[Chore] Improve release doc (#16553)

* improve release doc

.gitignore

@@ -53,3 +53,4 @@ dolphinscheduler-common/test
 dolphinscheduler-worker/logs
 dolphinscheduler-master/logs
 dolphinscheduler-api/logs
+__pycache__

docs/docs/en/contribute/release.md

@@ -386,7 +386,7 @@ Decompress `apache-dolphinscheduler-<VERSION>-bin.tar.gz` to check the following
 
 You should create a release note in GitHub by [new release note](https://github.com/apache/dolphinscheduler/releases/new).
 It should be done before vote mail because we need the release note in the mail. You could use command
-`python release.py changelog` in directory `tools/release` to creat the changelog.
+`python release.py changelog` in directory `tools/release` to creat the changelog.([Usage](https://github.com/apache/dolphinscheduler/blob/dev/tools/release/README.md)
 
 > NOTE: Or if you prefer to create manually, you can use command `git log --pretty="- %s" <PREVIOUS-RELEASE-SHA>..<CURRENT-RELEASE-SHA> > changelog.md`
 > (some log maybe not correct, you should filter them by yourself) and classify them and paste them to GitHub release note page

docs/docs/zh/contribute/release.md

@@ -393,7 +393,7 @@ svn --username="${A_USERNAME}" commit -m "release ${VERSION}"
 
 在 GitHub 中通过 [创建新的 release note](https://github.com/apache/dolphinscheduler/releases/new) 创建一个 release note。 这要在
 投票邮件开始之前完成，因为我们需要在邮件中使用 release note。你可以在 `tools/release` 目录中运行 `python release.py changelog` 自动创建
-changelog.
+changelog.([使用方式](https://github.com/apache/dolphinscheduler/blob/dev/tools/release/README.md))
 
 > 备注： 如果你更加倾向于手动创建 changelog，你可以通过命令 `git log --pretty="- %s" <PREVIOUS-RELEASE-SHA>..<CURRENT-RELEASE-SHA> > changelog.md`
 > 生成 changelog（部分可以不太准确，需要人为过滤一遍），然后将他们分类并粘贴到 GitHub 的 release note 中

tools/release/README.md

@@ -4,7 +4,7 @@ A tools for convenient release DolphinScheduler.
 
 ## Prepare
 
-* python: python 3.6 or above
+* python: python 3.6 or higher
 * pip: latest version of pip is better
 
 To install dependence, you should run command

tools/release/github/changelog.py

@@ -25,7 +25,7 @@ class Changelog:
 
     Each pull requests will only once in final result. If pull requests have more than one label we need,
     will classify to high priority label type, currently priority is
-    `feature > bug > improvement > document > chore`. pr will into feature section if it with both `feature`,
+    `dsip > feature > bug > improvement > document > chore`. pr will into feature section if it with both `feature`,
     `improvement`, `document` label.
 
     :param prs: pull requests list.
@@ -35,6 +35,7 @@ class Changelog:
     key_labels = "labels"
     key_name = "name"
 
+    label_dsip = "dsip"
     label_feature = "feature"
     label_bug = "bug"
     label_improvement = "improvement"
@@ -46,6 +47,7 @@ class Changelog:
 
     def __init__(self, prs: List[Dict]):
         self.prs = prs
+        self.dsips = []
         self.features = []
         self.bugfixs = []
         self.improvements = []
@@ -57,6 +59,9 @@ def generate(self) -> str:
         """Generate changelog."""
         self.classify()
         final = []
+        if self.dsips:
+            detail = f"## DSIP{self.changelog_prefix}{self._convert(self.dsips)}{self.changelog_suffix}"
+            final.append(detail)
         if self.features:
             detail = f"## Feature{self.changelog_prefix}{self._convert(self.features)}{self.changelog_suffix}"
             final.append(detail)
@@ -98,7 +103,9 @@ def classify(self) -> None:
         for pr in self.prs:
             if self.key_labels not in pr:
                 raise KeyError("PR %s do not have labels", pr[self.key_number])
-            if self._is_feature(pr):
+            if self._is_dsip(pr):
+                self.dsips.append(pr)
+            elif self._is_feature(pr):
                 self.features.append(pr)
             elif self._is_bugfix(pr):
                 self.bugfixs.append(pr)
@@ -111,6 +118,15 @@ def classify(self) -> None:
             else:
                 self.others.append(pr)
 
+    def _is_dsip(self, pr: Dict) -> bool:
+        """Belong to dsip pull requests."""
+        return any(
+            [
+                label[self.key_name].lower() == self.label_dsip
+                for label in pr[self.key_labels]
+            ]
+        )
+
     def _is_feature(self, pr: Dict) -> bool:
         """Belong to feature pull requests."""
         return any(

tools/release/release.py

@@ -92,7 +92,7 @@ def build_argparse() -> argparse.ArgumentParser:
 
 if __name__ == "__main__":
     arg_parser = build_argparse()
-    # args = arg_parser.parse_args(["cherry-pick"])
+    # args = arg_parser.parse_args(["changelog"])
     args = arg_parser.parse_args()
 
     ENV_ACCESS_TOKEN = os.environ.get("GH_ACCESS_TOKEN", None)
@@ -103,4 +103,8 @@ def build_argparse() -> argparse.ArgumentParser:
             "Environment variable `GH_ACCESS_TOKEN` and `GH_REPO_MILESTONE` must provider"
         )
 
+    if not hasattr(args, "func"):
+        arg_parser.print_help()
+        exit(1)
+
     print(args.func(ENV_ACCESS_TOKEN, ENV_MILESTONE))