Python Dictionary infinite Traversal

Source: Internet
Author: User

#无限遍历dict, get value through key, nested dictionary has multiple identical keys, can get more than one key
Class GetValues (object):
def __init__ (self):
Pass

#无限遍历dict, get value through key, nested dictionary has multiple identical keys, can get more than one key
def get_target_value (Self,key, DIC, tmp_list):
"""
:p Aram Key: Target key value
:p Aram Dic:json Data
:p Aram Tmp_list: Used to store acquired data
: return:list
"""
If not isinstance (DIC, dict) or not isinstance (tmp_list, list): # format check for incoming data
Return ' argv[1] not a dict or argv[-1] not a list '

If key in Dic.keys ():
Tmp_list.append (Dic[key]) # Incoming data is present and stored in tmp_list
For Val in Dic.values ():
If Isinstance (Val, dict):
Self.get_target_value (Key, Val, tmp_list) # The value of the incoming data is a dictionary, it calls itself directly
Elif Isinstance (Val, (list, tuple)):
Self.get_value (Key, Val, tmp_list) # The value of the incoming data is a list or tuple, then the get_value is called
Else
For value in Dic.values (): # Traversal of the value of the incoming data if it does not conform
If Isinstance (value, dict):
Self.get_target_value (key, Value, Tmp_list) # The value of the incoming data is a dictionary, it calls itself directly
Elif isinstance (value, (list, tuple)):
Self.get_value (key, Value, Tmp_list) # The value of the incoming data is a list or tuple, then the get_value is called
Return tmp_list

#循环判断是否需要遍历value, Get_target_value Sub-method
def get_value (Self,key, Val, tmp_list):
For Val_ in Val:
If Isinstance (Val_, dict):
Self.get_target_value (Key, Val_, tmp_list) # The value of the incoming data is a dictionary, then the get_target_value is called
Elif isinstance (Val_, (list, tuple)):
Self.get_value (Key, Val_, tmp_list) # The value of the incoming data is a list or a tuple, it calls itself

Python Dictionary infinite Traversal

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