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https://github.com/microsoft/PowerToys.git
synced 2026-04-10 13:35:31 +02:00
Fix python env issues.
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qianlifeng
305
PythonHome/Lib/site-packages/setuptools/command/build_ext.py
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305
PythonHome/Lib/site-packages/setuptools/command/build_ext.py
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@@ -0,0 +1,305 @@
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from distutils.command.build_ext import build_ext as _du_build_ext
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from distutils.file_util import copy_file
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from distutils.ccompiler import new_compiler
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from distutils.sysconfig import customize_compiler
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from distutils.errors import DistutilsError
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from distutils import log
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import os
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import sys
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from setuptools.extension import Library
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try:
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# Attempt to use Pyrex for building extensions, if available
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from Pyrex.Distutils.build_ext import build_ext as _build_ext
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except ImportError:
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_build_ext = _du_build_ext
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try:
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# Python 2.7 or >=3.2
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from sysconfig import _CONFIG_VARS
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except ImportError:
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from distutils.sysconfig import get_config_var
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get_config_var("LDSHARED") # make sure _config_vars is initialized
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del get_config_var
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from distutils.sysconfig import _config_vars as _CONFIG_VARS
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have_rtld = False
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use_stubs = False
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libtype = 'shared'
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if sys.platform == "darwin":
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use_stubs = True
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elif os.name != 'nt':
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try:
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from dl import RTLD_NOW
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have_rtld = True
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use_stubs = True
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except ImportError:
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pass
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def if_dl(s):
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if have_rtld:
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return s
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return ''
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class build_ext(_build_ext):
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def run(self):
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"""Build extensions in build directory, then copy if --inplace"""
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old_inplace, self.inplace = self.inplace, 0
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_build_ext.run(self)
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self.inplace = old_inplace
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if old_inplace:
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self.copy_extensions_to_source()
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def copy_extensions_to_source(self):
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build_py = self.get_finalized_command('build_py')
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for ext in self.extensions:
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fullname = self.get_ext_fullname(ext.name)
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filename = self.get_ext_filename(fullname)
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modpath = fullname.split('.')
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package = '.'.join(modpath[:-1])
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package_dir = build_py.get_package_dir(package)
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dest_filename = os.path.join(package_dir,
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os.path.basename(filename))
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src_filename = os.path.join(self.build_lib, filename)
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# Always copy, even if source is older than destination, to ensure
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# that the right extensions for the current Python/platform are
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# used.
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copy_file(
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src_filename, dest_filename, verbose=self.verbose,
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dry_run=self.dry_run
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)
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if ext._needs_stub:
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self.write_stub(package_dir or os.curdir, ext, True)
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if _build_ext is not _du_build_ext and not hasattr(_build_ext,
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'pyrex_sources'):
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# Workaround for problems using some Pyrex versions w/SWIG and/or 2.4
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def swig_sources(self, sources, *otherargs):
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# first do any Pyrex processing
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sources = _build_ext.swig_sources(self, sources) or sources
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# Then do any actual SWIG stuff on the remainder
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return _du_build_ext.swig_sources(self, sources, *otherargs)
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def get_ext_filename(self, fullname):
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filename = _build_ext.get_ext_filename(self, fullname)
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if fullname in self.ext_map:
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ext = self.ext_map[fullname]
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if isinstance(ext, Library):
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fn, ext = os.path.splitext(filename)
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return self.shlib_compiler.library_filename(fn, libtype)
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elif use_stubs and ext._links_to_dynamic:
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d, fn = os.path.split(filename)
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return os.path.join(d, 'dl-' + fn)
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return filename
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def initialize_options(self):
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_build_ext.initialize_options(self)
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self.shlib_compiler = None
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self.shlibs = []
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self.ext_map = {}
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def finalize_options(self):
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_build_ext.finalize_options(self)
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self.extensions = self.extensions or []
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self.check_extensions_list(self.extensions)
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self.shlibs = [ext for ext in self.extensions
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if isinstance(ext, Library)]
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if self.shlibs:
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self.setup_shlib_compiler()
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for ext in self.extensions:
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ext._full_name = self.get_ext_fullname(ext.name)
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for ext in self.extensions:
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fullname = ext._full_name
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self.ext_map[fullname] = ext
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# distutils 3.1 will also ask for module names
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# XXX what to do with conflicts?
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self.ext_map[fullname.split('.')[-1]] = ext
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ltd = ext._links_to_dynamic = \
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self.shlibs and self.links_to_dynamic(ext) or False
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ext._needs_stub = ltd and use_stubs and not isinstance(ext,
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Library)
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filename = ext._file_name = self.get_ext_filename(fullname)
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libdir = os.path.dirname(os.path.join(self.build_lib, filename))
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if ltd and libdir not in ext.library_dirs:
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ext.library_dirs.append(libdir)
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if ltd and use_stubs and os.curdir not in ext.runtime_library_dirs:
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ext.runtime_library_dirs.append(os.curdir)
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def setup_shlib_compiler(self):
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compiler = self.shlib_compiler = new_compiler(
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compiler=self.compiler, dry_run=self.dry_run, force=self.force
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)
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if sys.platform == "darwin":
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tmp = _CONFIG_VARS.copy()
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try:
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# XXX Help! I don't have any idea whether these are right...
