext.neg_option_name))
log.warn("(if %s is installed correctly, you may need to"
% ext.feature_name)
log.warn(" specify the option --library-dirs or uncomment and")
log.warn(" modify the parameter library_dirs in setup.cfg)")
open(cache, 'w').write('0\n')
return False
open(cache, 'w').write('1\n')
return True
class bdist_rpm(_bdist_rpm):
def _make_spec_file(self):
argv0 = sys.argv[0]
features = []
for ext in self.distribution.ext_modules:
if not isinstance(ext, Extension):
continue
with_ext = getattr(self.distribution, ext.attr_name)
if with_ext is None:
continue
if with_ext:
features.append('--'+ext.option_name)
else:
features.append('--'+ext.neg_option_name)
sys.argv[0] = ' '.join([argv0]+features)
spec_file = _bdist_rpm._make_spec_file(self)
sys.argv[0] = argv0
return spec_file
class test(Command):
user_options = []
def initialize_options(self):
pass
def finalize_options(self):
pass
def run(self):
build_cmd = self.get_finalized_command('build')
build_cmd.run()
sys.path.insert(0, build_cmd.build_lib)
if sys.version_info[0] < 3:
sys.path.insert(0, 'tests/lib')
else:
sys.path.insert(0, 'tests/lib3')
import test_all
test_all.main([])
if __name__ == '__main__':
setup(
name=NAME,
version=VERSION,
description=DESCRIPTION,
long_description=LONG_DESCRIPTION,
author=AUTHOR,
author_email=AUTHOR_EMAIL,
license=LICENSE,
platforms=PLATFORMS,
url=URL,
download_url=DOWNLOAD_URL,
classifiers=CLASSIFIERS,
package_dir={'': {2: 'lib', 3: 'lib3'}[sys.version_info[0]]},
packages=['yaml'],
ext_modules=[
Extension('_yaml', ['ext/_yaml.pyx'],
'libyaml', "LibYAML bindings", LIBYAML_CHECK,
libraries=['yaml']),
],
distclass=Distribution,
cmdclass={
'build_ext': build_ext,
'bdist_rpm': bdist_rpm,
'test': test,
},
)
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