Add flake8

.github/workflows/linting.yml

@@ -0,0 +1,28 @@
+name: Lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    name: Run linters
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+
+      - name: Install Python dependencies
+        run: pip install black flake8
+
+      - name: Run linters
+        uses: wearerequired/lint-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          black: true
+          flake8: true
+          auto_fix: true

cogs/monitor.py

@@ -71,7 +71,7 @@ async def monitor_uptime(self) -> None:
         channel = self.bot.get_channel(get_config("notification_channel"))
 
         for i in get_servers():
-            if i["type"] is "ping":
+            if i["type"] == "ping":
                 if ping(i["address"]) is False:
                     await self.notify_down(i, channel, "Host unknown")
                 elif ping(i["address"]) is None:

cogs/ping.py

@@ -27,7 +27,8 @@ async def ping(self, ctx, address: str, pings: int = 1) -> None:
         else:
             for i in range(pings):
                 await ctx.send(
-                    f"Received response from {address} in: {str(int(ping(address, unit='ms')))}ms."
+                    f"Received response from {address} in: "
+                    f"{str(int(ping(address, unit='ms')))}ms."
                 )
                 await asyncio.sleep(1)
 

pyproject.toml

@@ -1,4 +1,22 @@
 [tool.black]
 line-length = 88
 target-version = ['py37']
-include = '\.pyi?$'
+include = '\.pyi?$'
+exclude = '''
+
+(
+  /(
+      \.eggs
+    | \.git
+    | \.hg
+    | \.mypy_cache
+    | \.tox
+    | \venv
+    | _build
+    | buck-out
+    | build
+    | dist
+  )/
+  | foo.py
+)
+'''

setup.cfg

@@ -0,0 +1,3 @@
+[flake8]
+max-line-length = 88
+exclude = .git,__pycache__,venv

utils/config.py

@@ -4,11 +4,11 @@
 
 def get_servers() -> Iterable:
     """Reads all specified servers specified in servers.json."""
-    with open('servers.json') as f:
+    with open("servers.json") as f:
         return json.load(f)
 
 
 def get_config(item: str) -> Union[str, int]:
     """Retrieves the configuration value specified."""
-    with open('config.json') as f:
+    with open("config.json") as f:
         return json.load(f)[item]