Flask¶

Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. This module includes the Flask extensions: Flask-Cors

homepage: https://www.palletsprojects.com/p/flask/

Available installations¶

Flask version	Supported CPU targets	Supported GPU targets	EESSI version	Module
2.2.3	`generic`: `aarch64`, `x86_64` Arm: `a64fx`, `neoverse_n1`, `neoverse_v1`, `nvidia/grace` AMD: `zen2`, `zen3`, `zen4` Intel: `haswell`, `skylake_avx512`, `sapphirerapids`, `icelake`, `cascadelake`	(none)	2023.06	`Flask/2.2.3-GCCcore-12.2.0`
2.3.3	`generic`: `aarch64`, `x86_64` Arm: `a64fx`, `neoverse_n1`, `neoverse_v1`, `nvidia/grace` AMD: `zen2`, `zen3`, `zen4` Intel: `haswell`, `skylake_avx512`, `sapphirerapids`, `icelake`, `cascadelake`	(none)	2023.06	`Flask/2.3.3-GCCcore-12.3.0`
3.0.0	`generic`: `aarch64`, `x86_64` Arm: `a64fx`, `neoverse_n1`, `neoverse_v1`, `nvidia/grace` AMD: `zen2`, `zen3`, `zen4` Intel: `haswell`, `skylake_avx512`, `sapphirerapids`, `icelake`, `cascadelake`	(none)	2023.06	`Flask/3.0.0-GCCcore-13.2.0`
3.0.3	`generic`: `aarch64`, `x86_64` Arm: `a64fx`, `neoverse_n1`, `neoverse_v1`, `nvidia/grace` AMD: `zen2`, `zen3`, `zen4` Intel: `haswell`, `skylake_avx512`, `sapphirerapids`, `icelake`, `cascadelake`	(none)	2025.06	`Flask/3.0.3-GCCcore-13.3.0`
3.1.1	`generic`: `aarch64`, `x86_64` Arm: `a64fx`, `neoverse_n1`, `neoverse_v1`, `nvidia/grace` AMD: `zen2`, `zen3`, `zen4` Intel: `haswell`, `skylake_avx512`, `sapphirerapids`, `icelake`, `cascadelake`	(none)	2025.06	`Flask/3.1.1-GCCcore-14.2.0`

Extensions¶

Overview of extensions included in Flask installations

asgiref¶

`asgiref` version	Flask modules that include it
3.6.0	`Flask/2.2.3-GCCcore-12.2.0`
3.7.2	`Flask/2.3.3-GCCcore-12.3.0` `Flask/3.0.0-GCCcore-13.2.0` `Flask/3.0.3-GCCcore-13.3.0`
3.9.1	`Flask/3.1.1-GCCcore-14.2.0`

blinker¶

`blinker` version	Flask modules that include it
1.6.2	`Flask/2.3.3-GCCcore-12.3.0`
1.7.0	`Flask/3.0.0-GCCcore-13.2.0`
1.8.2	`Flask/3.0.3-GCCcore-13.3.0`
1.9.0	`Flask/3.1.1-GCCcore-14.2.0`

cachelib¶

`cachelib` version	Flask modules that include it
0.10.2	`Flask/2.2.3-GCCcore-12.2.0` `Flask/2.3.3-GCCcore-12.3.0` `Flask/3.0.0-GCCcore-13.2.0`
0.13.0	`Flask/3.0.3-GCCcore-13.3.0` `Flask/3.1.1-GCCcore-14.2.0`

Flask¶

`Flask` version	Flask modules that include it
2.2.3	`Flask/2.2.3-GCCcore-12.2.0`

flask¶

`flask` version	Flask modules that include it
2.3.3	`Flask/2.3.3-GCCcore-12.3.0`
3.0.0	`Flask/3.0.0-GCCcore-13.2.0`
3.0.3	`Flask/3.0.3-GCCcore-13.3.0`
3.1.1	`Flask/3.1.1-GCCcore-14.2.0`

Flask-Cors¶

`Flask-Cors` version	Flask modules that include it
3.0.10	`Flask/2.2.3-GCCcore-12.2.0`
4.0.0	`Flask/2.3.3-GCCcore-12.3.0` `Flask/3.0.0-GCCcore-13.2.0`
5.0.0	`Flask/3.0.3-GCCcore-13.3.0`
6.0.1	`Flask/3.1.1-GCCcore-14.2.0`

Flask-Session¶

`Flask-Session` version	Flask modules that include it
0.4.0	`Flask/2.2.3-GCCcore-12.2.0`
0.5.0	`Flask/2.3.3-GCCcore-12.3.0` `Flask/3.0.0-GCCcore-13.2.0`
0.8.0	`Flask/3.0.3-GCCcore-13.3.0` `Flask/3.1.1-GCCcore-14.2.0`

itsdangerous¶

`itsdangerous` version	Flask modules that include it
2.1.2	`Flask/2.2.3-GCCcore-12.2.0` `Flask/2.3.3-GCCcore-12.3.0` `Flask/3.0.0-GCCcore-13.2.0`
2.2.0	`Flask/3.0.3-GCCcore-13.3.0` `Flask/3.1.1-GCCcore-14.2.0`

msgspec¶

`msgspec` version	Flask modules that include it
0.18.6	`Flask/3.0.3-GCCcore-13.3.0`
0.19.0	`Flask/3.1.1-GCCcore-14.2.0`

Werkzeug¶

`Werkzeug` version	Flask modules that include it
2.2.3	`Flask/2.2.3-GCCcore-12.2.0`

werkzeug¶

`werkzeug` version	Flask modules that include it
2.3.7	`Flask/2.3.3-GCCcore-12.3.0`
3.0.1	`Flask/3.0.0-GCCcore-13.2.0`
3.0.4	`Flask/3.0.3-GCCcore-13.3.0`
3.1.3	`Flask/3.1.1-GCCcore-14.2.0`