Add importmagic script

bin/importmagic

@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+"""
+Update python imports using importmagic.
+"""
+
+import os
+import argparse
+import sys
+
+import importmagic
+
+
+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument('file_name')
+parser.add_argument(
+    '--refresh',
+    action='store_true',
+    help='If set, forces a refresh of the importmagic index.'
+)
+parser.add_argument(
+    '--exclude-current-path',
+    action='store_true',
+    help='If set, will not automatically add the current directory'
+    ' to the import path when building the index.'
+)
+
+args = parser.parse_args()
+
+path = sys.path if args.exclude_current_path else sys.path + [os.getcwd()]
+
+index = importmagic.SymbolIndex()
+index.get_or_create_index(paths=path, refresh=args.refresh)
+
+with open(args.file_name) as f:
+    python_source = f.read()
+
+scope = importmagic.Scope.from_source(python_source)
+
+unresolved, unreferenced = scope.find_unresolved_and_unreferenced_symbols()
+python_source = importmagic.update_imports(python_source, index, unresolved, unreferenced)
+
+with open(args.file_name, 'w') as f:
+    f.write(python_source)

setup.py

@@ -40,4 +40,5 @@ def run(self):
         'setuptools >= 0.6b1',
     ],
     cmdclass={'test': PyTest},
+    scripts=['bin/importmagic'],
 )