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 create_system_from_xml(xml_system, output=True):
"""
Reads system configuration from param:`xml_system`
and returns cls:`System` instance.
"""
system = System(scheduler=xml_system.global_sched,
resolution=xml_system.resolution)
for c in xml_system.iterfind('component'):
component = Component(c.cname, c.cperiod, c.cpriority,
float(str(c.budget).replace(',', '.')),
c.localsched, cargs.payback)
system.addComponent(component)
if output:
print 'Component:'
print 'name', 'period', 'budget', 'priority'
print c.cname, c.cperiod, c.budget, c.cpriority
print 'Tasks:'
print 'name', 'period', 'priority', 'execution time'
for t in c.iterfind('task'):
if output:
print t.tname, t.tperiod, t.tpriority, t.texetime
component.addTask(Task(t.tname,
float(str(t.tperiod).replace(',', '.')),
int(t.tpriority),
float(str(t.texetime).\
replace(',', '.'))))
if output:
print '------------------------------------'
system.path = cargs.path if len(cargs.path) > 0 \
else range(len(system.tasks))
return system
