libffi
python-for-android
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libffi | python-for-android | |
---|---|---|
11 | 55 | |
3,053 | 8,031 | |
1.5% | 1.7% | |
7.9 | 8.0 | |
about 1 month ago | 3 days ago | |
C | Python | |
GNU General Public License v3.0 or later | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
libffi
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Error when installing .deb
Ok, there is a missing dependency, libffi6, which cannot be installed, because it isn't at repos. You can either install it via downloading from other repos (there is a chance in the debian repo), or via compiling on your own (you can start with paying a visit to official site: https://sourceware.org/libffi/). Either way, move carefully and never forget when a dependency is missing, it may be a start of a "missing dependencies hell". And please, be caution, because you can break your system quite easily.
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Your favorite binding?
I've been working in implementing libffi into Euphoria so we can call Raylib functions directly. Previously, Euphoria did not support passing structures by value and only occasionally could we get away with "faking" it by passing int type values directly (but not float types). Raylib is the first library I've run into that makes heavy use of passing structures by value, so it's been an interesting challenge. My original proof of concept worked well with libffi built as a shared library, so now I'm working on building libffi directly into the backend of Euphoria. Then we'll be off and running with full support for Raylib!
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Compiler...from scratch
I did some more looking around, and I think you should take a look into libffi. It has most of the dirty work done for you, and you can hook it up with your language.
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kivy-ios / initial build with toolchain keeps getting stuck here (checking for suffix of executables...) after updating macOS and xcode... any thoughts? Thanks!
The last line of output is from configure and appears to be during building of libffi recipe - apparently executing the generate-darwin-source-and-headers.py from libffi repository
- Libffi - A portable foreign-function interface library.
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Raspberry Pi 3 Model B+ Guide from Scratch for Home Assistant Core
ok... I did my python 3.9 upgrade on my Rpi3b+ ... here's what I learned: 1) If you're running Debian Buster, you really probably want to upgrade to Bullseye first https://www.tomshardware.com/how-to/upgrade-raspberry-pi-os-to-bullseye-from-buster If you stay on buster, then homeassistant won't start until you build libffi-3.3 as below: 2021-12-29 16:51:14 ERROR (MainThread) [homeassistant.auth.providers] Unable to load auth provider homeassistant: libffi.so.7: cannot open shared object file: No such file or directory https://community.home-assistant.io/t/python-install-on-raspberry-pi-os/241558/12 wget "https://github.com/libffi/libffi/releases/download/v3.3/libffi-3.3.tar.gz" tar zxf libffi-3.3.tar.gz cd libffi-3.3 ./configure sudo make install sudo ldconfig Other than that, it was pretty straightforward. Do be aware that after you redeploy home assistant, a LOT of stuff is happening in the background and it will take a while before everything comes up. Don't freak out. Don't reboot or power cycle. Instead, do this: tail -f /var/log/homeassistant/home-assistant.log and watch the updates
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Installing Python in Ubuntu 20.04
build-essential installs everything required for compiling basic software written in C and C++ in this case Python. Read more... zlib1g-devis the development package of the compression library that implements the deflate compression methods and essential in Python's installation and other installations as well. Read more... libncurses5-dev is the development package for the curses library that provides a terminal-independent screen-painting and keyboard-handling tool. Read more... libgdbm-dev is a development library for GDBM whose functionality is to store key/data pairs in a data file. Read more... libnss3-dev Read more... libssl-dev Read more... libreadline-dev Read more... libffi-dev Read more... libsqlite3-dev Read more... wget Read more... libbz2-dev Read more... In the next step we can either manually download the latest release of Python from the Python Official Release page or use wget which we have installed in previous command. To download using wget, paste the following command in the terminal to download Python in the computer.
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buildozer -v android debug error
[INFO]: -> running basename https://github.com/libffi/libffi/archive/v3.3.tar.gz
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Part 1. Small Intro to SWIG
libffi C library
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Julia ❤ Python
If you have read my earlier posts you know I love multilingual programming. One important part of multilingual programming is how to interface one language with other. Typically this is called FFI or foreign function interface. At the lowest level often there are libraries (aka bindings) to talk across languages or across implementations of same language e.g. libffi. In my undergrad we did a group project where we created language bindings to separate algorithmic part written in python and opencv and X11 logic in c.
python-for-android
- Error compiling kivy based app to APK using Buildozer
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Error during build process on Buildozer + kivy. I'm tired). 2 days of struggle.
With that said the error is probably caused by something else, if you can't get it working post the complete build output with log_level=2. It could be an issue with your Java environment as per this issue https://github.com/kivy/python-for-android/issues/2790
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Recipes in kivy
I assume you are referring to Android here... The existing p4a build recipes are located in the pythonforandroid/recipes directory, you need make a grpc directory in this format.
- Error during compilation, before was working :(
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App runs but crashes on calling on openai function , llama_index , langchain
You can't use any random library on Android, you are limited to pure python code and libraries with a build recipe for cross compilation. I am not familiar with the packages you try to use here, but probably there are no existing recipes and you'll need to provide that yourself to get it working (which, if I had to guess, is not going to be easy)
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Compile iOS app on Mac after development on Windows
Build recipes are used to compile libraries for use on mobile platforms, see kivy-ios recipes directory and the corresponding python-for-android recipes directory. The quality varies here, some recipes may use outdated versions or provide limited library functionality. If you develop on Windows, you can install and use pretty much any Python package, but on mobile platforms, you are limited to those that are either 100% pure python, or have a build recipe.
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Anyone succeeded in kivy+ocr?
figure out a recipe for buildozer. imo harder, as compiling is hell/we aren't trained to compile as python programmers. if you have C/C++ experience and have used make/clang before this route is for you. https://github.com/kivy/python-for-android/blob/develop/doc/source/recipes.rst
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Budozer not find swagger-client that satisfies
This should work as long as they are either pure python modules, or have a matching build recipe in python-for-android
- AndroidX Issue
- Building With Scipy
What are some alternatives?
SWIG - SWIG is a software development tool that connects programs written in C and C++ with a variety of high-level programming languages.
buildozer - Generic Python packager for Android and iOS
djinni
KivyMD - KivyMD is a collection of Material Design compliant widgets for use with Kivy, a framework for cross-platform, touch-enabled graphical applications. https://youtube.com/c/KivyMD https://twitter.com/KivyMD https://habr.com/ru/users/kivymd https://stackoverflow.com/tags/kivymd
V8 - The official mirror of the V8 Git repository
KivMob - AdMob support for Kivy
CppSharp - Tools and libraries to glue C/C++ APIs to high-level languages
PlaystoreDownloader - A command line tool to download Android applications directly from the Google Play Store by specifying their package name (an initial one-time configuration is required)
Lua - Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.
gplaydl - Command Line Google Play APK downloader. Download APK files to your PC directly from Google Play Store.
nelson - The Nelson Programming Language
kivy - Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS