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·
a406c08
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Parent(s):
787ee13
after debug
Browse files
README.md
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@@ -4,7 +4,7 @@ emoji: 🚀
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colorFrom: yellow
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colorTo: red
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sdk: docker
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-
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pinned: false
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license: apache-2.0
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short_description: lab for education
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colorFrom: yellow
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colorTo: red
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sdk: docker
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app_port: 8000
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pinned: false
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license: apache-2.0
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short_description: lab for education
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app.py
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@@ -1,42 +1,49 @@
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import os
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import httpx #
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import asyncio
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from fastapi import FastAPI, Request, HTTPException
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from fastapi.responses import StreamingResponse, RedirectResponse, PlainTextResponse
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from fastapi.middleware.cors import CORSMiddleware
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from dotenv import load_dotenv
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import logging
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import time
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# --- Konfigurasi
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# ---
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load_dotenv()
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#
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"GITHUB_RAW_URL_FILE",
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"https://raw.githubusercontent.com/BagaSept26/education-lab/refs/heads/main/backend_url.txt"
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)
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#
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BACKEND_URL_CACHE_TTL = int(os.getenv("
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# --- State Aplikasi ---
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app = FastAPI(title="
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current_backend_url = None
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last_url_fetch_time = 0
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url_fetch_lock = asyncio.Lock()
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#CORS
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origins = [
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"http://localhost:5173", #dev lokal
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"https://education-lab-bagaseptian.vercel.app" #
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"https
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"https://
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]
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app.add_middleware(
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CORSMiddleware,
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allow_origins=origins,
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@@ -46,23 +53,27 @@ app.add_middleware(
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)
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async def get_latest_backend_url_from_github():
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"""Mengambil URL backend terbaru dari file
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global current_backend_url, last_url_fetch_time
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async with url_fetch_lock:
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if current_backend_url and (time.time() - last_url_fetch_time) < BACKEND_URL_CACHE_TTL:
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logger.info(f"Menggunakan URL
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return current_backend_url
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logger.info(f"Mengambil URL backend terbaru dari
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headers = {}
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try:
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async with httpx.AsyncClient(timeout=10.0) as client:
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response = await client.get(GITHUB_RAW_URL_FILE, headers=headers)
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response.raise_for_status()
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new_url = response.text.strip()
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if new_url and (new_url.startswith("http://") or new_url.startswith("https
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if new_url != current_backend_url:
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logger.info(f"URL backend baru ditemukan: {new_url}")
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current_backend_url = new_url
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last_url_fetch_time = time.time()
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return current_backend_url
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else:
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logger.error(f"Format URL tidak valid dari
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except httpx.HTTPStatusError as e:
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logger.error(f"HTTP error saat mengambil URL dari
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except httpx.RequestError as e:
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logger.error(f"Request error saat mengambil URL dari
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except Exception as e:
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logger.error(f"Error tidak terduga saat mengambil URL: {e}")
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-
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-
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return current_backend_url
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else:
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current_backend_url = None
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last_url_fetch_time = 0
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return None
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@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
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async def proxy_to_backend(request: Request, path: str):
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"""
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@@ -178,9 +193,10 @@ async def status():
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"last_url_fetch_attempt_timestamp": last_url_fetch_time if last_url_fetch_time > 0 else "Belum pernah fetch"
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}
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-
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# if __name__ == "__main__":
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# import uvicorn
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# logger.info("Menjalankan redirector lokal di port 8001...")
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# uvicorn.run(app, host="0.0.0.0", port=8001)
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import os
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import httpx # Library HTTP client modern, async-friendly
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import asyncio
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from fastapi import FastAPI, Request, HTTPException
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from fastapi.responses import StreamingResponse, RedirectResponse, PlainTextResponse
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from fastapi.middleware.cors import CORSMiddleware
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from dotenv import load_dotenv # Untuk membaca .env jika perlu (opsional)
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import logging
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import time
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# --- Konfigurasi Logging ---
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# --- Konfigurasi Aplikasi ---
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load_dotenv() # Muat variabel dari .env jika ada (untuk pengembangan lokal)
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# URL ke file backend_url.txt RAW di GitHub
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# Ganti YOUR_GITHUB_USERNAME dan YOUR_REPO_NAME
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GITHUB_RAW_URL_FILE = os.getenv(
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"GITHUB_RAW_URL_FILE",
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"https://raw.githubusercontent.com/BagaSept26/education-lab/refs/heads/main/backend_url.txt"
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)
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# Token GitHub PAT jika repo Anda private (tidak direkomendasikan untuk file URL ini)
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# Jika repo publik, token tidak diperlukan untuk membaca file raw.
