iopath_pathmanager_quickstart_unified_file_operations_http_handler.py

1from iopath.common.file_io import PathManager, HTTPURLHandler
2
3# 1. Initialize the PathManager
4path_mgr = PathManager()
5
6# 2. Register a handler (e.g., for HTTP/HTTPS or S3)
7path_mgr.register_handler(HTTPURLHandler())
8
9# 3. Use the PathManager to perform file operations seamlessly
10url = "https://www.facebook.com"
11local_path = "facebook.html"
12
13# Example: Open a remote URL as if it were a local file
14with path_mgr.open(url, "r") as f:
15    content = f.read()
16    print(f"Read {len(content)} bytes from {url}")
17
18# Example: Check if a path exists (works for local and registered remote paths)
19if path_mgr.exists(url):
20    print(f"{url} is accessible.")
21
22# Example: Download a file to a local destination
23path_mgr.copy(url, local_path)
24print(f"Downloaded {url} to {local_path}")