KeyError in github_buildbot.py on commits by non-Github users

[tardyp]

This ticket is a migrated Trac ticket 3228

People contributed to the original ticket: buildbot.net@..., @djmitche
Ticket created on: Mar 12 2015
Ticket last modified on: Mar 17 2015

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When a commit by an user not known to github (e.g. [[this|https://github.com/The-Compiler/qutebrowser/commit/4fa64350ca26a79569a000312740c57adc660e90]]) is pushed, github_buildbot.py has a [[KeyError]] when trying to get the username of the change:

Traceback (most recent call last):
File "/usr/local/bin/github_buildbot.py", line 138, in render_POST
self.process_change(payload, user, repo, repo_url, project, request)
File "/usr/local/bin/github_buildbot.py", line 166, in process_change
change[[change['author']['email'|'author']['username'],]])
[[KeyError]]: 'username'

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[seankelly]

This is in contrib, but was fixed in #1801.