621 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
		
		
			
		
	
	
			621 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| 
								 | 
							
								"""
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								Support code for building Python extensions on Windows.
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								    # NT stuff
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								    # 1. Make sure libpython<version>.a exists for gcc.  If not, build it.
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								    # 2. Force windows to use gcc (we're struggling with MSVC and g77 support)
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								    # 3. Force windows to use g77
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								"""
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								import os
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								import sys
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								import subprocess
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								import re
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								import textwrap
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								# Overwrite certain distutils.ccompiler functions:
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								import numpy.distutils.ccompiler  # noqa: F401
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								from numpy.distutils import log
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								# NT stuff
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								# 1. Make sure libpython<version>.a exists for gcc.  If not, build it.
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								# 2. Force windows to use gcc (we're struggling with MSVC and g77 support)
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								#    --> this is done in numpy/distutils/ccompiler.py
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								# 3. Force windows to use g77
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								import distutils.cygwinccompiler
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								from distutils.unixccompiler import UnixCCompiler
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								try:
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								    from distutils.msvccompiler import get_build_version as get_build_msvc_version
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								except ImportError:
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								    def get_build_msvc_version():
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								        return None
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								from distutils.errors import UnknownFileError
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								from numpy.distutils.misc_util import (msvc_runtime_library,
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								                                       msvc_runtime_version,
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								                                       msvc_runtime_major,
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								                                       get_build_architecture)
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								def get_msvcr_replacement():
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								    """Replacement for outdated version of get_msvcr from cygwinccompiler"""
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								    msvcr = msvc_runtime_library()
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								    return [] if msvcr is None else [msvcr]
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								# Useful to generate table of symbols from a dll
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								_START = re.compile(r'\[Ordinal/Name Pointer\] Table')
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								_TABLE = re.compile(r'^\s+\[([\s*[0-9]*)\] ([a-zA-Z0-9_]*)')
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								# the same as cygwin plus some additional parameters
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								class Mingw32CCompiler(distutils.cygwinccompiler.CygwinCCompiler):
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								    """ A modified MingW32 compiler compatible with an MSVC built Python.
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								    """
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								    compiler_type = 'mingw32'
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								    def __init__ (self,
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								                  verbose=0,
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								                  dry_run=0,
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								                  force=0):
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								        distutils.cygwinccompiler.CygwinCCompiler.__init__ (self, verbose,
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								                                                            dry_run, force)
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| 
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								        # **changes: eric jones 4/11/01
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								        # 1. Check for import library on Windows.  Build if it doesn't exist.
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								        build_import_library()
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								        # Check for custom msvc runtime library on Windows. Build if it doesn't exist.
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								        msvcr_success = build_msvcr_library()
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								        msvcr_dbg_success = build_msvcr_library(debug=True)
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								        if msvcr_success or msvcr_dbg_success:
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								            # add preprocessor statement for using customized msvcr lib
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								            self.define_macro('NPY_MINGW_USE_CUSTOM_MSVCR')
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								        # Define the MSVC version as hint for MinGW
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								        msvcr_version = msvc_runtime_version()
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								        if msvcr_version:
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								            self.define_macro('__MSVCRT_VERSION__', '0x%04i' % msvcr_version)
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								        # MS_WIN64 should be defined when building for amd64 on windows,
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								        # but python headers define it only for MS compilers, which has all
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								        # kind of bad consequences, like using Py_ModuleInit4 instead of
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								        # Py_ModuleInit4_64, etc... So we add it here
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								        if get_build_architecture() == 'AMD64':
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								            self.set_executables(
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								                compiler='gcc -g -DDEBUG -DMS_WIN64 -O0 -Wall',
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								                compiler_so='gcc -g -DDEBUG -DMS_WIN64 -O0 -Wall '
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								                            '-Wstrict-prototypes',
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								                linker_exe='gcc -g',
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								                linker_so='gcc -g -shared')
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								        else:
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								            self.set_executables(
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								                compiler='gcc -O2 -Wall',
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								                compiler_so='gcc -O2 -Wall -Wstrict-prototypes',
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								                linker_exe='g++ ',
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								                linker_so='g++ -shared')
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								        # added for python2.3 support
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								        # we can't pass it through set_executables because pre 2.2 would fail
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								        self.compiler_cxx = ['g++']
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								 | 
							
