scrapy.utils.datatypes

module documentation

(source)

This module contains data types used by Scrapy which are not included in the Python Standard Library. This module must not depend on any module outside the Standard Library.

Class	`CaselessDict`	No class docstring; 0/1 class variable, 2/12 methods, 0/1 class method documented
Class	`LocalCache`	Dictionary with a finite number of keys.
Class	`LocalWeakReferencedCache`	A weakref.WeakKeyDictionary implementation that uses LocalCache as its underlying data structure, making it ordered and capable of being size-limited.
Class	`SequenceExclude`	Object to test if an item is NOT within some sequence.