django and fastapi apps

api/deps.py

@@ -0,0 +1,54 @@
+"""
+FastAPI dependencies.
+
+Provides database sessions, settings, and common dependencies.
+"""
+
+import os
+from functools import lru_cache
+from typing import Generator
+
+import django
+from django.conf import settings as django_settings
+
+# Initialize Django
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mpr.settings")
+django.setup()
+
+from mpr.media_assets.models import MediaAsset, TranscodeJob, TranscodePreset
+
+
+@lru_cache
+def get_settings():
+    """Get Django settings."""
+    return django_settings
+
+
+def get_asset(asset_id: str) -> MediaAsset:
+    """Get asset by ID or raise 404."""
+    from fastapi import HTTPException
+
+    try:
+        return MediaAsset.objects.get(id=asset_id)
+    except MediaAsset.DoesNotExist:
+        raise HTTPException(status_code=404, detail="Asset not found")
+
+
+def get_preset(preset_id: str) -> TranscodePreset:
+    """Get preset by ID or raise 404."""
+    from fastapi import HTTPException
+
+    try:
+        return TranscodePreset.objects.get(id=preset_id)
+    except TranscodePreset.DoesNotExist:
+        raise HTTPException(status_code=404, detail="Preset not found")
+
+
+def get_job(job_id: str) -> TranscodeJob:
+    """Get job by ID or raise 404."""
+    from fastapi import HTTPException
+
+    try:
+        return TranscodeJob.objects.get(id=job_id)
+    except TranscodeJob.DoesNotExist:
+        raise HTTPException(status_code=404, detail="Job not found")