update_fileinfo, mostly addresses issue 12

box/client.py

@@ -610,6 +610,19 @@ def copy_file(self, file_id, destination_parent, new_filename=None):
             data['name'] = new_filename
 
         return self._request("post", 'files/{}/copy'.format(file_id), data=data).json()
+    def update_fileinfo(self, file_id, fileinfo):
+        """
+        Updates file info:
+            includes renaming, moving
+
+        Args:
+            - file_id: the id of the file we want to update
+            - fileinfo: dictionary containing the information to be updated
+
+        Returns:
+            - a dictionary with the new file metadata
+        """
+        return self._request("put", 'files/{}'.format(file_id), data=fileinfo).json()
 
     def share_link(self, file_id, access=ShareAccess.OPEN, expire_at=None, can_download=None, can_preview=None):
         """

tests/test_client.py

@@ -499,6 +499,11 @@ def test_copy_file(self):
         result = client.copy_file(123, 666, 'goatse.cx')
         self.assertEqual({'id': '1'}, result)
 
+    def test_update_fileinfo(self):
+        client = self.make_client("put", 'files/123', data={'name': 'goodbye'}, result={'name': 'goodbye'})
+        result = client.update_fileinfo('123', {'name': 'goodbye'})
+        self.assertEqual({'name': 'goodbye'}, result)
+
     def test_share_link(self):
         # defaults
         args = {