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# GITHUB_TOKEN = os.getenv("GITHUB_PAT_FOR_REDIRECTOR") # Simpan di Secrets HF Space
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# Interval cache untuk URL backend (dalam detik)
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BACKEND_URL_CACHE_TTL = int(os.getenv("BACKEND_URL_CACHE_TTL", "60")) # Cache 60 detik
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# --- State Aplikasi ---
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app = FastAPI(title="Edication Lab Redirector", version="0.1.0")
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current_backend_url = None
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last_url_fetch_time = 0
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url_fetch_lock = asyncio.Lock()
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# --- Konfigurasi CORS untuk HF Space ---
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# Izinkan request dari Vercel frontend Anda
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# Ganti dengan URL Vercel Anda yang sebenarnya atau gunakan wildcard yang lebih spesifik
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origins = [
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"http://localhost:5173", # Untuk dev lokal frontend
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"https://education-lab-bagaseptian.vercel.app", # GANTI INI
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"https://*.vercel.app", # Lebih umum
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"https://bagaseptian-edu_lab.hf.space" # URL space ini sendiri jika perlu
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]
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app.add_middleware(
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CORSMiddleware,
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allow_origins=origins,
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)
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async def get_latest_backend_url_from_github():
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"""Mengambil URL backend terbaru dari file di GitHub."""
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global current_backend_url, last_url_fetch_time
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async with url_fetch_lock: # Pastikan hanya satu coroutine yang fetch pada satu waktu
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# Cek apakah cache masih valid
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if current_backend_url and (time.time() - last_url_fetch_time) < BACKEND_URL_CACHE_TTL:
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logger.info(f"Menggunakan URL backend dari cache: {current_backend_url}")
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return current_backend_url
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logger.info(f"Mengambil URL backend terbaru dari GitHub: {GITHUB_RAW_URL_FILE}")
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headers = {}
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# if GITHUB_TOKEN: # Jika file di repo private
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# headers["Authorization"] = f"token {GITHUB_TOKEN}"
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try:
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async with httpx.AsyncClient(timeout=10.0) as client:
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response = await client.get(GITHUB_RAW_URL_FILE, headers=headers)
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response.raise_for_status() # Akan raise error untuk status 4xx/5xx
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new_url = response.text.strip()
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if new_url and (new_url.startswith("http://") or new_url.startswith("https://")):
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if new_url != current_backend_url:
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logger.info(f"URL backend baru ditemukan: {new_url}")
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current_backend_url = new_url
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last_url_fetch_time = time.time()
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return current_backend_url
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else:
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logger.error(f"Format URL tidak valid dari GitHub: '{new_url}'")
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# Jangan update cache jika URL tidak valid, tetap gunakan yang lama (jika ada)
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return current_backend_url # Atau None jika belum pernah ada yg valid
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except httpx.HTTPStatusError as e:
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logger.error(f"HTTP error saat mengambil URL dari GitHub: {e.response.status_code} - {e.response.text}")
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except httpx.RequestError as e:
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logger.error(f"Request error saat mengambil URL dari GitHub: {e}")
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except Exception as e:
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logger.error(f"Error tidak terduga saat mengambil URL: {e}")
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# Jika fetch gagal, kembalikan URL lama yang valid (jika ada) untuk sementara waktu
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# atau jika URL lama sudah terlalu lama, mungkin lebih baik return None
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if current_backend_url and (time.time() - last_url_fetch_time) < (BACKEND_URL_CACHE_TTL * 5): # Toleransi 5x TTL
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logger.warning("Gagal mengambil URL baru, menggunakan URL lama dari cache.")
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return current_backend_url
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else: # Jika URL lama juga sudah terlalu basi atau tidak ada
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current_backend_url = None # Reset jika gagal fetch terlalu lama
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last_url_fetch_time = 0
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return None
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@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS", "HEAD"])
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async def proxy_to_backend(request: Request, path: str):
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"""
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"last_url_fetch_attempt_timestamp": last_url_fetch_time if last_url_fetch_time > 0 else "Belum pernah fetch"
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}
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# Jika dijalankan secara lokal (python app.py)
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# if __name__ == "__main__":
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# import uvicorn
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# logger.info("Menjalankan redirector secara lokal di port 8001...")
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# # Ganti nilai di GITHUB_RAW_URL_FILE dengan URL raw GitHub Anda yang benar sebelum menjalankan lokal
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# # Contoh: GITHUB_RAW_URL_FILE = "https://raw.githubusercontent.com/NAMA_USER_ANDA/edication-lab/main/backend_url.txt"
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# uvicorn.run(app, host="0.0.0.0", port=8001)
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