dify/api/core/app/segments/parser.py
-LAN- 5e6fc58db3
Feat/environment variables in workflow (#6515)
Co-authored-by: JzoNg <jzongcode@gmail.com>
2024-07-22 15:29:39 +08:00

18 lines
614 B
Python

import re
from core.app.segments import SegmentGroup, factory
from core.workflow.entities.variable_pool import VariablePool
VARIABLE_PATTERN = re.compile(r'\{\{#([a-zA-Z0-9_]{1,50}(?:\.[a-zA-Z_][a-zA-Z0-9_]{0,29}){1,10})#\}\}')
def convert_template(*, template: str, variable_pool: VariablePool):
parts = re.split(VARIABLE_PATTERN, template)
segments = []
for part in parts:
if '.' in part and (value := variable_pool.get(part.split('.'))):
segments.append(value)
else:
segments.append(factory.build_segment(part))
return SegmentGroup(segments=segments)