From fc1ce6d39bd5dac86111276eae26de407a194ce6 Mon Sep 17 00:00:00 2001
From: Alice Bevan-McGregor <alice@gothcandy.com>
Date: Wed, 3 Apr 2013 15:00:51 -0400
Subject: [PATCH] Allow construction of document instances using positional
 arguments.

---
 mongoengine/base.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/mongoengine/base.py b/mongoengine/base.py
index 2f956ccf..36d7c295 100644
--- a/mongoengine/base.py
+++ b/mongoengine/base.py
@@ -907,7 +907,17 @@ class BaseDocument(object):
     _dynamic_lock = True
     _initialised = False
 
-    def __init__(self, **values):
+    def __init__(self, *args, **values):
+        if args:
+            # Combine positional arguments with named arguments.
+            # We only want named arguments.
+            field = iter(self._fields_ordered)
+            for value in args:
+                name = next(field)
+                if name in values:
+                    raise TypeError("Multiple values for keyword argument '" + name + "'")
+                values[name] = value
+        
         signals.pre_init.send(self.__class__, document=self, values=values)
 
         self._data = {}