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_CONFIG_VARS['LDSHARED'] = (
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"gcc -Wl,-x -dynamiclib -undefined dynamic_lookup")
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_CONFIG_VARS['CCSHARED'] = " -dynamiclib"
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_CONFIG_VARS['SO'] = ".dylib"
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customize_compiler(compiler)
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finally:
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_CONFIG_VARS.clear()
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_CONFIG_VARS.update(tmp)
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else:
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customize_compiler(compiler)
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if self.include_dirs is not None:
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compiler.set_include_dirs(self.include_dirs)
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if self.define is not None:
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# 'define' option is a list of (name,value) tuples
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for (name, value) in self.define:
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compiler.define_macro(name, value)
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if self.undef is not None:
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for macro in self.undef:
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compiler.undefine_macro(macro)
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if self.libraries is not None:
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compiler.set_libraries(self.libraries)
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if self.library_dirs is not None:
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compiler.set_library_dirs(self.library_dirs)
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if self.rpath is not None:
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compiler.set_runtime_library_dirs(self.rpath)
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if self.link_objects is not None:
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compiler.set_link_objects(self.link_objects)
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# hack so distutils' build_extension() builds a library instead
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compiler.link_shared_object = link_shared_object.__get__(compiler)
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def get_export_symbols(self, ext):
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if isinstance(ext, Library):
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return ext.export_symbols
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return _build_ext.get_export_symbols(self, ext)
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def build_extension(self, ext):
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_compiler = self.compiler
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try:
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if isinstance(ext, Library):
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self.compiler = self.shlib_compiler
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_build_ext.build_extension(self, ext)
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if ext._needs_stub:
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self.write_stub(
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self.get_finalized_command('build_py').build_lib, ext
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)
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finally:
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self.compiler = _compiler
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def links_to_dynamic(self, ext):
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"""Return true if 'ext' links to a dynamic lib in the same package"""
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# XXX this should check to ensure the lib is actually being built
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# XXX as dynamic, and not just using a locally-found version or a
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# XXX static-compiled version
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libnames = dict.fromkeys([lib._full_name for lib in self.shlibs])
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pkg = '.'.join(ext._full_name.split('.')[:-1] + [''])
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for libname in ext.libraries:
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if pkg + libname in libnames:
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return True
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return False
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def get_outputs(self):
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outputs = _build_ext.get_outputs(self)
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optimize = self.get_finalized_command('build_py').optimize
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for ext in self.extensions:
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if ext._needs_stub:
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base = os.path.join(self.build_lib, *ext._full_name.split('.'))
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outputs.append(base + '.py')
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outputs.append(base + '.pyc')
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if optimize:
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outputs.append(base + '.pyo')
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return outputs
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def write_stub(self, output_dir, ext, compile=False):
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log.info("writing stub loader for %s to %s", ext._full_name,
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output_dir)
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stub_file = (os.path.join(output_dir, *ext._full_name.split('.')) +
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'.py')
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if compile and os.path.exists(stub_file):
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raise DistutilsError(stub_file + " already exists! Please delete.")
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if not self.dry_run:
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f = open(stub_file, 'w')
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f.write(
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'\n'.join([
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"def __bootstrap__():",
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" global __bootstrap__, __file__, __loader__",
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" import sys, os, pkg_resources, imp" + if_dl(", dl"),
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" __file__ = pkg_resources.resource_filename"
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"(__name__,%r)"
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% os.path.basename(ext._file_name),
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" del __bootstrap__",
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" if '__loader__' in globals():",
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" del __loader__",
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if_dl(" old_flags = sys.getdlopenflags()"),
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" old_dir = os.getcwd()",
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" try:",
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" os.chdir(os.path.dirname(__file__))",
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if_dl(" sys.setdlopenflags(dl.RTLD_NOW)"),
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" imp.load_dynamic(__name__,__file__)",
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" finally:",
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if_dl(" sys.setdlopenflags(old_flags)"),
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" os.chdir(old_dir)",
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"__bootstrap__()",
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"" # terminal \n
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])
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)
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f.close()
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if compile:
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from distutils.util import byte_compile
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byte_compile([stub_file], optimize=0,
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force=True, dry_run=self.dry_run)
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optimize = self.get_finalized_command('install_lib').optimize
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if optimize > 0:
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byte_compile([stub_file], optimize=optimize,
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force=True, dry_run=self.dry_run)
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if os.path.exists(stub_file) and not self.dry_run:
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os.unlink(stub_file)
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if use_stubs or os.name == 'nt':
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# Build shared libraries
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#
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def link_shared_object(
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self, objects, output_libname, output_dir=None, libraries=None,
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library_dirs=None, runtime_library_dirs=None, export_symbols=None,
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debug=0, extra_preargs=None, extra_postargs=None, build_temp=None,
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target_lang=None):
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self.link(
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self.SHARED_LIBRARY, objects, output_libname,
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output_dir, libraries, library_dirs, runtime_library_dirs,
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export_symbols, debug, extra_preargs, extra_postargs,
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build_temp, target_lang
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)
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else:
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# Build static libraries everywhere else
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libtype = 'static'
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def link_shared_object(
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self, objects, output_libname, output_dir=None, libraries=None,
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library_dirs=None, runtime_library_dirs=None, export_symbols=None,
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debug=0, extra_preargs=None, extra_postargs=None, build_temp=None,
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target_lang=None):
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# XXX we need to either disallow these attrs on Library instances,
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# or warn/abort here if set, or something...
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# libraries=None, library_dirs=None, runtime_library_dirs=None,
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# export_symbols=None, extra_preargs=None, extra_postargs=None,
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# build_temp=None
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assert output_dir is None # distutils build_ext doesn't pass this
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output_dir, filename = os.path.split(output_libname)
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basename, ext = os.path.splitext(filename)
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if self.library_filename("x").startswith('lib'):
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# strip 'lib' prefix; this is kludgy if some platform uses
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# a different prefix
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basename = basename[3:]
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self.create_static_lib(
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objects, basename, output_dir, debug, target_lang
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)
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