Das deutsche Python-Forum

Code: Alles auswählen

class Tag(object):
	def __init__(self, name):
		self.name = name
	
	@staticmethod
	def add_tags_by_string(tag_string, entry):
		# check for tag separator..
		split_char = ',' if ',' in tag_string else ' '
		tags = [ tag.strip() for tag in tag_string.split(split_char) ]
		# check for already existing tags...
		existant_tags = session.query(Tag).filter(Tag.name.in_(tags)).all()
		existant_tag_names = [ tag.name for tag in existant_tags ]
		not_exitant_tags = [ Tag(tag) for tag in tags if tag not in existant_tag_names ]
		# create not existant tags...
		session.add_all(not_exitant_tags)
		session.flush()
		# add all tags to the entry...