diff options
Diffstat (limited to 'Lib/fontTools/ufoLib/glifLib.py')
| -rwxr-xr-x | Lib/fontTools/ufoLib/glifLib.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/fontTools/ufoLib/glifLib.py b/Lib/fontTools/ufoLib/glifLib.py index 385f54bf..3003110e 100755 --- a/Lib/fontTools/ufoLib/glifLib.py +++ b/Lib/fontTools/ufoLib/glifLib.py @@ -135,6 +135,7 @@ class GlyphSet(_UFOBaseIO): ufoFormatVersion=None, validateRead=True, validateWrite=True, + expectContentsFile=False, ): """ 'path' should be a path (string) to an existing local directory, or @@ -148,6 +149,9 @@ class GlyphSet(_UFOBaseIO): ``validateRead`` will validate read operations. Its default is ``True``. ``validateWrite`` will validate write operations. Its default is ``True``. + ``expectContentsFile`` will raise a GlifLibError if a contents.plist file is + not found on the glyph set file system. This should be set to ``True`` if you + are reading an existing UFO and ``False`` if you create a fresh glyph set. """ try: ufoFormatVersion = UFOFormatVersion(ufoFormatVersion) @@ -191,6 +195,8 @@ class GlyphSet(_UFOBaseIO): self.fs = filesystem # if glyphSet contains no 'contents.plist', we consider it empty self._havePreviousFile = filesystem.exists(CONTENTS_FILENAME) + if expectContentsFile and not self._havePreviousFile: + raise GlifLibError(f"{CONTENTS_FILENAME} is missing.") # attribute kept for backward compatibility self.ufoFormatVersion = ufoFormatVersion.major self.ufoFormatVersionTuple = ufoFormatVersion |