pyrox.dev
1#!/usr/bin/env nix-shell
2#!nix-shell -i python -p pythonFull pythonPackages.requests pythonPackages.pyquery pythonPackages.click
3
4# To use, just execute this script with --help to display help.
5
6import subprocess
7import json
8import sys
9
10import click
11import requests
12from pyquery import PyQuery as pq
13
14
15maintainers_json = subprocess.check_output([
16 'nix-instantiate', '-E', 'import ./lib/maintainers.nix {}', '--eval', '--json'
17])
18maintainers = json.loads(maintainers_json)
19MAINTAINERS = {v: k for k, v in maintainers.iteritems()}
20
21
22def get_response_text(url):
23 return pq(requests.get(url).text) # IO
24
25EVAL_FILE = {
26 'nixos': 'nixos/release.nix',
27 'nixpkgs': 'pkgs/top-level/release.nix',
28}
29
30
31def get_maintainers(attr_name):
32 try:
33 nixname = attr_name.split('.')
34 meta_json = subprocess.check_output([
35 'nix-instantiate',
36 '--eval',
37 '--strict',
38 '-A',
39 '.'.join(nixname[1:]) + '.meta',
40 EVAL_FILE[nixname[0]],
41 '--json'])
42 meta = json.loads(meta_json)
43 if meta.get('maintainers'):
44 return [MAINTAINERS[name] for name in meta['maintainers'] if MAINTAINERS.get(name)]
45 except:
46 return []
47
48
49@click.command()
50@click.option(
51 '--jobset',
52 default="nixos/release-17.09",
53 help='Hydra project like nixos/release-17.09')
54def cli(jobset):
55 """
56 Given a Hydra project, inspect latest evaluation
57 and print a summary of failed builds
58 """
59
60 url = "http://hydra.nixos.org/jobset/{}".format(jobset)
61
62 # get the last evaluation
63 click.echo(click.style(
64 'Getting latest evaluation for {}'.format(url), fg='green'))
65 d = get_response_text(url)
66 evaluations = d('#tabs-evaluations').find('a[class="row-link"]')
67 latest_eval_url = evaluations[0].get('href')
68
69 # parse last evaluation page
70 click.echo(click.style(
71 'Parsing evaluation {}'.format(latest_eval_url), fg='green'))
72 d = get_response_text(latest_eval_url + '?full=1')
73
74 # TODO: aborted evaluations
75 # TODO: dependency failed without propagated builds
76 for tr in d('img[alt="Failed"]').parents('tr'):
77 a = pq(tr)('a')[1]
78 print("- [ ] [{}]({})".format(a.text, a.get('href')))
79
80 sys.stdout.flush()
81
82 maintainers = get_maintainers(a.text)
83 if maintainers:
84 print(" - maintainers: {}".format(", ".join(map(lambda u: '@' + u, maintainers))))
85 # TODO: print last three persons that touched this file
86 # TODO: pinpoint the diff that broke this build, or maybe it's transient or maybe it never worked?
87
88 sys.stdout.flush()
89
90
91if __name__ == "__main__":
92 try:
93 cli()
94 except:
95 import pdb;pdb.post_mortem()