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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
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