import json
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import httpx
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from Log import logger
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class BasicService:
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def __init__(self, base_url: str):
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self.base_url = base_url
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def _check_response(self, response: httpx.Response):
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"""检查响应并处理错误"""
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if response.status_code not in [200, 201]:
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raise Exception(f"Failed to fetch data from API: {response.text}")
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response_data = response.json()
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return response_data
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async def download_from_url(self, url, params=None):
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async with httpx.AsyncClient() as client:
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async with client.stream('GET', url, params=params) as response:
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if response.status_code == 200:
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# 获取文件名
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content_disposition = response.headers.get('Content-Disposition')
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if content_disposition:
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filename = content_disposition.split('filename=')[1].strip('"')
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else:
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filename = 'unknown_filename'
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# 获取内容类型
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content_type = response.headers.get('Content-Type')
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# 读取文件内容
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content = await response.aread()
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return content, filename, content_type
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else:
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raise Exception(f"Failed to download: {response.status_code}")
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async def excel_talk_image_download(self, file_id: str):
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url = f"{self.base_url}/exceltalk/download/image"
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return await self.download_from_url(url, params={'images_name': file_id})
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async def excel_talk_excel_download(self, file_id: str):
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url = f"{self.base_url}/exceltalk/download/excel"
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return await self.download_from_url(url, params={'excel_name': file_id})
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async def excel_talk_upload(self, chat_id: str, filename: str, file_content: bytes):
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url = f"{self.base_url}/exceltalk/upload/files"
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params = {'chat_id': chat_id, 'is_col': '0'}
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# 创建 FormData 对象
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files = [('files', (filename, file_content, 'application/octet-stream'))]
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async with httpx.AsyncClient() as client:
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response = await client.post(
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url,
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files=files,
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params=params
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)
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return self._check_response(response)
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async def excel_talk(self, question: str, chat_id: str):
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url = f"{self.base_url}/exceltalk/talk"
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params = {'chat_id': chat_id}
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data = {"query": question}
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headers = {'Content-Type': 'application/json'}
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buffer = bytearray()
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async with httpx.AsyncClient(timeout=300.0) as client:
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async with client.stream("POST", url, params=params, json=data, headers=headers) as response:
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if response.status_code == 200:
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try:
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async for chunk in response.aiter_bytes():
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json_data = process_buffer(chunk, buffer)
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if json_data:
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yield json_data
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buffer.clear()
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except GeneratorExit as e:
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print(e)
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yield {"message": "内部错误", "type": "close"}
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finally:
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# 在所有数据接收完毕后记录日志
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logger.info("All messages received and processed - over")
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yield {"message": "", "type": "close"}
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else:
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yield f"Error: {response.status_code}"
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async def questions_talk(self, question, chat_id: str):
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logger.error("---------------questions_talk--------------------------")
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url = f"{self.base_url}/questions/talk"
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params = {'chat_id': chat_id}
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headers = {'Content-Type': 'text/plain'}
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async with httpx.AsyncClient(timeout=1800) as client:
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response = await client.post(
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url,
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data=question,
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headers=headers,
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params=params
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)
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return self._check_response(response)
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async def questions_talk_word_download(self, file_id: str):
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url = f"{self.base_url}/questions/download/word"
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return await self.download_from_url(url, params={'word_name': file_id})
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def process_buffer(data, buffer):
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def try_parse_json(data1):
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try:
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return True, json.loads(data1)
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except json.JSONDecodeError:
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return False, None
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if data.startswith(b'data:'):
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# 删除 'data:' 头
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data = data[5:].strip()
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else:
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pass
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# 直接拼接到缓冲区尝试解析JSON
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buffer.extend(data.strip())
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success, parsed_data = try_parse_json(buffer)
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if success:
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return parsed_data
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else:
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# 解析失败，继续拼接
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return None
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