pip install flask-transfer==0.1.0

Validate and process file uploads in Flask easily

Source
Among fairly niche packages on PyPI.
Over 205 downloads in the last 90 days.

Commonly used with flask-transfer

Based on how often these packages appear together in public requirements.txt files on GitHub.

Flask-Sessions

Adds server-side session support to your Flask application

Flask-Redistore

Adds Redis support to your Flask applications

Flask-Router

Tuned flask's URL routing library

Flask-JinjaHelpers

Various helpers for Flask based Jinja2 templates.

Flask-RestPoints

Adds some common health check endpoints (ping, time, status)

Flask-CDN-NG

Serve the static files in your Flask app from a CDN.

Flask-QueryInspect

Flask extension to provide metrics on SQL queries per request.

flask_markdown2

A flask extension that adds a {% markdown %} tag to templates.

Flask-DBMigrate

Database schema change management for Flask\SQLAlchemy

Flask-GeoIP

Flask-GeoIP ------------- Simple Flask extension for pygeoip.

Flask-HttpCaching

flask http caching

flask-transfer

Validate and process file uploads in Flask easily

Flask-MetaRoute

Extra routing capabilities for Flask

Flask-Locale

Adds i18n/l10n support to Flask applications easily. Uses CSV files(or database) to load translations.

Flask-Mime

Provides MIME type based request dispatching mechanism.

flask-io

Flask-IO is a library for parsing Flask request arguments into parameters and for serialization of complex objects into Flask response.

Flask-Debug-API

API Browser for Flask-DebugToolbar

CoffeeScript

A bridge to the JS CoffeeScript compiler

Flask-Redis-Helper

Redis support for Flask without breaking PyCharm inspections.

Version usage of flask-transfer

Proportion of downloaded versions in the last 3 months (only versions over 1%).

0.1.0

55.12%

0.0.1

44.88%