Topics covered in this episode:

<ul>
	<li><a href="https://httptap.dev?featured_on=pythonbytes">httptap</a></li>
<li><a href="https://blog.jetbrains.com/pycharm/2025/11/10-smart-performance-hacks-for-faster-python-code/?featured_on=pythonbytes">10 Smart Performance Hacks For Faster Python Code</a></li>
<li><a href="https://fastrtc.org?featured_on=pythonbytes">FastRTC</a></li>
<li><a href="https://pythontest.com/pipdeptree-uv-pip-tree/?featured_on=pythonbytes">Explore Python dependencies with <code>pipdeptree</code> and <code>uv pip tree</code></a></li>
<li>Extras</li>
<li>Joke</li>

</ul><a href='https://www.youtube.com/watch?v=YjoTi2hHZ-M' style='font-weight: bold;'data-umami-event="Livestream-Past" data-umami-event-episode="457">Watch on YouTube</a>

About the show

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<ul>
<li>Our <a href="https://training.talkpython.fm/?featured_on=pythonbytes">courses at Talk Python Training</a></li>
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Connect with the hosts

<ul>
<li>Michael: <a href="https://fosstodon.org/@mkennedy">@mkennedy@fosstodon.org</a> / <a href="https://bsky.app/profile/mkennedy.codes?featured_on=pythonbytes">@mkennedy.codes</a> (bsky)</li>
<li>Brian: <a href="https://fosstodon.org/@brianokken">@brianokken@fosstodon.org</a> / <a href="https://bsky.app/profile/brianokken.bsky.social?featured_on=pythonbytes">@brianokken.bsky.social</a></li>
<li>Show: <a href="https://fosstodon.org/@pythonbytes">@pythonbytes@fosstodon.org</a> / <a href="https://bsky.app/profile/pythonbytes.fm">@pythonbytes.fm</a> (bsky)</li>
</ul>

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Michael #1: <a href="https://httptap.dev?featured_on=pythonbytes">httptap</a>

<ul>
<li>Rich-powered CLI that breaks each HTTP request into DNS, connect, TLS, wait, and transfer phases with waterfall timelines, compact summaries, or metrics-only output.</li>
<li>Features
<ul>
<li>Phase-by-phase timing – precise measurements built from httpcore trace hooks (with sane fallbacks when metal-level data is unavailable).</li>
<li>All HTTP methods – GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS with request body support.</li>
<li>Request body support – send JSON, XML, or any data inline or from file with automatic Content-Type detection.</li>
<li>IPv4/IPv6 aware – the resolver and TLS inspector report both the address and its family.</li>
<li>TLS insights – certificate CN, expiry countdown, cipher suite, and protocol version are captured automatically.</li>
<li>Multiple output modes – rich waterfall view, compact single-line summaries, or <code>-metrics-only</code> for scripting.</li>
<li>JSON export – persist full step data (including redirect chains) for later processing.</li>
<li>Extensible – clean Protocol interfaces for DNS, TLS, timing, visualization, and export so you can plug in custom behavior.</li>
</ul></li>
<li>Example:</li>
</ul>

<img src="https://blobs.pythonbytes.fm/httptap-tp-example.png?cache_id=29ee04" alt="img" />

Brian #2: <a href="https://blog.jetbrains.com/pycharm/2025/11/10-smart-performance-hacks-for-faster-python-code/?featured_on=pythonbytes">10 Smart Performance Hacks For Faster Python Code</a>

<ul>
<li>Dido Grigorov</li>
<li>A few from the list
<ul>
<li>Use math functions instead of operators</li>
<li>Avoid exception handling in hot loops</li>
<li>Use itertools for combinatorial operations - huge speedup</li>
<li>Use bisect for sorted list operations - huge speedup</li>
</ul></li>
</ul>

Michael #3: <a href="https://fastrtc.org?featured_on=pythonbytes">FastRTC</a>

<ul>
<li>The Real-Time Communication Library for Python: Turn any python function into a real-time audio and video stream over WebRTC or WebSockets.</li>
<li>Features
<ul>
<li>🗣️ Automatic Voice Detection and Turn Taking built-in, only worry about the logic for responding to the user.</li>
<li>💻 Automatic UI - Use the <code>.ui.launch()</code> method to launch the webRTC-enabled built-in Gradio UI.</li>
<li>🔌 Automatic WebRTC Support - Use the <code>.mount(app)</code> method to mount the stream on a FastAPI app and get a webRTC endpoint for your own frontend!</li>
<li>⚡️ Websocket Support - Use the <code>.mount(app)</code> method to mount the stream on a FastAPI app and get a websocket endpoint for your own frontend!</li>
<li>📞 Automatic Telephone Support - Use the <code>fastphone()</code> method of the stream to launch the application and get a free temporary phone number!</li>
<li>🤖 Completely customizable backend - A <code>Stream</code> can easily be mounted on a FastAPI app so you can easily extend it to fit your production application. See the <a href="https://huggingface.co/spaces/fastrtc/talk-to-claude?featured_on=pythonbytes">Talk To Claude</a> demo for an example of how to serve a custom JS frontend.</li>
</ul></li>
</ul>

Brian #4: <a href="https://pythontest.com/pipdeptree-uv-pip-tree/?featured_on=pythonbytes">Explore Python dependencies with <code>pipdeptree</code> and <code>uv pip tree</code></a>

<ul>
<li>Suggested by Nicholas Carsner
<ul>
<li>We have covered it, but in 2017 on <a href="https://pythonbytes.fm/episodes/show/17/googles-python-is-on-fire-and-simon-says-you-have-cpu-load-pythonically">episode 17.</a></li>
</ul></li>
<li><a href="https://github.com/tox-dev/pipdeptree/blob/main/README.md#pipdeptree">pipdeptree</a>
<ul>
<li>Use <code>pipdeptree --python auto</code> to allow it to read your venv</li>
</ul></li>
<li><a href="https://docs.astral.sh/uv/reference/cli/#uv-pip-tree">uv pip tree</a>
<ul>
<li>Also check out <code>uv pip tree</code> and some useful flags
<ul>
<li><code>--show-version-specifiers</code> to show the rules</li>
<li><code>--outdated</code> notes packages that need updated</li>
</ul></li>
</ul></li>
</ul>

Extras

Brian:

<ul>
<li><a href="https://courses.pythontest.com/lean-tdd/?featured_on=pythonbytes">Lean TDD 0.1.1</a> includes an updated intro and another chapter, “Essential Components”</li>
<li><a href="https://marketplace.visualstudio.com/items?itemName=johnpapa.vscode-peacock&featured_on=pythonbytes">VSCode Peacock Extension</a> - color code your different projects</li>
</ul>

Joke: <a href="https://x.com/pr0grammerhum0r/status/1956264628960272542?s=12&featured_on=pythonbytes">Sure Grandma</a>

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