Add absolute import detection

test/test_absolute_import.py

@@ -0,0 +1,27 @@
+from jedi.parsing import Parser
+from jedi._compatibility import is_py3k; is_py3k # shut up pyflakes
+from . import base
+
+@base.py3_only
+def test_py3k_imports_are_always_absolute():
+    """
+    By default, imports in Python 3 are absolute.
+    """
+    parser = Parser("1", "test.py")
+    assert parser.scope.absolute_imports
+
+@base.py2_only
+def test_py2_imports_are_not_always_absolute():
+    """
+    By default, imports in Python 2 are not absolute.
+    """
+    parser = Parser("1", "test.py")
+    assert not parser.scope.absolute_imports
+
+def test_imports_are_absolute_in_modules_with_future_import():
+    """
+    In any module with the ``absolute_import`` ``__future__`` import, all
+    imports are absolute.
+    """
+    parser = Parser("from __future__ import absolute_import", "test.py")
+    assert parser.scope.absolute_imports