in src/gcf/main.py [0:0]
def get_feature_by_name(feature_name: str) -> Optional[vision.Feature.Type]:
"""Gets a vision feature if it exists.
Args:
feature_name: Vision feature name.
Returns:
feature: a vision.Feature.Type matching name.
"""
for feature in vision.Feature.Type:
if feature.name == feature_name:
return feature
return None