Python Script Examples in NiFi

This space contains python script examples for using in Apache NiFi's scripting components, especially the ExecuteScript processor.

ExecuteScript Samples

Script	Description
update_attribute.py	Read flowfile and update flowfile's attributes
simple_write_content.py	Update flowfile content
read_update_content.py	Read and overwrite content
json_to_string_transform.py	Read JSON and transform to string
nested_json_to_string_transform.py	Read nested JSON and transform to string
json_transform.py	Update content of JSON format flowfile
nested_json_transform.py	Update content of nested JSON format flowfile

Variable used in ExecuteScript

Variable Name	Description
session	ProcessSession
context	ProcessContext
log	Log Component
REL_SUCCESS	Success Relationship
REL_FAILURE	Failure Relationship

Reference:

• BatchIQ
• ExecuteScript Cookbook