Bugspots

A Python based implementation of the bug prediction algorithm proposed by Google: Bug Prediction at Google

Currently supports : Git and Mercurial repositories

Installation

$ pip install bug-spots

Example usage

Move to the repository directory

    niedbalski@machine:~/src/rabbitmq-server$ bugspots .

    Scanning file:/home/aktive/src/rabbitmq-server repo, branch:default
    Found 16 bugfix commits on the last 30 days

    Fixes
    --------------------------------------------------------------------------------
      -Oops. This was part of an (early, wrong) attempt at bug 25474 which got committed as part of f1317bb80df9 (bug 25358) by mistake. Remove.
      -merge bug19375 into default
      -merge bug25488 into default
      -Merge bug25495
      -Merge bug25497
      -Merged bug25474 and bug25486
      -Merged bug25499
      -merge bug25384 into default
      -merge bug23378 into default
      -Merge bug25461
      -merge bug23749 into default
      -Merge bug24114 into default
      -Merged bug25491 into default
      -Merged bug25499 into default
      -merge bug25487 into default
      -Merge bug25519.

    Hotspots
    --------------------------------------------------------------------------------
      0.23 = src/rabbit_node_monitor.erl
      0.15 = src/rabbit_channel.erl
      0.08 = src/rabbit_tests.erl
      0.08 = src/rabbit_amqqueue_process.erl
      0.08 = src/rabbit_exchange.erl

Needs upgraded VCS library.

Saw the following error when running it after installing through pip:

$ bugspots --branch master --days 30 --limit 10
Traceback (most recent call last):
  File "/Users/mferrante/code/dxansible/bugspot_env/bin/bugspots", line 9, in <module>
    load_entry_point('bug-spots==0.2.4', 'console_scripts', 'bugspots')()
  File "/Users/mferrante/code/dxansible/bugspot_env/lib/python2.7/site-packages/bugspots/__init__.py", line 157, in main
    print_code_hotspots(options)
  File "/Users/mferrante/code/dxansible/bugspot_env/lib/python2.7/site-packages/bugspots/__init__.py", line 123, in print_code_hotspots
    for factor, filename in get_code_hotspots(options):
  File "/Users/mferrante/code/dxansible/bugspot_env/lib/python2.7/site-packages/bugspots/__init__.py", line 78, in get_code_hotspots
    commits = get_fix_commits(client, options.branch, options.days)
  File "/Users/mferrante/code/dxansible/bugspot_env/lib/python2.7/site-packages/bugspots/__init__.py", line 69, in get_fix_commits
    for change in changelogs(days_ago):
  File "/Users/mferrante/code/dxansible/bugspot_env/lib/python2.7/site-packages/bugspots/__init__.py", line 58, in changelogs
    changelogs = [change for change in client.get_changesets(client.repo)]
  File "/Users/mferrante/code/dxansible/bugspot_env/lib/python2.7/site-packages/vcs/cli.py", line 409, in get_changesets
    if not options['all']:
KeyError: 'all'

I upgraded the vcs install with:

$ pip install git+git://github.com/codeinn/vcs.git@master#vcs --upgrade

And it worked then

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Needs upgraded VCS library.

Error in computing the total number of seconds

Python 3 support

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