"""Constants for sales sheets history.""" ALLOWED_GENERATION_METHODS = ['single', 'zip'] GENERATION_STATUSES = ['requested', 'in_progress', 'completed', 'error'] ALLOWED_CONTEXT_TYPES = ['display_upc', 'upc', 'release_id'] GENERATION_METHOD = 'generation_method' REQUESTED = 'requested' UPCS = 'upcs' COMPLETED = 'completed' IN_PROGRESS = 'in_progress' ERROR = 'error'