								
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								        # Maybe we should also append -mthreads, but then the finished dlls
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								        # need another dll (mingwm10.dll see Mingw32 docs) (-mthreads: Support
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								        # thread-safe exception handling on `Mingw32')
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								        # no additional libraries needed
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								        #self.dll_libraries=[]
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								        return
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								    # __init__ ()
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								    def link(self,
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								             target_desc,
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								             objects,
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								             output_filename,
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								             output_dir,
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								             libraries,
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								             library_dirs,
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								             runtime_library_dirs,
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								             export_symbols = None,
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								             debug=0,
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								             extra_preargs=None,
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								             extra_postargs=None,
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								             build_temp=None,
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								             target_lang=None):
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								        # Include the appropriate MSVC runtime library if Python was built
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								        # with MSVC >= 7.0 (MinGW standard is msvcrt)
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								        runtime_library = msvc_runtime_library()
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								        if runtime_library:
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								            if not libraries:
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								                libraries = []
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								            libraries.append(runtime_library)
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								        args = (self,
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								                target_desc,
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								                objects,
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								                output_filename,
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								                output_dir,
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								                libraries,
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								                library_dirs,
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								                runtime_library_dirs,
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								                None, #export_symbols, we do this in our def-file
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								                debug,
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								                extra_preargs,
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								                extra_postargs,
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								                build_temp,
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								                target_lang)
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								        func = UnixCCompiler.link
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								        func(*args[:func.__code__.co_argcount])
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								        return
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								    def object_filenames (self,
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								                          source_filenames,
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								                          strip_dir=0,
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								                          output_dir=''):
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								        if output_dir is None: output_dir = ''
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								        obj_names = []
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								        for src_name in source_filenames:
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								            # use normcase to make sure '.rc' is really '.rc' and not '.RC'
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								            (base, ext) = os.path.splitext (os.path.normcase(src_name))
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								 | 
							
								
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								            # added these lines to strip off windows drive letters
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								            # without it, .o files are placed next to .c files
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								            # instead of the build directory
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								            drv, base = os.path.splitdrive(base)
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								            if drv:
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								                base = base[1:]
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								            if ext not in (self.src_extensions + ['.rc', '.res']):
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								                raise UnknownFileError(
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								                      "unknown file type '%s' (from '%s')" % \
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								                      (ext, src_name))
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								            if strip_dir:
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								                base = os.path.basename (base)
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								            if ext == '.res' or ext == '.rc':
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								                # these need to be compiled to object files
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								                obj_names.append (os.path.join (output_dir,
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								                                                base + ext + self.obj_extension))
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								            else:
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								                obj_names.append (os.path.join (output_dir,
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								                                                base + self.obj_extension))
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								        return obj_names
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								    # object_filenames ()
							 | 
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								 | 
							
								
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								def find_python_dll():
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								    # We can't do much here:
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								    # - find it in the virtualenv (sys.prefix)
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								    # - find it in python main dir (sys.base_prefix, if in a virtualenv)
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								    # - in system32,
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								    # - otherwise (Sxs), I don't know how to get it.
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								    stems = [sys.prefix]
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								    if sys.base_prefix != sys.prefix:
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								        stems.append(sys.base_prefix)
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| 
								 | 
							
								
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								    sub_dirs = ['', 'lib', 'bin']
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								    # generate possible combinations of directory trees and sub-directories
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								    lib_dirs = []
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								    for stem in stems:
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								        for folder in sub_dirs:
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								            lib_dirs.append(os.path.join(stem, folder))
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								 | 
							
								
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								    # add system directory as well
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								    if 'SYSTEMROOT' in os.environ:
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								        lib_dirs.append(os.path.join(os.environ['SYSTEMROOT'], 'System32'))
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								 | 
							
								
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								    # search in the file system for possible candidates
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								    major_version, minor_version = tuple(sys.version_info[:2])
							 | 
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								    implementation = sys.implementation.name
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								    if implementation == 'cpython':
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								        dllname = f'python{major_version}{minor_version}.dll'
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								    elif implementation == 'pypy':
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								        dllname = f'libpypy{major_version}.{minor_version}-c.dll'
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								    else:
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								        dllname = f'Unknown platform {implementation}' 
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								    print("Looking for %s" % dllname)
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								    for folder in lib_dirs:
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								        dll = os.path.join(folder, dllname)
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								        if os.path.exists(dll):
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								            return dll
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								    raise ValueError("%s not found in %s" % (dllname, lib_dirs))
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								 | 
							
								
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								def dump_table(dll):
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								    st = subprocess.check_output(["objdump.exe", "-p", dll])
							 | 
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								    return st.split(b'\n')
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						||
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								 | 
							
