wsgi.py 文件源码

def _is_dev_mode():
    # Some embedded python interpreters won't have sys.arv
    # For details, see https://github.com/webpy/webpy/issues/87
    argv = getattr(sys, "argv", [])

    # quick hack to check if the program is running in dev mode.
    if 'SERVER_SOFTWARE' in os.environ \
        or 'PHP_FCGI_CHILDREN' in os.environ \
        or 'fcgi' in argv or 'fastcgi' in argv \
        or 'mod_wsgi' in argv:
            return False
    return True

# When running the builtin-server, enable debug mode if not already set.