chore: expand flake8 plugins and configuration

Author: Midnighter

.bandit

@@ -0,0 +1,2 @@
+[bandit]
+targets = /src/depinfo

pyproject.toml

@@ -8,7 +8,7 @@ requires = [
 
 [tool.black]
 line-length = 88
-python-version = ['py38']
+python-version = ["py38"]
 
 [[tool.mypy.overrides]]
 module = [

tox.ini

@@ -1,10 +1,10 @@
 [tox]
-envlist = isort, black, flake8, safety, mypy, install, py3{7,8,9,10,11}
+envlist = flake8, safety, mypy, install, py3{7,8,9,10,11}
 isolated_build = true
 
 [gh-actions]
 python =
-    3.7: install, isort, black, flake8, mypy, safety, py37
+    3.7: install, flake8, mypy, safety, py37
     3.8: install, mypy, safety, py38
     3.9: install, mypy, safety, py39
     3.10: install, mypy, safety, py310
@@ -13,26 +13,20 @@ python =
 [testenv]
 # Define base for all test environments.
 
-[testenv:isort]
-skip_install = True
-deps=
-    isort
-commands=
-    isort --check-only --diff {toxinidir}/src/depinfo {toxinidir}/tests {toxinidir}/setup.py
-
-[testenv:black]
-skip_install = True
-deps=
-    black
-commands=
-    black --check --diff {toxinidir}/src/depinfo {toxinidir}/tests {toxinidir}/setup.py
-
 [testenv:flake8]
 skip_install = True
 deps=
+    darglint
     flake8
-    flake8-docstrings
+    flake8-bandit
+    flake8-black
     flake8-bugbear
+    flake8-builtins
+    flake8-comprehensions
+    flake8-docstrings
+    flake8-eradicate
+    flake8-isort
+    flake8-pytest-style
 commands=
     flake8 {toxinidir}/src/depinfo {toxinidir}/tests {toxinidir}/setup.py
 
@@ -104,6 +98,9 @@ ignore =
     E203
     W503
     D202
+# darglint
+strictness = long
+docstring_style = google
 
 [isort]
 skip =