def __init__(self, cmd, capturestderr=0, bufsize=-1):
"""The parameter 'cmd' is the shell command to execute in a
sub-process. Can be either a sequence of executable
and arguments, or a shell command.
The 'capturestderr' flag, if true, specifies that
the object should capture standard error output of the child process.
The default is false. If the 'bufsize' parameter is specified, it
specifies the size of the I/O buffers to/from the child process.
"""
self.process = shellexecute(cmd)
self._tochild = self.process.getOutputStream()
self._fromchild = self.process.getInputStream()
if capturestderr:
self._childerr = self.process.getErrorStream()
else:
self._childerr = None
import threading
self.childWaiterLock = threading.Lock()
if bufsize > 0:
self._tochild = BufferedOutputStream(self._tochild, bufsize)
self._fromchild = BufferedInputStream(self._fromchild, bufsize)
if self._childerr:
self._childerr = BufferedInputStream(self._childerr, bufsize)
self.tochild = PyFile(self._tochild)
self.fromchild = PyFile(self._fromchild)
if self._childerr:
self.childerr = PyFile(self._childerr)
def __init__(self, cmd, capturestderr=0, bufsize=-1):
"""The parameter 'cmd' is the shell command to execute in a
sub-process. Can be either a sequence of executable
and arguments, or a shell command.
The 'capturestderr' flag, if true, specifies that
the object should capture standard error output of the child process.
The default is false. If the 'bufsize' parameter is specified, it
specifies the size of the I/O buffers to/from the child process.
"""
self.process = shellexecute( cmd )
self._tochild = self.process.getOutputStream()
self._fromchild = self.process.getInputStream()
if capturestderr:
self._childerr = self.process.getErrorStream()
else:
self._childerr = None
import threading
self.childWaiterLock = threading.Lock()
if bufsize > 0:
self._tochild = BufferedOutputStream( self._tochild, bufsize )
self._fromchild = BufferedInputStream( self._fromchild, bufsize )
if self._childerr:
self._childerr = BufferedInputStream(
self._childerr,
bufsize
)
self.tochild = FileUtil.wrap(self._tochild)
self.fromchild = FileUtil.wrap(self._fromchild)
if self._childerr:
self.childerr = FileUtil.wrap(self._childerr)
def _testCmds(self, _shellEnv, testCmds, whichEnv):
"""test commands (key) and compare output to expected output (value).
this actually executes all the commands twice, testing the return
code by calling system(), and testing some of the output by calling
execute()
"""
for cmd, pattern in testCmds:
dprint("\nExecuting '%s' with %s environment" % (cmd, whichEnv))
p = javashell.shellexecute(cmd)
line = PyFile(p.getInputStream()).readlines()[0]
assert re.match( pattern, line ), \
"expected match for %s, got %s" % ( pattern, line )
dprint("waiting for", cmd, "to complete")
assert not p.waitFor(), \
"%s failed with %s environment" % (cmd, whichEnv)
def _testCmds( self, _shellEnv, testCmds, whichEnv ):
"""test commands (key) and compare output to expected output (value).
this actually executes all the commands twice, testing the return
code by calling system(), and testing some of the output by calling
execute()
"""
for cmd, pattern in testCmds:
dprint( "\nExecuting '%s' with %s environment" % (cmd, whichEnv))
p = javashell.shellexecute(cmd)
line = FileUtil.wrap(p.getInputStream()).readlines()[0]
assert re.match( pattern, line ), \
"expected match for %s, got %s" % ( pattern, line )
dprint( "waiting for", cmd, "to complete")
assert not p.waitFor(), \
"%s failed with %s environment" % (cmd, whichEnv)
def testExecuteUnicodeCommandWithRedirection(self):
process = javashell.shellexecute('nonexcmd 2>&1')
stdout = process.getOutputStream().toString()
process.waitFor()
self.assertNotEqual(stdout, "",
"Redirecting 2>&1 failed with unicode cmd")
def testExecuteUnicodeCommandWithRedirection(self):
process = javashell.shellexecute(u'nonexcmd 2>&1')
stdout = process.getOutputStream().toString()
process.waitFor()
self.assertNotEqual(stdout, "", "Redirecting 2>&1 failed with unicode cmd")