reels-app/app/main.py
Sebastjan Artič 3877b822ff Smart download filenames: 'Artist - Title - REEL.mp4' + validation
Two improvements:

1. DOWNLOAD FILENAME: instead of 'reel_<job-id>.mp4' (e.g. reel_25e076af7600.mp4),
   downloads now have descriptive names like:
   - 'Lady Gaga - Abracadabra - REEL.mp4'
   - 'Modrijani - S teboj - REEL.mp4'
   - 'Sarah Connor - FICKA - REEL.mp4'

2. PRE-UPLOAD VALIDATION: when filename doesn't follow 'Artist - Title' format,
   browser prompts user for both fields. Without them, upload is blocked.
   This prevents files with names like '12345.mp4' or 'video_final.mp4' from
   being processed without identifying info.

Implementation:
- parse_artist_title() helper handles common formats:
  - 'Artist - Title.mp4' / 'Artist – Title' (em-dash)
  - 'Artist | Title' / 'Artist : Title'
  - Strips noise: '(Official Music Video)', '(Audio)', '(HD)', '[Lyric Video]'
- Client-side parser mirrors backend (validation before upload)
- Backend accepts artist + title form fields (override parsed)
- Job stored with parsed_artist + parsed_title + has_clean_name fields
- YouTube jobs auto-fetch title via yt-dlp --info-only and parse it
- Filename hint to Scribe/Claude uses parsed values (cleaner than raw filename)
- Download endpoint uses build_download_filename() for content-disposition
- Jobs list shows 'Artist — Title' instead of raw filename

Result: downloaded reels are auto-named correctly for Facebook/Instagram
upload, no more renaming files manually.
2026-04-29 14:15:18 +00:00

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"""
reels.biba.live — FastAPI backend.
Endpoints:
GET / — frontend HTML
POST /api/upload — naloži video file
POST /api/youtube — submit YouTube URL
POST /api/process/{id} — start processing job
GET /api/jobs — list vseh jobov
GET /api/jobs/{id} — status job-a
GET /api/stream/{id} — SSE progress stream
GET /api/download/{id} — download finalni reel
GET /api/preview/{id} — preview video stream
DELETE /api/jobs/{id} — pobriši job + datoteke
"""
import asyncio
import json
import os
import secrets
import shutil
import subprocess
import time
import uuid
from pathlib import Path
from typing import Optional
from fastapi import (
FastAPI, UploadFile, File, Form, HTTPException, Depends,
BackgroundTasks, Request, status
)
from fastapi.responses import (
FileResponse, HTMLResponse, StreamingResponse, JSONResponse, Response
)
from fastapi.staticfiles import StaticFiles
from fastapi.security import HTTPBasic, HTTPBasicCredentials
from pydantic import BaseModel
# ────────────────────────────────────────────────────────────────
# Config
# ────────────────────────────────────────────────────────────────
DATA_DIR = Path(os.environ.get("DATA_DIR", "/data"))
UPLOAD_DIR = DATA_DIR / "uploads"
OUTPUT_DIR = DATA_DIR / "outputs"
JOBS_DIR = DATA_DIR / "jobs"
SCRIPTS_DIR = Path(__file__).parent.parent / "scripts"
UPLOAD_DIR.mkdir(parents=True, exist_ok=True)
OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
JOBS_DIR.mkdir(parents=True, exist_ok=True)
AUTH_USER = os.environ.get("AUTH_USER", "sebastjan")
AUTH_PASS = os.environ.get("AUTH_PASS", "change-me-in-coolify-env")
MAX_UPLOAD_MB = int(os.environ.get("MAX_UPLOAD_MB", "2000"))
# ────────────────────────────────────────────────────────────────
# Auth
# ────────────────────────────────────────────────────────────────
security = HTTPBasic()
def check_auth(creds: HTTPBasicCredentials = Depends(security)):
correct_user = secrets.compare_digest(creds.username, AUTH_USER)
correct_pass = secrets.compare_digest(creds.password, AUTH_PASS)
if not (correct_user and correct_pass):
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Napačno geslo",
