Install or update pip dependency and save it to requirements.txt
pipup - Better requirements.txt management
So why pipup you ask? It's a silly small utility, but it solves some real issues I have on a daily basis. The 3 most common things I need to do with pip are:
- See if a package is installed and, if so, which version is installed
- Install a package and then save the installed version info to requirements.txt
- Upgrade a package and change the entry in requirements.txt
Sadly, pip doesn't help us here so this is why I've created pipup. Running just
pipup <package name> or
pipup -U <package name> just does what I want. No
more forgetting to include or update a requirements.txt entry for me!
pipup is installed via pip:
pip install pipup
Using pipup is easy:
$ pipup Django
If Django is already installed, pipup will display the current version for you like this:
$ pipup Django Looking for 'Django' Already installed: Django==1.9.7 No changes to save, skipping save.
If Django isn't installed, pipup will install it and save the pinned version of the package to the requirements.txt in your current directory:
$ pipup Django Looking for 'Django' Installing 'Django'... Django==1.9.7 Changes saved to /Users/frank/work/src/pipup/requirements.txt
If we have an older version of Django installed, say
Django==1.8.4 we can use
-U option to upgrade Django and update our requirements:
$ pipup -U Django Looking for 'Django' Already installed: Django==1.8.4 Upgrading: Django==1.9.7 Changes saved to /Users/frank/work/src/pipup/requirements.txt
`--upgrade` or `-U` install or upgrade the requested package(s) `--skip` or `-s` install or upgrade, but don't save the changes into your requirements file `--requirements` or `-r` path to the requirements file you wish to update
NOTE: Originally we tried to be smart and walk your file system backwards until we found a requirements.txt, but this can easily write the pip changes to a random requirements.txt on your system if you use a certain, fairly common, directory structure for your Python projects. To avoid this confusion, we're going to be explicit and require that you run pipup from the top of a project or specify the requirements path directly yourself.
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