[bfops/share-python-deps]: review

Author: bfops

.gitignore

@@ -226,3 +226,6 @@ new.json
 
 # Symlinked output from `nix build`
 result
+
+# Python venv directories
+venv/

smoketests/README.md

@@ -0,0 +1,11 @@
+To use the smoketests, you first need to install the dependencies:
+
+```
+python -m venv smoketests/venv
+smoketests/venv/bin/pip install -r smoketests/requirements.txt
+```
+
+Then, run the smoketests like so:
+```
+smoketests/venv/bin/python -m smoketests <args>
+```