Function __exec_python_cmd

PyInstaller/utils/hooks/__init__.py:45–70

Executes an externally spawned Python interpreter. If capture_stdout is set to True, returns anything that was emitted in the standard output as a single string. Otherwise, returns the exit code.

(cmd, env=None, capture_stdout=True)

def __exec_python_cmd(cmd, env=None, capture_stdout=True):
    """
    Executes an externally spawned Python interpreter. If capture_stdout is set to True, returns anything that was
    emitted in the standard output as a single string. Otherwise, returns the exit code.
    """
    # 'PyInstaller.config' cannot be imported as other top-level modules.
    from PyInstaller.config import CONF
    if env is None:
        env = {}
    # Update environment. Defaults to 'os.environ'
    pp_env = copy.deepcopy(os.environ)
    pp_env.update(env)
    # Prepend PYTHONPATH with pathex.
    # Some functions use some PyInstaller code in subprocess, so add PyInstaller HOMEPATH to sys.path as well.
    pp = os.pathsep.join(CONF['pathex'] + [HOMEPATH])

    # PYTHONPATH might be already defined in the 'env' argument or in the original 'os.environ'. Prepend it.
    if 'PYTHONPATH' in pp_env:
        pp = os.pathsep.join([pp_env.get('PYTHONPATH'), pp])
    pp_env['PYTHONPATH'] = pp

    if capture_stdout:
        txt = compat.exec_python(*cmd, env=pp_env)
        return txt.strip()
    else:
        return compat.exec_python_rc(*cmd, env=pp_env)


def __exec_statement(statement, capture_stdout=True):