headers={"WWW-Authenticate": "Basic"},
)
return creds.username
# ────────────────────────────────────────────────────────────────
# Artist + title parsing iz filename / YouTube title
# ────────────────────────────────────────────────────────────────
import re
_NOISE_PATTERNS = [
# Pogosti "noise" ki ga je treba odstraniti
r"\(Official\s+(?:Music\s+)?Video\)",
r"\(Officia[lk]\s+Audio\)",
r"\(Offizielles\s+(?:Musik)?[Vv]ideo\)",
r"\(Lyric[s]?\s+Video\)",
r"\(Audio\)",
r"\(HD\)", r"\(HQ\)", r"\(4K\)",
r"\(Live\)", r"\(Remix\)",
r"\(Remastered\)", r"\(Remaster(?:ed)?\s*\d{0,4}\)",
r"\[Official.*?\]", r"\[Music.*?\]", r"\[Audio.*?\]",
r"\bofficial\s+video\b", r"\bofficial\s+audio\b",
r"\boriginal\s+(?:video|audio)\b",
r"\bMV\b", r"\b4K\b", r"\bHD\b", r"\bHQ\b",
]
def parse_artist_title(filename_or_title):
"""Iz imena datoteke / YouTube naslova ekstrahira (artist, title).
Podpira pogoste vzorce:
- "Artist - Title.mp4"
- "Artist - Title (Official Music Video).mp4"
- "Artist Title" (em-dash)
- "Artist | Title"
Vrne (artist, title) ali (None, None) če ni razvidno.
"""
if not filename_or_title:
return (None, None)
# Odstrani extension
name = Path(filename_or_title).stem if "." in filename_or_title else filename_or_title
# Odstrani noise patterns
for pat in _NOISE_PATTERNS:
name = re.sub(pat, "", name, flags=re.IGNORECASE)
# Normaliziraj presledke
name = re.sub(r"\s+", " ", name).strip()
# Probaj različne separatorje
for sep in [" - ", " ", "", " | ", " : "]:
if sep in name:
parts = name.split(sep, 1)
artist = parts[0].strip()
title = parts[1].strip()
# Strip trailing/leading puncutation
artist = re.sub(r'^[\s\-–—|.:_]+|[\s\-–—|.:_]+$', '', artist)
title = re.sub(r'^[\s\-–—|.:_]+|[\s\-–—|.:_]+$', '', title)
if artist and title and len(artist) <= 80 and len(title) <= 100:
return (artist, title)
return (None, None)
def safe_filename(s, max_len=80):
"""Naredi varno ime datoteke (brez znakov ki bi razbili FS)."""
if not s:
return ""
# Replace problematic chars with safe alternative
s = re.sub(r'[<>:"/\\|?*\x00-\x1f]', '', s)
s = re.sub(r'\s+', ' ', s).strip()
return s[:max_len]
def build_download_filename(job):
"""Sestavi pravilno ime download datoteke iz job metadata."""
# Najprej probaj job-shranjene parsed values
artist = job.get("parsed_artist")
title = job.get("parsed_title")
# Fallback: parse from filename
if not artist or not title:
source = job.get("filename") or job.get("youtube_title") or ""
parsed_artist, parsed_title = parse_artist_title(source)
artist = artist or parsed_artist
title = title or parsed_title
if artist and title:
return f"{safe_filename(artist)} - {safe_filename(title)} - REEL.mp4"
if title:
return f"{safe_filename(title)} - REEL.mp4"
# Last resort: job ID (vendar to bi se moralo preprečiti že ob upload-u)
return f"reel_{job['id']}.mp4"
# ────────────────────────────────────────────────────────────────
# Job state (filesystem-based, persistent prek restartov)
# ────────────────────────────────────────────────────────────────
def job_path(job_id):
return JOBS_DIR / f"{job_id}.json"
def load_job(job_id):
p = job_path(job_id)
if not p.exists():
return None
return json.loads(p.read_text())
def save_job(job):
job_path(job["id"]).write_text(json.dumps(job, ensure_ascii=False, indent=2))
def update_job(job_id, **kwargs):
job = load_job(job_id)
if not job:
return None
job.update(kwargs)
job["updated_at"] = time.time()
save_job(job)
return job
def list_jobs():
out = []
for f in sorted(JOBS_DIR.glob("*.json"), reverse=True):
try:
out.append(json.loads(f.read_text()))
except Exception:
pass
return out
def generate_srt_from_segments(segments, clip_start, clip_end, output_path):
"""Generira SRT samo za dele, ki spadajo v [clip_start, clip_end].
