patch.py 文件源码

def patch():
    """
    Patch the gevent module so that all references to the
    internal ``Greenlet`` class points to the ``DatadogGreenlet``
    class.

    This action ensures that if a user extends the ``Greenlet``
    class, the ``TracedGreenlet`` is used as a parent class.
    """
    _replace(TracedGreenlet)
    ddtrace.tracer.configure(context_provider=GeventContextProvider())