								
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								def generate_def(dll, dfile):
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								    """Given a dll file location,  get all its exported symbols and dump them
							 | 
						||
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								    into the given def file.
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								 | 
							
								
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								    The .def file will be overwritten"""
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						||
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								    dump = dump_table(dll)
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						||
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								    for i in range(len(dump)):
							 | 
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								        if _START.match(dump[i].decode()):
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								            break
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								    else:
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								        raise ValueError("Symbol table not found")
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								 | 
							
								
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								    syms = []
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								    for j in range(i+1, len(dump)):
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								        m = _TABLE.match(dump[j].decode())
							 | 
						||
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								        if m:
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								            syms.append((int(m.group(1).strip()), m.group(2)))
							 | 
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								        else:
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								            break
							 | 
						||
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								 | 
							
								
							 | 
						||
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								 | 
							
								    if len(syms) == 0:
							 | 
						||
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								 | 
							
								        log.warn('No symbols found in %s' % dll)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
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								 | 
							
								    with open(dfile, 'w') as d:
							 | 
						||
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								 | 
							
								        d.write('LIBRARY        %s\n' % os.path.basename(dll))
							 | 
						||
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								 | 
							
								        d.write(';CODE          PRELOAD MOVEABLE DISCARDABLE\n')
							 | 
						||
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								 | 
							
								        d.write(';DATA          PRELOAD SINGLE\n')
							 | 
						||
| 
								 | 
							
								        d.write('\nEXPORTS\n')
							 | 
						||
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								 | 
							
								        for s in syms:
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						||
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								 | 
							
								            #d.write('@%d    %s\n' % (s[0], s[1]))
							 | 
						||
| 
								 | 
							
								            d.write('%s\n' % s[1])
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def find_dll(dll_name):
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    arch = {'AMD64' : 'amd64',
							 | 
						||
| 
								 | 
							
								            'ARM64' : 'arm64',
							 | 
						||
| 
								 | 
							
								            'Intel' : 'x86'}[get_build_architecture()]
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def _find_dll_in_winsxs(dll_name):
							 | 
						||
| 
								 | 
							
								        # Walk through the WinSxS directory to find the dll.
							 | 
						||
| 
								 | 
							
								        winsxs_path = os.path.join(os.environ.get('WINDIR', r'C:\WINDOWS'),
							 | 
						||
| 
								 | 
							
								                                   'winsxs')
							 | 
						||
| 
								 | 
							
								        if not os.path.exists(winsxs_path):
							 | 
						||
| 
								 | 
							
								            return None
							 | 
						||
| 
								 | 
							
								        for root, dirs, files in os.walk(winsxs_path):
							 | 
						||
| 
								 | 
							
								            if dll_name in files and arch in root:
							 | 
						||
| 
								 | 
							
								                return os.path.join(root, dll_name)
							 | 
						||
| 
								 | 
							
								        return None
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def _find_dll_in_path(dll_name):
							 | 
						||
| 
								 | 
							
								        # First, look in the Python directory, then scan PATH for
							 | 
						||
| 
								 | 
							
								        # the given dll name.
							 | 
						||
| 
								 | 
							
								        for path in [sys.prefix] + os.environ['PATH'].split(';'):
							 | 
						||
| 
								 | 
							
								            filepath = os.path.join(path, dll_name)
							 | 
						||
| 
								 | 
							
								            if os.path.exists(filepath):
							 | 
						||
| 
								 | 
							
								                return os.path.abspath(filepath)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    return _find_dll_in_winsxs(dll_name) or _find_dll_in_path(dll_name)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def build_msvcr_library(debug=False):
							 | 
						||
| 
								 | 
							
								    if os.name != 'nt':
							 | 
						||
| 
								 | 
							
								        return False
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # If the version number is None, then we couldn't find the MSVC runtime at
							 | 
						||
| 
								 | 
							
