X-Git-Url: https://git.yukkurigames.com/?p=python-bulletml.git;a=blobdiff_plain;f=bulletml%2Fparser.py;h=edb9d29e4c544bae3506e1681cbe25141a78c1db;hp=b39437ac8dd951d3c20def3b6523c2b68f12f1ed;hb=ba81e7d74da58dc8dfa47949502d2a2759c84309;hpb=573df3f5c6e2840af647994e458c9965f7594ee0

diff --git a/bulletml/parser.py b/bulletml/parser.py
index b39437a..edb9d29 100644
--- a/bulletml/parser.py
+++ b/bulletml/parser.py
@@ -443,22 +443,25 @@ class BulletML(object):
         fire=FireDef,
         )
 
-    def __init__(self, source):
+    def __init__(self, type="none", bullets={}, fires={}, actions={}):
+        self.type = type
         self.bullets = {}
         self.actions = {}
         self.fires = {}
 
-        self._bullet_refs = []
-        self._action_refs = []
-        self._fire_refs = []
-
+    @classmethod
+    def FromDocument(cls, source):
         if isinstance(source, (str, unicode)):
             source = StringIO(source)
 
         tree = ElementTree()
         root = tree.parse(source)
 
-        self.type = root.get("type", "none")
+        self = cls(type=root.get("type", "none"))
+
+        self._bullet_refs = []
+        self._action_refs = []
+        self._fire_refs = []
 
         for element in root.getchildren():
             tag = realtag(element)
@@ -483,6 +486,8 @@ class BulletML(object):
         self.actions.pop(None, None)
         self.fires.pop(None, None)
 
+        return self
+
     @property
     def top(self):
         """Get a list of all top-level actions."""