Initial venv snapshot

tools/python/requirements.in

@@ -1,3 +1,9 @@
 attrs
-cattrs
 black
+cattrs
+hypothesis
+pudb
+pytest
+pytest-cov
+pytest-pudb
+pytest-timeout

tools/python/requirements_lock.txt

@@ -0,0 +1,25 @@
+attrs==22.2.0
+black==23.1.0
+cattrs==22.2.0
+click==8.1.3
+coverage==7.2.1
+exceptiongroup==1.1.0
+hypothesis==6.68.2
+iniconfig==2.0.0
+jedi==0.18.2
+mypy-extensions==1.0.0
+packaging==23.0
+parso==0.8.3
+pathspec==0.11.0
+platformdirs==3.1.0
+pluggy==1.0.0
+pudb==2022.1.3
+Pygments==2.14.0
+pytest==7.2.2
+pytest-cov==4.0.0
+pytest-pudb==0.7.0
+pytest-timeout==2.1.0
+sortedcontainers==2.4.0
+tomli==2.0.1
+urwid==2.1.2
+urwid-readline==0.13