Timestamp-i so re-mapirani na 0-based (kot je v trim-anem videu).
Razdeli dolge segmente (>2.5s) na enake kose za hiter pacing v reels stilu.
Vse besedilo VELIKE TISKANE ČRKE.
"""
MAX_CHUNK_DURATION = 2.5
def fmt_ts(s):
h = int(s // 3600)
m = int((s % 3600) // 60)
sec = s % 60
return f"{h:02d}:{m:02d}:{sec:06.3f}".replace(".", ",")
lines = []
idx = 1
for seg in segments:
s_start = float(seg["start"])
s_end = float(seg["end"])
text = str(seg["text"]).strip()
# Filter v range
if s_end <= clip_start or s_start >= clip_end:
continue
# Klipni
s_start = max(s_start, clip_start)
s_end = min(s_end, clip_end)
if s_end - s_start < 0.2:
continue
# Re-mapraj na 0-based
rel_start = s_start - clip_start
rel_end = s_end - clip_start
if not text:
continue
text_upper = text.upper()
# Razdeli na chunk-e če je predolg
duration = rel_end - rel_start
if duration <= MAX_CHUNK_DURATION:
lines.append(f"{idx}\n{fmt_ts(rel_start)} --> {fmt_ts(rel_end)}\n{text_upper}\n")
idx += 1
else:
# Razdeli na N enakih kosov; če ima Whisper word-timing, jih lahko razdelimo bolje,
# ampak za zdaj enako razdelimo
n_parts = int(duration / MAX_CHUNK_DURATION) + 1
words = text_upper.split()
words_per_part = max(1, len(words) // n_parts)
chunk_dur = duration / n_parts
for i in range(n_parts):
cs = rel_start + i * chunk_dur
ce = rel_start + (i + 1) * chunk_dur
# Vzemi pripadajoče besede
wstart = i * words_per_part
wend = (i + 1) * words_per_part if i < n_parts - 1 else len(words)
chunk_text = " ".join(words[wstart:wend]) if wstart < len(words) else text_upper
if not chunk_text.strip():
chunk_text = text_upper
lines.append(f"{idx}\n{fmt_ts(cs)} --> {fmt_ts(ce)}\n{chunk_text.strip()}\n")
idx += 1
with open(output_path, "w", encoding="utf-8") as f:
f.write("\n".join(lines))
return output_path
# ────────────────────────────────────────────────────────────────
# Pipeline runner (background task)
# ────────────────────────────────────────────────────────────────
def run_subprocess_logged(cmd, job_id, step_name):
"""Pokliče subprocess, logi gredo v job."""
update_job(job_id, current_step=step_name, status="processing")
proc = subprocess.run(cmd, capture_output=True, text=True)
if proc.returncode != 0:
# Combine stdout + stderr za diagnostiko
err_msg = (proc.stderr or "") + "\n" + (proc.stdout or "")
update_job(
job_id,
status="failed",
error=f"{step_name}: {err_msg[-800:].strip()}",
)
return False
# Tudi pri success-u beleži stderr za diagnostiko (samo zadnji del)
if proc.stderr and proc.stderr.strip():
update_job(job_id, last_step_log=proc.stderr[-500:].strip())
return True
def process_job(job_id):
"""Glavni pipeline: download (če YT) → find_chorus (če auto) → reframe → subs."""
