[ray_client] actors v0 (#12388)

python/ray/utils.py

@@ -1,7 +1,6 @@
 import binascii
 import errno
 import hashlib
-import inspect
 import logging
 import multiprocessing
 import numpy as np
@@ -129,53 +128,6 @@ def push_error_to_driver_through_redis(redis_client,
                          pubsub_msg.SerializeToString())
 
 
-def is_cython(obj):
-    """Check if an object is a Cython function or method"""
-
-    # TODO(suo): We could split these into two functions, one for Cython
-    # functions and another for Cython methods.
-    # TODO(suo): There doesn't appear to be a Cython function 'type' we can
-    # check against via isinstance. Please correct me if I'm wrong.
-    def check_cython(x):
-        return type(x).__name__ == "cython_function_or_method"
-
-    # Check if function or method, respectively
-    return check_cython(obj) or \
-        (hasattr(obj, "__func__") and check_cython(obj.__func__))
-
-
-def is_function_or_method(obj):
-    """Check if an object is a function or method.
-
-    Args:
-        obj: The Python object in question.
-
-    Returns:
-        True if the object is an function or method.
-    """
-    return inspect.isfunction(obj) or inspect.ismethod(obj) or is_cython(obj)
-
-
-def is_class_method(f):
-    """Returns whether the given method is a class_method."""
-    return hasattr(f, "__self__") and f.__self__ is not None
-
-
-def is_static_method(cls, f_name):
-    """Returns whether the class has a static method with the given name.
-
-    Args:
-        cls: The Python class (i.e. object of type `type`) to
-            search for the method in.
-        f_name: The name of the method to look up in this class
-            and check whether or not it is static.
-    """
-    for cls in inspect.getmro(cls):
-        if f_name in cls.__dict__:
-            return isinstance(cls.__dict__[f_name], staticmethod)
-    return False
-
-
 def random_string():
     """Generate a random string to use as an ID.