Warn if use_builtin_types is False

2019-10-14 11:04:52 +01:00 · 2019-10-14 11:04:52 +01:00 · 6b9eefcf48
commit 6b9eefcf48
parent 6da6a2c377
1 changed files with 7 additions and 0 deletions
--- a/Lib/fontTools/misc/plistlib.py
+++ b/Lib/fontTools/misc/plistlib.py
@ -1,5 +1,6 @@
 import sys
 import re
+import warnings
 from io import BytesIO
 from datetime import datetime
 from base64 import b64encode, b64decode
@ -149,6 +150,12 @@ class PlistTarget:
        if use_builtin_types is None:
            self._use_builtin_types = USE_BUILTIN_TYPES
        else:
+            if use_builtin_types is False:
+                warnings.warn(
+                    "Setting use_builtin_types to False is deprecated and will be "
+                    "removed soon.",
+                    DeprecationWarning,
+                )
            self._use_builtin_types = use_builtin_types
        self._dict_type = dict_type