[英]python multithreading, how can i run multiple operations at once
正在嘗試通過sftp到遠程計算機
用我的功能
def copyToServer(hostname, username, password, destPath, localPath):
transport = paramiko.Transport((hostname, 22))
transport.connect(username=username, password=password)
sftp = paramiko.SFTPClient.from_transport(transport)
sftp.put(localPath, destPath)
sftp.close()
transport.close()
我想將文件並行復制到多個服務器
如果嘗試過這個
for i in range(xxx.xxx.xxx.111-xxx.xxx.xxx.210):
hostname = i
username = defaultLogin
password = defaultPassword
thread = threading.Thread(target=copyToServer, args=(hostname, username, password, destPath, localPath))
thread.start()
這給了我錯誤
Exception in thread Thread-3:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)
File "testi.py", line 56, in copyToServer
log.write("%s FAILED - copying failed directory at remote machine doesn't exist\r\n" % hostname)
ValueError: I/O operation on closed file
日志文件已關閉,請檢查線程是否正在使用日志文件,其他線程是否正在關閉日志文件,而其他正在使用
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