								    # all, because we are running on a Python distribution which is customed
							 | 
						||
| 
								 | 
							
								    # compiled; trust that the compiler is the same as the one available to us
							 | 
						||
| 
								 | 
							
								    # now, and that it is capable of linking with the correct runtime without
							 | 
						||
| 
								 | 
							
								    # any extra options.
							 | 
						||
| 
								 | 
							
								    msvcr_ver = msvc_runtime_major()
							 | 
						||
| 
								 | 
							
								    if msvcr_ver is None:
							 | 
						||
| 
								 | 
							
								        log.debug('Skip building import library: '
							 | 
						||
| 
								 | 
							
								                  'Runtime is not compiled with MSVC')
							 | 
						||
| 
								 | 
							
								        return False
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # Skip using a custom library for versions < MSVC 8.0
							 | 
						||
| 
								 | 
							
								    if msvcr_ver < 80:
							 | 
						||
| 
								 | 
							
								        log.debug('Skip building msvcr library:'
							 | 
						||
| 
								 | 
							
								                  ' custom functionality not present')
							 | 
						||
| 
								 | 
							
								        return False
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    msvcr_name = msvc_runtime_library()
							 | 
						||
| 
								 | 
							
								    if debug:
							 | 
						||
| 
								 | 
							
								        msvcr_name += 'd'
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # Skip if custom library already exists
							 | 
						||
| 
								 | 
							
								    out_name = "lib%s.a" % msvcr_name
							 | 
						||
| 
								 | 
							
								    out_file = os.path.join(sys.prefix, 'libs', out_name)
							 | 
						||
| 
								 | 
							
								    if os.path.isfile(out_file):
							 | 
						||
| 
								 | 
							
								        log.debug('Skip building msvcr library: "%s" exists' %
							 | 
						||
| 
								 | 
							
								                  (out_file,))
							 | 
						||
| 
								 | 
							
								        return True
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # Find the msvcr dll
							 | 
						||
| 
								 | 
							
								    msvcr_dll_name = msvcr_name + '.dll'
							 | 
						||
| 
								 | 
							
								    dll_file = find_dll(msvcr_dll_name)
							 | 
						||
| 
								 | 
							
								    if not dll_file:
							 | 
						||
| 
								 | 
							
								        log.warn('Cannot build msvcr library: "%s" not found' %
							 | 
						||
| 
								 | 
							
								                 msvcr_dll_name)
							 | 
						||
| 
								 | 
							
								        return False
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def_name = "lib%s.def" % msvcr_name
							 | 
						||
| 
								 | 
							
								    def_file = os.path.join(sys.prefix, 'libs', def_name)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    log.info('Building msvcr library: "%s" (from %s)' \
							 | 
						||
| 
								 | 
							
								             % (out_file, dll_file))
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # Generate a symbol definition file from the msvcr dll
							 | 
						||
| 
								 | 
							
								    generate_def(dll_file, def_file)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # Create a custom mingw library for the given symbol definitions
							 | 
						||
| 
								 | 
							
								    cmd = ['dlltool', '-d', def_file, '-l', out_file]
							 | 
						||
| 
								 | 
							
								    retcode = subprocess.call(cmd)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # Clean up symbol definitions
							 | 
						||
| 
								 | 
							
								    os.remove(def_file)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    return (not retcode)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def build_import_library():
							 | 
						||
| 
								 | 
							
								    if os.name != 'nt':
							 | 
						||
| 
								 | 
							
								        return
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    arch = get_build_architecture()
							 | 
						||
| 
								 | 
							
								    if arch == 'AMD64':
							 | 
						||
| 
								 | 
							
								        return _build_import_library_amd64()
							 | 
						||
| 
								 | 
							
								    if arch == 'ARM64':
							 | 
						||
| 
								 | 
							
								        return _build_import_library_arm64()
							 | 
						||
| 
								 | 
							
								    elif arch == 'Intel':
							 | 
						||
| 
								 | 
							
								        return _build_import_library_x86()
							 | 
						||
| 
								 | 
							
								    else:
							 | 
						||
| 
								 | 
							
								        raise ValueError("Unhandled arch %s" % arch)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def _check_for_import_lib():
							 | 
						||
| 
								 | 
							
								    """Check if an import library for the Python runtime already exists."""
							 | 
						||
| 
								 | 
							
								    major_version, minor_version = tuple(sys.version_info[:2])
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # patterns for the file name of the library itself
							 | 
						||
| 
								 | 
							
								    patterns = ['libpython%d%d.a',
							 | 
						||
| 
								 | 
							
								                'libpython%d%d.dll.a',
							 | 
						||
| 
								 | 
							
								                'libpython%d.%d.dll.a']
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # directory trees that may contain the library
							 | 
						||
| 
								 | 
							
								    stems = [sys.prefix]
							 | 
						||
| 
								 | 
							
								    if hasattr(sys, 'base_prefix') and sys.base_prefix != sys.prefix:
							 | 
						||
| 
								 | 
							
								        stems.append(sys.base_prefix)
							 | 
						||
| 
								 | 
							
								    elif hasattr(sys, 'real_prefix') and sys.real_prefix != sys.prefix:
							 | 
						||
| 
								 | 
							
