def FromJsonString(self, value):
    self.Clear()
    for path in value.split(','):
      self.paths.append(path)
Converts string to FieldMask according to proto3 JSON spec.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/net/proto2/python/internal/well_known_types.py/FieldMask.FromJsonString