Field.error_messages The error_messages argument lets you override the default messages that the field will raise

class Upper(expression, **extra) [source] Accepts a single text field or expression and returns

get_db_prep_value(value, connection, prepared=False) [source] Converts value

latest(field_name=None) Returns the latest object in the table, by date, using the field_name provided as the date

db_type(connection) [source] Returns the database column data type for the Field

last() Works like first(), but returns the last object in the queryset.

class Prefetch(lookup, queryset=None, to_attr=None) [source] The Prefetch()

Model.full_clean(exclude=None, validate_unique=True) [source] This method calls Model

class StdDev(expression, sample=False, **extra) [source] Returns the standard deviation of

Field.many_to_many Boolean flag that is True if the field has a many-to-many relation; False otherwise