introduce an is_scope function to make it easier to work with scopes

jedi/evaluate/compiled/__init__.py

@@ -169,6 +169,9 @@ class CompiledObject(Base):
                 faked_subscopes.append(f)
         return faked_subscopes
 
+    def is_scope(self):
+        return True
+
     def get_self_attributes(self):
         return []  # Instance compatibility
 

jedi/evaluate/finder.py

@@ -478,8 +478,7 @@ def get_names_of_scope(evaluator, scope, position=None, star_search=True, includ
     while scope:
         # We don't want submodules to report if we have modules.
         # As well as some non-scopes, which are parents of list comprehensions.
-        if isinstance(scope, pr.SubModule) and scope.parent \
-                or not isinstance(scope, pr.IsScope):
+        if isinstance(scope, pr.SubModule) and scope.parent or not scope.is_scope():
             scope = scope.parent
             continue
         # `pr.Class` is used, because the parent is never `Class`.

jedi/parser/fast.py

@@ -16,7 +16,7 @@ from jedi.parser.tokenize import (source_tokens, Token, FLOWS, NEWLINE,
                                   COMMENT, ENDMARKER)
 
 
-class Module(pr.Simple, pr.Module):
+class Module(pr.Module, pr.Simple):
     def __init__(self, parsers):
         super(Module, self).__init__(self, (1, 0))
         self.parsers = parsers

jedi/parser/representation.py

@@ -191,12 +191,18 @@ class Simple(Base):
         return "<%s: %s@%s,%s>" % \
             (type(self).__name__, code, self.start_pos[0], self.start_pos[1])
 
+    def is_scope(self):
+        return False
+
 
 class IsScope(Base):
     __slots__ = ()
 
+    def is_scope(self):
+        return True
 
-class Scope(Simple, IsScope, DocstringMixin):
+
+class Scope(IsScope, Simple, DocstringMixin):
     """
     Super class for the parser tree, which represents the state of a python
     text file.