305 lines
10 KiB
Python
305 lines
10 KiB
Python
#!/usr/bin/env python3
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"""
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Auto Life Plan Video Generator - Main Entry Point
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This script orchestrates the entire video generation pipeline:
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1. Parse PDF/Video inputs (Gemini Pro / Whisper)
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2. Generate script (Gemini Pro)
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3. Fetch B-Roll assets (Pexels API)
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4. Build chart data (Simulation engine)
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5. Generate render_props.json
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6. Trigger Remotion render
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Usage:
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python main.py --pdf path/to/report.pdf
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python main.py --pdf report.pdf --video interview.mp4
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python main.py --config config.json
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"""
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import argparse
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import json
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import subprocess
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import sys
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from pathlib import Path
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from typing import Dict, Any
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# Import backend modules (to be implemented)
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# from backend.extractor import extract_pdf_data, extract_video_data
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# from backend.scripter import generate_script
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# from backend.media_fetcher import fetch_broll
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# from backend.data_builder import build_chart_data
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class VideoGeneratorPipeline:
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"""Main orchestrator for video generation"""
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def __init__(self, config: Dict[str, Any]):
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self.config = config
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self.project_root = Path(__file__).parent
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self.assets_dir = self.project_root / "assets"
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self.input_dir = self.assets_dir / "0_input"
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self.processed_dir = self.assets_dir / "1_processed"
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self.output_dir = self.assets_dir / "2_output"
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# Ensure directories exist
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for dir_path in [self.input_dir, self.processed_dir, self.output_dir]:
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dir_path.mkdir(parents=True, exist_ok=True)
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def run(self) -> str:
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"""Execute the full pipeline and return output video path"""
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print("🚀 Starting Auto Life Plan Video Generation Pipeline...")
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# Step 1: Extract data from PDF
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print("\n📄 Step 1/6: Extracting data from PDF...")
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pdf_data = self.extract_pdf()
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# Step 2: Extract data from video (if provided)
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print("\n🎥 Step 2/6: Processing video footage...")
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video_data = self.extract_video()
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# Step 3: Generate narration script
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print("\n✍️ Step 3/6: Generating narration script...")
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script = self.generate_script(pdf_data, video_data)
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# Step 4: Fetch B-Roll assets
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print("\n🎬 Step 4/6: Fetching B-Roll assets...")
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broll_assets = self.fetch_broll(script)
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# Step 5: Build render props
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print("\n📊 Step 5/6: Building render props...")
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render_props = self.build_render_props(pdf_data, script, broll_assets)
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# Save render_props.json
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props_file = self.processed_dir / "render_props.json"
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with open(props_file, "w", encoding="utf-8") as f:
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json.dump(render_props, f, ensure_ascii=False, indent=2)
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print(f" ✓ Saved render props to {props_file}")
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# Step 6: Render video with Remotion
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print("\n🎞️ Step 6/6: Rendering video with Remotion...")
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output_path = self.render_video(props_file)
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print(f"\n✅ Video generation complete! Output: {output_path}")
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return str(output_path)
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def extract_pdf(self) -> Dict[str, Any]:
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"""Extract data from PDF using Gemini Pro"""
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# TODO: Implement backend.extractor.extract_pdf_data
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print(" [MOCK] Extracting PDF data...")
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return {
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"client_name": "山田太郎",
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"current_age": 35,
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"retirement_age": 65,
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"life_expectancy": 100,
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"current_assets": 5000,
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"annual_income": 600,
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"annual_expenses": 450,
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}
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def extract_video(self) -> Dict[str, Any]:
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"""Extract data from video using Whisper (if video provided)"""
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if not self.config.get("video_path"):
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print(" [SKIP] No video file provided")
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return {}
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# TODO: Implement backend.extractor.extract_video_data
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print(" [MOCK] Extracting video timestamps and transcription...")
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return {
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"transcription": "こんにちは...",
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"timestamps": [
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{"time": 0.5, "text": "Introduction", "keywords": ["保険", "将来"]},
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{"time": 15.2, "text": "Main topic", "keywords": ["資産", "計画"]},
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],
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}
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def generate_script(self, pdf_data: Dict, video_data: Dict) -> Dict[str, Any]:
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"""Generate narration script using Gemini Pro"""
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# TODO: Implement backend.scripter.generate_script
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print(" [MOCK] Generating script with Gemini Pro...")
