feat: added script for the changelog generation

Kit/scripts/changelog.py

@@ -0,0 +1,66 @@
+import subprocess
+import re
+
+
+def last_release_tag():
+    cmd = "git describe --abbrev=0 --tags"
+    output = subprocess.check_output(['bash', '-c', cmd])
+    return output.decode("utf-8").strip()
+
+
+def git_hash(tag):
+    cmd = "git rev-list -n 1 {0}".format(tag)
+    output = subprocess.check_output(['bash', '-c', cmd])
+    return output.decode("utf-8").strip()
+
+
+class Changelog:
+    fixPattern = re.compile("^- fix:")
+    featPattern = re.compile("^- feat:")
+    langPattern = re.compile("^- lang:")
+
+    def generate(self):
+        tag = last_release_tag()
+        tag_hash = git_hash(tag)
+
+        fix, feat, lang = self.commits(tag_hash)
+
+        changelog = ""
+
+        if len(fix) != 0:
+            changelog += "## Bug fixes \n{}".format("\n".join(fix))
+        if len(feat) != 0:
+            if len(changelog) != 0:
+                changelog += "\n\n"
+            changelog += "## New features \n{}".format("\n".join(feat))
+        if len(lang) != 0:
+            if len(changelog) != 0:
+                changelog += "\n\n"
+            changelog += "## Localization \n{}".format("\n".join(lang))
+
+        print(changelog)
+
+    def commits(self, first_commit):
+        cmd = f"git log --pretty=\"- %s\" {first_commit}..HEAD"
+        output = subprocess.check_output(['bash', '-c', cmd])
+        lines = output.decode("utf-8").splitlines()
+
+        fix = []
+        feat = []
+        lang = []
+
+        for line in lines:
+            if self.fixPattern.match(line) and "translation" not in line and "localization" not in line:
+                fix.append(line)
+            elif self.featPattern.match(line) and "translation" not in line and "localization" not in line:
+                feat.append(line)
+            elif self.langPattern.match(line) or "translation" in line or "localization" in line:
+                lang.append(line)
+            else:
+                raise ValueError("Failed to detect commit {} type".format(line))
+
+        return fix, feat, lang
+
+
+if __name__ == "__main__":
+    Changelog().generate()