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import distutils.sysconfig
import os
import platform
import re
import sys
def get_python_relative_libdir():
"""Returns the appropropriate python libdir relative to the build directory.
@param exe_path the path to the lldb executable
@return the python path that needs to be added to sys.path (PYTHONPATH)
in order to find the lldb python module.
"""
if platform.system() != 'Linux':
return None
# We currently have a bug in lldb -P that does not account for
# architecture variants in python paths for
# architecture-specific modules. Handle the lookup here.
# When that bug is fixed, we should just ask lldb for the
# right answer always.
arch_specific_libdir = distutils.sysconfig.get_python_lib(True, False)
split_libdir = arch_specific_libdir.split(os.sep)
lib_re = re.compile(r"^lib.+$")
for i in range(len(split_libdir)):
match = lib_re.match(split_libdir[i])
if match is not None:
# We'll call this the relative root of the lib dir.
# Things like RHEL will have an arch-specific python
# lib dir, which isn't 'lib' on x86_64.
return os.sep.join(split_libdir[i:])
# Didn't resolve it.
return None
if __name__ == '__main__':
lib_dir = get_python_relative_libdir()
if lib_dir is not None:
sys.stdout.write(lib_dir)
sys.exit(0)
else:
sys.exit(1)
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