Ölçekli kazıma yaparken, aynı anda birden fazla CAPTCHA çözümüne ihtiyacınız vardır. Bir kuyruk sistemi, CAPTCHA gönderimini sonuç alımından ayırarak yüzlerce görevde paralel çözüme olanak tanır.
Neden kuyruk kullanıyorsunuz?
Tek istek CAPTCHA çözme, bekleme süresini boşa harcar. Bir kuyruk sistemi:
- Tüm CAPTCHA'ları anında gönderir
- Birden fazla görev kimliğini paralel olarak yoklar
- Yeniden denemeler başarısız olursa otomatik olarak çözer
- API hız sınırlarına uymak için eşzamanlılığı kontrol eder
- İlerleme takibi ve geri aramalar sağlar
Temel iş parçacığı kuyruğu
import time
import threading
import requests
from queue import Queue, Empty
API_KEY = "YOUR_API_KEY"
class CaptchaQueue:
"""Thread-based CAPTCHA solving queue."""
def __init__(self, api_key, max_workers=10):
self.api_key = api_key
self.task_queue = Queue()
self.result_queue = Queue()
self.max_workers = max_workers
self.workers = []
def submit(self, method, callback=None, **params):
"""Add a CAPTCHA task to the queue."""
task = {
"method": method,
"params": params,
"callback": callback,
}
self.task_queue.put(task)
def start(self):
"""Start worker threads."""
for _ in range(self.max_workers):
t = threading.Thread(target=self._worker, daemon=True)
t.start()
self.workers.append(t)
def wait(self):
"""Wait for all tasks to complete."""
self.task_queue.join()
def get_results(self):
"""Get all available results."""
results = []
while not self.result_queue.empty():
try:
results.append(self.result_queue.get_nowait())
except Empty:
break
return results
def _worker(self):
while True:
try:
task = self.task_queue.get(timeout=1)
except Empty:
continue
try:
result = self._solve(task["method"], **task["params"])
entry = {"status": "solved", "result": result, "task": task}
self.result_queue.put(entry)
if task["callback"]:
task["callback"](result)
except Exception as e:
entry = {"status": "error", "error": str(e), "task": task}
self.result_queue.put(entry)
finally:
self.task_queue.task_done()
def _solve(self, method, **params):
submit = requests.post("https://ocr.captchaai.com/in.php", data={
"key": self.api_key, "method": method, "json": 1, **params,
}, timeout=30).json()
if submit.get("status") != 1:
raise Exception(f"Submit error: {submit.get('request')}")
task_id = submit["request"]
for _ in range(30):
time.sleep(5)
result = requests.get("https://ocr.captchaai.com/res.php", params={
"key": self.api_key, "action": "get", "id": task_id, "json": 1,
}, timeout=30).json()
if result.get("status") == 1:
return result["request"]
if result.get("request") == "ERROR_CAPTCHA_UNSOLVABLE":
raise Exception("CAPTCHA unsolvable")
raise TimeoutError("Solve timed out")
# Usage
queue = CaptchaQueue(API_KEY, max_workers=5)
queue.start()
# Submit multiple CAPTCHAs
urls_and_sitekeys = [
("https://example.com/page1", "SITEKEY_1"),
("https://example.com/page2", "SITEKEY_2"),
("https://example.com/page3", "SITEKEY_3"),
]
for url, sitekey in urls_and_sitekeys:
queue.submit("userrecaptcha", googlekey=sitekey, pageurl=url)
queue.wait()
results = queue.get_results()
print(f"Solved {len(results)} CAPTCHAs")
for r in results:
print(f" {r['status']}: {r.get('result', r.get('error', ''))[:50]}")
Asyncio ile zaman uyumsuz kuyruk
import asyncio
import aiohttp
API_KEY = "YOUR_API_KEY"
class AsyncCaptchaQueue:
"""Async CAPTCHA solving queue with concurrency control."""
def __init__(self, api_key, max_concurrent=10):
self.api_key = api_key
self.semaphore = asyncio.Semaphore(max_concurrent)
self.results = []
async def solve_batch(self, tasks):
"""Solve a batch of CAPTCHA tasks concurrently."""
