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import os
import contextlib
import Build
from samba_utils import *
from samba_autoconf import *
from Logs import warn
from TaskGen import extension, before, after, feature
from Configure import conf
@feature('extrapyext')
@before('apply_incpaths', 'apply_lib_vars', 'apply_type_vars', 'apply_bundle')
@after('vars_target_cshlib')
def init_extrapyext(self):
self.default_install_path = '${PYTHONARCHDIR}'
self.uselib = self.to_list(getattr(self, 'uselib', ''))
if not 'EXTRAPYEXT' in self.uselib:
self.uselib.append('EXTRAPYEXT')
@before('apply_link', 'apply_lib_vars', 'apply_type_vars')
@after('apply_bundle')
@feature('extrapyext')
def extrapyext_shlib_ext(self):
# override shlib_PATTERN set by the osx module
self.env['shlib_PATTERN'] = self.env['extrapyext_PATTERN']
@before('apply_incpaths', 'apply_lib_vars', 'apply_type_vars')
@feature('extrapyembed')
def init_extrapyembed(self):
self.uselib = self.to_list(getattr(self, 'uselib', ''))
if not 'EXTRAPYEMBED' in self.uselib:
self.uselib.append('EXTRAPYEMBED')
# For extrapython, we store config in a separate set of env variables.
# During the configure step we swap these with the normal *PYTHON* equivalents,
# use waf's regular Python tool, and then switch them all back.
EXTRAPYTHON_ENV_KEYS = (
('PYTHON', 'EXTRAPYTHON'),
('PYTHONDIR', 'EXTRAPYTHONDIR'),
('PYTHONARCHDIR', 'EXTRAPYTHONARCHDIR'),
('PYTHON_VERSION', 'EXTRAPYTHON_VERSION'),
('CCFLAGS_PYEXT', 'CCFLAGS_EXTRAPYEXT'),
('CCFLAGS_PYEMBED', 'CCFLAGS_EXTRAPYEMBED'),
('LIBPATH_PYEXT', 'LIBPATH_EXTRAPYEXT'),
('LIBPATH_PYEMBED', 'LIBPATH_EXTRAPYEMBED'),
('LIB_PYEXT', 'LIB_EXTRAPYEXT'),
('LIB_PYEMBED', 'LIB_EXTRAPYEMBED'),
('CPPPATH_PYEXT', 'CPPPATH_EXTRAPYEXT'),
('CPPPATH_PYEMBED', 'CPPPATH_EXTRAPYEMBED'),
('LINKFLAGS_PYEXT', 'LINKFLAGS_EXTRAPYEXT'),
('LINKFLAGS_PYEMBED', 'LINKFLAGS_EXTRAPYEMBED'),
('HAVE_PYTHON_H', 'EXTRAPY_HAVE_PYTHON_H'),
('PYTHON_CONFIG', 'EXTRAPYTHON_CONFIG'),
('pyext_PATTERN', 'extrapyext_PATTERN'),
('PYCMD', 'EXTRAPYCMD'),
('PYFLAGS', 'EXTRAPYFLAGS'),
('PYFLAGS_OPT', 'EXTRAPYFLAGS_OPT'),
('PYTHON_SO_ABI_FLAG', 'EXTRAPYTHON_SO_ABI_FLAG'),
)
EXTRAPYTHON_DEFINES_KEYS = (
('PYTHONDIR', 'EXTRAPYTHONDIR'),
('PYTHONARCHDIR', 'EXTRAPYTHONARCHDIR'),
('HAVE_PYTHON_H', 'EXTRAPY_HAVE_PYTHON_H'),
)
@contextlib.contextmanager
def extrapython_map(env, keys):
saved = {}
for key, extrakey in keys:
if key in env:
saved[key] = env[key]
if extrakey in env:
env[key] = env[extrakey]
else:
env.pop(key, None)
yield
for key, extrakey in keys:
if key in env:
env[extrakey] = env[key]
else:
env.pop(extrakey, None)
if key in saved:
env[key] = saved[key]
else:
env.pop(key, None)
@contextlib.contextmanager
def extrapython_env(env):
with extrapython_map(env, EXTRAPYTHON_ENV_KEYS):
with extrapython_map(env['defines'], EXTRAPYTHON_DEFINES_KEYS):
yield
@conf
def SAMBA_CHECK_PYTHON(conf, mandatory=True, version=(2,4,2)):
# enable tool to build python extensions
interpreters = []
if conf.env['EXTRA_PYTHON']:
