annotate mrjunejune/inference/litellm_proxy.py @ 279:b3b547563ec7

Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 1f9877b637e9
children
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260
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1 from __future__ import annotations
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2
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3 import argparse
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4 import asyncio
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MrJuneJune <mrjunejune@users.noreply.github.com>
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5 import json
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MrJuneJune <mrjunejune@users.noreply.github.com>
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6 import os
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MrJuneJune <mrjunejune@users.noreply.github.com>
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7 import pathlib
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8 from collections.abc import AsyncIterator, Awaitable, Callable
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
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9 from typing import Any
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10
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11 import litellm
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12 import uvicorn
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MrJuneJune <mrjunejune@users.noreply.github.com>
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13 import yaml
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14 from fastapi import FastAPI, HTTPException, Request
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15 from fastapi.responses import JSONResponse, StreamingResponse
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16
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17 Completion = Callable[..., Awaitable[Any]]
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18
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19
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MrJuneJune <mrjunejune@users.noreply.github.com>
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20 def resolve_token_directory(explicit: str | None = None) -> pathlib.Path:
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21 if explicit:
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
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22 return pathlib.Path(explicit).expanduser().resolve()
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23 configured = os.environ.get("GITHUB_COPILOT_TOKEN_DIR")
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24 if configured:
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25 return pathlib.Path(configured).expanduser().resolve()
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MrJuneJune <mrjunejune@users.noreply.github.com>
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26 state_root = os.environ.get("MRJUNEJUNE_INFERENCE_STATE")
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27 if state_root:
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28 return (
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29 pathlib.Path(state_root).expanduser().resolve()
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MrJuneJune <mrjunejune@users.noreply.github.com>
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30 / "litellm-copilot"
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MrJuneJune <mrjunejune@users.noreply.github.com>
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31 )
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
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32 xdg_state = os.environ.get("XDG_STATE_HOME")
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33 root = (
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34 pathlib.Path(xdg_state).expanduser()
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35 if xdg_state
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36 else pathlib.Path.home() / ".local" / "state"
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37 )
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38 return (root / "mrjunejune" / "inference" / "litellm-copilot").resolve()
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39
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40
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41 def _serialize(value: Any) -> dict[str, Any]:
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42 if hasattr(value, "model_dump"):
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43 return value.model_dump(exclude_none=True)
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MrJuneJune <mrjunejune@users.noreply.github.com>
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44 if hasattr(value, "dict"):
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MrJuneJune <mrjunejune@users.noreply.github.com>
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45 return value.dict()
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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46 if isinstance(value, dict):
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
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47 return value
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MrJuneJune <mrjunejune@users.noreply.github.com>
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48 raise TypeError("LiteLLM returned an unsupported response")
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49
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50
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51 def create_app(
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52 completion: Completion = litellm.acompletion,
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MrJuneJune <mrjunejune@users.noreply.github.com>
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53 *,
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54 model_alias: str = "jrpg-copilot",
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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55 upstream_model: str = "github_copilot/gpt-4",
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
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56 ) -> FastAPI:
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57 app = FastAPI(docs_url=None, redoc_url=None, openapi_url=None)
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MrJuneJune <mrjunejune@users.noreply.github.com>
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58
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
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59 @app.get("/health/liveliness")
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MrJuneJune <mrjunejune@users.noreply.github.com>
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60 async def health() -> dict[str, str]:
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61 return {"status": "ready"}
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MrJuneJune <mrjunejune@users.noreply.github.com>
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62
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63 @app.get("/health/readiness")
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64 async def readiness() -> dict[str, str]:
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65 from litellm.llms.github_copilot.authenticator import Authenticator
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66
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67 try:
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68 await asyncio.to_thread(Authenticator().get_api_key)
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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69 except Exception as error:
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parents:
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70 raise HTTPException(
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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71 status_code=503,
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72 detail="GitHub Copilot authentication unavailable",
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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73 ) from error
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74 return {"status": "ready"}
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75
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76 @app.post("/v1/chat/completions")
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77 async def chat(request: Request):
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78 master_key = os.environ.get("LITELLM_MASTER_KEY", "")
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79 authorization = request.headers.get("Authorization", "")
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80 if not master_key or authorization != f"Bearer {master_key}":
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81 raise HTTPException(status_code=401, detail="Invalid gateway key")