								        stems.append(sys.real_prefix)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # possible subdirectories within those trees where it is placed
							 | 
						||
| 
								 | 
							
								    sub_dirs = ['libs', 'lib']
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # generate a list of candidate locations
							 | 
						||
| 
								 | 
							
								    candidates = []
							 | 
						||
| 
								 | 
							
								    for pat in patterns:
							 | 
						||
| 
								 | 
							
								        filename = pat % (major_version, minor_version)
							 | 
						||
| 
								 | 
							
								        for stem_dir in stems:
							 | 
						||
| 
								 | 
							
								            for folder in sub_dirs:
							 | 
						||
| 
								 | 
							
								                candidates.append(os.path.join(stem_dir, folder, filename))
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # test the filesystem to see if we can find any of these
							 | 
						||
| 
								 | 
							
								    for fullname in candidates:
							 | 
						||
| 
								 | 
							
								        if os.path.isfile(fullname):
							 | 
						||
| 
								 | 
							
								            # already exists, in location given
							 | 
						||
| 
								 | 
							
								            return (True, fullname)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # needs to be built, preferred location given first
							 | 
						||
| 
								 | 
							
								    return (False, candidates[0])
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def _build_import_library_amd64():
							 | 
						||
| 
								 | 
							
								    out_exists, out_file = _check_for_import_lib()
							 | 
						||
| 
								 | 
							
								    if out_exists:
							 | 
						||
| 
								 | 
							
								        log.debug('Skip building import library: "%s" exists', out_file)
							 | 
						||
| 
								 | 
							
								        return
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # get the runtime dll for which we are building import library
							 | 
						||
| 
								 | 
							
								    dll_file = find_python_dll()
							 | 
						||
| 
								 | 
							
								    log.info('Building import library (arch=AMD64): "%s" (from %s)' %
							 | 
						||
| 
								 | 
							
								             (out_file, dll_file))
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # generate symbol list from this library
							 | 
						||
| 
								 | 
							
								    def_name = "python%d%d.def" % tuple(sys.version_info[:2])
							 | 
						||
| 
								 | 
							
								    def_file = os.path.join(sys.prefix, 'libs', def_name)
							 | 
						||
| 
								 | 
							
								    generate_def(dll_file, def_file)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # generate import library from this symbol list
							 | 
						||
| 
								 | 
							
								    cmd = ['dlltool', '-d', def_file, '-l', out_file]
							 | 
						||
| 
								 | 
							
								    subprocess.check_call(cmd)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def _build_import_library_arm64():
							 | 
						||
| 
								 | 
							
								    out_exists, out_file = _check_for_import_lib()
							 | 
						||
| 
								 | 
							
								    if out_exists:
							 | 
						||
| 
								 | 
							
								        log.debug('Skip building import library: "%s" exists', out_file)
							 | 
						||
| 
								 | 
							
								        return
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # get the runtime dll for which we are building import library
							 | 
						||
| 
								 | 
							
								    dll_file = find_python_dll()
							 | 
						||
| 
								 | 
							
								    log.info('Building import library (arch=ARM64): "%s" (from %s)' %
							 | 
						||
| 
								 | 
							
								             (out_file, dll_file))
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # generate symbol list from this library
							 | 
						||
| 
								 | 
							
								    def_name = "python%d%d.def" % tuple(sys.version_info[:2])
							 | 
						||
| 
								 | 
							
								    def_file = os.path.join(sys.prefix, 'libs', def_name)
							 | 
						||
| 
								 | 
							
								    generate_def(dll_file, def_file)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    # generate import library from this symbol list
							 | 
						||
| 
								 | 
							
								    cmd = ['dlltool', '-d', def_file, '-l', out_file]
							 | 
						||
| 
								 | 
							
								    subprocess.check_call(cmd)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def _build_import_library_x86():
							 | 
						||
| 
								 | 
							
								    """ Build the import libraries for Mingw32-gcc on Windows
							 | 
						||
| 
								 | 
							
