uzlib
pycopy
uzlib | pycopy | |
---|---|---|
2 | 14 | |
295 | 788 | |
- | - | |
0.0 | 0.0 | |
7 months ago | 3 months ago | |
C | C | |
GNU General Public License v3.0 or later | MIT License |
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uzlib
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Compression algorithms for HTTP packets
This GitHub repo might have something that works https://github.com/pfalcon/uzlib , according to the author, the compression ratio isn't very high
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Using TAR files in ESP32 with SD applications for easy multiple file transfers
I am engineering a watch to play home videos of my children on my wrist - my Reflections project. I need an easy way to move multiple files from a Cloud based service to the watch. tar) and GZip are widely used standards to build and compress an archive of binary (for example, movies and sound files) and text (for example, JSON encoded procedural scripting command) files. Using tar I simplify my code to move one tar file instead of multiple individual files. The ESP32-targz library combines uzlib and TinyUntar to decompress and inflate tar files and works well with Arduino IDE 1.8.13, ESP32, and an SD card. This is my developer’s journal of the problems that I encountered and the work-arounds I used.
pycopy
- Pycopy: Minimalist and memory-efficient Python dialect
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Pycopy 3.5.4 - a minimalist and memory-efficient Python dialect
Oh, so you're interested to get 100 tomes of technical drawings for SpaceX? You may be out of luck with it, but with any open-source project you're in luck - source to answer all of your questions is right there ;-). https://github.com/pfalcon/pycopy in this case. There's also the testsuite which formally specifies everything Pycopy can do (coverage 97%): https://github.com/pfalcon/pycopy/tree/master/tests . Finally, the docs include the section on specific differences with CPython3.4: https://pycopy.readthedocs.io/en/latest/differences/index.html (but that's human-written, so definitely not complete). By the way, docs are 381 pages rendered as a PDF: https://pycopy.readthedocs.io/_/downloads/en/latest/pdf/ .
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Pycopy 3.5.2 - a minimalist and memory-efficient Python dialect
Really? Here's direct link to the closest subsection header: https://github.com/pfalcon/pycopy/#the-unix-version , and quoting it here for you:
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Inline caching
Well, here it is: https://github.com/pfalcon/pycopy/blob/master/py/vm.c#L367
- Pycopy 3.5.0 - a minimalist and memory-efficient Python dialect for human-scale computing
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Pycopy 3.5.0 - a minimalist and memory-efficient Python dialect
https://github.com/pfalcon/pycopy/tree/v3.5.0 (if you prefer to drop people into the code, since the release URL does not contain release notes)
What are some alternatives?
ESP32-targz - 🗜️ An Arduino library to unpack/uncompress tar, gz, and tar.gz files on ESP32 and ESP8266
micropython-lib - Core Python libraries ported to MicroPython
zlib-ng - zlib replacement with optimizations for "next generation" systems.
picoweb - Really minimal web application framework for the Pycopy project (minimalist Python dialect) and its "uasyncio" async framework
sent - a simple plaintext presentation tool
picotui - Lightweight, pure-Python Text User Interface (TUI) widget toolkit with minimal dependencies. Dedicated to the Pycopy project.
Stm32-FatFs-Gzip - This project offers a simplified compressor that produces Gzip-compatible output with small resources for microcontrollers and edge computers. He uses the very basic LZ77 compression algorithm and static Deflate Huffman tree encoding to compress / decompress data into Gzip files.
micropython-raspberrypi - bare metal Raspberry Pi Zero / Zero W port of MicroPython
TinyUntar - A tiny untar library written in C.
emlearn-micropython - Efficient Machine Learning engine for MicroPython
Owin.Compression - Compression (Deflate / GZip) module for Microsoft OWIN filesystem pipeline. Works with Selfhost and also on AspNetCore.
pycopy-lib - Standard library of the Pycopy project, minimalist and light-weight Python language implementation