Add utils.pipe().

pixelocr/utils.py

@@ -63,3 +63,9 @@ def neighbourhood(lst, index, window=5):
     before = lst[:index]
     after = lst[index + 1:]
     return before[-window:] + after[:window]
+
+
+def pipe(value, *funcs):
+    for func in funcs:
+        value = func(value)
+    return value