本文整理汇总了Python中util.Reader.readString方法的典型用法代码示例。如果您正苦于以下问题:Python Reader.readString方法的具体用法?Python Reader.readString怎么用?Python Reader.readString使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类util.Reader
的用法示例。
在下文中一共展示了Reader.readString方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from util import Reader [as 别名]
# 或者: from util.Reader import readString [as 别名]
class RemoteExecutor:
""" Execute a command to the remote host through ssh session. This function
also starts three threads that handle the input, error and output streams.
Then the other functions can be used for conversating with the process.
remexecutor.exec('ls -al') # prints remote home directory contents
"""
def __init__(self, remotehost):
""" Initialize the connection."""
self.__connection = remotehost.connection
self.__env = remotehost.env
self.__session = self.__connection.openSession()
self.__instr = None
self.__errstr = None
self.__inputreader = None
self.__errortreader = None
self.__outputwriter = None
def exec(self,command):
if not self.__connection.isAuthenticationComplete():
print "Connection not established"
return
if self.__session == None:
self.__session = self.__connection.openSession()
sess = self.__session
if type(command) is type([]): # if command is a list make it a string
command = " ".join(command)
# make environment variables to string and assemble command
environment = " ".join(["=".join(i) for i in self.__env])
command = "export " + environment + " && " + command
sess.execCommand(command) # execute command
self.__outputwriter = DataOutputStream(sess.getStdin())
# start a new thread for the input stream of the process and set the
# Reader
self.__instr = StreamGobbler(sess.getStdout())
self.__inputreader = Reader(BufferedReader(InputStreamReader(self.__instr)))
# start a new thread for error stream of the process and set the
# Reader
self.__errstr = StreamGobbler(sess.getStderr())
self.__errorreader = Reader(BufferedReader(InputStreamReader(self.__errstr)))
def input(self):
""" Function for reading the output of a process.
Wrapper for Reader readString function.
"""
if self.__inputreader is None:
print "Error __inputstreamer__ is None"
return
return self.__inputreader.readString()
def error(self):
""" Function for reading the error of a process.
Wrapper for Reader readString function.
"""
if self.__errorreader is None:
print "Error __errorstreamer__ is None"
return
return self.__errorreader.readString()
def write(self, bytes = None):
""" Function to read from system in and write to the process
input (or the proc output)
"""
writer = self.__outputwriter
if bytes is None:
bytes = raw_input()
#for i in bytes[:]:
# print ord(i)
writer.writeBytes(bytes+"\n")
writer.flush()
def getEnv(self, var):
env = self.__env
for i in env:
if var in i:
return i[1]
def setEnv(self, var, value):
env = self.__env
curvar = None
for i in range(len(env)):
if var in env[i]:
curvar = env[i][1]
del env[i]
break
self.__env.append((var,value))
def close(self):
self.__instr.close()
self.__errstr.close()
self.__session.close()
self.__instr = None
#.........这里部分代码省略.........