conf: Add Pylint to CI.

.github/workflows/ci.yml

@@ -7,17 +7,28 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    # Setup
     - name: Checkout code
       uses: actions/checkout@v2
+
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
         python-version: "3.10"
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
-    - name: Lint with black
+
+    # Lint
+    - name: Lint with Black
       run: |
         pip install black
         black --check .
+
+    - name: Lint with Pylint
+      run: |
+        pip install pylint
+        touch __init__.py
+        pylint `pwd` --fail-under=5 --disable=too-few-public-methods,fixme

.gitignore

@@ -1,4 +1,5 @@
 .env
 .idea
 venv
-**__pycache__**
+*.pyc
+__init__.py

README.md

@@ -54,16 +54,10 @@ $ pip install -r requirements.txt
 ```
 Or, if your system contains both Python 2 and Python 3, use `pip3`.
 
-#### 5. Enable Git hooks
-
-```
-$ git config --local --add core.hooksPath .githooks 
-```
-
-#### 6. Get the environment variables from another contributor
-#### 7. [Download and configure ngrok](https://betterprogramming.pub/ngrok-make-your-localhost-accessible-to-anyone-333b99e44b07)
-#### 8. Send your generated URL to MDG org admins
-#### 9. Run the bot
+#### 5. Get the environment variables from another contributor
+#### 6. [Download and configure ngrok](https://betterprogramming.pub/ngrok-make-your-localhost-accessible-to-anyone-333b99e44b07)
+#### 7. Send your generated URL to MDG org admins
+#### 8. Run the bot
 
 ```
 $ python main.py

github_parsers.py

@@ -8,7 +8,7 @@
 
 class GitHubPayloadParser:
     @staticmethod
-    def parse(event_type, raw_json) -> GitHubEvent:
+    def parse(event_type, raw_json) -> GitHubEvent | None:
         json: JSON = JSON(raw_json)
         event_parsers: list[Type[EventParser]] = [
             BranchCreateEventParser,
@@ -37,6 +37,8 @@ def parse(event_type, raw_json) -> GitHubEvent:
                     event_type=event_type,
                     json=json,
                 )
+        print(f"Undefined event: {raw_json}")
+        return None
 
 
 # Helper classes:

main.py

@@ -1,5 +1,3 @@
-from typing import Optional
-
 from bottle import post, run, request, get
 
 from github_parsers import GitHubPayloadParser
@@ -22,18 +20,18 @@ def test_post():
 
 @post("/github/events")
 def manage_github_events():
-    event: GitHubEvent = GitHubPayloadParser.parse(
+    event: GitHubEvent | None = GitHubPayloadParser.parse(
         event_type=request.headers["X-GitHub-Event"],
         raw_json=request.json,
     )
-    bot.inform(event)
+    if event is not None:
+        bot.inform(event)
 
 
 @post("/slack/commands")
-def manage_slack_commands():
-    response: Optional[dict] = bot.run(raw_json=request.forms)
-    if response is not None:
-        return response
+def manage_slack_commands() -> dict | None:
+    response: dict | None = bot.run(raw_json=request.forms)
+    return response
 
 
 bot: SlackBot = SlackBot()

models/github.py

@@ -1,15 +1,15 @@
 import enum
-from typing import Optional, Literal
+from typing import Literal
 
 from models.link import Link
 
 
 class Commit:
     def __init__(
         self,
-        message: Optional[str] = None,
-        sha: Optional[str] = None,
-        link: Optional[str] = None,
+        message: str | None = None,
+        sha: str | None = None,
+        link: str | None = None,
     ):
         self.message = message
         self.sha = sha
@@ -55,14 +55,14 @@ def __init__(
         **kwargs,
     ):
         self.name = name
-        self.link: Optional[str] = kwargs.get("link", None)
+        self.link: str | None = kwargs.get("link", None)
         self.type = ref_type
 
 
 class Repository:
     def __init__(self, name: str, **kwargs):
         self.name = name
-        self.link: Optional[str] = kwargs.get("link", None)
+        self.link: str | None = kwargs.get("link", None)
 
 
 class User:
@@ -71,21 +71,22 @@ def __init__(self, name: str, **kwargs):
         self.link = kwargs.get("link", f"https://github.com/{name}")
 
 
+# pylint: disable-next=too-many-instance-attributes
 class GitHubEvent:
     def __init__(self, event_type: EventType, repo: Repository, **kwargs):
         self.type = event_type
         self.repo = repo
 
-        self.number: Optional[int] = kwargs.get("number", None)
+        self.number: int | None = kwargs.get("number", None)
 
-        self.status: Optional[str] = kwargs.get("status", None)
-        self.title: Optional[str] = kwargs.get("title", None)
+        self.status: str | None = kwargs.get("status", None)
+        self.title: str | None = kwargs.get("title", None)
 
-        self.branch: Optional[Ref] = kwargs.get("branch", None)
-        self.user: Optional[User] = kwargs.get("user", None)
+        self.branch: Ref | None = kwargs.get("branch", None)
+        self.user: User | None = kwargs.get("user", None)
 
-        self.comments: Optional[list[str]] = kwargs.get("comments", None)
+        self.comments: list[str] | None = kwargs.get("comments", None)
 
-        self.commits: Optional[list[Commit]] = kwargs.get("commits", None)
-        self.links: Optional[list[Link]] = kwargs.get("links", None)
-        self.reviewers: Optional[list[User]] = kwargs.get("reviewers", None)
+        self.commits: list[Commit] | None = kwargs.get("commits", None)
+        self.links: list[Link] | None = kwargs.get("links", None)
+        self.reviewers: list[User] | None = kwargs.get("reviewers", None)

models/link.py

@@ -1,8 +1,5 @@
-from typing import Optional
-
-
 class Link:
-    def __init__(self, url: Optional[str] = None, text: Optional[str] = None):
+    def __init__(self, url: str | None = None, text: str | None = None):
         self.url = url
         self.text = text