update black / flake8 related settings

- add flake8-black to dev extras
- update `.flake8`
- update flake8 pre-commit hook

.flake8

@@ -1,5 +1,47 @@
 [flake8]
-max-line-length = 88
-extend-select = C,E,F,W,B,B9
-# B905 should be enabled when we drop support for 3.9
-extend-ignore = E203, E501, B905
+# line length is intentionally set to 80 here because black uses Bugbear
+max-line-length = 80
+extend-ignore =
+    # See https://github.com/PyCQA/pycodestyle/issues/373
+    E203,
+    # use Bugbear's B950 instead
+    E501,
+    # from black repo https://github.com/psf/black/blob/main/.flake8
+    E266, W503, B907
+extend-select =
+    # Bugbear line length
+    B950
+exclude =
+    .venv,
+    .git,
+    .tox,
+    dist,
+    doc,
+    *lib/python*,
+    *egg,
+    build
+    scripts/orig_scripts/*
+    ldm/models/*
+    ldm/modules/*
+    ldm/data/*
+    ldm/generate.py
+    ldm/util.py
+    ldm/simplet2i.py
+per-file-ignores =
+    # B950 line too long
+    # W605 invalid escape sequence
+    # F841 assigned to but never used
+    # F401 imported but unused
+    tests/test_prompt_parser.py: B950, W605, F401
+    tests/test_textual_inversion.py: F841
+    # B023 Function definition does not bind loop variable
+    scripts/legacy_api.py: F401, B950, B023, F841
+    ldm/invoke/__init__.py: F401
+    # B010 Do not call setattr with a constant attribute value
+    ldm/invoke/server_legacy.py: B010
+
+# =====================
+# flake-quote settings:
+# =====================
+# Set this to match black style:
+inline-quotes = double

.pre-commit-config.yaml

@@ -22,6 +22,9 @@ repos:
     rev: 6.0.0
     hooks:
       - id: flake8
+        additional_dependencies:
+          - flake8-black
+          - flake8-bugbear
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: 'v2.7.1'
     hooks:

pyproject.toml

@@ -84,7 +84,14 @@ readme={content-type="text/markdown", file="README.md"}
 requires-python=">=3.9, <3.11"
 
 [project.optional-dependencies]
-"dev"=["black", "flake8", "flake8-bugbear", "isort", "pre-commit"]
+"dev"=[
+  "black[jupyter]",
+  "flake8",
+  "flake8-black",
+  "flake8-bugbear",
+  "isort",
+  "pre-commit",
+]
 "dist"=["pip-tools", "pipdeptree", "twine"]
 "docs"=[
   "mkdocs-git-revision-date-localized-plugin",
@@ -150,13 +157,14 @@ exclude='''
 '''
 include='.pyi?$'
 line-length=88
-source=['invokeai/backend', 'ldm/invoke']
+source=["installer", "invokeai/backend", "ldm/invoke"]
 target-version=['py39']
 
 [tool.isort]
-extend_ignore=["scripts"]
 profile="black"
 py_version=39
+skip_gitignore=true
+skip_glob=["scripts/orig_scripts/*"]
 
 [tool.coverage.run]
 branch=true