job = load_job(job_id)
if not job:
return
try:
# ── 1. Source preparation ─────────────────────────────
if job["source_type"] == "youtube":
update_job(job_id, status="downloading", current_step="YouTube download")
input_path = UPLOAD_DIR / f"{job_id}_yt.mp4"
cmd = [
"python3", str(SCRIPTS_DIR / "yt_download.py"),
job["youtube_url"], str(input_path),
]
if not run_subprocess_logged(cmd, job_id, "YouTube download"):
return
update_job(job_id, input_path=str(input_path))
# Probaj dobiti YT naslov za artist+title parsing
try:
info_cmd = [
"python3", str(SCRIPTS_DIR / "yt_download.py"),
job["youtube_url"], "/dev/null", "--info-only",
]
proc = subprocess.run(info_cmd, capture_output=True, text=True, timeout=30)
if proc.returncode == 0 and proc.stdout:
info = json.loads(proc.stdout)
yt_title = info.get("title", "")
if yt_title:
a, t = parse_artist_title(yt_title)
updates = {"youtube_title": yt_title}
if a:
updates["parsed_artist"] = a
if t:
updates["parsed_title"] = t
updates["has_clean_name"] = bool(a and t)
update_job(job_id, **updates)
# Reload job for downstream use
job = load_job(job_id)
except Exception as e:
print(f"⚠️ Cannot fetch YT title: {e}", flush=True)
else:
input_path = Path(job["input_path"])
# ── 2. Smart analysis (če auto_chorus) ──────────────────────────
if job.get("auto_chorus"):
update_job(job_id, current_step="Analiza pesmi (transkript + energija)")
analysis_path = OUTPUT_DIR / f"{job_id}.analysis.json"
cmd = [
"python3", str(SCRIPTS_DIR / "analyze.py"),
str(input_path),
"--target-duration", str(job.get("duration", 30)),
"--max-duration", str(job.get("max_duration", 45)),
"--min-duration", str(job.get("min_duration", 20)),
"--output", str(analysis_path),
]
if job.get("include_prebuild"):
cmd += ["--include-prebuild"]
# LLM provider (claude/gemini/auto)
if job.get("llm_provider"):
cmd += ["--llm-provider", job["llm_provider"]]
if job.get("llm_model"):
cmd += ["--llm-model", job["llm_model"]]
# Filename hint za Claude/Scribe — preferiraj parsed artist+title (čistejše)
if job.get("parsed_artist") and job.get("parsed_title"):
fn_hint = f"{job['parsed_artist']} - {job['parsed_title']}"
cmd += ["--filename-hint", fn_hint]
elif job.get("filename"):
fn_hint = Path(job["filename"]).stem
cmd += ["--filename-hint", fn_hint]
# STT provider (elevenlabs = Scribe, local = faster-whisper, auto = preferiraj Scribe)
if job.get("whisper_provider"):
cmd += ["--whisper-provider", job["whisper_provider"]]
# lang: če None ali 'auto', pusti analyze.py auto-detect
if job.get("lang") and job["lang"] not in ("auto", ""):
cmd += ["--lang", job["lang"]]
cmd += ["--model", job.get("whisper_model", "large-v3")]
proc = subprocess.run(cmd, capture_output=True, text=True)
srt_from_claude = None # Pot do SRT iz Claude-popravljenega transcript-a
if proc.returncode == 0 and analysis_path.exists():
try:
with open(analysis_path, "r", encoding="utf-8") as f:
analysis = json.load(f)
cr = analysis["clip_range"]
fade = analysis["fade"]
# Generiraj SRT iz transcript-a TRIM-ANEGA na clip_range
# (Claude je morda popravil besedilo — uporabi popravljeno)
if analysis.get("transcript", {}).get("segments"):
srt_path_out = OUTPUT_DIR / f"{job_id}.subtitles.srt"
try:
generate_srt_from_segments(
analysis["transcript"]["segments"],
cr["start"], cr["end"],
srt_path_out,
)
srt_from_claude = str(srt_path_out)
llm_src = cr.get("source", "LLM")
print(f"📝 Generated SRT from {llm_src} transcript: {srt_path_out}")
except Exception as e:
print(f"⚠️ SRT generation failed: {e}")
update_job(
job_id,
analysis_summary={
"language": analysis["language"],
"language_probability": analysis["language_probability"],
"instrumental": analysis["instrumental"],
"clip_range": cr,
"fade": fade,
"chorus_preview": analysis["chorus"]["best"]["text_preview"]
if analysis.get("chorus") and analysis["chorus"].get("best") else None,
"video_duration": analysis.get("video_duration"),
"candidates": analysis["chorus"].get("all_candidates", [])[:5]
if analysis.get("chorus") else [],
"claude_corrected_text": analysis.get("claude_corrected_text", False),
},
# Cel transkript shranimo za UI prikaz
full_transcript=[
{"start": s["start"], "end": s["end"], "text": s["text"]}
for s in analysis.get("transcript", {}).get("segments", [])
],
start=cr["start"],
duration=cr["duration"],
fade_in=fade["fade_in"],
fade_out=fade["fade_out"],
detected_language=analysis["language"],
is_instrumental=analysis["instrumental"],
claude_srt_path=srt_from_claude,
)
# Auto-disable subs za instrumental
if analysis["instrumental"] and not job.get("no_subs"):
update_job(job_id, no_subs=True, auto_disabled_subs=True)
# Reload local dict
job = load_job(job_id)
except (json.JSONDecodeError, KeyError) as e:
update_job(job_id, chorus_error=f"Analysis parse: {e}")
else:
update_job(job_id, chorus_error=(proc.stderr or "")[-500:])
# ── 3. Reframe + subtitles (clip.py orchestrator) ─────
output_path = OUTPUT_DIR / f"{job_id}.mp4"
update_job(job_id, current_step="Reframe + subtitles")
cmd = [
"python3", str(SCRIPTS_DIR / "clip.py"),
str(input_path), str(output_path),
"--mode", job.get("mode", "track"),
"--quality", job.get("quality", "medium"),
"--style", job.get("subtitle_style", "reels"),
]
if job.get("start") is not None:
cmd += ["--start", str(job["start"])]
if job.get("duration") is not None:
cmd += ["--duration", str(job["duration"])]
if job.get("fade_in", 0) > 0:
cmd += ["--fade-in", str(job["fade_in"])]
if job.get("fade_out", 0) > 0:
cmd += ["--fade-out", str(job["fade_out"])]
# SRT iz Claude (boljše besedilo) — preda direktno v subtitle.py
if job.get("claude_srt_path") and Path(job["claude_srt_path"]).exists() and not job.get("no_subs"):
cmd += ["--srt", job["claude_srt_path"]]
# lang: prefer detected_language če auto
chosen_lang = job.get("lang")
if chosen_lang in (None, "auto", ""):
chosen_lang = job.get("detected_language")
if chosen_lang:
cmd += ["--lang", chosen_lang]
if job.get("no_subs"):
cmd += ["--no-subs"]
cmd += ["--model", job.get("whisper_model", "large-v3")]
# DEBUG: zapiši natanko kakšen ukaz se izvede
update_job(job_id, debug_clip_cmd=" ".join(cmd))
if not run_subprocess_logged(cmd, job_id, "Reframe + subtitles"):
return
# ── Done ──────────────────────────────────────────────
if output_path.exists():
update_job(
job_id,
status="done",
current_step="Končano",
output_path=str(output_path),
output_size_mb=round(output_path.stat().st_size / 1024 / 1024, 2),
)
else:
update_job(
job_id,
status="failed",
error="Output datoteka ne obstaja po obdelavi",
)
except Exception as e:
update_job(job_id, status="failed", error=str(e))
# ────────────────────────────────────────────────────────────────
# FastAPI app
# ────────────────────────────────────────────────────────────────
app = FastAPI(title="Reels Clipper")
app.mount("/static", StaticFiles(directory=Path(__file__).parent.parent / "static"), name="static")
@app.on_event("startup")
async def resume_or_cleanup_jobs():
"""Ob startu containerja: avto-resume processing jobs ali jih označi kot error.
