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"""
Dummy database backend for Django.
Django uses this if the DATABASE_ENGINE setting is empty (None or empty string).
Each of these API functions, except connection.close(), raises
ImproperlyConfigured.
"""
from django.core.exceptions import ImproperlyConfigured
def complain(*args, **kwargs):
raise ImproperlyConfigured, "You haven't set the DATABASE_ENGINE setting yet."
def ignore(*args, **kwargs):
pass
class DatabaseError(Exception):
pass
class IntegrityError(DatabaseError):
pass
class DatabaseWrapper:
cursor = complain
_commit = complain
_rollback = ignore
def __init__(self, **kwargs):
pass
def close(self):
pass # close()
supports_constraints = False
supports_tablespaces = False
quote_name = complain
dictfetchone = complain
dictfetchmany = complain
dictfetchall = complain
get_last_insert_id = complain
get_date_extract_sql = complain
get_date_trunc_sql = complain
get_datetime_cast_sql = complain
get_limit_offset_sql = complain
get_random_function_sql = complain
get_deferrable_sql = complain
get_fulltext_search_sql = complain
get_drop_foreignkey_sql = complain
get_pk_default_value = complain
get_max_name_length = ignore
get_start_transaction_sql = complain
get_autoinc_sql = complain
get_sql_flush = complain
get_sql_sequence_reset = complain
OPERATOR_MAPPING = {}
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