def insert_or_update_global(self, key, value, type, description,
can_override):
'''
Args:
key -- string
value -- mixed
type -- instance of ConfigurationValueType
description -- string
can_override -- bool
'''
assert isinstance(type, ConfigurationValueType)
value_str = Config.Option.serialize(value, type)
try:
option = Configuration.objects.get(key=key)
except Configuration.DoesNotExist:
# insert
option = Configuration(key=key,
value=value_str,
description=description,
type=type,
can_override=can_override)
option.save()
else:
# update
option.value = value_str
option.type = type
option.description = description
option.can_override = can_override
option.save()
del self._cached_data[key]
def insert_or_update_global(self, key, value, type, description, can_override):
'''
Args:
key -- string
value -- mixed
type -- instance of ConfigurationValueType
description -- string
can_override -- bool
'''
assert isinstance(type, ConfigurationValueType)
value_str = Config.Option.serialize(value, type)
try:
option = Configuration.objects.get(key=key)
except Configuration.DoesNotExist:
# insert
option = Configuration(key=key, value=value_str, description=description, type=type, can_override=can_override)
option.save()
else:
# update
option.value = value_str
option.type = type
option.description = description
option.can_override = can_override
option.save()
del self._cached_data[key]
def get_description(self, key):
'''
Gets description of given key.
'''
try:
result = Configuration.objects.get(key=key)
except Configuration.DoesNotExist, e:
raise Configuration.DoesNotExist(e.args + (key, ))
def set_can_override(self, key, can_override):
'''
Sets whether key can be overriden.
'''
try:
option = Configuration.objects.get(key=key)
except Configuration.DoesNotExist, e:
raise Configuration.DoesNotExist(e.args + (key, ))
def set_description(self, key, desc):
'''
Sets description of given key.
Description is set in Configuration, so this option is not for normal users. Also no permissions are checked.
'''
try:
result = Configuration.objects.get(key=key)
except Configuration.DoesNotExist, e:
raise Configuration.DoesNotExist(e.args + (key, ))
def get_type(self, key):
'''
Returns type of value associated with key.
Args:
key -- str
'''
try:
result = Configuration.objects.select_related().get(key=key)
except Configuration.DoesNotExist, e:
raise Configuration.DoesNotExist(e.args + (key, ))
def set_type(self, key, type):
'''
Sets type for value for given key.
Args:
key -- str
type -- instance of ConfigurationValueType
'''
assert isinstance(type, ConfigurationValueType)
try:
result = Configuration.objects.get(key=key)
except Configuration.DoesNotExist, e:
raise Configuration.DoesNotExist(e.args + (key, ))
def get_option(self, key):
'''
Returns Config.Option instance associated with key.
Raises:
Configuration.DoesNotExist, if key is not found.
'''
if key in self._cached_data:
return self._cached_data[key]
else:
# look for key, if it exists at all
try:
Configuration.objects.get(key=key)
except Configuration.DoesNotExist, e:
raise Configuration.DoesNotExist(e.args + (key, ))
# now we know that key is there
self._fill_cache()
assert key in self._cached_data, self._cached_data
return self._cached_data[key]