def get_result(self, group, name):
"""Return 'result' in 'results/group' that was saved by
the save_result() method."""
with h5py.File(self.h5_path, 'r') as h5_file:
if not group in h5_file['results']:
raise Exception('The result group \'%s\' does not exist'%group)
if not name in h5_file['results'][group].attrs.keys():
raise Exception('The result \'%s\' does not exist'%name)
return get_attribute(h5_file['results'][group], name)
def pre_transition_to_buffered(self, h5_filepath):
# Delay according to the settings of the previously run shot, and save the
# settings for the upcoming shot:
self.target_cycle_time = self.next_target_cycle_time
self.delay_after_programming = self.next_delay_after_programming
with h5py.File(h5_filepath) as f:
try:
group = f['shot_properties']
except KeyError:
# Nothing for us to do
return
self.next_target_cycle_time = get_attribute(group, 'target_cycle_time')
self.next_delay_after_programming = get_attribute(
group, 'cycle_time_delay_after_programming'
)
if not self.delay_after_programming:
self.do_delay(h5_filepath)
def get_result(self, group, name):
"""Retrieve result from prior calculation.
Args:
group (str): Group to look in for the result. Typically the name of
the analysis script that created it.
name (str): Name of the result.
Raises:
Exception: If `group` or `name` do not already exist.
Returns:
: Result with appropriate type, as determined by
:obj:`labscript-utils:labscript_utils.properties.get_attribute`.
"""
with h5py.File(self.h5_path, 'r') as h5_file:
if not group in h5_file['results']:
raise Exception('The result group \'%s\' does not exist' %
group)
if not name in h5_file['results'][group].attrs.keys():
raise Exception('The result \'%s\' does not exist' % name)
return get_attribute(h5_file['results'][group], name)
