python-for-android
SQLAlchemy
python-for-android | SQLAlchemy | |
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55 | 124 | |
8,056 | 8,841 | |
1.1% | 2.6% | |
8.0 | 9.7 | |
3 days ago | 5 days ago | |
Python | Python | |
MIT License | MIT License |
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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 The quality varies here, some recipes may use outdated versions or provide limited library functionality.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
SQLAlchemy
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Python: A SQLAlchemy Wrapper Component That Works With Both Flask and FastAPI Frameworks
In SQLAlchemy, models representing database tables typically subclass sqlalchemy.orm.DeclarativeBase (this class supersedes the sqlalchemy.orm.declarative_base function). Accordingly, the abstract base class in this database wrapper component is a sqlalchemy.orm.DeclarativeBase subclass, accompanied by another custom base class providing additional dunder methods.
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Xz/liblzma: Bash-stage Obfuscation Explained
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can we start considering binary files committed to a repo, even as data for tests, to be a huge red flag, and that the binary files themselves should instead be generated at testing time by source code that's stated as reviewable cleartext. This would make it much harder (though of course we can never really say "impossible") to embed a substantial payload in this way.
when binary files are part of a test suite, they are typically trying to illustrate some element of the program being tested, in this case a file that was incorrectly xz-encoded. Binary files like these weren't typed by hand, they will always ultimately come from something plaintext source.
Here's an example! My own SQLAlchemy repository has a few binary files in it! https://github.com/sqlalchemy/sqlalchemy/blob/main/test/bina... oh noes. Why are those files there? well in this case I just wanted to test that I can send large binary BLOBs into the database driver and I was lazy. This is actually pretty dumb, the two binary files here add 35K of useless crap to the source, and I could just as easily generate this binary data on the fly using a two liner that spits out random bytes. Anyone could see that two liner and know that it isn't embedding a malicious payload.
If I wanted to generate a poorly formed .xz file, I'd illustrate source code that generates random data, runs it through .xz, then applies "corruption" to it, like zeroing out the high bit of every byte. The process by which this occurs would be all reviewable in source code.
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Introducing Flama for Robust Machine Learning APIs
Besides, flama also provides support for SQL databases via SQLAlchemy, an SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL. Finally, flama also provides support for HTTP clients to perform requests via httpx, a next generation HTTP client for Python.
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Alembic with Async SQLAlchemy
Alembic is a lightweight database migration tool for usage with SQLAlchemy. The term migration can be a little misleading, because in this context it doesn't mean to migrate to a different database in the sense of using a different version or a different type of database. In this context, migration refers to changes to the database schema: add a new column to a table, modify the type of an existing column, create a new index, etc..
- Imperative vs. Declarative mapping style in Domain Driven Design project
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Unlocking efficient authZ with Cerbos’ Query Plan
To simplify this process, Cerbos developers have come up with adapters for popular Object-Relational Mapping (ORM) frameworks. You can check out for more details on the query plan repo - which also contains adapters for Prisma and SQLAlchemy - as well as a fully functioning application using Mongoose as its ORM.
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Python: Just Write SQL
That above pattern is one I've seen people do even recently, using the "select().c" attribute which from very early versions of SQLAlchemy is defined as "the columns from a subquery of the SELECT" ; this usage began raising deprecation warnings in 1.4 and is fully removed in 2.0 as it was a remnant of a much earlier version of SQLAlchemy. it will do exactly as you say, "make a subquery for each filter condition".
the moment you see SQLAlchemy doing something you see that seems "asinine", send an example to https://github.com/sqlalchemy/sqlalchemy/discussions and I will clarify what's going on, correct the usage so that the query you have is what you expect, and quite often we will add new warnings or documentation when we see people doing things we didn't anticipate.
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A steering council note about making the global
The creator and lead maintainer of SQLAlchemy, one of the most popular and most used Python library for accessing databases (who doesn't?) gave a rather interesting response to PEP703.
If this doesn't ring any alarm bells I don't know what will.
> Basically for the moment the GIL-less idea would likely be burdensome for us and the fact that it's only an "option" seems to strongly imply major compatibility issues that we would not prefer.
https://github.com/sqlalchemy/sqlalchemy/discussions/10002#d...
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More public SQL-queryable databases?
Recently I discovered BigQuery public datasets - just over 200 datasets available for directly querying via SQL. I think this is a great thing! I can connect these direct to an analytics platform (we use Apache Superset which uses Python SQLAlchemy under the hood) for example and just start dashboarding.
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How useful is Python in accounting and auditing?
When using python with sql databases like postgres or mariadb or SQLite you would use SQLAlchemy or another ORM of if you're feeling brave, you code it by hand. With ORMs you provide the address of your database and it connects for you, letting you use abstractions instead of writing all the SQL yourself (kind of analogous to using vlookups or index match instead of manually entering data).
What are some alternatives?
buildozer - Generic Python packager for Android and iOS
tortoise-orm - Familiar asyncio ORM for python, built with relations in mind
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
PonyORM - Pony Object Relational Mapper
KivMob - AdMob support for Kivy
Peewee - a small, expressive orm -- supports postgresql, mysql, sqlite and cockroachdb
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)
Orator - The Orator ORM provides a simple yet beautiful ActiveRecord implementation.
gplaydl - Command Line Google Play APK downloader. Download APK files to your PC directly from Google Play Store.
prisma-client-py - Prisma Client Python is an auto-generated and fully type-safe database client designed for ease of use
kivy - Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS
pyDAL - A pure Python Database Abstraction Layer