Files
ALwrity/backend/api/podcast/constants.py
ajaysi 63bb937796 feat: podcast demo mode with ALWRITY_ENABLED_FEATURES support
- Add ALWRITY_ENABLED_FEATURES env var for feature gating
- Podcast-only mode: skip LLM bootstrap, scheduler, persona services
- Enhance video generation prompt with scene context, analysis, narration
- Add voice cloning support via custom_voice_id in WaveSpeed
- Add text-to-speech for research results (browser speechSynthesis)
- Fix render queue to sync images from script phase
- Add WaveSpeed LLM pricing (gpt-oss-120b)
- Fix podcast bible generation error handling
- Refactor RouterManager for feature-based router loading
2026-04-03 06:59:59 +05:30

78 lines
2.7 KiB
Python

"""
Podcast API Constants
Centralized constants and directory configuration for podcast module.
"""
from pathlib import Path
from typing import Literal
from loguru import logger
from services.story_writer.audio_generation_service import StoryAudioGenerationService
# Directory paths
# router.py is at: backend/api/podcast/router.py
# parents[0] = backend/api/podcast/
# parents[1] = backend/api/
# parents[2] = backend/
# parents[3] = root/
ROOT_DIR = Path(__file__).resolve().parents[3] # root/
DATA_MEDIA_DIR = ROOT_DIR / "data" / "media"
PODCAST_AUDIO_DIR = (DATA_MEDIA_DIR / "podcast_audio").resolve()
PODCAST_IMAGES_DIR = (DATA_MEDIA_DIR / "podcast_images").resolve()
PODCAST_VIDEOS_DIR = (DATA_MEDIA_DIR / "podcast_videos").resolve()
# Video subdirectory
AI_VIDEO_SUBDIR = Path("AI_Videos")
MediaType = Literal["audio", "image", "video"]
def _sanitize_user_id(user_id: str) -> str:
return "".join(c for c in user_id if c.isalnum() or c in ("-", "_"))
def get_podcast_media_dir(
media_type: MediaType,
user_id: str | None = None,
*,
ensure_exists: bool = False,
) -> Path:
"""Resolve podcast media directory (tenant workspace first, legacy global fallback)."""
media_subdir = {
"audio": "podcast_audio",
"image": "podcast_images",
"video": "podcast_videos",
}[media_type]
if user_id:
sanitized = _sanitize_user_id(user_id)
tenant_media_dir = ROOT_DIR / "workspace" / f"workspace_{sanitized}" / "media" / media_subdir
resolved_dir = tenant_media_dir.resolve()
else:
resolved_dir = (DATA_MEDIA_DIR / media_subdir).resolve()
logger.debug(f"[Podcast] get_podcast_media_dir: type={media_type}, user_id={user_id}, sanitized={user_id and _sanitize_user_id(user_id)}, resolved={resolved_dir}")
if ensure_exists:
resolved_dir.mkdir(parents=True, exist_ok=True)
return resolved_dir
def get_podcast_media_read_dirs(media_type: MediaType, user_id: str | None = None) -> list[Path]:
"""Return ordered directories to search (tenant path first, then legacy global path)."""
dirs: list[Path] = []
if user_id:
dirs.append(get_podcast_media_dir(media_type, user_id))
logger.debug(f"[Podcast] get_podcast_media_read_dirs: added user dir for {user_id}")
dirs.append(get_podcast_media_dir(media_type, None))
logger.debug(f"[Podcast] get_podcast_media_read_dirs: dirs={dirs}")
return dirs
def get_podcast_audio_service(user_id: str | None = None) -> StoryAudioGenerationService:
"""Build audio service lazily so directory creation happens only when needed."""
output_dir = get_podcast_media_dir("audio", user_id, ensure_exists=True)
return StoryAudioGenerationService(output_dir=str(output_dir))