								    """
							 | 
						||
| 
								 | 
							
								    out_exists, out_file = _check_for_import_lib()
							 | 
						||
| 
								 | 
							
								    if out_exists:
							 | 
						||
| 
								 | 
							
								        log.debug('Skip building import library: "%s" exists', out_file)
							 | 
						||
| 
								 | 
							
								        return
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    lib_name = "python%d%d.lib" % tuple(sys.version_info[:2])
							 | 
						||
| 
								 | 
							
								    lib_file = os.path.join(sys.prefix, 'libs', lib_name)
							 | 
						||
| 
								 | 
							
								    if not os.path.isfile(lib_file):
							 | 
						||
| 
								 | 
							
								        # didn't find library file in virtualenv, try base distribution, too,
							 | 
						||
| 
								 | 
							
								        # and use that instead if found there. for Python 2.7 venvs, the base
							 | 
						||
| 
								 | 
							
								        # directory is in attribute real_prefix instead of base_prefix.
							 | 
						||
| 
								 | 
							
								        if hasattr(sys, 'base_prefix'):
							 | 
						||
| 
								 | 
							
								            base_lib = os.path.join(sys.base_prefix, 'libs', lib_name)
							 | 
						||
| 
								 | 
							
								        elif hasattr(sys, 'real_prefix'):
							 | 
						||
| 
								 | 
							
								            base_lib = os.path.join(sys.real_prefix, 'libs', lib_name)
							 | 
						||
| 
								 | 
							
								        else:
							 | 
						||
| 
								 | 
							
								            base_lib = ''  # os.path.isfile('') == False
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								        if os.path.isfile(base_lib):
							 | 
						||
| 
								 | 
							
								            lib_file = base_lib
							 | 
						||
| 
								 | 
							
								        else:
							 | 
						||
| 
								 | 
							
								            log.warn('Cannot build import library: "%s" not found', lib_file)
							 | 
						||
| 
								 | 
							
								            return
							 | 
						||
| 
								 | 
							
								    log.info('Building import library (ARCH=x86): "%s"', out_file)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    from numpy.distutils import lib2def
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    def_name = "python%d%d.def" % tuple(sys.version_info[:2])
							 | 
						||
| 
								 | 
							
								    def_file = os.path.join(sys.prefix, 'libs', def_name)
							 | 
						||
| 
								 | 
							
								    nm_output = lib2def.getnm(
							 | 
						||
| 
								 | 
							
								            lib2def.DEFAULT_NM + [lib_file], shell=False)
							 | 
						||
| 
								 | 
							
								    dlist, flist = lib2def.parse_nm(nm_output)
							 | 
						||
| 
								 | 
							
								    with open(def_file, 'w') as fid:
							 | 
						||
| 
								 | 
							
								        lib2def.output_def(dlist, flist, lib2def.DEF_HEADER, fid)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    dll_name = find_python_dll ()
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    cmd = ["dlltool",
							 | 
						||
| 
								 | 
							
								           "--dllname", dll_name,
							 | 
						||
| 
								 | 
							
								           "--def", def_file,
							 | 
						||
| 
								 | 
							
								           "--output-lib", out_file]
							 | 
						||
| 
								 | 
							
								    status = subprocess.check_output(cmd)
							 | 
						||
| 
								 | 
							
								    if status:
							 | 
						||
| 
								 | 
							
								        log.warn('Failed to build import library for gcc. Linking will fail.')
							 | 
						||
| 
								 | 
							
								    return
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#=====================================
							 | 
						||
| 
								 | 
							
								# Dealing with Visual Studio MANIFESTS
							 | 
						||
| 
								 | 
							
								#=====================================
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								# Functions to deal with visual studio manifests. Manifest are a mechanism to
							 | 
						||
| 
								 | 
							
								# enforce strong DLL versioning on windows, and has nothing to do with
							 | 
						||
| 
								 | 
							
								# distutils MANIFEST. manifests are XML files with version info, and used by
							 | 
						||
| 
								 | 
							
								# the OS loader; they are necessary when linking against a DLL not in the
							 | 
						||
| 
								 | 
							
								# system path; in particular, official python 2.6 binary is built against the
							 | 
						||
| 
								 | 
							
								# MS runtime 9 (the one from VS 2008), which is not available on most windows
							 | 
						||
| 
								 | 
							
								# systems; python 2.6 installer does install it in the Win SxS (Side by side)
							 | 
						||
| 
								 | 
							
								# directory, but this requires the manifest for this to work. This is a big
							 | 
						||
| 
								 | 
							
								# mess, thanks MS for a wonderful system.
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								# XXX: ideally, we should use exactly the same version as used by python. I
							 | 
						||
| 
								 | 
							
