Python interpreter info

python_interpreter_info.py

import json
import sys
import os
import pkg_resources


def validate_path(path):
    if path:
        return path.split(os.pathsep)
    else:
        return None


def get_working_set():
    l = []
    for i in pkg_resources.working_set:
        l.append('{} {} {}'.format(i.key, i.version, i.location))
    return l


def get_version_info():
    return '{}.{}.{} {} serial={}'.format(sys.version_info.major, sys.version_info.minor, sys.version_info.micro,
                                          sys.version_info.releaselevel, sys.version_info.serial)


def main():
    d = {
        'general_info': {
            'sys.prefix': sys.prefix,
            'sys.executable': sys.executable,
            'sys.version_info': get_version_info(),
            '__file__': __file__ if '__file__' in globals() else None,
        },
        'sys.path': sys.path,
        'pkg_resources.working_set': get_working_set(),
        'environ': {
            'PATH': validate_path(os.getenv('PATH')),
            'PYTHONPATH': validate_path(os.getenv('PYTHONPATH')),
            'VIRTUAL_ENV': os.environ.get('VIRTUAL_ENV'),
            'CONDA_PREFIX': os.environ.get('CONDA_PREFIX'),
            'PYCHARM_HOSTED': os.environ.get('PYCHARM_HOSTED'),
        }
    }
    j = json.dumps(d, indent=4)
    print(j)


if __name__ == '__main__':
    main()

Why is os.environ['PATH'].split(os.pathsep) inspected twice and associated with different keys? Shouldn't the second occurrence be os.environ['PYTHONPATH'].split(os.pathsep)? Note that PYTHONPATH is not always set (and usually not needed).

What a silly mistake, thanks for pointing that out.