feat(cable): add extensive television cable channel configurations and related files

television/cable/python-venvs.toml

@@ -0,0 +1,20 @@
+[metadata]
+name = "python-venvs"
+description = "Find Python virtual environments"
+requirements = ["find"]
+
+[source]
+command = "find ~ -maxdepth 5 -type f -name 'pyvenv.cfg' 2>/dev/null | xargs -I{} dirname {}"
+
+[preview]
+command = "cat '{}/pyvenv.cfg' 2>/dev/null && echo '' && echo 'Packages:' && '{}/bin/pip' list --format=columns 2>/dev/null | head -20"
+
+[actions.activate]
+description = "Open a shell with the selected venv activated"
+command = "source '{}/bin/activate' && $SHELL"
+mode = "execute"
+
+[actions.packages]
+description = "List all packages in the selected venv"
+command = "'{}/bin/pip' list | less"
+mode = "execute"