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Flask v1.0

A patch of the v1.0 2019 version of Flask, with working dependency ranges.

Why?

As of 12th November 2025, Flask v1.0.x unfortunately doesn't set any upper bounds for its dependencies. This means that simply running pip install flask<1.0 will pull down the latest version of all of its dependencies. The latest versions of a couple of these packages now have significant changes which break Flask v1.0's usage of them.

What?

I tested Flask v1.0.4 with the Python versions 3.7 and 3.14.

Only the following packages needed constraining:

  • Werkzeug<3
  • Jinja2<3.1
  • itsdangerous< 2.1

Metadata

Release files for Flask-v1.0 1.0.5

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Source distribution for Flask-v1.0 1.0.5
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Table of built distributions (wheels) for Flask-v1.0 1.0.5
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flask_v1_0-1.0.5-py2.py3-none-any.whl Python 2, Python 3 none any Details

Total release size: 715.2 kB

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Release files / flask_v1_0-1.0.5-py2.py3-none-any.whl

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