def __iter__(self):
backend_options = sorted(
[(k, Markup(f'<b>{k.capitalize()}</b><br>{v.__doc__.strip()}'))
for k, v in get_backends().items()],
key=operator.itemgetter(1))
for backend_option in backend_options:
yield backend_option
def get_backend(state):
backend_name = None
backend_field_name = f'{state.type}_backend_settings'
if state.account and getattr(state.account, backend_field_name):
backend_name = state.account[backend_field_name].get('_backend')
else:
backend_name = request.values.get('backend')
if backend_name:
state.backend = get_backends().get(backend_name)
def flax_status(self, request):
"""Get the status of the flax server.
"""
import version
backend_list = backends.get_backends()
backend_versions = dict(
(name, backend.version_info()) for name, backend in backend_list)
return {
'versions': {
'SERVER': version.SERVER_VERSION,
'PROTOCOL': version.PROTOCOL_VERSION,
},
'backends': backend_versions,
}
def _do_status(status, docker):
"""
Call the 'status' callback on all registered backends.
:param status: 'start', 'stop' or similar
:param docker:
:return:
"""
for backend in get_backends():
cb = None
if hasattr(backend, status):
cb = getattr(backend, status)
try:
if cb and hasattr(cb, '__call__'):
logger.debug('Calling backend {!r}:{!s}'.format(backend, status))
cb(docker.info)
else:
if hasattr(backend, '__call__'):
# backend has a default __call__ function for all statuses
logger.debug('Calling backend {!r} ({!r})'.format(backend, status))
backend(status, docker.info)
except Exception:
logger.exception('Backend {!r} failed status()'.format(backend))
def get_backends():
""" Return a list of dictionaries describing the available backends.
"""
return backends.get_backends()
