mirror of
https://github.com/clearml/wexpect-venv
synced 2025-05-05 20:54:41 +00:00
[CLN] clean startChild function
This commit is contained in:
Benedek Racz
parent
1ad1ea28b0
commit
40d34f4b92
176
wexpect/spawn.py
176
wexpect/spawn.py
@ -159,9 +159,9 @@ def run (command, timeout=-1, withexitstatus=False, events=None, extra_args=None
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dictionary passed to a callback. """
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if timeout == -1:
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child = SpawnSocket(command, maxread=2000, logfile=logfile, cwd=cwd, env=env, **kwargs)
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child = SpawnPipe(command, maxread=2000, logfile=logfile, cwd=cwd, env=env, **kwargs)
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else:
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child = SpawnSocket(command, timeout=timeout, maxread=2000, logfile=logfile, cwd=cwd, env=env, **kwargs)
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child = SpawnPipe(command, timeout=timeout, maxread=2000, logfile=logfile, cwd=cwd, env=env, **kwargs)
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if events is not None:
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patterns = list(events.keys())
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responses = list(events.values())
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@ -221,6 +221,7 @@ class SpawnBase:
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That may not necessarily be bad because you may haved spawned a child
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that performs some task; creates no stdout output; and then dies.
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"""
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self.host_pid = os.getpid() # That's me
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self.console_process = None
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self.console_pid = None
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self.child_process = None
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@ -238,7 +239,6 @@ class SpawnBase:
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self.status = None # status returned by os.waitpid
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self.flag_eof = False
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self.flag_child_finished = False
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self.pid = None
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self.child_fd = -1 # initially closed
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self.timeout = timeout
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self.delimiter = EOF
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@ -316,7 +316,7 @@ class SpawnBase:
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s.append('match_index: ' + str(self.match_index))
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s.append('exitstatus: ' + str(self.exitstatus))
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s.append('flag_eof: ' + str(self.flag_eof))
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s.append('pid: ' + str(self.pid))
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s.append('host_pid: ' + str(self.host_pid))
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s.append('child_fd: ' + str(self.child_fd))
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s.append('closed: ' + str(self.closed))
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s.append('timeout: ' + str(self.timeout))
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@ -328,6 +328,52 @@ class SpawnBase:
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s.append('delayafterterminate: ' + str(self.delayafterterminate))
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return '\n'.join(s)
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def startChild(self, args, env):
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si = win32process.GetStartupInfo()
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si.dwFlags = win32process.STARTF_USESHOWWINDOW
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si.wShowWindow = win32con.SW_HIDE
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dirname = os.path.dirname(sys.executable
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if getattr(sys, 'frozen', False) else
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os.path.abspath(__file__))
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spath = [os.path.dirname(dirname)]
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pyargs = ['-c']
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if getattr(sys, 'frozen', False):
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# If we are running 'frozen', add library.zip and lib\library.zip to sys.path
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# py2exe: Needs appropriate 'zipfile' option in setup script and 'bundle_files' 3
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spath.append(os.path.join(dirname, 'library.zip'))
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spath.append(os.path.join(dirname, 'library.zip',
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os.path.basename(os.path.splitext(sys.executable)[0])))
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if os.path.isdir(os.path.join(dirname, 'lib')):
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dirname = os.path.join(dirname, 'lib')
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spath.append(os.path.join(dirname, 'library.zip'))
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spath.append(os.path.join(dirname, 'library.zip',
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os.path.basename(os.path.splitext(sys.executable)[0])))
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pyargs.insert(0, '-S') # skip 'import site'
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if getattr(sys, 'frozen', False):
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python_executable = os.path.join(dirname, 'python.exe')
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else:
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python_executable = os.path.join(os.path.dirname(sys.executable), 'python.exe')
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child_class_initializator = self.get_child_class_initializator(args)
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commandLine = '"%s" %s "%s"' % (python_executable,
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' '.join(pyargs),
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"import sys;"
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f"sys.path = {spath} + sys.path;"
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"import wexpect;"
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"import time;"
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"wexpect.console_reader.logger.info('loggerStart.');"
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f"{child_class_initializator}"
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"wexpect.console_reader.logger.info('Console finished2.');"
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)
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logger.info(f'Console starter command:{commandLine}')
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_, _, self.console_pid, __otid = win32process.CreateProcess(None, commandLine, None, None, False,
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win32process.CREATE_NEW_CONSOLE, None, None, si)
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def get_console_process(self, force=False):
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if force or self.console_process is None:
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self.console_process = psutil.Process(self.console_pid)
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@ -835,17 +881,7 @@ class SpawnPipe(SpawnBase):
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raise ValueError ('I/O operation on closed file in read_nonblocking().')
