Python Safely Navigate a Complex Data Structure: Difference between revisions
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=Internal= | =Internal= | ||
* [[Python_Language#Data_Structures|Python Language]] | |||
*[[Python_Language_Dictionary#Safely_Navigate_a_Complex_Data_Structure|dict]] | *[[Python_Language_Dictionary#Safely_Navigate_a_Complex_Data_Structure|dict]] | ||
* [[YAML_in_Python#Safely_Navigate_a_Complex_Data_Structure|YAML in Python]] | * [[YAML_in_Python#Safely_Navigate_a_Complex_Data_Structure|YAML in Python]] | ||
* [[JSON processing in Python#Safely_Navigate_a_Complex_Data_Structure|JSON in Python]] | * [[JSON processing in Python#Safely_Navigate_a_Complex_Data_Structure|JSON in Python]] | ||
=Overview= | =Overview= | ||
| Line 8: | Line 10: | ||
yaml = ... | yaml = ... | ||
v = None | v = None | ||
first_level_map = yaml.get('first_level_key' | first_level_map = yaml.get('first_level_key') | ||
if first_level_map: | if first_level_map: | ||
second_level_map = first_level_map.get('second_level_key' | second_level_map = first_level_map.get('second_level_key') | ||
if second_level_map: | if second_level_map: | ||
v = second_level_map.get('leaf_key') | v = second_level_map.get('leaf_key') | ||
return v | return v | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 04:50, 10 March 2022
Internal
Overview
yaml = ...
v = None
first_level_map = yaml.get('first_level_key')
if first_level_map:
second_level_map = first_level_map.get('second_level_key')
if second_level_map:
v = second_level_map.get('leaf_key')
return v