Fix yourlabs#1295: Automate CHANGELOG

Author: jpic

changelog.py

@@ -0,0 +1,73 @@
+from github import Github
+from pprint import pprint
+import os
+import re
+import requests
+import subprocess
+import sys
+
+g = Github(os.getenv('GITHUB_TOKEN'))
+repo = g.get_repo('yourlabs/django-autocomplete-light')
+tag = sys.argv[1]
+
+
+with open('CHANGELOG', 'r') as f:
+    CHANGELOG = f.read()
+
+last_release = None
+for line in CHANGELOG.split('\n'):
+    if match := re.match('^(.+)', line):
+        last_release = match.group(0)
+        break
+
+git_log = subprocess.check_output(
+    f"git log --pretty=format:'%h %D' {last_release}..",
+    shell=True,
+).decode('utf8').split('\n')
+
+tags = {}
+tag_commits = []
+for line in git_log:
+    parts = line.split()
+    if len(parts) == 1:
+        tag_commits.append(parts[0])
+    elif len(parts) > 1 and parts[1] == 'tag:':
+        tags[tag] = tag_commits
+        tag = parts[2]
+        tag_commits = [parts[0]]
+
+lines = []
+for tag, shas in tags.items():
+    lines.append(tag)
+    lines.append('')
+
+    for sha in shas:
+        line = []
+        commit = repo.get_commit(sha)
+        author, description = subprocess.check_output(
+            f"git log --format='%an--sep--%B' -n1 {sha}",
+            shell=True,
+        ).decode('utf8').split('\n')[0].split('--sep--')
+        pulls = [*commit.get_pulls()]
+        numbers = []
+        users = []
+        for pull in pulls:
+            numbers.append(pull.number)
+            users.append(pull.user.login)
+        for number in numbers:
+            line.append(f'#{number}'.ljust(7))
+        if not numbers:
+            line.append(sha)
+
+        line.append(description)
+        line.append('by')
+        for user in users:
+            line.append(f'@{user}')
+        if not users:
+            line.append(author)
+        lines.append('    ' + ' '.join(line))
+
+    lines.append('')
+
+
+print('\n'.join(lines))

release.sh

@@ -31,7 +31,9 @@ sed -i "s/release = [^,]*,/release = '$1'/" docs/conf.py
 short=$(echo $1 | grep -Eo '[^.]+\.[^.]+')
 sed -i "s/version = [^,]*,/version = '$short'/" docs/conf.py
 
-git add setup.py docs/conf.py
+source ~/.github
+echo -e "$(python changelog.py $1)\n$(cat CHANGELOG)" > CHANGELOG
+git add setup.py docs/conf.py CHANGELOG
 git commit -m "Release $1"
 git tag $1
 python setup.py sdist