work on thread safety

to start with, rebuilder should not be a class attribute

2 files changed, 5 insertions, 9 deletions

diff --git a/builder.py b/builder.py
index 566bdd53..42168eb5 100644
--- a/builder.py
+++ b/builder.py
@@ -83,7 +83,6 @@ MANAGER = AstroidManager()
 
 class AstroidBuilder(InspectBuilder):
     """provide astroid building methods"""
-    rebuilder = TreeRebuilder()
 
     def __init__(self, manager=None):
         InspectBuilder.__init__(self)
@@ -157,11 +156,11 @@ class AstroidBuilder(InspectBuilder):
             package = True
         else:
             package = path and path.find('__init__.py') > -1 or False
-        self.rebuilder.init()
-        module = self.rebuilder.visit_module(node, modname, package)
+        rebuilder = TreeRebuilder()
+        module = rebuilder.visit_module(node, modname, package)
         module.file = module.path = node_file
-        module._from_nodes = self.rebuilder._from_nodes
-        module._delayed_assattr = self.rebuilder._delayed_assattr
+        module._from_nodes = rebuilder._from_nodes
+        module._delayed_assattr = rebuilder._delayed_assattr
         return module
 
     def add_from_names_to_locals(self, node):
diff --git a/rebuilder.py b/rebuilder.py
index fd84149a..f777b438 100644
--- a/rebuilder.py
+++ b/rebuilder.py
@@ -119,16 +119,13 @@ def _set_infos(oldnode, newnode, parent):
 class TreeRebuilder(object):
     """Rebuilds the _ast tree to become an Astroid tree"""
 
-    _visit_meths = {}
     def __init__(self):
-        self.init()
-
-    def init(self):
         self.asscontext = None
         self._metaclass = ['']
         self._global_names = []
         self._from_nodes = []
         self._delayed_assattr = []
+        self._visit_meths = {}
 
     def visit(self, node, parent):
         cls = node.__class__