flask-backbone
flask-sqlalchemy
flask-backbone | flask-sqlalchemy | |
---|---|---|
1 | 11 | |
63 | 4,154 | |
- | 0.4% | |
2.7 | 7.9 | |
about 1 year ago | 3 days ago | |
Python | Python | |
MIT License | BSD 3-clause "New" or "Revised" License |
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flask-backbone
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Flask Boilerplate and Mini Guide to Flask
Source code: https://github.com/abstractkitchen/flask-backbone
flask-sqlalchemy
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Voting webapp saves votes locally, but not on server
You should probably use a database for this, using something like sqlite a single file "database" is probably the quickest way to get started, I recommend you use it with Flask-SQLAlchemy which makes working with the db easy as pie.
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How to build an API using Flask
Flask-SQLAlchemy: An extension that integrates SQLAlchemy with Flask. You can install it using pip install flask-sqlalchemy.
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How to dynamically generate graphics and PDFs using Python an jinja
flask-sqlalchemy: ORM for database access
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pagination in flask
I've made several runs at stripping the essential paginating functionality of flask-sqlalchemy for use with things like lists. That's where I'd start.
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Connect Flask APP to Two Already Existing Tables in two distinct databases
You can either use an ORM, which might be sqlalchemy, possibly wrapped up as a flask plugin https://flask-sqlalchemy.palletsprojects.com/ or more directly: https://www.sqlalchemy.org/
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Methods for dynamically loading test db data
You can learn more about this approach and see an example is this Flask-SQLAlchemy PR.
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Usage of Restful API + Database with Flask
Flask SQL Alchemy
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I built an Image Search Engine using OpenAI CLIP and Images from Wikimedia
I used for this project Flask and OpenAI CLIP. For the vector search I used approximate nearest neighbors provided by spotify/annoy. I used Flask-SQLAlchemy with GeoAlchemy2 to query GPS coordinates. The embedding was done using UMAP using the CLIP image vectors.
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I uninstalled an reinstalled sqalalchemy to get the latest version. Now my flask app won't work.
This appears to be this: https://github.com/pallets/flask-sqlalchemy/issues/910
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Problem with circular imports and app context
from sqlalchemy.engine.reflection import Inspector from sqlalchemy.schema import DropConstraint, DropTable, MetaData, Table from extensions import db # from dotmap import DotMap def try_add(object): """ Try to add the column 'object' to its table in the database and return it. """ try: db.session.add(object) db.session.commit() return object except Exception: db.session.rollback() raise def drop_all_cascade(): """(On a live db) drops all foreign key constraints before dropping all tables. Workaround for SQLAlchemy not doing DROP ## CASCADE for drop_all() (https://github.com/pallets/flask-sqlalchemy/issues/722) """ con = db.engine.connect() trans = con.begin() inspector = Inspector.from_engine(db.engine) # We need to re-create a minimal metadata with only the required things to # successfully emit drop constraints and tables commands for postgres # (based on the actual schema of the running instance) meta = MetaData() tables = [] all_fkeys = [] for table_name in inspector.get_table_names(): fkeys = [] for fkey in inspector.get_foreign_keys(table_name): if not fkey["name"]: continue fkeys.append(db.ForeignKeyConstraint((), (), name=fkey["name"])) tables.append(Table(table_name, meta, *fkeys)) all_fkeys.extend(fkeys) for fkey in all_fkeys: con.execute(DropConstraint(fkey)) for table in tables: con.execute(DropTable(table)) trans.commit()
What are some alternatives?
pyramid-cookiecutter-starter - A Cookiecutter (project template) for creating a Pyramid starter project with choices for template language (Jinja2, Chameleon, or Mako), persistent backend (none, SQLAlchemy with SQLite, or ZODB), and mapping of URLs to routes (URL dispatch or traversal)
flask-sqlacodegen - :sake: Automatic model code generator for SQLAlchemy with Flask support
MasquerBot - A TelegramBot for true paranoids.
sqlalchemy-hana - SQLAlchemy Dialect for SAP HANA
Flask-Tortoise - Adds asynchronous Tortoise ORM(Like Django-ORM) support for flask app.
sqlalchemy-filters-plus - Lightweight library for providing filtering mechanism for your APIs using SQLAlchemy
safrs - SqlAlchemy Flask-Restful Swagger Json:API OpenAPI
geoalchemy2 - Geospatial extension to SQLAlchemy
Restaurant_Review_Site - A restaurant review website where users can add, review and read other reviews as well as aggregate scores for local restaurants. Mainly intended to showcase Python, Flask, JavaScript and Jinja. Also includes an automated testing module, using Selenium to automate website testing.
flask-file-upload - Easy file uploads for Flask.
flask-sqlalchemy - Adds SQLAlchemy support to Flask [Moved to: https://github.com/pallets/flask-sqlalchemy]
graphql-sqlalchemy - Generate GraphQL Schemas from your SQLAlchemy models