mirror of
https://github.com/langgenius/dify.git
synced 2024-11-16 19:59:50 +08:00
43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
import json
|
|
|
|
from core.llm_generator.output_parser.errors import OutputParserException
|
|
|
|
|
|
def parse_json_markdown(json_string: str) -> dict:
|
|
# Remove the triple backticks if present
|
|
json_string = json_string.strip()
|
|
start_index = json_string.find("```json")
|
|
end_index = json_string.find("```", start_index + len("```json"))
|
|
|
|
if start_index != -1 and end_index != -1:
|
|
extracted_content = json_string[start_index + len("```json") : end_index].strip()
|
|
|
|
# Parse the JSON string into a Python dictionary
|
|
parsed = json.loads(extracted_content)
|
|
elif start_index != -1 and end_index == -1 and json_string.endswith("``"):
|
|
end_index = json_string.find("``", start_index + len("```json"))
|
|
extracted_content = json_string[start_index + len("```json") : end_index].strip()
|
|
|
|
# Parse the JSON string into a Python dictionary
|
|
parsed = json.loads(extracted_content)
|
|
elif json_string.startswith("{"):
|
|
# Parse the JSON string into a Python dictionary
|
|
parsed = json.loads(json_string)
|
|
else:
|
|
raise Exception("Could not find JSON block in the output.")
|
|
|
|
return parsed
|
|
|
|
|
|
def parse_and_check_json_markdown(text: str, expected_keys: list[str]) -> dict:
|
|
try:
|
|
json_obj = parse_json_markdown(text)
|
|
except json.JSONDecodeError as e:
|
|
raise OutputParserException(f"Got invalid JSON object. Error: {e}")
|
|
for key in expected_keys:
|
|
if key not in json_obj:
|
|
raise OutputParserException(
|
|
f"Got invalid return object. Expected key `{key}` " f"to be present, but got {json_obj}"
|
|
)
|
|
return json_obj
|