Start using names_dicts instead of scope_names_generator.

jedi/evaluate/compiled/__init__.py

@@ -151,6 +151,9 @@ class CompiledObject(Base):
     def names_dict(self):
         return LazyNamesDict(self._cls())
 
+    def names_dicts(self):
+        yield self.names_dict
+
     def scope_names_generator(self, position=None, add_class_vars=True):
         yield self, self.get_defined_names()
 

jedi/evaluate/finder.py

@@ -35,7 +35,8 @@ from jedi.evaluate.cache import memoize_default
 class NameFinder(object):
     def __init__(self, evaluator, scope, name_str, position=None):
         self._evaluator = evaluator
-        self.scope = scope
+        # Make sure that it's not just a syntax tree node.
+        self.scope = er.wrap(evaluator, scope)
         self.name_str = name_str
         self.position = position
 
@@ -62,21 +63,24 @@ class NameFinder(object):
 
     def scopes(self, search_global=False):
         if search_global:
-            return get_names_of_scope(self._evaluator, self.scope, self.position)
+            return global_names_dict_generator(self._evaluator, self.scope, self.position)
         else:
-            return self.scope.scope_names_generator(self.position)
+            return ((n, None) for n in self.scope.names_dicts())
 
-    def names_dict_lookup(self, scope, position):
+    def names_dict_lookup(self, names_dict, position):
         def get_param(el):
             if isinstance(el.parent, pr.Param) or isinstance(el.parent.parent, pr.Param):
                 return scope.param_by_name(str(el))
             return el
 
         try:
-            names = scope.names_dict[str(self.name_str)]
+            names = names_dict[str(self.name_str)]
         except KeyError:
             return []
 
+        #print(names[0].parent, names[0].get_definition().get_parent_scope())
+        # Just calculate the scope from the first
+        scope = er.wrap(self._evaluator, names[0].get_definition().get_parent_scope())
         if isinstance(scope, (pr.CompFor, pr.Lambda)):
             return names
 
@@ -110,10 +114,10 @@ class NameFinder(object):
             return [get_param(n) for n in last_names]
         return last_names
 
-    def filter_name(self, scope_names_generator, search_global=False):
+    def filter_name(self, names_dicts, search_global=False):
         """
-        Filters all variables of a scope (which are defined in the
+        Searches names that are defined in a scope (the different
-        `scope_names_generator`), until the name fits.
+        `names_dicts`), until a name fits.
         """
         # TODO Now this import is really ugly. Try to remove it.
         # It's possibly the only api dependency.
@@ -124,6 +128,16 @@ class NameFinder(object):
             return [n for n in self.scope.get_magic_function_names()
                     if str(n) == str(self.name_str)]
 
+        scope_names_generator = []
+        name_list_scope = None  # TODO delete
+        for names_dict, position in names_dicts:
+            #scope = parent
+            names = self.names_dict_lookup(names_dict, position)
+            if names:
+                break
+            #if isinstance(scope, (pr.Function, er.FunctionExecution)):
+                #position = None
+
         # Need checked for now for the whole names_dict approach. That only
         # works on the first name_list_scope, the second one may be the same
         # with a different name set (e.g. ModuleWrapper yields the module
@@ -170,7 +184,7 @@ class NameFinder(object):
                         or isinstance(name_list_scope, (pr.Lambda, er.Instance, InterpreterNamespace)) \
                         or isinstance(scope, compiled.CompiledObject):
                     # Always reachable.
-                    print('nons', scope)
+                    print('nons', name.get_parent_scope(), self.scope)
                     names.append(name)
                 else:
                     print('yess', scope)
@@ -465,6 +479,23 @@ def _check_isinstance_type(evaluator, element, search_name):
     return result
 
 
+def global_names_dict_generator(evaluator, scope, position):
+    """
+    For global lookups.
+    """
+    while scope is not None:
+        for names_dict in scope.names_dicts():
+            yield names_dict, position
+        if scope.type == 'funcdef':
+            # The position should be reset if the current scope is a function.
+            position = None
+        scope = er.wrap(evaluator, scope.get_parent_scope())
+
+    # Add builtins to the global scope.
+    for names_dict in compiled.builtin.names_dicts():
+        yield names_dict, None
+
+
 def get_names_of_scope(evaluator, scope, position=None, star_search=True, include_builtin=True):
     """
     Get all completions (names) possible for the current scope. The star search

jedi/evaluate/iterable.py

@@ -257,6 +257,13 @@ class Array(IterableWrapper):
         for _, names in scope.scope_names_generator():
             yield self, names
 
+    @underscore_memoization
+    def names_dicts(self):
+        # `array.type` is a string with the type, e.g. 'list'.
+        scope = self._evaluator.find_types(compiled.builtin, self.type)[0]
+        scope = self._evaluator.execute(scope)[0]  # builtins only have one class
+        return scope.names_dicts()
+
     @common.safe_property
     def parent(self):
         return compiled.builtin

jedi/evaluate/representation.py

@@ -231,7 +231,7 @@ class Instance(use_metaclass(CachedMetaClass, Executed)):
         return helpers.FakeName(unicode(name), self, name.start_pos)
 
     def __getattr__(self, name):
-        if name not in ['start_pos', 'end_pos', 'get_imports',
+        if name not in ['start_pos', 'end_pos', 'get_imports', 'type',
                         'doc', 'raw_doc', 'asserts']:
             raise AttributeError("Instance %s: Don't touch this (%s)!"
                                  % (self, name))
@@ -355,6 +355,9 @@ class Wrapper(pr.Base):
     def is_class(self):
         return False
 
