src/tools/publish_toolstate.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 # Copyright 2017 The Rust Project Developers. See the COPYRIGHT
   5 # file at the top-level directory of this distribution and at
   6 # http://rust-lang.org/COPYRIGHT.
   7 #
   8 # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   9 # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
  10 # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
  11 # option. This file may not be copied, modified, or distributed
  12 # except according to those terms.
  13
  14 import sys
  15 import re
  16 import json
  17 import copy
  18 import datetime
  19 import collections
  20 import textwrap
  21 try:
  22     import urllib2
  23 except ImportError:
  24     import urllib.request as urllib2
  25
  26 # List of people to ping when the status of a tool changed.
  27 MAINTAINERS = {
  28     'miri': '@oli-obk @RalfJung @eddyb',
  29     'clippy-driver': '@Manishearth @llogiq @mcarton @oli-obk',
  30     'rls': '@nrc',
  31     'rustfmt': '@nrc',
  32     'book': '@carols10cents @steveklabnik',
  33     'nomicon': '@frewsxcv @Gankro',
  34     'reference': '@steveklabnik @Havvy @matthewjasper @alercah',
  35     'rust-by-example': '@steveklabnik @marioidival @projektir',
  36 }
  37
  38
  39 def read_current_status(current_commit, path):
  40     '''Reads build status of `current_commit` from content of `history/*.tsv`
  41     '''
  42     with open(path, 'rU') as f:
  43         for line in f:
  44             (commit, status) = line.split('\t', 1)
  45             if commit == current_commit:
  46                 return json.loads(status)
  47     return {}
  48
  49
  50 def update_latest(
  51     current_commit,
  52     relevant_pr_number,
  53     relevant_pr_url,
  54     current_datetime
  55 ):
  56     '''Updates `_data/latest.json` to match build result of the given commit.
  57     '''
  58     with open('_data/latest.json', 'rb+') as f:
  59         latest = json.load(f, object_pairs_hook=collections.OrderedDict)
  60
  61         current_status = {
  62             os: read_current_status(current_commit, 'history/' + os + '.tsv')
  63             for os in ['windows', 'linux']
  64         }
  65
  66         slug = 'rust-lang/rust'
  67         message = textwrap.dedent('''\
  68             📣 Toolstate changed by {}!
  69
  70             Tested on commit {}@{}.
  71             Direct link to PR: <{}>
  72
  73         ''').format(relevant_pr_number, slug, current_commit, relevant_pr_url)
  74         anything_changed = False
  75         for status in latest:
  76             tool = status['tool']
  77             changed = False
  78
  79             for os, s in current_status.items():
  80                 old = status[os]
  81                 new = s.get(tool, old)
  82                 status[os] = new
  83                 if new > old:
  84                     changed = True
  85                     message += '🎉 {} on {}: {} → {}.\n' \
  86                         .format(tool, os, old, new)
  87                 elif new < old:
  88                     changed = True
  89                     message += '💔 {} on {}: {} → {} (cc {}, @rust-lang/infra).\n' \
  90                         .format(tool, os, old, new, MAINTAINERS.get(tool))
  91
  92             if changed:
  93                 status['commit'] = current_commit
  94                 status['datetime'] = current_datetime
  95                 anything_changed = True
  96
  97         if not anything_changed:
  98             return ''
  99
 100         f.seek(0)
 101         f.truncate(0)
 102         json.dump(latest, f, indent=4, separators=(',', ': '))
 103         return message
 104
 105
 106 if __name__ == '__main__':
 107     cur_commit = sys.argv[1]
 108     cur_datetime = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
 109     cur_commit_msg = sys.argv[2]
 110     save_message_to_path = sys.argv[3]
 111     github_token = sys.argv[4]
 112
 113     relevant_pr_match = re.search('#([0-9]+)', cur_commit_msg)
 114     if relevant_pr_match:
 115         number = relevant_pr_match.group(1)
 116         relevant_pr_number = 'rust-lang/rust#' + number
 117         relevant_pr_url = 'https://github.com/rust-lang/rust/pull/' + number
 118     else:
 119         number = '-1'
 120         relevant_pr_number = '<unknown PR>'
 121         relevant_pr_url = '<unknown>'
 122
 123     message = update_latest(
 124         cur_commit,
 125         relevant_pr_number,
 126         relevant_pr_url,
 127         cur_datetime
 128     )
 129     if not message:
 130         print('<Nothing changed>')
 131         sys.exit(0)
 132
 133     print(message)
 134     with open(save_message_to_path, 'w') as f:
 135         f.write(message)
 136
 137     # Write the toolstate comment on the PR as well.
 138     gh_url = 'https://api.github.com/repos/rust-lang/rust/issues/{}/comments' \
 139         .format(number)
 140     response = urllib2.urlopen(urllib2.Request(
 141         gh_url,
 142         json.dumps({'body': message}),
 143         {
 144             'Authorization': 'token ' + github_token,
 145             'Content-Type': 'application/json',
 146         }
 147     ))
 148     response.read()