Adds script for verifying font files

1 files changed, 32 insertions, 0 deletions

diff --git a/misc/pylib/extractor/tools.py b/misc/pylib/extractor/tools.py
new file mode 100755
index 000000000..f0750d7c3
--- /dev/null
+++ b/misc/pylib/extractor/tools.py
@@ -0,0 +1,32 @@
+from ufoLib import fontInfoAttributesVersion3, validateFontInfoVersion3ValueForAttribute
+
+
+class RelaxedInfo(object):
+
+    """
+    This object that sets only valid info values
+    into the given info object.
+    """
+
+    def __init__(self, info):
+        self._object = info
+
+    def __getattr__(self, attr):
+        if attr in fontInfoAttributesVersion3:
+            return getattr(self._object, attr)
+        else:
+            return super(RelaxedInfo, self).__getattr__(attr)
+
+    def __setattr__(self, attr, value):
+        if attr in fontInfoAttributesVersion3:
+            if validateFontInfoVersion3ValueForAttribute(attr, value):
+                setattr(self._object, attr, value)
+        else:
+            super(RelaxedInfo, self).__setattr__(attr, value)
+
+
+def copyAttr(src, srcAttr, dest, destAttr):
+    if not hasattr(src, srcAttr):
+        return
+    value = getattr(src, srcAttr)
+    setattr(dest, destAttr, value)