def create_system_from_xml(input_file):
"""
Reads system configuration from param:`xml_system`
and returns cls:`System` instances.
"""
from lxml import objectify
root = objectify.fromstring(input_file.read())
for s in root.iterfind('system'):
system = System(**dict(s.items()))
for c in s.iterfind('component'):
component = Component(**dict(c.items()))
for t in c.iterfind('task'):
task = Task(**dict(t.items()))
component.addTask(task)
system.addComponent(component)
if args.path:
system.path = args.path
yield system
if args.communication_server:
yield add_server(
system,
component_period=args.communication_server_period,
component_priority=args.communication_server_priority,
component_budget=args.communication_server_budget,
tasks=tasks)
def generate_systems():
for s in range(args.systems):
for i in range(1000):
system = rand_system(**vars(args))
## assign system data path
if args.path:
system.path = args.path
## add communication server to copy of the system
if args.communication_server:
copy_system = add_server(
system,
component_period=args.communication_server_period,
component_priority=args.communication_server_priority,
component_budget=args.communication_server_budget,
tasks=tasks)
## check system and its copy if communication server is added
if check_system(system) and (not args.communication_server or
check_system(copy_system)):
yield system
if args.communication_server:
yield copy_system
break
if args.verbose:
print i, ' ...'
