def get_key_direct(flux_handle, key):
valp = ffi.new('char *[1]')
_raw.get(flux_handle, key, valp)
if valp[0] == ffi.NULL:
return None
else:
return json.loads(ffi.string(valp[0]))
def watch_once(flux_handle, key):
""" Watches the selected key until the next change, then returns the updated value of the key """
if isdir(flux_handle, key):
d = get_dir(flux_handle)
# The wrapper automatically unpacks d's handle
_raw.watch_once_dir(flux_handle, d)
return d
else:
out_json_str = ffi.new('char *[1]')
_raw.watch_once(flux_handle, key, out_json_str)
if out_json_str[0] == ffi.NULL:
return None
else:
return json.loads(ffi.string(out_json_str[0]))
def __init__(self, flux_handle=None, path='.', handle=None):
self.handle = None
if flux_handle is None and handle is None: # pragma: no cover
raise ValueError(
"flux_handle must be a valid Flux object or handle must be a valid kvsdir cdata pointer")
if handle is None:
d = ffi.new("kvsdir_t *[1]")
_raw.kvs_get_dir(flux_handle, d, path)
handle = d[0]
super(self.__class__, self).__init__(ffi, lib,
handle=handle,
match=ffi.typeof('kvsdir_t *'),
prefixes=[
'kvsdir_',
], )
def __init__(self, flux_handle=None, path='.', handle=None):
super(self.__class__, self).__init__(ffi, lib,
handle=handle,
match=ffi.typeof('kvsdir_t *'),
prefixes=[
'kvsdir_',
],
destructor=_raw.kvsdir_destroy)
if flux_handle is None and handle is None: # pragma: no cover
raise ValueError(
"flux_handle must be a valid Flux object or handle must be a valid kvsdir cdata pointer")
if handle is None:
d = ffi.new("kvsdir_t *[1]")
_raw.kvs_get_dir(flux_handle, d, path)
self.handle = d[0]
if self.handle is None or self.handle == ffi.NULL:
raise EnvironmentError("No such file or directory")
def __init__(self, flux_handle=None, path='.', handle=None):
self.handle = None
if flux_handle is None and handle is None: # pragma: no cover
raise ValueError(
"flux_handle must be a valid Flux object or handle must be a valid kvsdir cdata pointer"
)
if handle is None:
d = ffi.new("kvsdir_t *[1]")
_raw.kvs_get_dir(flux_handle, d, path)
handle = d[0]
super(self.__class__, self).__init__(
ffi,
lib,
handle=handle,
match=ffi.typeof('kvsdir_t *'),
prefixes=[
'kvsdir_',
],
)