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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82
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83 payload = await request.json()
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MrJuneJune <mrjunejune@users.noreply.github.com>
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84 if not isinstance(payload, dict) or payload.get("model") != model_alias:
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parents:
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85 raise HTTPException(status_code=400, detail="Unknown model alias")
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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86 payload = dict(payload)
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MrJuneJune <mrjunejune@users.noreply.github.com>
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87 payload["model"] = upstream_model
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MrJuneJune <mrjunejune@users.noreply.github.com>
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88 configured_max = int(os.environ.get("LITELLM_MAX_OUTPUT_TOKENS", "1024"))
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MrJuneJune <mrjunejune@users.noreply.github.com>
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89 requested_max = payload.get("max_tokens")
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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90 if not isinstance(requested_max, int) or requested_max > configured_max:
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91 payload["max_tokens"] = configured_max
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92
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parents:
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93 try:
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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94 response = await completion(**payload)
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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95 except Exception as error:
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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96 raise HTTPException(
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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97 status_code=502,
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98 detail="GitHub Copilot provider request failed",
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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99 ) from error
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100
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101 if payload.get("stream"):
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MrJuneJune <mrjunejune@users.noreply.github.com>
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102 async def events() -> AsyncIterator[str]:
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103 async for chunk in response:
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104 yield (
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105 "data: "
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parents:
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106 + json.dumps(_serialize(chunk), separators=(",", ":"))
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parents:
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107 + "\n\n"
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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108 )
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109 yield "data: [DONE]\n\n"
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110
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111 return StreamingResponse(events(), media_type="text/event-stream")
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112 return JSONResponse(_serialize(response))
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113
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114 return app
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parents:
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115
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116
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117 def _load_model(config_path: str) -> tuple[str, str]:
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118 with open(config_path, encoding="utf-8") as config_file:
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119 config = yaml.safe_load(config_file)
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MrJuneJune <mrjunejune@users.noreply.github.com>
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120 models = config.get("model_list", [])
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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121 if len(models) != 1:
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122 raise ValueError("LiteLLM config must contain exactly one model")
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MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
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123 model = models[0]
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124 return model["model_name"], model["litellm_params"]["model"]
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parents:
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125
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126
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127 def main() -> None:
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128 parser = argparse.ArgumentParser(description="Minimal LiteLLM gateway")
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129 parser.add_argument("--host", default="127.0.0.1")
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130 parser.add_argument("--port", type=int, default=4000)
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parents:
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131 parser.add_argument("--config")
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
132 parser.add_argument("--authenticate", action="store_true")
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
133 parser.add_argument(
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
134 "--token-dir",
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
135 help=(
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
136 "Persistent GitHub Copilot token directory. Defaults to "
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
137 "GITHUB_COPILOT_TOKEN_DIR, MRJUNEJUNE_INFERENCE_STATE, or "
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
138 "~/.local/state/mrjunejune/inference/litellm-copilot."
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
139 ),
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
140 )
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
141 args = parser.parse_args()
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
142 if args.authenticate:
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
143 from litellm.llms.github_copilot.authenticator import Authenticator
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
144
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
145 token_directory = resolve_token_directory(args.token_dir)
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
146 token_directory.mkdir(parents=True, exist_ok=True, mode=0o700)
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
147 token_directory.chmod(0o700)
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
148 os.environ["GITHUB_COPILOT_TOKEN_DIR"] = str(token_directory)
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
149 authenticator = Authenticator()
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
150 authenticator.get_access_token()
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
151 authenticator.get_api_key()
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
152 print(f"GitHub Copilot authentication stored in {token_directory}")
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
153 return
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
154 if not args.config:
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
155 parser.error("--config is required unless --authenticate is used")
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
156 model_alias, upstream_model = _load_model(args.config)
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
157 uvicorn.run(
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
158 create_app(model_alias=model_alias, upstream_model=upstream_model),
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
159 host=args.host,
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
160 port=args.port,
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
161 access_log=False,
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
162 )
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
163
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
164
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
165 if __name__ == "__main__":
1f9877b637e9 Add Copilot-powered cyberpunk JRPG chat
MrJuneJune <mrjunejune@users.noreply.github.com>
parents:
diff changeset
166 main()