1 files changed, 29 insertions, 0 deletions
diff --git a/share/extensions/text_randomcase.py b/share/extensions/text_randomcase.py
new file mode 100755
index 0000000..208cade
--- /dev/null
+++ b/share/extensions/text_randomcase.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+"""Randomise the case of the letters."""
+
+import random
+import inkex
+
+class RandomCase(inkex.TextExtension):
+    """Randomise the case of the text (with bias)"""
+    previous_case = 1
+
+    def map_char(self, char):
+        # bias the randomness towards inversion of the previous case:
+        # We use this weird way to get from a random set because
+        # python2 and python3 have different ways of seeding
+        if self.previous_case > 0:
+            case = [-2, -1, 1][int(random.random() * 3)]
+        else:
+            case = [-1, 1, 2][int(random.random() * 3)]
+
+        if char.isalpha():
+            self.previous_case = case
+            if case > 0:
+                return char.upper()
+            elif case < 0:
+                return char.lower()
+        return char
+
+if __name__ == '__main__':
+    RandomCase().run()