feat: Semaine 9

Semaine_09/Asyncio_examples/exo_02.py

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+# Exercice 2
+
+import asyncio, random, time
+
+section = "Téléchargement de fichiers"
+print(f"=" * (len(section) + 4))
+print(section)
+print(f"=" * (len(section) + 4))
+
+async def random_number():
+    return random.uniform(1.0, 5.0)
+
+async def download_file(file_id: int):
+    download_time = await random_number()
+    await asyncio.sleep(download_time)
+    return f"fichier_{file_id}.zip", download_time
+
+async def file_downloader(downloads: int = 5):
+    start_time = time.perf_counter()
+    tasks = []
+    
+    for i in range(1, downloads + 1):
+        task = asyncio.create_task(download_file(i))
+        tasks.append(task)
+    
+    slowest_file = None
+    slowest_time = 0
+    
+    for task in asyncio.as_completed(tasks):
+        filename, download_time = await task
+        print(f"{filename}: {download_time:.2f}s")
+        
+        if download_time > slowest_time:
+            slowest_time = download_time
+            slowest_file = filename
+    
+    total_time = time.perf_counter() - start_time
+    print(f"\nTemps total: {total_time:.2f}s")
+    print(f"Fichier le plus lent: {slowest_file} ({slowest_time:.2f}s)")
+
+if __name__ == "__main__":
+    asyncio.run(file_downloader())