72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
from typing import Optional
|
|
|
|
from orjson import orjson
|
|
|
|
|
|
def check_and_get_sql(res: str) -> str:
|
|
json_str = extract_nested_json(res)
|
|
if json_str is None:
|
|
raise Exception(orjson.dumps({'message': 'Cannot parse sql from answer',
|
|
'traceback': "Cannot parse sql from answer:\n" + res}).decode())
|
|
sql: str
|
|
data: dict
|
|
try:
|
|
data = orjson.loads(json_str)
|
|
|
|
if data['success']:
|
|
sql = data['sql']
|
|
return sql
|
|
else:
|
|
message = data['message']
|
|
raise Exception(message)
|
|
except Exception as e:
|
|
raise e
|
|
except Exception:
|
|
raise Exception(orjson.dumps({'message': 'Cannot parse sql from answer',
|
|
'traceback': "Cannot parse sql from answer:\n" + res}).decode())
|
|
|
|
|
|
def extract_nested_json(text):
|
|
stack = []
|
|
start_index = -1
|
|
results = []
|
|
|
|
for i, char in enumerate(text):
|
|
if char in '{[':
|
|
if not stack: # 记录起始位置
|
|
start_index = i
|
|
stack.append(char)
|
|
elif char in '}]':
|
|
if stack and ((char == '}' and stack[-1] == '{') or (char == ']' and stack[-1] == '[')):
|
|
stack.pop()
|
|
if not stack: # 栈空时截取完整JSON
|
|
json_str = text[start_index:i + 1]
|
|
try:
|
|
orjson.loads(json_str) # 验证有效性
|
|
results.append(json_str)
|
|
except:
|
|
pass
|
|
else:
|
|
stack = [] # 括号不匹配则重置
|
|
if len(results) > 0 and results[0]:
|
|
return results[0]
|
|
return None
|
|
|
|
|
|
def get_chart_type_from_sql_answer(res: str) -> Optional[str]:
|
|
json_str = extract_nested_json(res)
|
|
if json_str is None:
|
|
return None
|
|
chart_type: Optional[str]
|
|
data: dict
|
|
try:
|
|
data = orjson.loads(json_str)
|
|
|
|
if data['success']:
|
|
chart_type = data['chart-type']
|
|
else:
|
|
return None
|
|
except Exception:
|
|
return None
|
|
return chart_type
|