ansible: Respect interpreter_python config variable

ansible_mitogen/connection.py

@@ -633,7 +633,7 @@ def get_task_var(self, key, default=None):
         does not make sense to extract connection-related configuration for the
         delegated-to machine from them.
         """
-        def _fetch_task_var(task_vars, key):
+        def _fetch_task_var(task_vars, key, default):
             """
             Special helper func in case vars can be templated
             """
@@ -651,15 +651,16 @@ def _fetch_task_var(task_vars, key):
                         escape_backslashes=False
                     )
                 return val
+            return default
 
         task_vars = self._get_task_vars()
         if self.delegate_to_hostname is None:
-            return _fetch_task_var(task_vars, key)
+            return _fetch_task_var(task_vars, key, default)
         else:
             delegated_vars = task_vars['ansible_delegated_vars']
             if self.delegate_to_hostname in delegated_vars:
                 task_vars = delegated_vars[self.delegate_to_hostname]
-                return _fetch_task_var(task_vars, key)
+                return _fetch_task_var(task_vars, key, default)
 
         return default
 

ansible_mitogen/transport_config.py

@@ -493,7 +493,9 @@ def port(self):
         return self._connection_option('port')
 
     def python_path(self, rediscover_python=False):
-        s = self._connection.get_task_var('ansible_python_interpreter')
+        s = self._connection.get_task_var('ansible_python_interpreter',
+                default=C.config.get_config_value('INTERPRETER_PYTHON',
+                    variables=self._task_vars))
         # #511, #536: executor/module_common.py::_get_shebang() hard-wires
         # "/usr/bin/python" as the default interpreter path if no other
         # interpreter is specified.
@@ -703,6 +705,9 @@ def port(self):
 
     def python_path(self, rediscover_python=False):
         s = self._host_vars.get('ansible_python_interpreter')
+        if s is None:
+            s = C.config.get_config_value('INTERPRETER_PYTHON',
+                    variables=self._task_vars)
         # #511, #536: executor/module_common.py::_get_shebang() hard-wires
         # "/usr/bin/python" as the default interpreter path if no other
         # interpreter is specified.

docs/changelog.rst

@@ -27,6 +27,7 @@ In progress (unreleased)
   with `meta: reset_connection`
 * :gh:issue:`1083` :mod:`ansible_mitogen`: Templated connection timeout
   (e.g. ``ansible_timeout``).
+* :gh:issue:`740` respect `interpreter_python` global configuration variable
 
 
 v0.3.19 (2024-12-02)