Ko Coolify deploya nov container, prejšnji se ubije sredi obdelave,
JSON file pa ostane status='processing'.
Strategija:
- Če je analyze.json že narejen (analiza je končana) → resume z reframe+subs
- Če ni analyze.json → restart pipeline od začetka
- Po 3 napakah (resume_attempts >= 3) → mark error
"""
import asyncio
print("🔄 Preverjam in obnavljam jobs po restart-u...")
resumed_count = 0
error_count = 0
for f in JOBS_DIR.glob("*.json"):
try:
j = json.loads(f.read_text())
if j.get("status") != "processing":
continue
job_id = j.get("job_id") or f.stem
attempts = j.get("resume_attempts", 0)
# Po 3 neuspehih nehamo
if attempts >= 3:
j["status"] = "error"
j["current_step"] = "Preveč napak pri ponovnem zagonu"
j["chorus_error"] = f"Job restartal {attempts} krat — napaka v pipeline-u"
j["updated_at"] = time.time()
f.write_text(json.dumps(j, ensure_ascii=False, indent=2))
error_count += 1
continue
# Preveri ali input file še obstaja
input_path = UPLOAD_DIR / f"{job_id}.mp4"
if not input_path.exists():
j["status"] = "error"
j["current_step"] = "Vhodna datoteka ne obstaja"
j["chorus_error"] = f"Upload {job_id}.mp4 ne obstaja po restart-u"
j["updated_at"] = time.time()
f.write_text(json.dumps(j, ensure_ascii=False, indent=2))
error_count += 1
continue
# Resume: status=queued, +1 attempt, in pošlji v background
j["status"] = "queued"
j["resume_attempts"] = attempts + 1
j["current_step"] = f"Avto-resume po restart-u (poskus {attempts + 1}/3)"
j["last_resume_at"] = time.time()
j["updated_at"] = time.time()
f.write_text(json.dumps(j, ensure_ascii=False, indent=2))
resumed_count += 1
# Pošlji v background po startup-u (ne smemo blokirati startup)
asyncio.create_task(_resume_job_async(job_id))
print(f" 🔁 Resume {job_id} (attempt {attempts + 1}/3)")
except Exception as e:
print(f" ⚠️ Napaka pri {f.name}: {e}")
print(f" ✅ Resumed: {resumed_count}, Error: {error_count}")
async def _resume_job_async(job_id):
"""Pomožna funkcija ki zažene process_job v background-u."""
import asyncio
# Počakaj kratek čas da je startup končan
await asyncio.sleep(2)
try:
# process_job je sync funkcija, izvedi v thread executor
loop = asyncio.get_event_loop()
await loop.run_in_executor(None, process_job, job_id)
except Exception as e:
print(f" ❌ Resume failed for {job_id}: {e}")
@app.get("/", response_class=HTMLResponse)
async def index(user: str = Depends(check_auth)):
html = (Path(__file__).parent.parent / "templates" / "index.html").read_text()
return html
@app.get("/healthz")
async def healthz():
return {"ok": True}
# ────────────────────────────────────────────────────────────────
# Job models
# ────────────────────────────────────────────────────────────────
class YouTubeJobIn(BaseModel):
url: str
mode: str = "track"
lang: Optional[str] = None
auto_chorus: bool = True
start: Optional[float] = None
duration: Optional[float] = 30
no_subs: bool = False
subtitle_style: str = "reels"
whisper_model: str = "large-v3"
quality: str = "medium"
class StartJobIn(BaseModel):
job_id: str
mode: str = "track"
lang: Optional[str] = None # None/auto = Whisper auto-detect
auto_chorus: bool = True
include_prebuild: bool = False # vključi pre-chorus build-up
start: Optional[float] = None
duration: Optional[float] = 30
max_duration: Optional[float] = 45
min_duration: Optional[float] = 20
no_subs: bool = False
subtitle_style: str = "reels"
whisper_model: str = "large-v3"
quality: str = "medium"
# LLM za semantično analizo + popravke
llm_provider: str = "claude" # claude / gemini / auto
llm_model: Optional[str] = None # specifičen model (privzeto najboljši za provider)
# STT provider (Scribe je 18x hitreje + boljša multilingual accuracy)
whisper_provider: str = "auto" # auto / elevenlabs / local
# ────────────────────────────────────────────────────────────────
# Upload (file)
# ────────────────────────────────────────────────────────────────
@app.post("/api/upload")
