PriceSpy Engine: Enterprise-Grade Self-Healing Data Pipeline

PriceSpy Engine is a high-availability, production-ready Python data pipeline designed for stable e-commerce data monitoring.

🗺️ Architectural Topology & System Flow Map

    [ Target E-Commerce Target Resource Endpoint ]
                         │
                         ▼
┌────────────────────────────────────────────────────────┐
│ 🕵️ ANTI-FINGERPRINTING MIDDLEWARE LAYER                │
│ • Randomize Canvas/Viewport Profiles & Device Hashes   │
└────────────────────────┬───────────────────────────────┘
                         │
                         ▼
┌────────────────────────────────────────────────────────┐
│ 🎛️ MULTI-TIER FAULT-TOLERANT FALLBACK MATRIX           │
│ ➔ [ TIER 1: API WIRE-LEVEL INTERCEPTION ] ─────────────┼─► (SUCCESS: Extract JSON)
│ ➔ [ TIER 2: STRUCTURED SCHEMA GRAPH PARSING ] ─────────┼─► (SUCCESS: Extract Graph)
│ ➔ [ TIER 3: DEFENSIVE DOM PATTERN MATCHING ] ──────────┼─► (SUCCESS: Extract DOM)
└────────────────────────────────────────────────────────┘
                         │
                         ▼
          [ Synchronized Storage / Google Sheets Ledger ]

📊 Technical Operational Component Matrix

Architectural Layer	Implementation Protocol	Production Performance Objective
Stealth Engine	Playwright Chromium Engine	Bypass Cloudflare/CDN blocks
Fallback Matrix	Multi-Tier Fallback Loop	Eliminate scraper maintenance
Validation Core	Pydantic Declarative Model	100% data sanitization

🛠️ Quick Start Local Sandbox

python3 -m venv .venv && source .venv/bin/activate
pip install --upgrade pip && pip install -r requirements.txt
playwright install chromium