다음은 실행중인 Python에 대해 libpythonxx.so
/pythonxx.lib
을 찾습니다 (약간 긴) subroutine in skbuild.cmaker
입니다. CMake에서는 350 라인의 Modules/FindPythonLibs.cmake
이이 작업에 사용됩니다.
단지 디렉토리를 가져 그 이전의 일부하지만 훨씬 간단합니다 :
libdir = dustutils.sysconfig.get_config_var('LIBDIR')
if sysconfig.get_config_var('MULTIARCH'):
masd = sysconfig.get_config_var('multiarchsubdir')
if masd:
if masd.startswith(os.sep):
masd = masd[len(os.sep):]
libdir = os.path.join(libdir, masd)
if libdir is None:
libdir = os.path.abspath(os.path.join(
sysconfig.get_config_var('LIBDEST'), "..", "libs"))
def get_python_library(python_version):
"""Get path to the python library associated with the current python
interpreter."""
# determine direct path to libpython
python_library = sysconfig.get_config_var('LIBRARY')
# if static (or nonexistent), try to find a suitable dynamic libpython
if (python_library is None or
os.path.splitext(python_library)[1][-2:] == '.a'):
candidate_lib_prefixes = ['', 'lib']
candidate_extensions = ['.lib', '.so', '.a']
if sysconfig.get_config_var('WITH_DYLD'):
candidate_extensions.insert(0, '.dylib')
candidate_versions = [python_version]
if python_version:
candidate_versions.append('')
candidate_versions.insert(
0, "".join(python_version.split(".")[:2]))
abiflags = getattr(sys, 'abiflags', '')
candidate_abiflags = [abiflags]
if abiflags:
candidate_abiflags.append('')
# Ensure the value injected by virtualenv is
# returned on windows.
# Because calling `sysconfig.get_config_var('multiarchsubdir')`
# returns an empty string on Linux, `du_sysconfig` is only used to
# get the value of `LIBDIR`.
libdir = du_sysconfig.get_config_var('LIBDIR')
if sysconfig.get_config_var('MULTIARCH'):
masd = sysconfig.get_config_var('multiarchsubdir')
if masd:
if masd.startswith(os.sep):
masd = masd[len(os.sep):]
libdir = os.path.join(libdir, masd)
if libdir is None:
libdir = os.path.abspath(os.path.join(
sysconfig.get_config_var('LIBDEST'), "..", "libs"))
candidates = (
os.path.join(
libdir,
''.join((pre, 'python', ver, abi, ext))
)
for (pre, ext, ver, abi) in itertools.product(
candidate_lib_prefixes,
candidate_extensions,
candidate_versions,
candidate_abiflags
)
)
for candidate in candidates:
if os.path.exists(candidate):
# we found a (likely alternate) libpython
python_library = candidate
break
# TODO(opadron): what happens if we don't find a libpython?
return python_library