Ensures that the PyPI bus factor for a package is above a certain threshold.
Project description
“With great power comes great responsibility” - Uncle Ben
Bus Factor
At the 2009 Plone Conference the quote “we usually think of buses as things that kill programmers” was overheard. A few days later, at the sprint, it was noticed that a few core packages for Plone 4.0 could only be released by one person. This package is designed to combat this by ensuring that a given package has more than a certain number of authorised admins on PyPI.
Syntax
This creates a console script called parker as follows:
parker [--factor=2] [--versions-cfg <configfile>] [--repository=http://pypi.python.org/pypi] [packagename(s)]
- –factor:
(also -f) This determines the minimum number of people that have access before an error is raised. The default is 2.
- –versions-cfg:
(also -c) If this option is provided a zc.buildout versions file will be parsed for the package names
- –repository:
(also -r) A repository URL that follows the baroque lookup logic assumptions
- packagename(s):
Required if –versions-cfg isn’t specified. Contains one or more packages to check, space separated.
Baroque Lookup Logic
Unfortunately, the API doesn’t allow us to find what users have access to a package, so we need to screen scrape. We expect HTML of the following format:
<li> <strong>Package Index Owner:</strong> <span>deo, smcmahon, MatthewWilkes</span> </li> <li> <strong>Package Index Maintainer:</strong> <span>JoeBob</span> </li>
That is, a list element that contains Package Index <rolename>: and a comma separated list, once the tags have been removed.
First, the li tags are extracted
(?<=li\>)[\S\s]*?(?=\<\/li\>)
Then, the role name is extracted:
"Package Index ([a-zA-Z]*)"
and the names are found with:
set(a[0] for a in re.compile("([a-zA-Z]+,?)+?").findall(li) if a[0] not in ['Package','Index',rolename,'span','strong'])
Yes, it is ugly. I know. I wish there was an API for this, or that the markup was easily scrape-able. For now, this will do.
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