import os import platform NO_EXTENSIONS = bool(os.environ.get("MULTIDICT_NO_EXTENSIONS")) PYPY = platform.python_implementation() == "PyPy" USE_CYTHON_EXTENSIONS = USE_CYTHON = not NO_EXTENSIONS and not PYPY if USE_CYTHON_EXTENSIONS: try: from . import _multidict # noqa except ImportError: USE_CYTHON_EXTENSIONS = USE_CYTHON = False