async def upload_video(
file: UploadFile = File(...),
artist: Optional[str] = Form(None),
title: Optional[str] = Form(None),
user: str = Depends(check_auth),
):
if not file.filename:
raise HTTPException(400, "Brez imena")
job_id = uuid.uuid4().hex[:12]
ext = Path(file.filename).suffix or ".mp4"
input_path = UPLOAD_DIR / f"{job_id}{ext}"
size = 0
with input_path.open("wb") as f:
while chunk := await file.read(1024 * 1024):
size += len(chunk)
if size > MAX_UPLOAD_MB * 1024 * 1024:
f.close()
input_path.unlink(missing_ok=True)
raise HTTPException(413, f"Prevelika datoteka (limit {MAX_UPLOAD_MB} MB)")
f.write(chunk)
job = {
"id": job_id,
"source_type": "upload",
"filename": file.filename,
"input_path": str(input_path),
"size_mb": round(size / 1024 / 1024, 2),
"status": "uploaded",
"current_step": "Naloženo, čaka na obdelavo",
"created_at": time.time(),
"updated_at": time.time(),
}
# Artist + title — najprej user-provided, potem parse iz filename
if artist and title:
# User je vpisal ali potrdil
job["parsed_artist"] = artist.strip()
job["parsed_title"] = title.strip()
job["has_clean_name"] = True
else:
# Auto parse iz filename
a, t = parse_artist_title(file.filename)
if a:
job["parsed_artist"] = a
if t:
job["parsed_title"] = t
job["has_clean_name"] = bool(a and t)
save_job(job)
return job
# ────────────────────────────────────────────────────────────────
# YouTube submit
# ────────────────────────────────────────────────────────────────
@app.post("/api/youtube")
async def submit_youtube(
payload: YouTubeJobIn,
background: BackgroundTasks,
user: str = Depends(check_auth),
):
job_id = uuid.uuid4().hex[:12]
job = {
"id": job_id,
"source_type": "youtube",
"youtube_url": payload.url,
"status": "queued",
"current_step": "V vrsti za YouTube prenos",
"created_at": time.time(),
"updated_at": time.time(),
"mode": payload.mode,
"lang": payload.lang,
"auto_chorus": payload.auto_chorus,
"start": payload.start,
"duration": payload.duration,
"no_subs": payload.no_subs,
"subtitle_style": payload.subtitle_style,
"whisper_model": payload.whisper_model,
"quality": payload.quality,
}
save_job(job)
background.add_task(process_job, job_id)
return job
# ────────────────────────────────────────────────────────────────
# Start processing for uploaded job
# ────────────────────────────────────────────────────────────────
@app.post("/api/process")
async def start_processing(
payload: StartJobIn,
background: BackgroundTasks,
user: str = Depends(check_auth),
):
job = load_job(payload.job_id)
if not job:
raise HTTPException(404, "Job ne obstaja")
update_job(
payload.job_id,
status="queued",
mode=payload.mode,
lang=payload.lang,
auto_chorus=payload.auto_chorus,
include_prebuild=payload.include_prebuild,
start=payload.start,
duration=payload.duration,
max_duration=payload.max_duration,
min_duration=payload.min_duration,
no_subs=payload.no_subs,
subtitle_style=payload.subtitle_style,
whisper_model=payload.whisper_model,
quality=payload.quality,
llm_provider=payload.llm_provider,
llm_model=payload.llm_model,
whisper_provider=payload.whisper_provider,
current_step="V vrsti za obdelavo",
# Počisti pretekle napake (retry-friendly)
chorus_error=None,
interrupted_at=None,
)
background.add_task(process_job, payload.job_id)
return load_job(payload.job_id)
# ────────────────────────────────────────────────────────────────
# Job queries
# ────────────────────────────────────────────────────────────────
@app.get("/api/jobs")
async def get_jobs(user: str = Depends(check_auth)):
return {"jobs": list_jobs()}
@app.get("/api/jobs/{job_id}")
async def get_job(job_id: str, user: str = Depends(check_auth)):
job = load_job(job_id)
if not job:
raise HTTPException(404, "Ne obstaja")
return job
@app.get("/api/stream/{job_id}")
async def stream_job(job_id: str, user: str = Depends(check_auth)):
"""Server-Sent Events za real-time status."""
