Move AnsibleBaseBaseYAMLObject's position_info into a property

v2/ansible/errors/__init__.py

@@ -92,7 +92,7 @@ class AnsibleError(Exception):
         error_message = ''
 
         try:
-            (src_file, line_number, col_number) = self._obj.get_position_info()
+            (src_file, line_number, col_number) = self._obj.ansible_pos
             error_message += YAML_POSITION_DETAILS % (src_file, line_number, col_number)
             if src_file not in ('<string>', '<unicode>') and self._show_content:
                 (target_line, prev_line) = self._get_error_lines_from_file(src_file, line_number - 1)

v2/ansible/parsing/__init__.py

@@ -146,7 +146,7 @@ class DataLoader():
         err_obj = None
         if hasattr(yaml_exc, 'problem_mark'):
             err_obj = AnsibleBaseYAMLObject()
-            err_obj.set_position_info(file_name, yaml_exc.problem_mark.line + 1, yaml_exc.problem_mark.column + 1)
+            err_obj.ansible_pos = (file_name, yaml_exc.problem_mark.line + 1, yaml_exc.problem_mark.column + 1)
 
         raise AnsibleParserError(YAML_SYNTAX_ERROR, obj=err_obj, show_content=show_content)
 

v2/ansible/parsing/yaml/constructor.py

@@ -33,23 +33,20 @@ class AnsibleConstructor(Constructor):
         yield data
         value = self.construct_mapping(node)
         data.update(value)
-        data._line_number   = value._line_number
-        data._column_number = value._column_number
-        data._data_source   = value._data_source
+        data.ansible_pos = value.ansible_pos
 
     def construct_mapping(self, node, deep=False):
         ret = AnsibleMapping(super(Constructor, self).construct_mapping(node, deep))
-        ret._line_number   = node.__line__
-        ret._column_number = node.__column__
 
         # in some cases, we may have pre-read the data and then
         # passed it to the load() call for YAML, in which case we
         # want to override the default datasource (which would be
         # '<string>') to the actual filename we read in
         if self._ansible_file_name:
-            ret._data_source = self._ansible_file_name
+            data_source = self._ansible_file_name
         else:
-            ret._data_source = node.__datasource__
+            data_source = node.__datasource__
+        ret.ansible_pos = (data_source, node.__line__, node.__column__)
 
         return ret
 
@@ -58,16 +55,15 @@ class AnsibleConstructor(Constructor):
         # to always return unicode objects
         value = self.construct_scalar(node)
         value = to_unicode(value)
-        data = AnsibleUnicode(self.construct_scalar(node))
+        ret = AnsibleUnicode(self.construct_scalar(node))
 
-        data._line_number = node.__line__
-        data._column_number = node.__column__
         if self._ansible_file_name:
-            data._data_source = self._ansible_file_name
+            data_source = self._ansible_file_name
         else:
-            data._data_source = node.__datasource__
+            data_source = node.__datasource__
+        ret.ansible_pos = (data_source, node.__line__, node.__column__)
 
-        return data
+        return ret
 
 AnsibleConstructor.add_constructor(
     u'tag:yaml.org,2002:map',

v2/ansible/parsing/yaml/objects.py

@@ -29,22 +29,19 @@ class AnsibleBaseYAMLObject:
     _line_number   = 0
     _column_number = 0
 
-    def get_position_info(self):
+    def _get_ansible_position(self):
         return (self._data_source, self._line_number, self._column_number)
 
-    def set_position_info(self, src, line, col):
+    def _set_ansible_position(self, obj):
+        try:
+            (src, line, col) = obj
+        except (TypeError, ValueError):
+            raise AssertionError('ansible_pos can only be set with a tuple/list of three values: source, line number, column number')
         self._data_source   = src
         self._line_number   = line
         self._column_number = col
 
-    def copy_position_info(self, obj):
-        ''' copies the position info from another object '''
-        assert isinstance(obj, AnsibleBaseYAMLObject)
-
-        (src, line, col) = obj.get_position_info()
-        self._data_source   = src
-        self._line_number   = line
-        self._column_number = col
+    ansible_pos = property(_get_ansible_position, _set_ansible_position)
 
 class AnsibleMapping(AnsibleBaseYAMLObject, dict):
     ''' sub class for dictionaries '''

v2/ansible/playbook/helpers.py

@@ -74,7 +74,7 @@ def load_list_of_tasks(ds, block=None, role=None, task_include=None, use_handler
         #if 'include' in task:
         #    cur_basedir = None
         #    if isinstance(task, AnsibleBaseYAMLObject) and loader:
-        #        pos_info = task.get_position_info()
+        #        pos_info = task.ansible_pos
         #        new_basedir = os.path.dirname(pos_info[0])
         #        cur_basedir = loader.get_basedir()
         #        loader.set_basedir(new_basedir)

v2/ansible/playbook/playbook_include.py

@@ -80,7 +80,7 @@ class PlaybookInclude(Base):
         # items reduced to a standard structure
         new_ds = AnsibleMapping()
         if isinstance(ds, AnsibleBaseYAMLObject):
-            new_ds.copy_position_info(ds)
+            new_ds.ansible_pos = ds.ansible_pos
 
         for (k,v) in ds.iteritems():
             if k == 'include':

v2/ansible/playbook/role/definition.py

@@ -66,7 +66,7 @@ class RoleDefinition(Base, Become, Conditional, Taggable):
         # can preserve file:line:column information if it exists
         new_ds = AnsibleMapping()
         if isinstance(ds, AnsibleBaseYAMLObject):
-            new_ds.copy_position_info(ds)
+            new_ds.ansible_pos = ds.ansible_pos
 
         # first we pull the role name out of the data structure,
         # and then use that to determine the role path (which may

v2/ansible/playbook/task.py

@@ -159,7 +159,7 @@ class Task(Base, Conditional, Taggable, Become):
         # attributes of the task class
         new_ds = AnsibleMapping()
         if isinstance(ds, AnsibleBaseYAMLObject):
-            new_ds.copy_position_info(ds)
+            new_ds.ansible_pos = ds.ansible_pos
 
         # use the args parsing class to determine the action, args,
         # and the delegate_to value from the various possible forms