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decorator.py
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decorator.py
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import functools
import time
# import sys
import os
import copy
import threading
import subprocess
from utils import log
def timekeep(func):
@functools.wraps(func)
def inner(*args, **kwargs):
start_time = time.time()
ret = func(*args, **kwargs)
log.warning('线程:%s, 父进程:%s, 耗时:%s, <Task (%s) finished!!!>' % (
threading.current_thread().getName(), os.getpid(), time.time() - start_time, func.__name__))
return ret
return inner
def Timekeep():
"""
用于类方法(可调用self)的装饰器
"""
def wrapper(func):
@functools.wraps(func)
def inner(self, *args, **kwargs):
start_time = time.time()
log.debug('Task start(%s):' % (func.__name__), start_time)
ret = func(self, *args, **kwargs)
log.warning('线程:%s, 父进程:%s, 耗时:%s, <Task (%s) finished!!!>' % (
threading.current_thread().getName(), os.getpid(), time.time() - start_time, func.__name__))
return ret
return inner
return wrapper
def Executor():
'''执行shell命令(用于类方法的可调用self的装饰器)
'''
def wrapper(func):
@functools.wraps(func)
def inner(self, *args, **kwargs):
ret = func(self, *args, **kwargs)
# start_time = time.time()
# log.info('Task(%s) start at %s' % (func.__name__,start_time), self.order)
# ret = os.popen('ping www.baidu.com')
# ret = subprocess.Popen(self.order)
# ret = subprocess.run(self.order)
# ret = subprocess.Popen(
# self.order, shell=False, stdout=subprocess.PIPE).stdout
# self.order = ['ffmpeg', '-y', '-loglevel', 'info', '-i', '/Users/nut/Downloads/RS/test.mp4', '-s', '640x360', '-aspect', '640:360', '-threads', '0', '-c:v', 'hevc_videotoolbox', '-r', '24.00', '-pix_fmt', 'yuv420p', '-b:v', '800k', '-maxrate', '1000k', '-bufsize', '4M', '-allow_sw', '1', '-profile:v', 'main', '-vtag', 'hvc1', '-c:a:0', 'aac', '-ac:a:0', '2', '-ar:a:0', '32000', '-b:a:0', '128k', '-strict', '-2', '-sn', '-f', 'mp4', '-map', '0:0', '-map', '0:1', '-map_chapters', '0', '-max_muxing_queue_size', '40000', '-map_metadata', '0', '/Users/nut/Downloads/RS/_compress/test-compress_6.mp4']
p = subprocess.Popen(self.order, stdout=subprocess.PIPE)
# log.info('Executor ret',type(ret),ret.stdout.read(),ret.returncode,ret.stdout,ret.terminate(),ret.wait())
log.debug('Executor waiting...', self.order)
result = {
'returncode': p.wait(),
'result': p.communicate()[0],
}
# for i in iter(p.stdout.readlines,'b'):
# time.sleep(1)
# print('-'*20,
# # p.poll(),
# # p.returncode
# )
# print(i)
# ret = ret
# duration = time.time() - start_time
log.debug('Executor finish!', result)
return dict(ret, **result) if type(ret) == dict else result
return inner
return wrapper
def Executor_v2():
'''执行shell命令(用于类方法的可调用self的装饰器)
'''
def wrapper(func):
@functools.wraps(func)
def inner(self, *args, **kwargs):
ret = func(self, *args, **kwargs)
order = copy.deepcopy(self.order_prefix_v2)
order.extend(ret)
order.extend([self.get_output_path(func.__name__)])
print('order', order)
p = subprocess.Popen(order, stdout=subprocess.PIPE)
log.debug('Executor waiting...', order)
result = {
'returncode': p.wait(),
'result': p.communicate()[0],
}
log.debug('Executor finish!', result)
return dict(ret, **result) if type(ret) == dict else result
return inner
return wrapper
def executor(func):
@functools.wraps(func)
def inner(*args, **kwargs):
order = func(*args, **kwargs)
p = subprocess.Popen(order, shell=False, stdout=subprocess.PIPE)
# log.warning('Executor waiting...', order)
result = {
'returncode': p.wait(),
'result': p.communicate()[0],
}
# log.debug('Executor finish!', order, result)
return dict(order, **result) if type(order) == dict else result
return inner