intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 39 insertions, 0 deletions

diff --git a/contrib/python/ipython/py2/IPython/utils/importstring.py b/contrib/python/ipython/py2/IPython/utils/importstring.py
new file mode 100644
index 0000000000..c8e1840eb3
--- /dev/null
+++ b/contrib/python/ipython/py2/IPython/utils/importstring.py
@@ -0,0 +1,39 @@
+# encoding: utf-8
+"""
+A simple utility to import something by its string name.
+"""
+
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+
+def import_item(name):
+    """Import and return ``bar`` given the string ``foo.bar``.
+
+    Calling ``bar = import_item("foo.bar")`` is the functional equivalent of
+    executing the code ``from foo import bar``.
+
+    Parameters
+    ----------
+    name : string
+      The fully qualified name of the module/package being imported.
+
+    Returns
+    -------
+    mod : module object
+       The module that was imported.
+    """
+    
+    parts = name.rsplit('.', 1)
+    if len(parts) == 2:
+        # called with 'foo.bar....'
+        package, obj = parts
+        module = __import__(package, fromlist=[obj])
+        try:
+            pak = getattr(module, obj)
+        except AttributeError:
+            raise ImportError('No module named %s' % obj)
+        return pak
+    else:
+        # called with un-dotted string
+        return __import__(parts[0])