Add isort and ruff linter (#6575)

* Add isort and ruff linter

Both linters are pretty common among modern python code bases.

The isort tool provides stable sorting and grouping, as well as pruning
of unused imports.

Ruff is a modern linter, that is very fast due to being written in rust.
It can detect many common issues in a python codebase.

Removes the pylint dev requirement, since ruff replaces it.

* treewide: fix issues detected by ruff

* treewide: fix bare except clauses

* .devcontainer: Set up isort

* treewide: optimize imports

* treewide: apply black

* treewide: make regex patterns raw strings

This is necessary for escape sequences to be properly recognized.

frigate/test/test_http.py

@@ -6,15 +6,14 @@ import unittest
 from unittest.mock import patch
 
 from peewee_migrate import Router
+from playhouse.shortcuts import model_to_dict
 from playhouse.sqlite_ext import SqliteExtDatabase
 from playhouse.sqliteq import SqliteQueueDatabase
-from playhouse.shortcuts import model_to_dict
 
 from frigate.config import FrigateConfig
 from frigate.http import create_app
 from frigate.models import Event, Recordings
 from frigate.plus import PlusApi
-
 from frigate.test.const import TEST_DB, TEST_DB_CLEANUPS
 
 
@@ -128,22 +127,22 @@ class TestHttp(unittest.TestCase):
 
         with app.test_client() as client:
             _insert_mock_event(id)
-            events = client.get(f"/events").json
+            events = client.get("/events").json
             assert events
             assert len(events) == 1
             assert events[0]["id"] == id
             _insert_mock_event(id2)
-            events = client.get(f"/events").json
+            events = client.get("/events").json
             assert events
             assert len(events) == 2
             events = client.get(
-                f"/events",
+                "/events",
                 query_string={"limit": 1},
             ).json
             assert events
             assert len(events) == 1
             events = client.get(
-                f"/events",
+                "/events",
                 query_string={"has_clip": 0},
             ).json
             assert not events
@@ -230,12 +229,12 @@ class TestHttp(unittest.TestCase):
             event = client.get(f"/events/{id}").json
             assert event
             assert event["id"] == id
-            assert event["retain_indefinitely"] == True
+            assert event["retain_indefinitely"] is True
             client.delete(f"/events/{id}/retain")
             event = client.get(f"/events/{id}").json
             assert event
             assert event["id"] == id
-            assert event["retain_indefinitely"] == False
+            assert event["retain_indefinitely"] is False
 
     def test_set_delete_sub_label(self):
         app = create_app(