+    def names_dicts(self):
+        yield self.names_dict
+
     @property
     @underscore_memoization
     def name(self):
@@ -440,7 +443,7 @@ class Class(use_metaclass(CachedMetaClass, Wrapper)):
     def __getattr__(self, name):
         if name not in ['start_pos', 'end_pos', 'parent', 'asserts', 'raw_doc',
                         'doc', 'get_imports', 'get_parent_until', 'get_code',
-                        'subscopes', 'names_dict']:
+                        'subscopes', 'names_dict', 'type']:
             raise AttributeError("Don't touch this: %s of %s !" % (name, self))
         return getattr(self.base, name)
 
@@ -625,7 +628,11 @@ class FunctionExecution(Executed):
         self.base.names_dict
         return LazyDict(self.base.names_dict, self._copy_list)
 """
-
+    
+    def names_dicts(self):
+        self.children
+        yield dict((k, [self._copy_dict[v] for v in values])
+                   for k, values in self.base.names_dict.items())
 
     @memoize_default(default=NO_DEFAULT)
     def _get_params(self):
@@ -669,7 +676,7 @@ class FunctionExecution(Executed):
         return objects
 
     def __getattr__(self, name):
-        if name not in ['start_pos', 'end_pos', 'imports', '_sub_module']:
+        if name not in ['start_pos', 'end_pos', 'imports', '_sub_module', 'type']:
             raise AttributeError('Tried to access %s: %s. Why?' % (name, self))
         return getattr(self.base, name)
 
@@ -740,6 +747,16 @@ class ModuleWrapper(use_metaclass(CachedMetaClass, pr.Module, Wrapper)):
         if sub_modules:
             yield self, self._sub_modules()
 
+    def names_dicts(self):
+        yield self.base.names_dict
+        yield self._module_attributes_dict()
+
+        for star_module in self.star_imports():
+            yield star_module.names_dict
+
+        yield dict((str(n), [n]) for n in self.base.global_names)
+        yield self._sub_modules_dict()
+
     @cache_star_import
     @memoize_default([])
     def star_imports(self):
@@ -754,6 +771,15 @@ class ModuleWrapper(use_metaclass(CachedMetaClass, pr.Module, Wrapper)):
                 modules += new
         return modules
 
+    @memoize_default()
+    def _module_attributes_dict(self):
+        def parent_callback():
+            return self._evaluator.execute(compiled.create(self._evaluator, str))[0]
+
+        names = ['__file__', '__package__', '__doc__', '__name__']
+        # All the additional module attributes are strings.
+        return dict((n, [helpers.LazyName(n, parent_callback)]) for n in names)
+
     @memoize_default()
     def _module_attributes(self):
         def parent_callback():
@@ -794,6 +820,32 @@ class ModuleWrapper(use_metaclass(CachedMetaClass, pr.Module, Wrapper)):
 
         return names
 
+    @memoize_default()
+    def _sub_modules_dict(self):
+        """
+        Lists modules in the directory of this module (if this module is a
+        package).
+        """
+        path = self._module.path
+        names = {}
+        if path is not None and path.endswith(os.path.sep + '__init__.py'):
+            mods = pkgutil.iter_modules([os.path.dirname(path)])
+            for module_loader, name, is_pkg in mods:
+                fake_n = helpers.FakeName(name)
+                # It's obviously a relative import to the current module.
+                imp = helpers.FakeImport(fake_n, self, level=1)
+                fake_n.parent = imp
+                names[name] = fake_n
+
+        # TODO add something like this in the future, its cleaner than the
+        #   import hacks.
+        # ``os.path`` is a hardcoded exception, because it's a
+        # ``sys.modules`` modification.
+        #if str(self.name) == 'os':
+        #    names.append(helpers.FakeName('path', parent=self))
+
+        return names
+
     def __getattr__(self, name):
         return getattr(self._module, name)
 

jedi/parser/tree.py

@@ -139,7 +139,7 @@ class Base(object):
         Returns the underlying scope.
         """
         scope = self.parent
-        while scope.parent is not None:
+        while scope is not None:
             if include_flows and isinstance(scope, Flow):
                 return scope
             if scope.is_scope():
@@ -623,6 +623,7 @@ class SubModule(Scope, Module):
     """
     __slots__ = ('path', 'global_names', 'used_names', '_name',
                  'line_offset', 'use_as_parent', 'error_statement_stacks')
+    type = 'file_input'
 
     def __init__(self, children):
         """
@@ -1259,6 +1260,9 @@ class CompFor(Simple):
             arr.append(name)
         return dct
 
+    def names_dicts(self):
+        yield self.names_dict
+
     def get_defined_names(self):
         return _defined_names(self.children[1])