How to install a specific version of a package with pip?

Question:

I have set up a virtual environment on my server as well as in my local dev environment.

On the server, the package django_modeltranslation-0.4.0_beta2 works perfectly fine. However, on my local machine, django_modeltranslation-0.5.0-alpha doesn’t seem to work well at all.

I usually simply install it in a virtual environment like this:

$ source bin/active
(env)$ pip install django_modeltranslation

This gets the latest version though, which now for the first time causes issues working with latest version.

So I have uninstalled the version 5 alpha like this:

(env)$ pip uninstall django_modeltranslation

I tried this with no success:

(env)$ pip install django_modeltranslation-0.4.0_beta2
Downloading/unpacking django-modeltranslation-0.4.0-beta2
  Could not find any downloads that satisfy the requirement django-modeltranslation-0.4.0-beta2
No distributions at all found for django-modeltranslation-0.4.0-beta2

How can I get the working version 0.4.0 Beta again?

Asked By: Houman

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Answers:

Use ==:

pip install django_modeltranslation==0.4.0-beta2
Answered By: Martijn Pieters