diff options
| -rw-r--r-- | distutils/sysconfig.py | 94 |
1 files changed, 64 insertions, 30 deletions
diff --git a/distutils/sysconfig.py b/distutils/sysconfig.py index 32fec3af..e41d51ee 100644 --- a/distutils/sysconfig.py +++ b/distutils/sysconfig.py @@ -118,40 +118,74 @@ def get_python_inc(plat_specific=0, prefix=None): If 'prefix' is supplied, use it instead of sys.base_prefix or sys.base_exec_prefix -- i.e., ignore 'plat_specific'. """ - if prefix is None: - prefix = plat_specific and BASE_EXEC_PREFIX or BASE_PREFIX - if os.name == "posix": - if IS_PYPY and sys.version_info < (3, 8): - return os.path.join(prefix, 'include') - if python_build: - # Assume the executable is in the build directory. The - # pyconfig.h file should be in the same directory. Since - # the build directory may not be the source directory, we - # must use "srcdir" from the makefile to find the "Include" - # directory. - if plat_specific: - return _sys_home or project_base - else: - incdir = os.path.join(get_config_var('srcdir'), 'Include') - return os.path.normpath(incdir) - implementation = 'pypy' if IS_PYPY else 'python' - python_dir = implementation + get_python_version() + build_flags - return os.path.join(prefix, "include", python_dir) - elif os.name == "nt": - if python_build: - # Include both the include and PC dir to ensure we can find - # pyconfig.h - return ( - os.path.join(prefix, "include") - + os.path.pathsep - + os.path.join(prefix, "PC") - ) - return os.path.join(prefix, "include") - else: + default_prefix = BASE_EXEC_PREFIX if plat_specific else BASE_PREFIX + resolved_prefix = prefix if prefix is not None else default_prefix + try: + getter = globals()[f'_get_python_inc_{os.name}'] + except KeyError: raise DistutilsPlatformError( "I don't know where Python installs its C header files " "on platform '%s'" % os.name ) + return getter(resolved_prefix, prefix, plat_specific) + + +def _get_python_inc_posix(prefix, spec_prefix, plat_specific): + if IS_PYPY and sys.version_info < (3, 8): + return os.path.join(prefix, 'include') + return ( + _get_python_inc_posix_python(plat_specific) + or _get_python_inc_from_config(plat_specific, spec_prefix) + or _get_python_inc_posix_prefix(prefix) + ) + + +def _get_python_inc_posix_python(plat_specific): + """ + Assume the executable is in the build directory. The + pyconfig.h file should be in the same directory. Since + the build directory may not be the source directory, + use "srcdir" from the makefile to find the "Include" + directory. + """ + if not python_build: + return + if plat_specific: + return _sys_home or project_base + incdir = os.path.join(get_config_var('srcdir'), 'Include') + return os.path.normpath(incdir) + + +def _get_python_inc_from_config(plat_specific, spec_prefix): + """ + If no prefix was explicitly specified, provide the include + directory from the config vars. Useful when + cross-compiling, since the config vars may come from + the host + platform Python installation, while the current Python + executable is from the build platform installation. + """ + if not spec_prefix: + return + return get_config_var('CONF' * plat_specific + 'INCLUDEPY') + + +def _get_python_inc_posix_prefix(prefix): + implementation = 'pypy' if IS_PYPY else 'python' + python_dir = implementation + get_python_version() + build_flags + return os.path.join(prefix, "include", python_dir) + + +def _get_python_inc_nt(prefix, spec_prefix, plat_specific): + if python_build: + # Include both the include and PC dir to ensure we can find + # pyconfig.h + return ( + os.path.join(prefix, "include") + + os.path.pathsep + + os.path.join(prefix, "PC") + ) + return os.path.join(prefix, "include") # allow this behavior to be monkey-patched. Ref pypa/distutils#2. |