Make sure the basedir is unicode

Fixes #10773

lib/ansible/parsing/__init__.py

@@ -31,6 +31,7 @@ from ansible.parsing.splitter import unquote
 from ansible.parsing.yaml.loader import AnsibleLoader
 from ansible.parsing.yaml.objects import AnsibleBaseYAMLObject, AnsibleUnicode
 from ansible.utils.path import unfrackpath
+from ansible.utils.unicode import to_unicode
 
 class DataLoader():
 
@@ -175,7 +176,7 @@ class DataLoader():
         ''' sets the base directory, used to find files when a relative path is given '''
 
         if basedir is not None:
-            self._basedir = basedir
+            self._basedir = to_unicode(basedir)
 
     def path_dwim(self, given):
         '''

lib/ansible/playbook/role/definition.py

@@ -129,7 +129,7 @@ class RoleDefinition(Base, Become, Conditional, Taggable):
             return (role_name, role_path)
         else:
             # we always start the search for roles in the base directory of the playbook
-            role_search_paths = [os.path.join(self._loader.get_basedir(), 'roles'), './roles', './']
+            role_search_paths = [os.path.join(self._loader.get_basedir(), u'roles'), u'./roles', u'./']
 
             # also search in the configured roles path
             if C.DEFAULT_ROLES_PATH:

lib/ansible/plugins/__init__.py

@@ -29,6 +29,7 @@ import sys
 
 from ansible import constants as C
 from ansible.utils.display import Display
+from ansible.utils.unicode import to_unicode
 from ansible import errors
 
 MODULE_CACHE = {}
@@ -38,7 +39,7 @@ _basedirs = []
 
 def push_basedir(basedir):
     # avoid pushing the same absolute dir more than once
-    basedir = os.path.realpath(basedir)
+    basedir = to_unicode(os.path.realpath(basedir))
     if basedir not in _basedirs:
         _basedirs.insert(0, basedir)