								# submitted a patch to get this version, but it was only included for python
							 | 
						||
| 
								 | 
							
								# 2.6.1 and above. So for versions below, we use a "best guess".
							 | 
						||
| 
								 | 
							
								_MSVCRVER_TO_FULLVER = {}
							 | 
						||
| 
								 | 
							
								if sys.platform == 'win32':
							 | 
						||
| 
								 | 
							
								    try:
							 | 
						||
| 
								 | 
							
								        import msvcrt
							 | 
						||
| 
								 | 
							
								        # I took one version in my SxS directory: no idea if it is the good
							 | 
						||
| 
								 | 
							
								        # one, and we can't retrieve it from python
							 | 
						||
| 
								 | 
							
								        _MSVCRVER_TO_FULLVER['80'] = "8.0.50727.42"
							 | 
						||
| 
								 | 
							
								        _MSVCRVER_TO_FULLVER['90'] = "9.0.21022.8"
							 | 
						||
| 
								 | 
							
								        # Value from msvcrt.CRT_ASSEMBLY_VERSION under Python 3.3.0
							 | 
						||
| 
								 | 
							
								        # on Windows XP:
							 | 
						||
| 
								 | 
							
								        _MSVCRVER_TO_FULLVER['100'] = "10.0.30319.460"
							 | 
						||
| 
								 | 
							
								        crt_ver = getattr(msvcrt, 'CRT_ASSEMBLY_VERSION', None)
							 | 
						||
| 
								 | 
							
								        if crt_ver is not None:  # Available at least back to Python 3.3
							 | 
						||
| 
								 | 
							
								            maj, min = re.match(r'(\d+)\.(\d)', crt_ver).groups()
							 | 
						||
| 
								 | 
							
								            _MSVCRVER_TO_FULLVER[maj + min] = crt_ver
							 | 
						||
| 
								 | 
							
								            del maj, min
							 | 
						||
| 
								 | 
							
								        del crt_ver
							 | 
						||
| 
								 | 
							
								    except ImportError:
							 | 
						||
| 
								 | 
							
								        # If we are here, means python was not built with MSVC. Not sure what
							 | 
						||
| 
								 | 
							
								        # to do in that case: manifest building will fail, but it should not be
							 | 
						||
| 
								 | 
							
								        # used in that case anyway
							 | 
						||
| 
								 | 
							
								        log.warn('Cannot import msvcrt: using manifest will not be possible')
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def msvc_manifest_xml(maj, min):
							 | 
						||
| 
								 | 
							
								    """Given a major and minor version of the MSVCR, returns the
							 | 
						||
| 
								 | 
							
								    corresponding XML file."""
							 | 
						||
| 
								 | 
							
								    try:
							 | 
						||
| 
								 | 
							
								        fullver = _MSVCRVER_TO_FULLVER[str(maj * 10 + min)]
							 | 
						||
| 
								 | 
							
								    except KeyError:
							 | 
						||
| 
								 | 
							
								        raise ValueError("Version %d,%d of MSVCRT not supported yet" %
							 | 
						||
| 
								 | 
							
								                         (maj, min)) from None
							 | 
						||
| 
								 | 
							
								    # Don't be fooled, it looks like an XML, but it is not. In particular, it
							 | 
						||
| 
								 | 
							
								    # should not have any space before starting, and its size should be
							 | 
						||
| 
								 | 
							
								    # divisible by 4, most likely for alignment constraints when the xml is
							 | 
						||
| 
								 | 
							
								    # embedded in the binary...
							 | 
						||
| 
								 | 
							
								    # This template was copied directly from the python 2.6 binary (using
							 | 
						||
| 
								 | 
							
								    # strings.exe from mingw on python.exe).
							 | 
						||
| 
								 | 
							
								    template = textwrap.dedent("""\
							 | 
						||
| 
								 | 
							
								        <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
							 | 
						||
| 
								 | 
							
								          <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
							 | 
						||
| 
								 | 
							
								            <security>
							 | 
						||
| 
								 | 
							
								              <requestedPrivileges>
							 | 
						||
| 
								 | 
							
								                <requestedExecutionLevel level="asInvoker" uiAccess="false"></requestedExecutionLevel>
							 | 
						||
| 
								 | 
							
								              </requestedPrivileges>
							 | 
						||
| 
								 | 
							
								            </security>
							 | 
						||
| 
								 | 
							
								          </trustInfo>
							 | 
						||
| 
								 | 
							
								          <dependency>
							 | 
						||
| 
								 | 
							
								            <dependentAssembly>
							 | 
						||
| 
								 | 
							
								              <assemblyIdentity type="win32" name="Microsoft.VC%(maj)d%(min)d.CRT" version="%(fullver)s" processorArchitecture="*" publicKeyToken="1fc8b3b9a1e18e3b"></assemblyIdentity>
							 | 
						||
| 
								 | 
							
