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[Python] Comprehensive Guide to Using Proxies in Python: HTTP, SOCKS, and Asynchronou

by MoMoProxy - 19 September, 2024 - 08:16 AM
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(22 September, 2024 - 02:36 PM)MoMoProxy Wrote: Show More
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(27 September, 2024 - 09:51 AM)MoMoProxy Wrote: Show More
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❌ Why Python is terrible at this (Proxies and threads):

Python’s "threads" don’t actually run in parallel.

Python has something called the Global Interpreter Lock (GIL). It means:
  • Even if you create 100 threads in Python, only one thread runs at a time in a single process.
  • This is terrible for network-heavy or I/O-heavy tasks, like using proxies, scraping, or concurrent HTTP requests.
To work around this, you must:
  • Use
    Code:
    [color=#e74c3c][b]asyncio[/b][/color]
    (which adds complexity).
  • Or use multiprocessing, which uses more memory and is slower to start.
  • Or rely on third-party libraries like
    Code:
    [color=#e74c3c]requests[/color]
    ,
    Code:
    [color=#e74c3c]aiohttp[/color]
    ,
    Code:
    [color=#e74c3c]threading[/color]
    , or
    Code:
    [color=#e74c3c]concurrent.futures[/color]
    — all of which are slower and messier than Go's simple
    Code:
    [color=#e74c3c]go func()[/color]
    .
✅ Why Go is better:
  1. Built-in concurrency via goroutines:
    • Go has lightweight, fast, and memory-efficient threads called goroutines.
    • You can launch thousands of goroutines using almost no memory.
    • Go handles scheduling for you with a powerful built-in scheduler, making concurrency easy and efficient.
  2. Channels and sync tools built-in:
    • Go’s concurrency model is simple and powerful: channels let you safely share data between goroutines with no external libraries.
  3. Standard library is excellent for HTTP and proxies:
    •  
      Code:
      [color=#2ecc71]http.Client[/color]
      in Go has built-in support for proxy settings and connection reuse.
    • You can control timeouts, redirects, and proxies with very little code — and it's fast.
 If you're writing a script that uses many proxies or connections, Go will:
  • Use less RAM
  • Run faster
  • Be simpler to maintain
Python will:
  • Choke under high concurrency
  • Require async or multiprocessing
  • Be more error-prone and complex
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