HTTP library with thread-safe connection pooling, file post, and more. Highlights * Re-use the same socket connection for multiple requests (HTTPConnectionPool and HTTPSConnectionPool) (with optional client-side certificate verification). * File posting (encode_multipart_formdata). * Built-in redirection and retries (optional). * Supports gzip and deflate decoding. * Thread-safe and sanity-safe. * Works with AppEngine, gevent, and eventlib. * Tested on Python 2.6+ and Python 3.2+, 100% unit test coverage. * Small and easy to understand codebase perfect for extending and building upon. For a more comprehensive solution, have a look at Requests which is also powered by urllib3.