def run(self):
try:
# parse configuration
self.config = Configuration(self.config_file_name)
except FileNotFoundError as e:
print("[Error] File not found: {}".format(e.filename))
exit(1)
#variables = self.config.get_variables()
#pprint(variables)
#tasks = self.config.get_tasks()
#pprint(tasks)
# change to low priority
process = psutil.Process()
if os.name is "nt":
process.nice(psutil.BELOW_NORMAL_PRIORITY_CLASS)
else:
process.nice(10) # should about be the same as BELOW_NORMAL_PRIORITY_CLASS
self.runner = Runner(self.max_workers)
self.runner.add_tasks(self.config.get_tasks())
if self.interactive_mode:
import curses # http://www.lfd.uci.edu/~gohlke/pythonlibs/#curses
curses.wrapper(self.interactive_screen)
else:
self.runner.run()
class Simr:
program_description = 'Simr v0.0.2'
config = None
runner = None
processing_units = 0
max_workers = 0
interactive_mode = False
config_file_name = ""
curses_screen = None
def __init__(self):
self.processing_units = multiprocessing.cpu_count()
print("Processing units found: {}".format(self.processing_units))
self.max_workers = self.processing_units
def set_max_workers(self, max_workers):
self.max_workers = max_workers
print("Max workers set to: {}".format(self.max_workers))
def set_interactive_mode(self, interactive_mode):
self.interactive_mode = interactive_mode
if interactive_mode:
print("Interactive mode: {}".format(self.interactive_mode))
def set_config_file_name(self, config_file_name):
self.config_file_name = config_file_name
print("Config file: {}".format(self.config_file_name))
def interactive_screen(self, win):
try:
import curses
except ImportError:
print("Could not import curses. Please install: http://www.lfd.uci.edu/~gohlke/pythonlibs/#curses")
exit(1)
self.curses_screen = win
curses.noecho()
curses.cbreak()
curses.curs_set(False)
self.curses_screen.keypad(1)
self.curses_screen.nodelay(1)
self.curses_screen.timeout(1000)
counter = 1
# draw screen
self.curses_screen.box()
self.curses_screen.addstr(0, 1, " {} ".format(Simr.program_description))
self.curses_screen.addstr(4, 1, "Press up, down, or q")
y, x = self.curses_screen.getmaxyx()
self.curses_screen.hline(2, 1, curses.ACS_HLINE, x - 2)
# flush any input
curses.flushinp()
while 1:
self.curses_screen.addstr(1, 1, "Max workers: {}".format(self.max_workers))
self.curses_screen.addstr(3, 1, "Counter: {}".format(counter))
self.curses_screen.refresh()
c = self.curses_screen.getch()
if c == ord('q'):
self.curses_screen.clear()
return 0
elif c == curses.KEY_UP:
self.max_workers += 1
if self.max_workers > self.processing_units:
self.max_workers = self.processing_units
elif c == curses.KEY_DOWN:
self.max_workers -= 1
if self.max_workers < 0:
self.max_workers = 0
pass
counter += 1
def run(self):
try:
# parse configuration
self.config = Configuration(self.config_file_name)
except FileNotFoundError as e:
print("[Error] File not found: {}".format(e.filename))
exit(1)
#variables = self.config.get_variables()
#pprint(variables)
#tasks = self.config.get_tasks()
#pprint(tasks)
# change to low priority
process = psutil.Process()
if os.name is "nt":
process.nice(psutil.BELOW_NORMAL_PRIORITY_CLASS)
else:
process.nice(10) # should about be the same as BELOW_NORMAL_PRIORITY_CLASS
self.runner = Runner(self.max_workers)
self.runner.add_tasks(self.config.get_tasks())
if self.interactive_mode:
import curses # http://www.lfd.uci.edu/~gohlke/pythonlibs/#curses
curses.wrapper(self.interactive_screen)
else:
self.runner.run()