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806f7ee1ac
Google's TTS and Imagen tools advertised service-account auth
(GOOGLE_APPLICATION_CREDENTIALS) but only ever authenticated with an API
key string, so users with a service-account JSON could not use either tool.
google_tts.get_status() also over-reported availability when the JSON was
set, then failed at execute() — a silent-availability bug.
Separately, both hand-rolled _load_dotenv parsers kept inline comments as
values, so after `cp .env.example .env` every keyed tool falsely reported
"available" with no real credentials.
Changes:
- Add tools/google_credentials.py: lazy google-auth Bearer-token helper.
- google_tts: authenticate via Cloud TTS Bearer token when only a service
account is configured; make get_status() honest.
- google_imagen: route service-account auth to Vertex AI
({location}-aiplatform.googleapis.com) with project/location resolution,
alongside the existing AI Studio API-key path.
- Fix both _load_dotenv parsers to strip inline comments (quote-aware).
- Add google-auth to requirements; document the new env vars in .env.example.
- .gitignore: never commit GCP service-account key files.
Verified locally with a real service account: TTS produced a valid MP3 and
Imagen produced a valid 1408x768 PNG via Vertex AI. Existing test suite
passes (2 unrelated pre-existing failures only).
Closes #131
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
46 lines
2.5 KiB
Plaintext
46 lines
2.5 KiB
Plaintext
# OpenMontage - Environment Variables
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# Copy this to .env and fill in your keys
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# --- Image + video gateway ---
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FAL_KEY= # FLUX images, Google Veo video, Kling video, MiniMax video, Recraft images
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# Get one at https://fal.ai/dashboard/keys
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# --- Google (one key unlocks image gen + TTS) ---
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GOOGLE_API_KEY= # Google Imagen images, Google Cloud TTS (700+ voices, 50+ languages)
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# Get one at https://aistudio.google.com/apikey
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# Alternative to the API key: service-account JSON auth.
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# TTS uses Cloud Text-to-Speech; Imagen routes to Vertex AI.
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GOOGLE_APPLICATION_CREDENTIALS= # path to a service-account JSON key file
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GOOGLE_CLOUD_PROJECT= # GCP project id (required for Imagen via Vertex AI)
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GOOGLE_CLOUD_LOCATION= # Vertex AI region, default us-central1
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# --- Voice ---
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ELEVENLABS_API_KEY= # TTS narration, music generation, sound effects
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OPENAI_API_KEY= # OpenAI TTS fallback and DALL-E image generation
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XAI_API_KEY= # Grok image generation/editing and Grok video generation
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DOUBAO_SPEECH_API_KEY= # Volcengine Doubao Speech TTS (new console API Key)
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DOUBAO_SPEECH_VOICE_TYPE= # Default Doubao speaker/voice type, e.g. zh_female_vv_uranus_bigtts
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# Piper local voices do not require env vars; install `piper-tts` via pip
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# --- Music ---
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SUNO_API_KEY= # Suno AI music generation (full songs, instrumentals, any genre)
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# --- Video Generation ---
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HEYGEN_API_KEY= # HeyGen API (VEO, Sora, Runway, Kling, Seedance via single key)
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RUNWAY_API_KEY= # Runway Gen-4 (direct API, alternative to fal.ai routing)
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VIDEO_GEN_LOCAL_ENABLED= # Set to "true" for local video gen (needs GPU + diffusers)
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VIDEO_GEN_LOCAL_MODEL= # Local model: wan2.1-1.3b, wan2.1-14b, hunyuan-1.5, ltx2-local, cogvideo-5b
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MODAL_LTX2_ENDPOINT_URL= # Modal self-hosted LTX-2 endpoint (optional)
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# --- Stock Media ---
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PEXELS_API_KEY= # Pexels stock footage/images (free)
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PIXABAY_API_KEY= # Pixabay stock footage/images (free)
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UNSPLASH_ACCESS_KEY= # Unsplash stock images (free developer key)
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# --- Analysis ---
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HF_TOKEN= # HuggingFace token — enables speaker diarization in transcriber
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# --- Avatar (local installs) ---
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# WAV2LIP_PATH= # Path to cloned Wav2Lip repo (for lip sync)
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# SADTALKER_PATH= # Path to cloned SadTalker repo (for talking head avatars)
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