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from __future__ import annotations |
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import json |
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from ..typing import AsyncResult, Messages |
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from .base_provider import AsyncGeneratorProvider |
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from ..requests import StreamSession |
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class DeepInfra(AsyncGeneratorProvider): |
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url = "https://deepinfra.com" |
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working = True |
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supports_stream = True |
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supports_message_history = True |
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@staticmethod |
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async def create_async_generator( |
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model: str, |
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messages: Messages, |
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stream: bool, |
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proxy: str = None, |
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timeout: int = 120, |
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auth: str = None, |
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**kwargs |
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) -> AsyncResult: |
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if not model: |
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model = 'meta-llama/Llama-2-70b-chat-hf' |
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headers = { |
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'Accept-Encoding': 'gzip, deflate, br', |
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'Accept-Language': 'en-US', |
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'Connection': 'keep-alive', |
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'Content-Type': 'application/json', |
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'Origin': 'https://deepinfra.com', |
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'Referer': 'https://deepinfra.com/', |
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'Sec-Fetch-Dest': 'empty', |
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'Sec-Fetch-Mode': 'cors', |
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'Sec-Fetch-Site': 'same-site', |
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'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36', |
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'X-Deepinfra-Source': 'web-embed', |
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'accept': 'text/event-stream', |
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'sec-ch-ua': '"Google Chrome";v="119", "Chromium";v="119", "Not?A_Brand";v="24"', |
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'sec-ch-ua-mobile': '?0', |
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'sec-ch-ua-platform': '"macOS"', |
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} |
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if auth: |
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headers['Authorization'] = f"bearer {auth}" |
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async with StreamSession(headers=headers, |
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timeout=timeout, |
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proxies={"https": proxy}, |
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impersonate="chrome110" |
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) as session: |
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json_data = { |
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'model' : model, |
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'messages': messages, |
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'stream' : True |
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} |
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async with session.post('https://api.deepinfra.com/v1/openai/chat/completions', |
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json=json_data) as response: |
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response.raise_for_status() |
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first = True |
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async for line in response.iter_lines(): |
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try: |
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if line.startswith(b"data: [DONE]"): |
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break |
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elif line.startswith(b"data: "): |
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chunk = json.loads(line[6:])["choices"][0]["delta"].get("content") |
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if chunk: |
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if first: |
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chunk = chunk.lstrip() |
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if chunk: |
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first = False |
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yield chunk |
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except Exception: |
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raise RuntimeError(f"Response: {line}") |