async def gen():
last_status = None
last_step = None
for _ in range(600): # max 10 min stream
job = load_job(job_id)
if not job:
yield f"data: {json.dumps({'error': 'not found'})}\n\n"
return
if job["status"] != last_status or job.get("current_step") != last_step:
yield f"data: {json.dumps(job, ensure_ascii=False)}\n\n"
last_status = job["status"]
last_step = job.get("current_step")
if job["status"] in ("done", "failed"):
return
await asyncio.sleep(1)
return StreamingResponse(gen(), media_type="text/event-stream")
# ────────────────────────────────────────────────────────────────
# Download / preview
# ────────────────────────────────────────────────────────────────
@app.get("/api/download/{job_id}")
async def download(job_id: str, user: str = Depends(check_auth)):
job = load_job(job_id)
if not job or job.get("status") != "done":
raise HTTPException(404, "Ne pripravljen")
out = Path(job["output_path"])
if not out.exists():
raise HTTPException(404, "Output ne obstaja")
# Pametno ime: "Izvajalec - Naslov - REEL.mp4"
download_name = build_download_filename(job)
return FileResponse(
out,
media_type="video/mp4",
filename=download_name,
)
@app.get("/api/preview/{job_id}")
async def preview(job_id: str, request: Request, user: str = Depends(check_auth)):
"""Video preview z Range request podporo (potrebno za HTML5 video player)."""
job = load_job(job_id)
if not job or job.get("status") != "done":
raise HTTPException(404, "Ne pripravljen")
out = Path(job["output_path"])
if not out.exists():
raise HTTPException(404, "Output ne obstaja")
file_size = out.stat().st_size
range_header = request.headers.get("range") or request.headers.get("Range")
if range_header:
# Parse "bytes=START-END"
try:
range_str = range_header.replace("bytes=", "").strip()
start_s, end_s = range_str.split("-")
start = int(start_s) if start_s else 0
end = int(end_s) if end_s else file_size - 1
end = min(end, file_size - 1)
if start > end or start >= file_size:
return Response(status_code=416) # Range Not Satisfiable
chunk_size = end - start + 1
def iter_file():
with open(out, "rb") as f:
f.seek(start)
remaining = chunk_size
while remaining > 0:
read_size = min(64 * 1024, remaining)
data = f.read(read_size)
if not data:
break
remaining -= len(data)
yield data
headers = {
"Content-Range": f"bytes {start}-{end}/{file_size}",
"Accept-Ranges": "bytes",
"Content-Length": str(chunk_size),
"Content-Type": "video/mp4",
}
return StreamingResponse(iter_file(), status_code=206, headers=headers,
media_type="video/mp4")
except (ValueError, IndexError):
pass
# Brez Range — vrni cel file
return FileResponse(
out,
media_type="video/mp4",
headers={"Accept-Ranges": "bytes", "Content-Length": str(file_size)},
)
@app.delete("/api/jobs/{job_id}")
async def delete_job(job_id: str, user: str = Depends(check_auth)):
job = load_job(job_id)
if not job:
raise HTTPException(404, "Ne obstaja")
for key in ("input_path", "output_path"):
p = job.get(key)
if p and Path(p).exists():
Path(p).unlink(missing_ok=True)
job_path(job_id).unlink(missing_ok=True)
return {"deleted": job_id}