def setup_error(cls, error):
'''
Sample configuration::
error:
404:
path: template.json # Use a template
autoescape: false # with no autoescape
whitespace: single # as a single line
headers:
Content-Type: application/json
500:
function: module.fn
args: [=status_code, =kwargs, =handler]
'''
if not error:
return
if not isinstance(error, dict):
return app_log.error('url:%s.error is not a dict', cls.name)
# Compile all errors handlers
cls.error = {}
for error_code, error_config in error.items():
try:
error_code = int(error_code)
if error_code < 100 or error_code > 1000:
raise ValueError()
except ValueError:
app_log.error('url.%s.error code %s is not a number (100 - 1000)',
cls.name, error_code)
continue
if not isinstance(error_config, dict):
return app_log.error('url:%s.error.%d is not a dict', cls.name, error_code)
# Make a copy of the original. When we add headers, etc, it shouldn't affect original
error_config = AttrDict(error_config)
error_path, error_function = error_config.get('path'), error_config.get('function')
if error_function:
if error_path:
error_config.pop('path')
app_log.warning('url.%s.error.%d has function: AND path:. Ignoring path:',
cls.name, error_code)
cls.error[error_code] = {'function': build_transform(
error_config,
vars=AttrDict((('status_code', None), ('kwargs', None), ('handler', None))),
filename='url:%s.error.%d' % (cls.name, error_code)
)}
elif error_path:
encoding = error_config.get('encoding', 'utf-8')
cls.error[error_code] = {'function': cls._error_fn(error_code, error_config)}
mime_type, encoding = mimetypes.guess_type(error_path, strict=False)
if mime_type:
error_config.setdefault('headers', {}).setdefault('Content-Type', mime_type)
else:
app_log.error('url.%s.error.%d must have a path or function key',
cls.name, error_code)
# Add the error configuration for reference
if error_code in cls.error:
cls.error[error_code]['conf'] = error_config
cls._write_error, cls.write_error = cls.write_error, cls._write_custom_error
def get_app_config(appname, args):
'''
Get the stored configuration for appname, and override it with args.
``.target`` defaults to $GRAMEXDATA/apps/<appname>.
'''
apps_config['cmd'] = {appname: args}
app_config = AttrDict((+apps_config).get(appname, {}))
app_config.setdefault('target', str(app_dir / app_config.get('target', appname)))
app_config.target = os.path.abspath(app_config.target)
return app_config
def save_user_config(appname, value):
user_config = AttrDict()
if user_conf_file.exists():
with user_conf_file.open(encoding='utf-8') as handle:
user_config = yaml.safe_load(handle)
if value is None:
if appname in user_config:
del user_config[appname]
else:
app_config = user_config.setdefault(appname, AttrDict())
app_config.update({key: value[key] for key in app_keys if key in value})
with user_conf_file.open(mode='w', encoding='utf-8') as handle:
yaml.safe_dump(user_config, handle, indent=4, default_flow_style=False)
