feat: Semaine 9

Semaine_09/Asyncio_examples/exo_04.py

@@ -0,0 +1,49 @@
+URLS = [
+    "https://httpbin.org/get",
+    "https://httpbin.org/ip",
+    "https://httpbin.org/user-agent",
+    "https://httpbin.org/headers",
+    "https://httpbin.org/uuid",
+    "https://httpbin.org/base64/SWYgeW91IGNhbiByZWFkIHRoaXMsIGJyYXZvICE=",
+]
+
+import asyncio, random, time
+
+async def producer(queue: asyncio.Queue, urls):
+    async def fetch_url(url):
+        delay = random.uniform(0.5, 2.0)
+        print(f"Producer : récupération de l'URL {url=}")
+        await asyncio.sleep(delay)
+        url = {"id": url, "name": f"{url}"}
+        print(f"Producer : récupération de l'URL avec l'ID {url=} - delay {delay:.2f}s.")
+        await queue.put(url)
+
+    await asyncio.gather(*(fetch_url(id) for id in urls))
+    for _ in range(len(urls)):
+        await queue.put(None)
+
+async def consumer(queue):
+    while True:
+        url = await queue.get()
+        if url is None:
+            break
+        delay = random.uniform(0.5, 2.0)
+        print(f"Consumer : récupération des posts pour {url["name"]}")
+        await asyncio.sleep(delay)
+        posts = [f"Post {i} par l'URL : {url["name"]}" for i in range(1, 3)]
+        print(f"Consumer : récupération de {len(posts)} posts pour {url["name"]} - delay {delay:.2f}s.")
+        for post in posts:
+            print(f"--- {post} ---")
+
+async def main():
+    queue = asyncio.Queue()
+    start = time.perf_counter()
+    await asyncio.gather(
+        producer(queue, URLS),
+        *(consumer(queue) for _ in URLS)
+    )
+    print(f"Temps total d'exécution : {time.perf_counter() - start:.2f}s")
+
+if __name__ == "__main__":
+    random.seed(444)
+    asyncio.run(main())