coros = [self._solve_task(task) for task in tasks]
self.results = await asyncio.gather(*coros, return_exceptions=True)
return self.results
async def _solve_task(self, task):
async with self.semaphore:
return await self._solve(task["method"], **task["params"])
async def _solve(self, method, **params):
async with aiohttp.ClientSession() as session:
# Submit
async with session.post("https://ocr.captchaai.com/in.php", data={
"key": self.api_key, "method": method, "json": 1, **params,
}) as resp:
data = await resp.json(content_type=None)
if data.get("status") != 1:
raise Exception(f"Submit error: {data.get('request')}")
task_id = data["request"]
# Poll
for _ in range(30):
await asyncio.sleep(5)
async with session.get("https://ocr.captchaai.com/res.php", params={
"key": self.api_key, "action": "get", "id": task_id, "json": 1,
}) as resp:
result = await resp.json(content_type=None)
if result.get("status") == 1:
return result["request"]
if result.get("request") == "ERROR_CAPTCHA_UNSOLVABLE":
raise Exception("CAPTCHA unsolvable")
raise TimeoutError("Solve timed out")
# Usage
async def main():
queue = AsyncCaptchaQueue(API_KEY, max_concurrent=5)
tasks = [
{"method": "userrecaptcha", "params": {"googlekey": f"SITEKEY_{i}", "pageurl": f"https://example.com/page{i}"}}
for i in range(10)
]
results = await queue.solve_batch(tasks)
for i, result in enumerate(results):
if isinstance(result, Exception):
print(f"Task {i}: ERROR — {result}")
else:
print(f"Task {i}: {result[:50]}...")
asyncio.run(main())
Üretici-tüketici modeli
Sayfaların dinamik olarak keşfedildiği sürekli kazıma iş yükleri için:
import asyncio
import aiohttp
API_KEY = "YOUR_API_KEY"
class ProducerConsumerQueue:
"""Continuous CAPTCHA solving with producer-consumer pattern."""
def __init__(self, api_key, queue_size=100, num_consumers=5):
self.api_key = api_key
self.queue = asyncio.Queue(maxsize=queue_size)
self.num_consumers = num_consumers
self.solved_count = 0
self.error_count = 0
self.running = True
async def produce(self, tasks):
"""Producer: feed CAPTCHA tasks into the queue."""
for task in tasks:
await self.queue.put(task)
# Signal consumers to stop
for _ in range(self.num_consumers):
await self.queue.put(None)
async def consume(self, result_handler):
"""Consumer: solve CAPTCHAs and call result handler."""
async with aiohttp.ClientSession() as session:
while True:
task = await self.queue.get()
if task is None:
self.queue.task_done()
break
try:
result = await self._solve(session, task["method"], **task["params"])
self.solved_count += 1
if result_handler:
await result_handler(task, result)
except Exception as e:
self.error_count += 1
print(f"Error: {e}")
finally:
self.queue.task_done()
async def run(self, tasks, result_handler=None):
"""Run the producer-consumer pipeline."""
# Start producer
producer = asyncio.create_task(self.produce(tasks))
# Start consumers
consumers = [
asyncio.create_task(self.consume(result_handler))
for _ in range(self.num_consumers)
]
# Wait for everything to finish
await producer
await asyncio.gather(*consumers)
print(f"Complete: {self.solved_count} solved, {self.error_count} errors")
async def _solve(self, session, method, **params):
async with session.post("https://ocr.captchaai.com/in.php", data={
"key": self.api_key, "method": method, "json": 1, **params,
}) as resp:
data = await resp.json(content_type=None)
if data.get("status") != 1:
raise Exception(f"Submit: {data.get('request')}")
task_id = data["request"]
for _ in range(30):
await asyncio.sleep(5)
async with session.get("https://ocr.captchaai.com/res.php", params={
"key": self.api_key, "action": "get", "id": task_id, "json": 1,
}) as resp:
result = await resp.json(content_type=None)
if result.get("status") == 1:
return result["request"]
raise TimeoutError("Timed out")
# Usage
async def handle_result(task, token):
url = task["params"]["pageurl"]
print(f"Solved for {url}: {token[:30]}...")
async def main():
queue = ProducerConsumerQueue(API_KEY, num_consumers=5)
tasks = [
{"method": "userrecaptcha", "params": {"googlekey": f"SITEKEY_{i}", "pageurl": f"https://example.com/page{i}"}}
for i in range(20)
]
await queue.run(tasks, result_handler=handle_result)
asyncio.run(main())
Öncelik kuyruğu
Bazı CAPTCHA'lar diğerlerinden daha önemli olduğunda:
import asyncio
from dataclasses import dataclass, field
API_KEY = "YOUR_API_KEY"
@dataclass(order=True)
class PriorityTask:
priority: int
task: dict = field(compare=False)
class PriorityCaptchaQueue:
"""CAPTCHA queue with priority levels."""
def __init__(self, api_key, num_workers=5):
self.api_key = api_key
self.queue = asyncio.PriorityQueue()
self.num_workers = num_workers
self.results = {}
async def submit(self, task_id, method, priority=5, **params):
"""Submit with priority (lower number = higher priority)."""
await self.queue.put(PriorityTask(
priority=priority,
task={"id": task_id, "method": method, "params": params},
))
async def process(self):
"""Process all queued tasks by priority."""
