Python 数据打印不正确
在针对多处理运行数据流子进程时,在字典程序中打印单个元素后冻结Python 数据打印不正确,python,linux,dictionary,subprocess,python-multiprocessing,Python,Linux,Dictionary,Subprocess,Python Multiprocessing,在针对多处理运行数据流子进程时,在字典程序中打印单个元素后冻结 #!/usr/bin/python import subprocess,time, timeit from multiprocessing import Process, Queue import re, os, pprint, math from collections import defaultdict Dict = {} count = defaultdict(int) queueVar = Queue() def _
#!/usr/bin/python
import subprocess,time, timeit
from multiprocessing import Process, Queue
import re, os, pprint, math
from collections import defaultdict
Dict = {}
count = defaultdict(int)
queueVar = Queue()
def __ReadRX__(RX_info):
lines = iter(RX_info.stdout.readline, "")
try:
start = time.clock()
for line in lines:
if re.match(r"^\d+.*$",line):
splitline = line.split()
del splitline[1:4]
identifier = splitline[1]
count[identifier] += 1
end = time.clock()
timing = round((end - start) * 10000, 100)
dlc = splitline[2]
hexbits = splitline[3:]
Dict[identifier] = [dlc, hexbits, count[identifier],int(timing)]
start = end
for identifier,hexbits in Dict.items():
queueVar.put(Dict)
except KeyboardInterrupt:
pass
procRX = subprocess.Popen('receivetest -f=/dev/pcan32'.split(), stdout=subprocess.PIPE)
if __name__ == '__main__':
munchCan = Process(target=__ReadRX__, args=(procRX,))
munchCan.start()
#munchCan.join()
printDict = queueVar.get()
for i in range(len(printDict)):
print printDict
我知道如果我从
\uuuu ReadRX\uuuu>打印,它会打印一个恒定的流,但是当尝试从函数外部打印时,我在字典中只得到一个条目。在顶部添加以下内容:
from time import sleep
然后在print语句之后添加:
sleep(1)
这将使脚本等待1秒。您可以根据需要调整该数字。也许我误解了什么,但我只看到一行打印任何内容,没有循环使其运行多次。@jimmy,感谢您指出,我为打印添加了一个循环,但这仍然只打印一个,它应该打印字典中的每个条目,从理论上讲,这应该提前进行,并且在每次打印之间增加一个短暂的睡眠,否则你的第二个线程将永远没有时间运行。