								            </dependentAssembly>
							 | 
						||
| 
								 | 
							
								          </dependency>
							 | 
						||
| 
								 | 
							
								        </assembly>""")
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    return template % {'fullver': fullver, 'maj': maj, 'min': min}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def manifest_rc(name, type='dll'):
							 | 
						||
| 
								 | 
							
								    """Return the rc file used to generate the res file which will be embedded
							 | 
						||
| 
								 | 
							
								    as manifest for given manifest file name, of given type ('dll' or
							 | 
						||
| 
								 | 
							
								    'exe').
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    Parameters
							 | 
						||
| 
								 | 
							
								    ----------
							 | 
						||
| 
								 | 
							
								    name : str
							 | 
						||
| 
								 | 
							
								            name of the manifest file to embed
							 | 
						||
| 
								 | 
							
								    type : str {'dll', 'exe'}
							 | 
						||
| 
								 | 
							
								            type of the binary which will embed the manifest
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    """
							 | 
						||
| 
								 | 
							
								    if type == 'dll':
							 | 
						||
| 
								 | 
							
								        rctype = 2
							 | 
						||
| 
								 | 
							
								    elif type == 'exe':
							 | 
						||
| 
								 | 
							
								        rctype = 1
							 | 
						||
| 
								 | 
							
								    else:
							 | 
						||
| 
								 | 
							
								        raise ValueError("Type %s not supported" % type)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    return """\
							 | 
						||
| 
								 | 
							
								#include "winuser.h"
							 | 
						||
| 
								 | 
							
								%d RT_MANIFEST %s""" % (rctype, name)
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def check_embedded_msvcr_match_linked(msver):
							 | 
						||
| 
								 | 
							
								    """msver is the ms runtime version used for the MANIFEST."""
							 | 
						||
| 
								 | 
							
								    # check msvcr major version are the same for linking and
							 | 
						||
| 
								 | 
							
								    # embedding
							 | 
						||
| 
								 | 
							
								    maj = msvc_runtime_major()
							 | 
						||
| 
								 | 
							
								    if maj:
							 | 
						||
| 
								 | 
							
								        if not maj == int(msver):
							 | 
						||
| 
								 | 
							
								            raise ValueError(
							 | 
						||
| 
								 | 
							
								                  "Discrepancy between linked msvcr " \
							 | 
						||
| 
								 | 
							
								                  "(%d) and the one about to be embedded " \
							 | 
						||
| 
								 | 
							
								                  "(%d)" % (int(msver), maj))
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def configtest_name(config):
							 | 
						||
| 
								 | 
							
								    base = os.path.basename(config._gen_temp_sourcefile("yo", [], "c"))
							 | 
						||
| 
								 | 
							
								    return os.path.splitext(base)[0]
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def manifest_name(config):
							 | 
						||
| 
								 | 
							
								    # Get configest name (including suffix)
							 | 
						||
| 
								 | 
							
								    root = configtest_name(config)
							 | 
						||
| 
								 | 
							
								    exext = config.compiler.exe_extension
							 | 
						||
| 
								 | 
							
								    return root + exext + ".manifest"
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def rc_name(config):
							 | 
						||
| 
								 | 
							
								    # Get configtest name (including suffix)
							 | 
						||
| 
								 | 
							
								    root = configtest_name(config)
							 | 
						||
| 
								 | 
							
								    return root + ".rc"
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								def generate_manifest(config):
							 | 
						||
| 
								 | 
							
								    msver = get_build_msvc_version()
							 | 
						||
| 
								 | 
							
								    if msver is not None:
							 | 
						||
| 
								 | 
							
								        if msver >= 8:
							 | 
						||
| 
								 | 
							
								            check_embedded_msvcr_match_linked(msver)
							 | 
						||
| 
								 | 
							
								            ma_str, mi_str = str(msver).split('.')
							 | 
						||
| 
								 | 
							
								            # Write the manifest file
							 | 
						||
| 
								 | 
							
								            manxml = msvc_manifest_xml(int(ma_str), int(mi_str))
							 | 
						||
| 
								 | 
							
								            with open(manifest_name(config), "w") as man:
							 | 
						||
| 
								 | 
							
								                config.temp_files.append(manifest_name(config))
							 | 
						||
| 
								 | 
							
								                man.write(manxml)
							 |