tron.utils.proxy module

Utilities for creating classes that proxy function calls.

class tron.utils.proxy.AttributeProxy(dest_obj, attribute_list=None)

Bases: object

Proxy attribute lookups to another object.

add(attribute_name)

perform(attribute_name)

class tron.utils.proxy.CollectionProxy(obj_list_getter, definition_list=None)

Bases: object

Proxy attribute lookups to a sequence of objects.

add(attribute_name, aggregate_func, is_callable)

Add attributes to proxy, the aggregate function to use on the sequence of returned values, and a boolean identifying if this attribute is a callable or not.

attribute_name - the name of the attribute to proxy aggregate_func - a function that takes a sequence as its only argument callable - if this attribute is a callable on every object in

the obj_list (boolean)

perform(name)

Attempt to perform the proxied lookup. Raises AttributeError if the name is not defined.

tron.utils.proxy.attr_proxy(name, func)

tron.utils.proxy.func_proxy(name, func)