openscribe/server/app/config.py
Laurence 51321aa7c5
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feat(server): pluggable AI providers - any open-standard or commercial AI
Lets the owner point transcription and summarisation at any AI: an open-standard
endpoint (OpenAI-compatible / local faster-whisper / Ollama) or a commercial API
(OpenAI, Anthropic, Gemini). Config-driven, self-hostable, no lock-in.

What changed:
- server/app/providers/: provider layer.
  - base.py: Transcriber/Summariser protocols + shared summary prompt + tolerant JSON
    parser (uniform Summary shape across providers).
  - summary.py: OpenAICompatibleSummariser (any /chat/completions - OpenAI, Groq,
    OpenRouter, LocalAI, LM Studio, vLLM, Ollama /v1) and AnthropicSummariser (Claude
    via the official anthropic SDK; Messages API has no OpenAI-compatible endpoint).
  - transcription.py: OpenAICompatibleTranscriber (/audio/transcriptions - OpenAI,
    Groq, self-hosted whisper server) and LocalWhisperTranscriber (faster-whisper,
    execution wired in M5).
  - factory.py: builds the configured providers with per-provider defaults
    (anthropic -> claude-opus-4-8, openai_compatible -> gpt-4o-mini, ollama -> llama3.1).
- config.py + .env.example: transcription_provider / llm_provider selectors + base_url,
  key, model settings; local faster-whisper and Ollama kept as the self-hosted defaults.
- main.py: /health now reports the resolved provider names (no secrets).
- requirements.txt: httpx drives all HTTP providers; anthropic + faster-whisper are
  optional, only for their respective providers.
- docs/ai-providers.md: config recipes for OpenAI, Groq, Anthropic, Gemini, LocalAI,
  LM Studio, Ollama, self-hosted whisper.
- state/: DECISIONS, ARCHITECTURE, TODO updated.

Why:
- The user asked to connect the device to any open standard AI or commercial one; this
  is also the core differentiator vs Plaud's locked cloud.

Notes:
- Anthropic provider uses the official SDK and defaults to claude-opus-4-8 (per the
  claude-api guidance). AI deps are optional per chosen provider. Modules byte-compile
  cleanly; end-to-end wiring into the ingest pipeline lands with M5.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-03 18:56:58 +01:00

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Python

# SPDX-License-Identifier: GPL-3.0-only
"""Server configuration, loaded from environment / .env (see .env.example).
Everything points at self-hosted services by default: local object storage, a local
Ollama, and a local faster-whisper model. Nothing here requires a proprietary cloud.
"""
from __future__ import annotations
from pydantic_settings import BaseSettings, SettingsConfigDict
class Settings(BaseSettings):
model_config = SettingsConfigDict(env_prefix="OPENSCRIBE_", env_file=".env")
# API
api_token: str = "change-me" # bearer token for write endpoints
# Storage: "local" | "s3" | "webdav"
storage_backend: str = "local"
local_media_dir: str = "./media"
# S3-compatible (MinIO) - used when storage_backend == "s3"
s3_endpoint: str = "http://localhost:9000"
s3_bucket: str = "openscribe"
s3_access_key: str = ""
s3_secret_key: str = ""
# Metadata DB (SQLite to start; Postgres URL later)
database_url: str = "sqlite:///./openscribe.db"
# --- AI providers (see docs/ai-providers.md) --------------------------------------
# Transcription provider: "local_whisper" (self-hosted) | "openai_compatible"
transcription_provider: str = "local_whisper"
transcription_base_url: str = "" # e.g. https://api.openai.com/v1 or a Groq/local URL
transcription_api_key: str = ""
transcription_model: str = "" # e.g. whisper-1, whisper-large-v3
# LLM provider for summaries + Ask-AI:
# "ollama" (default, self-hosted) | "openai_compatible" | "anthropic"
llm_provider: str = "ollama"
llm_base_url: str = "https://api.openai.com/v1" # used by openai_compatible
llm_api_key: str = ""
llm_model: str = "" # per-provider default applied if empty
# Local faster-whisper (used when transcription_provider == local_whisper)
whisper_model: str = "base" # tiny|base|small|medium|large-v3
whisper_device: str = "cpu" # cpu|cuda
whisper_compute_type: str = "int8"
# Local Ollama (used when llm_provider == ollama)
ollama_url: str = "http://localhost:11434"
ollama_model: str = "llama3.1"
settings = Settings()