def command_line_config(self):
"""
settings.py is the basis
if wants to change them by command line arguments,
the existing option will be transformed to the value type in settings.py
the unexisting option will be treated as string by default,
and transform to certain type if `!<type>` was added after the value.
example:
$ python app.py --PORT=1000
NOTE This method is deprecated, use `torext.script` to parse command line arguments instead.
"""
args = sys.argv[1:]
args_dict = {}
existed_keys = []
new_keys = []
for t in args:
if not t.startswith('--'):
raise errors.ArgsParseError('Bad arg: %s' % t)
try:
key, value = tuple(t[2:].split('='))
except:
raise errors.ArgsParseError('Bad arg: %s' % t)
args_dict[key] = value
if key in settings:
existed_keys.append(key)
else:
new_keys.append(key)
if existed_keys:
app_log.debug('Changed settings:')
for i in existed_keys:
before = settings[i]
type_ = type(before)
if type_ is bool:
if args_dict[i] == 'True':
_value = True
elif args_dict[i] == 'False':
_value = False
else:
raise errors.ArgsParseError('%s should only be True or False' % i)
else:
_value = type_(args_dict[i])
settings[i] = _value
app_log.debug(' %s [%s]%s (%s)', i, type(settings[i]), settings[i], before)
if new_keys:
app_log.debug('New settings:')
for i in new_keys:
settings[i] = args_dict[i]
app_log.debug(' %s %s', i, args_dict[i])
# NOTE if ``command_line_config`` is called, logging must be re-configed
self.update_settings({})
def _convert_type(raw, before):
type_ = type(before)
if type_ is bool:
if raw == 'True':
value = True
elif raw == 'False':
value = False
else:
raise errors.ArgsParseError('Should only be True or False, got: %s' % raw)
else:
value = type_(raw)
return value