Work around bug #76 decoding particular MS+ effect

mungewell · Sep 13, 2024 · 4d250d9 · 4d250d9
1 parent 98e82f8
commit 4d250d9
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/zoomzt2.py b/zoomzt2.py
@@ -89,7 +89,11 @@
 TXE1 = Struct(
     Const(b"TXE1"),
     "length" / Int32ul,
-    "description" / PaddedString(this.length, "ascii"),
+    "peekdescription" / Peek(FixedSized(this.length, PaddedString(this.length, "ascii"))),
+    "description" /  IfThenElse(lambda ctx: ctx.peekdescription == None,
+         "description" / Bytes(this.length),
+         "description" / PaddedString(this.length, "ascii"),
+    ),
 )
 
 INFO = Struct(