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return {
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"segments": [
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{
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"id": 1,
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"text": "これからあなたの将来設計について説明します。",
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"duration": 3.5,
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"type": "narration",
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},
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{
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"id": 2,
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"text": "現在の資産状況を見てみましょう。",
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"duration": 2.8,
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"type": "chart_intro",
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},
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]
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}
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def fetch_broll(self, script: Dict) -> Dict[str, Any]:
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"""Fetch B-Roll footage from Pexels API"""
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# TODO: Implement backend.media_fetcher.fetch_broll
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print(" [MOCK] Fetching B-Roll from Pexels...")
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return {
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"retirement": "https://example.com/retirement.mp4",
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"family": "https://example.com/family.mp4",
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}
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def build_render_props(
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self, pdf_data: Dict, script: Dict, broll: Dict
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) -> Dict[str, Any]:
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"""Build the complete render_props.json structure"""
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# TODO: Implement backend.data_builder.build_chart_data
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print(" [MOCK] Building chart data and render props...")
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return {
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"meta": {
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"title": f"{pdf_data.get('client_name', 'お客様')}様の人生設計",
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"currencyUnit": "万円",
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"duration": 180, # 3 minutes
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},
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"charts": {
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"assetDepletion": {
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"timeline": [
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{
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"year": 2025,
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"ages": {"rep": 35, "spouse": 33},
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"financials": {
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"income": 600,
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"expenditure": 450,
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"assetBalance": 5000,
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},
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},
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# ... more years
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],
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"meta": {"currencyUnit": "万円", "startYear": 2025},
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},
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"cashFlow": {
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"timeline": [
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{
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"year": 2025,
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"age": 35,
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"income": {"total": 600},
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"expenses": {
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"living": 200,
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"housing": 150,
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"education": 50,
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"tax": 50,
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"event": 0,
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},
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},
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# ... more years
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],
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"meta": {"currencyUnit": "万円"},
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},
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},
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"script": script["segments"],
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"assets": {
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"broll": broll,
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"videoClips": [],
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},
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}
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def render_video(self, props_file: Path) -> Path:
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"""Render video using Remotion"""
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output_file = self.output_dir / "life_plan_video.mp4"
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# Remotion render command
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cmd = [
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"npx",
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"remotion",
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"render",
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"frontend/src/index.ts",
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"MainVideo",
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str(output_file),
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f"--props={props_file}",
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]
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print(f" Running: {' '.join(cmd)}")
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# TODO: Uncomment when frontend is ready
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# try:
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# subprocess.run(cmd, check=True, cwd=self.project_root)
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# except subprocess.CalledProcessError as e:
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# print(f" ❌ Remotion render failed: {e}")
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# sys.exit(1)
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print(" [MOCK] Remotion render would execute here")
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return output_file
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def main():
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"""CLI entry point"""
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parser = argparse.ArgumentParser(
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description="Auto Life Plan Video Generator",
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog="""
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Examples:
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python main.py --pdf assets/0_input/report.pdf
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python main.py --pdf report.pdf --video interview.mp4
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python main.py --config config.json --output custom_output.mp4
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""",
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)
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parser.add_argument(
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"--pdf",
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type=str,
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help="Path to the Life Plan PDF report",
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)
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parser.add_argument(
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"--video",
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type=str,
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help="Path to the interview video (optional)",
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)
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parser.add_argument(
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"--config",
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type=str,
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help="Path to configuration JSON file",
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)
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parser.add_argument(
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"--output",
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type=str,
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help="Custom output filename (default: life_plan_video.mp4)",
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)
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parser.add_argument(
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"--dry-run",
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action="store_true",
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help="Generate render_props.json without rendering",
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)
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args = parser.parse_args()
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# Build configuration
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config = {}
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if args.config:
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with open(args.config, "r", encoding="utf-8") as f:
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config = json.load(f)
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else:
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if not args.pdf:
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parser.error("--pdf is required when --config is not provided")
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config["pdf_path"] = args.pdf
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config["video_path"] = args.video
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if args.output:
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config["output_filename"] = args.output
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config["dry_run"] = args.dry_run
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# Run pipeline
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pipeline = VideoGeneratorPipeline(config)
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try:
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output_path = pipeline.run()
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print(f"\n🎉 Success! Video saved to: {output_path}")
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except Exception as e:
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print(f"\n❌ Pipeline failed: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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if __name__ == "__main__":
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main()
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