with extrapython_env(conf.env):
conf.env['PYTHON'] = conf.env['EXTRA_PYTHON']
conf.find_program('python', var='PYTHON', mandatory=True)
conf.check_tool('python')
try:
conf.check_python_version((3, 3, 0))
except Exception:
warn('extra-python needs to be Python 3.3 or later')
raise
interpreters.append(conf.env['EXTRA_PYTHON'])
conf.find_program('python', var='PYTHON', mandatory=mandatory)
conf.check_tool('python')
path_python = conf.find_program('python')
conf.env.PYTHON_SPECIFIED = (conf.env.PYTHON != path_python)
conf.check_python_version(version)
interpreters.append(conf.env['PYTHON'])
conf.env.python_interpreters = interpreters
def check_python_headers(conf, mandatory):
conf.check_python_headers(mandatory=mandatory)
if conf.env['PYTHON_VERSION'] > '3':
abi_pattern = os.path.splitext(conf.env['pyext_PATTERN'])[0]
conf.env['PYTHON_SO_ABI_FLAG'] = abi_pattern % ''
else:
conf.env['PYTHON_SO_ABI_FLAG'] = ''
@conf
def SAMBA_CHECK_PYTHON_HEADERS(conf, mandatory=True):
if conf.env["python_headers_checked"] == []:
pre_dict = conf.env.get_merged_dict()
if conf.env['EXTRA_PYTHON']:
with extrapython_env(conf.env):
check_python_headers(conf, mandatory=True)
check_python_headers(conf, mandatory=mandatory)
conf.env["python_headers_checked"] = "yes"
if conf.env['EXTRAPYTHON_VERSION'] == conf.env['PYTHON_VERSION']:
raise Utils.WafError("extrapython %s is same as main python %s" % (
conf.env['EXTRAPYTHON_VERSION'], conf.env['PYTHON_VERSION']))
else:
conf.msg("python headers", "using cache")
def SAMBA_PYTHON(bld, name,
source='',
deps='',
public_deps='',
realname=None,
cflags='',
includes='',
init_function_sentinel=None,
local_include=True,
vars=None,
install=True,
enabled=True,
extra_python=False):
'''build a python extension for Samba'''
# when we support static python modules we'll need to gather
# the list from all the SAMBA_PYTHON() targets
if init_function_sentinel is not None:
cflags += '-DSTATIC_LIBPYTHON_MODULES=%s' % init_function_sentinel
source = bld.EXPAND_VARIABLES(source, vars=vars)
if realname is not None:
link_name = 'python_modules/%s' % realname
else:
link_name = None
if extra_python:
pyfeature = 'extrapyext'
target_type = 'EXTRAPYTHON'
install_path = '${EXTRAPYTHONARCHDIR}'
else:
pyfeature = 'pyext'
target_type = 'PYTHON'
install_path = '${PYTHONARCHDIR}'
bld.SAMBA_LIBRARY(name,
source=source,
deps=deps,
public_deps=public_deps,
includes=includes,
cflags=cflags,
local_include=local_include,
vars=vars,
realname=realname,
link_name=link_name,
pyfeature=pyfeature,
target_type=target_type,
install_path=install_path,
allow_undefined_symbols=True,
allow_warnings=True,
install=install,
enabled=enabled)
Build.BuildContext.SAMBA_PYTHON = SAMBA_PYTHON
def pyembed_libname(bld, name, extrapython=False):
if extrapython:
return name + bld.env['EXTRAPYTHON_SO_ABI_FLAG']
else:
return name + bld.env['PYTHON_SO_ABI_FLAG']
return name
Build.BuildContext.pyembed_libname = pyembed_libname
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