common/environment/setup-subpkg/subpkg: add vars for python dep verif

Manual.md

@@ -1639,6 +1639,13 @@ written in Python) or just single Python file ones that live in `/usr/bin`.
 If `python_version` is set to `ignore`, python-containing shebangs will not be rewritten.
 Use this only if a package should not be using a system version of python.
 
+- `python_extras`: Python module extras to consider when verifying Python module dependencies.
+Can be used to ensure additional dependency sets are checked. Example: `python_extras="all"`.
+
+- `nopyprovides`: if set, don't create `provides` entries for Python modules in the package.
+
+- `nopyverifydeps`: if set, don't verify Python module dependencies.
+
 Also, a set of useful variables are defined to use in the templates:
 
 | Variable    | Value                            |

common/environment/setup-subpkg/subpkg.sh

@@ -11,6 +11,9 @@ unset -v nostrip nostrip_files
 # hooks/post-install/14-fix-permissions
 unset -v nocheckperms nofixperms
 
+# hooks/pre-pkg/04-generate-provides
+unset -v nopyprovides
+
 # hooks/pre-pkg/04-generate-runtime-deps
 unset -v noverifyrdeps skiprdeps allow_unknown_shlibs shlib_requires
 
@@ -20,6 +23,9 @@ unset -v lib32depends lib32disabled lib32files lib32mode lib32symlinks
 # hooks/pre-pkg/06-shlib-provides
 unset -v noshlibprovides shlib_provides
 
+# hooks/pre-pkg/06-verify-python-deps
+unset -v noverifypydeps python_extras
+
 # xbps-triggers: system-accounts
 unset -v system_accounts system_groups