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Podcast: Python Bytes
Episode:

#282 Don't Embarrass Me in Front of The Wizards
Category: Technology
Duration: 00:28:32
Publish Date: 2022-05-03 08:00:00
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Brian #1: pyscript

  • Python in the browser, from Anaconda. repo here
  • Announced at PyConUS
  • “During a keynote speech at PyCon US 2022, Anaconda’s CEO Peter Wang unveiled quite a surprising project — PyScript. It is a JavaScript framework that allows users to create Python applications in the browser using a mix of Python and standard HTML. The project’s ultimate goal is to allow a much wider audience (for example, front-end developers) to benefit from the power of Python and its various libraries (statistical, ML/DL, etc.).” from a nice article on it, PyScript — unleash the power of Python in your browser
  • PyScript is built on Pyodide, which is a port of CPython based on WebAssembly.
  • Demos are cool.
  • Note included in README: “This is an extremely experimental project, so expect things to break!”

Michael #2: Memray from Bloomberg

  • Memray is a memory profiler for Python.
  • It can track memory allocations in
    • Python code
    • native extension modules
    • the Python interpreter itself
  • Works both via CLI and focused app calls
  • Memray can help with the following problems:
    • Analyze allocations in applications to help discover the cause of high memory usage.
    • Find memory leaks.
    • Find hotspots in code which cause a lot of allocations.
  • Notable features:
    • ️‍️ Traces every function call so it can accurately represent the call stack, unlike sampling profilers.
    • ℭ Also handles native calls in C/C++ libraries so the entire call stack is present in the results.
    • Blazing fast! Profiling causes minimal slowdown in the application. Tracking native code is somewhat slower, but this can be enabled or disabled on demand.
    • It can generate various reports about the collected memory usage data, like flame graphs.
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