[FIX] modules: consider unknown modules uninstalled

The function force_install_module could be called
before the discovery of new modules. The validation
for the module itself is deferred so we could also
be lenient with the dependency module validation.

closes #356

Signed-off-by: Christophe Simonis (chs) <[email protected]>

Author: jjmaksoud

src/util/modules.py

@@ -583,7 +583,10 @@ def force_install_module(cr, module, if_installed=None, reason="it has been expl
     """
     if version_gte("saas~14.5"):
         if if_installed:
-            _assert_modules_exists(cr, *if_installed)
+            try:
+                _assert_modules_exists(cr, *if_installed)
+            except UnknownModuleError as e:
+                _logger.warning("Unknown 'if_installed' modules: %s; consider them as uninstalled.", ", ".join(e.args))
         if not if_installed or modules_installed(cr, *if_installed):
             cr.execute("SELECT 1 FROM ir_module_module WHERE name = 'base' AND state != 'to upgrade'")
             if cr.rowcount: