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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import re
import json
import datetime
import collections
import textwrap
try:
import urllib2
except ImportError:
import urllib.request as urllib2
# List of people to ping when the status of a tool changed.
MAINTAINERS = {
'miri': '@oli-obk @RalfJung @eddyb',
'clippy-driver': '@Manishearth @llogiq @mcarton @oli-obk',
'rls': '@nrc @Xanewok',
'rustfmt': '@nrc',
'book': '@carols10cents @steveklabnik',
'nomicon': '@frewsxcv @Gankro',
'reference': '@steveklabnik @Havvy @matthewjasper @alercah',
'rust-by-example': '@steveklabnik @marioidival @projektir',
}
def read_current_status(current_commit, path):
'''Reads build status of `current_commit` from content of `history/*.tsv`
'''
with open(path, 'rU') as f:
for line in f:
(commit, status) = line.split('\t', 1)
if commit == current_commit:
return json.loads(status)
return {}
def update_latest(
current_commit,
relevant_pr_number,
relevant_pr_url,
current_datetime
):
'''Updates `_data/latest.json` to match build result of the given commit.
'''
with open('_data/latest.json', 'rb+') as f:
latest = json.load(f, object_pairs_hook=collections.OrderedDict)
current_status = {
os: read_current_status(current_commit, 'history/' + os + '.tsv')
for os in ['windows', 'linux']
}
slug = 'rust-lang/rust'
message = textwrap.dedent('''\
📣 Toolstate changed by {}!
Tested on commit {}@{}.
Direct link to PR: <{}>
''').format(relevant_pr_number, slug, current_commit, relevant_pr_url)
anything_changed = False
for status in latest:
tool = status['tool']
changed = False
for os, s in current_status.items():
old = status[os]
new = s.get(tool, old)
status[os] = new
if new > old:
changed = True
message += '🎉 {} on {}: {} → {} (cc {}, @rust-lang/infra).\n' \
.format(tool, os, old, new, MAINTAINERS.get(tool))
elif new < old:
changed = True
message += '💔 {} on {}: {} → {} (cc {}, @rust-lang/infra).\n' \
.format(tool, os, old, new, MAINTAINERS.get(tool))
if changed:
status['commit'] = current_commit
status['datetime'] = current_datetime
anything_changed = True
if not anything_changed:
return ''
f.seek(0)
f.truncate(0)
json.dump(latest, f, indent=4, separators=(',', ': '))
return message
if __name__ == '__main__':
cur_commit = sys.argv[1]
cur_datetime = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
cur_commit_msg = sys.argv[2]
save_message_to_path = sys.argv[3]
github_token = sys.argv[4]
relevant_pr_match = re.search('#([0-9]+)', cur_commit_msg)
if relevant_pr_match:
number = relevant_pr_match.group(1)
relevant_pr_number = 'rust-lang/rust#' + number
relevant_pr_url = 'https://github.com/rust-lang/rust/pull/' + number
else:
number = '-1'
relevant_pr_number = '<unknown PR>'
relevant_pr_url = '<unknown>'
message = update_latest(
cur_commit,
relevant_pr_number,
relevant_pr_url,
cur_datetime
)
if not message:
print('<Nothing changed>')
sys.exit(0)
print(message)
if not github_token:
print('Dry run only, not committing anything')
sys.exit(0)
with open(save_message_to_path, 'w') as f:
f.write(message)
# Write the toolstate comment on the PR as well.
gh_url = 'https://api.github.com/repos/rust-lang/rust/issues/{}/comments' \
.format(number)
response = urllib2.urlopen(urllib2.Request(
gh_url,
json.dumps({'body': message}),
{
'Authorization': 'token ' + github_token,
'Content-Type': 'application/json',
}
))
response.read()
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