from django.core.management.color import no_style
from django.db import connection


def sqlsequencereset(models, conn=connection):
    """
    Update sequences of fields of `models`.

    This function should be called after manually assigning a value to an
    `AutoField`.
    https://docs.djangoproject.com/en/1.11/ref/databases/#manually-specifying-values-of-auto-incrementing-primary-keys
    """
    sequence_sql = conn.ops.sequence_reset_sql(no_style(), models)
    if sequence_sql:
        with conn.cursor() as cursor:
            for line in sequence_sql:
                cursor.execute(line)