def while_session_get(page_url, times=5000, sleep_time=0.2, new_sess=False):
"""
循环请求
:return:
"""
while_times = 0
while True:
try:
if new_sess:
global sess
sess = requests.session()
gevent_sleep(random.randint(5, 8) * sleep_time)
result = sess.get(page_url, headers=get_header(), timeout=5)
# result = requests.get(page_url, headers=headers, proxies=proxies, timeout=5)
except Exception as e:
if while_times < times:
while_times += 1
print('**********', '尝试重新链接', while_times, '次:',
page_url.replace(home_url, ''))
continue
else:
raise e
else:
return result
def _sleep(mode: FeatureMode) -> None:
if mode is FeatureMode.Parallel or mode is FeatureMode.Concurrent:
time.sleep(_Sleep_Time)
elif mode is FeatureMode.GreenThread:
gevent_sleep(_Sleep_Time)
elif mode is FeatureMode.Asynchronous:
asyncio.sleep(_Sleep_Time)
else:
raise ValueError
def _target_testing():
# Save a time stamp into list
try:
_thread_id = get_gevent_ident()
gevent_sleep(_Sleep_Time)
_time = float(time.time())
_done_timestamp[_thread_id] = _time
except Exception as e:
assert False, f"Occur something unexpected issue. Please check it. Exception: {e}"
else:
assert True, "Testing code successfully."
def userset_greenlet():
"""
Greenlet that polls redis for changes in the user sets of each room.
This is done by calling the userset update function every few seconds.
"""
while True:
gevent_sleep(5)
try:
local_red = StrictRedis.from_url(app.config.get("REDIS_URL"))
userset_update(local_red)
except:
app.logger.error("Exception in user set polling greenlet.", exc_info=True)
def advance(self, amount=0):
"""Move time on this clock forward by the given amount and run
whatever pending calls should be run.
"""
# First we yield the control so that other greenlets have a
# chance to run.
gevent_sleep()
future = self.right_now + amount
while self.calls and self.calls[0].time <= future:
dc = self.calls.pop(0)
self.right_now = dc.time
dc()
gevent_sleep()
self.right_now = max(future, self.right_now)
def room_update_loop():
"""Greenlet that calls check_video_ended on all the rooms every few seconds."""
while True:
gevent_sleep(2)
try:
dbsession = db.Session(db.engine)
# Find all rooms whose videos are playing.
rooms = dbsession.query(Room).filter_by(is_playing=True).all()
for room in rooms:
try:
room.check_video_ended()
except:
app.logger.error("Exception updating room %s." % room.slug, exc_info=True)
gevent_sleep(0)
dbsession.close()
except:
app.logger.error("Exception in room update loop.", exc_info=True)
def sleep(seconds: int, ref: bool = True) -> None:
gevent_sleep(seconds=seconds, ref=ref)
def echo_sleep(t):
print "%r sleep %s" % (echo.bound, t)
gevent_sleep(t)
print "end of sleep"
return t
def echo_sleep(t):
print "%r sleep %s" % (echo.bound, t)
gevent_sleep(t)
print "end of sleep"
return t
def _target_testing():
# Save a timestamp into list
_thread_id = get_gevent_ident()
gevent_sleep(_Sleep_Time)
_time = float(time.time())
_done_timestamp[_thread_id] = _time
def sleep(self, seconds=0):
"""Sleep for C{seconds}."""
gevent_sleep(seconds)
def bar():
print('Explicit context to bar')
gevent_sleep(0)
print('Implicit context switch back to bar')
def foo():
print('Running in foo')
gevent_sleep(0)
print('Explicit context switch to foo again')
def async_sleep(s, msg=''):
if s>0:
SLEEP_DEBUG("[async sleep] %s secs: %s" % (s, msg))
gevent_sleep(s)