workers = [asyncio.create_task(self._worker()) for _ in range(self.num_workers)]
# Wait for queue to drain
await self.queue.join()
# Cancel workers
for w in workers:
w.cancel()
return self.results
async def _worker(self):
import aiohttp
async with aiohttp.ClientSession() as session:
while True:
item = await self.queue.get()
task = item.task
try:
result = await self._solve(session, task["method"], **task["params"])
self.results[task["id"]] = {"status": "solved", "token": result}
except Exception as e:
self.results[task["id"]] = {"status": "error", "error": str(e)}
finally:
self.queue.task_done()
async def _solve(self, session, method, **params):
import aiohttp
async with session.post("https://ocr.captchaai.com/in.php", data={
"key": self.api_key, "method": method, "json": 1, **params,
}) as resp:
data = await resp.json(content_type=None)
if data.get("status") != 1:
raise Exception(data.get("request"))
task_id = data["request"]
for _ in range(30):
await asyncio.sleep(5)
async with session.get("https://ocr.captchaai.com/res.php", params={
"key": self.api_key, "action": "get", "id": task_id, "json": 1,
}) as resp:
result = await resp.json(content_type=None)
if result.get("status") == 1:
return result["request"]
raise TimeoutError()
# Usage
async def main():
pq = PriorityCaptchaQueue(API_KEY, num_workers=3)
# High priority — checkout pages
await pq.submit("checkout_1", "turnstile", priority=1, sitekey="KEY", pageurl="https://shop.com/checkout")
# Normal priority — product pages
for i in range(5):
await pq.submit(f"product_{i}", "userrecaptcha", priority=5, googlekey="KEY", pageurl=f"https://shop.com/p/{i}")
# Low priority — info pages
for i in range(3):
await pq.submit(f"info_{i}", "userrecaptcha", priority=10, googlekey="KEY", pageurl=f"https://shop.com/info/{i}")
results = await pq.process()
for task_id, result in results.items():
print(f"{task_id}: {result['status']}")
asyncio.run(main())
İzleme ve raporlama
import time
from dataclasses import dataclass, field
@dataclass
class QueueMetrics:
submitted: int = 0
solved: int = 0
failed: int = 0
total_solve_time: float = 0.0
start_time: float = field(default_factory=time.time)
@property
def avg_solve_time(self):
return self.total_solve_time / self.solved if self.solved else 0
@property
def success_rate(self):
total = self.solved + self.failed
return (self.solved / total * 100) if total else 0
@property
def throughput(self):
elapsed = time.time() - self.start_time
return self.solved / elapsed * 60 if elapsed > 0 else 0
def report(self):
return (
f"Submitted: {self.submitted} | "
f"Solved: {self.solved} | "
f"Failed: {self.failed} | "
f"Avg time: {self.avg_solve_time:.1f}s | "
f"Success: {self.success_rate:.1f}% | "
f"Throughput: {self.throughput:.0f}/min"
)
Sorun giderme
| Belirti | Sebep | Düzeltme |
|---|---|---|
| Kuyruk büyüyor ancak görevler tamamlanmıyor | Çok fazla çalışan API'yi bunaltıyor | max_workers / max_concurrent'yi azaltın |
ERROR_NO_SLOT_AVAILABLE |
API eşzamanlılık sınırına ulaşıldı | Gönderimler arasına gecikme ekleyin |
| Görevler kuyrukta kaldı | Çalışan iş parçacıkları istisna nedeniyle öldü | Çalışan döngüsünü try/except'ye sarın |
| Hafıza zamanla büyür | Sonuçlar tüketilmedi | get_results()'yi periyodik olarak arayın |
| Eşzamansız kuyruk blokları | await eksik |
Tüm eşzamansız çağrıların beklendiğinden emin olun |
Sık sorulan sorular
Kaç tane eş zamanlı çözüm çalıştırabilirim?
CaptchaAI, sunucu tarafında eşzamanlılığı yönetir. 10 eş zamanlı çalışanla başlayın ve plan limitlerinize göre artırın. Ne zaman kısılacağını öğrenmek için ERROR_NO_SLOT_AVAILABLE'yi kontrol edin.
İş parçacığı mı yoksa asyncio mu kullanmalıyım?
Yeni projeler için asyncio kullanın; I/O-bound CAPTCHA çözümünü daha verimli bir şekilde gerçekleştirir. Mevcut senkronize koda entegre ediliyorsa iş parçacığı kullanın.
API hız sınırlarını nasıl yönetirim?
Eşzamanlı istekleri sınırlamak için bir semafor (zaman uyumsuz) veya sınırlı kuyruk (iş parçacığı) kullanın. ERROR_NO_SLOT_AVAILABLE'ye basarsanız gönderimler arasına kısa bir gecikme ekleyin.
Özet
CAPTCHA çözme kuyruğu, gönderimi oylamadan ayırır ve CAPTCHA ile paralel çözüme olanak tanır.CaptchaAI. Senkronize kod için iş parçacığını, modern Python için asyncio'yu ve sürekli iş yükleri için üretici-tüketiciyi seçin.