WIP

Author: moreati

ansible_mitogen/mixins.py

@@ -461,15 +461,8 @@ def _low_level_execute_command(self, cmd, sudoable=True, in_data=None,
         # which is required by Ansible's discover_interpreter function
         if self._mitogen_discovering_interpreter:
             possible_pythons = [
-                '/usr/bin/python',
                 'python3',
-                'python3.7',
-                'python3.6',
-                'python3.5',
-                'python2.7',
-                'python2.6',
-                '/usr/libexec/platform-python',
-                '/usr/bin/python3',
+                'python2',
                 'python'
             ]
         else:

ansible_mitogen/transport_config.py

@@ -107,7 +107,9 @@ def run_interpreter_discovery_if_necessary(s, task_vars, action, rediscover_pyth
             # blow away the discovered_interpreter_config cache and rediscover
             del task_vars['ansible_facts'][discovered_interpreter_config]
 
-        if discovered_interpreter_config not in task_vars['ansible_facts']:
+        try:
+            s = task_vars['ansible_facts'][discovered_interpreter_config]
+        except KeyError:
             action._mitogen_discovering_interpreter = True
             # fake pipelining so discover_interpreter can be happy
             action._connection.has_pipelining = True
@@ -121,8 +123,6 @@ def run_interpreter_discovery_if_necessary(s, task_vars, action, rediscover_pyth
             # cache discovered interpreter
             task_vars['ansible_facts'][discovered_interpreter_config] = s
             action._connection.has_pipelining = False
-        else:
-            s = task_vars['ansible_facts'][discovered_interpreter_config]
 
         # propagate discovered interpreter as fact
         action._discovered_interpreter_key = discovered_interpreter_config
@@ -140,13 +140,11 @@ def parse_python_path(s, task_vars, action, rediscover_python):
     discovery value in `facts_from_task_vars` like how Ansible handles this.
     """
     if not s:
-        # if python_path doesn't exist, default to `auto` and attempt to discover it
-        s = 'auto'
+        raise ValueError("Expected Python path or discovery mode, got: %r", s)
 
     s = run_interpreter_discovery_if_necessary(s, task_vars, action, rediscover_python)
-    # if unable to determine python_path, fallback to '/usr/bin/python'
     if not s:
-        s = '/usr/bin/python'
+        raise ValueError("Interpreter discovery failed, got: %r", s)
 
     return ansible.utils.shlex.shlex_split(s)