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i3pystatus.core.threads ; some smaller changes.

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This commit is contained in:
enkore 2013-03-02 17:34:32 +01:00
parent 2bad329d13
commit 3ebcbec4e1
2 changed files with 18 additions and 25 deletions
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4
i3pystatus/core/modules.py
View File

@ -35,10 +35,10 @@ class IntervalModule(Module):
def registered(self, status_handler):
if self.interval in IntervalModule.managers:
IntervalModule.managers[self.interval].add(self)
IntervalModule.managers[self.interval].append(self)
else:
am = AutomagicManager(self.interval)
am.add(self)
am.append(self)
IntervalModule.managers[self.interval] = am
def __call__(self):

39
i3pystatus/core/threads.py
View File

@ -3,26 +3,22 @@ import sys
import threading
import time
import traceback
import collections
if hasattr(time, "perf_counter"):
timer = time.perf_counter
else:
timer = time.clock
class StderrExcDelegate:
def __call__(self, exc):
traceback.print_exception(*sys.exc_info(), file=sys.stderr)
class ExceptionWrapper:
def __init__(self, workload, exc_delegate):
def __init__(self, workload):
self.workload = workload
self.exc_delegate = exc_delegate
def __call__(self):
try:
self.workload()
except Exception as exc:
self.exc_delegate(exc)
traceback.print_exception(*sys.exc_info(), file=sys.stderr)
def __repr__(self):
return repr(self.workload)
@ -41,30 +37,30 @@ class WorkloadWrapper:
return repr(self.workload)
class Thread(threading.Thread):
def __init__(self, target_interval, workloads=None):
def __init__(self, target_interval, workloads=None, start_barrier=1):
super().__init__()
self.workloads = workloads if workloads is not None else []
self.target_interval = target_interval
self.start_barrier = start_barrier
self.daemon = True
def __iter__(self):
return iter(self.workloads)
def __len__(self):
return len(self.workloads)
def pop(self):
return self.workloads.pop()
def push(self, workload):
def append(self, workload):
self.workloads.append(workload)
def run(self):
while self.workloads:
for workload in self.workloads:
workload()
while len(self) <= self.start_barrier:
time.sleep(0.3)
while self:
for workload in self:
workload()
self.workloads.sort(key=lambda workload: workload.time)
filltime = self.target_interval - self.time
@ -73,7 +69,7 @@ class Thread(threading.Thread):
@property
def time(self):
return sum(map(lambda workload: workload.time, self.workloads))
return sum(map(lambda workload: workload.time, self))
class AutomagicManager:
def __init__(self, target_interval):
@ -83,7 +79,6 @@ class AutomagicManager:
initial_thread = Thread(target_interval, [self.wrap(self)])
self.threads = [initial_thread]
initial_thread.start()
def __call__(self):
@ -95,7 +90,7 @@ class AutomagicManager:
self.create_threads(self.partition(separate))
def wrap(self, workload):
return WorkloadWrapper(ExceptionWrapper(workload, exc_delegate=StderrExcDelegate()))
return WorkloadWrapper(ExceptionWrapper(workload))
def optimize(self, thread, vtime):
if len(thread) > 1 and vtime > self.upper_bound:
@ -110,12 +105,10 @@ class AutomagicManager:
for workload in workloads:
current_thread.append(workload)
timesum += workload.time
if timesum > self.lower_bound:
new_threads.append(current_thread)
current_thread = []
timesum = 0
return new_threads
def create_threads(self, threads):
@ -123,9 +116,9 @@ class AutomagicManager:
self.create_thread(workloads)
def create_thread(self, workloads):
thread = Thread(self.target_interval, workloads)
thread = Thread(self.target_interval, workloads, start_barrier=0)
thread.start()
self.threads.append(thread)
def add(self, workload):
self.threads[0].push(self.wrap(workload))
def append(self, workload):
self.threads[0].append(self.wrap(workload))