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try:
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# The real child and it's console are two different process. The console dies 0.1 sec
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# later to be able to read the child's last output (before EOF). So here we check
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# isalive() (which checks the real child.) and try a last read on the console. To catch
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# the last output.
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# The flag_child_finished flag shows that this is the second trial, where we raise the EOF.
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# if self.flag_child_finished:
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# logger.info('EOF: self.flag_child_finished')
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# raise EOF('self.flag_child_finished')
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if not self.isalive():
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self.flag_child_finished = True
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logger.info('self.isalive() == False: Child has been died, lets do a last read!')
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self.isalive()
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try:
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s = win32file.ReadFile(self.pipe, size)[1]
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@ -906,51 +942,9 @@ class SpawnPipe(SpawnBase):
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raise
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return len(s)
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def startChild(self, args, env):
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si = win32process.GetStartupInfo()
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si.dwFlags = win32process.STARTF_USESHOWWINDOW
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si.wShowWindow = win32con.SW_HIDE
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dirname = os.path.dirname(sys.executable
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if getattr(sys, 'frozen', False) else
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os.path.abspath(__file__))
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spath = [os.path.dirname(dirname)]
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pyargs = ['-c']
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if getattr(sys, 'frozen', False):
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# If we are running 'frozen', add library.zip and lib\library.zip
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# to sys.path
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# py2exe: Needs appropriate 'zipfile' option in setup script and
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# 'bundle_files' 3
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spath.append(os.path.join(dirname, 'library.zip'))
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spath.append(os.path.join(dirname, 'library.zip',
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os.path.basename(os.path.splitext(sys.executable)[0])))
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if os.path.isdir(os.path.join(dirname, 'lib')):
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dirname = os.path.join(dirname, 'lib')
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spath.append(os.path.join(dirname, 'library.zip'))
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spath.append(os.path.join(dirname, 'library.zip',
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os.path.basename(os.path.splitext(sys.executable)[0])))
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pyargs.insert(0, '-S') # skip 'import site'
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pid = win32process.GetCurrentProcessId()
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commandLine = '"%s" %s "%s"' % (os.path.join(dirname, 'python.exe')
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if getattr(sys, 'frozen', False) else
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os.path.join(os.path.dirname(sys.executable), 'python.exe'),
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' '.join(pyargs),
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"import sys;"
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f"sys.path = {spath} + sys.path;"
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"import wexpect;"
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"import time;"
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"wexpect.console_reader.logger.info('loggerStart.');"
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f"wexpect.ConsoleReaderPipe(wexpect.join_args({args}), {pid}, local_echo={self.echo}, interact={self.interact});"
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"wexpect.console_reader.logger.info('Console finished2.');"
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)
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logger.info(f'Console starter command:{commandLine}')
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_, _, self.console_pid, __otid = win32process.CreateProcess(None, commandLine, None, None, False,
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win32process.CREATE_NEW_CONSOLE, None, None, si)
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def get_child_class_initializator(self, args, **kwargs):
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child_class_initializator = f"wexpect.ConsoleReaderPipe(wexpect.join_args({args}), {self.host_pid}, local_echo={self.echo}, interact={self.interact});"
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return child_class_initializator
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class SpawnSocket(SpawnBase):
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@ -1002,18 +996,7 @@ class SpawnSocket(SpawnBase):
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raise ValueError ('I/O operation on closed file in read_nonblocking().')
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try:
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# The real child and it's console are two different process. The console dies 0.1 sec
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# later to be able to read the child's last output (before EOF). So here we check
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# isalive() (which checks the real child.) and try a last read on the console. To catch
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# the last output.
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# The flag_child_finished flag shows that this is the second trial, where we raise the EOF.
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if self.flag_child_finished:
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logger.info("EOF('self.flag_child_finished')")
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raise EOF('self.flag_child_finished')
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if not self.isalive():
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self.flag_child_finished = True
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logger.info('self.isalive() == False: Child has been died, lets do a last read!')
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self.isalive()
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s = self.sock.recv(size)
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if s:
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@ -1039,52 +1022,9 @@ class SpawnSocket(SpawnBase):
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return s.decode()
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def startChild(self, args, env):
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si = win32process.GetStartupInfo()
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si.dwFlags = win32process.STARTF_USESHOWWINDOW
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si.wShowWindow = win32con.SW_HIDE
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dirname = os.path.dirname(sys.executable
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if getattr(sys, 'frozen', False) else
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os.path.abspath(__file__))
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spath = [os.path.dirname(dirname)]
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pyargs = ['-c']
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if getattr(sys, 'frozen', False):
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# If we are running 'frozen', add library.zip and lib\library.zip
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# to sys.path
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# py2exe: Needs appropriate 'zipfile' option in setup script and
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# 'bundle_files' 3
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spath.append(os.path.join(dirname, 'library.zip'))
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spath.append(os.path.join(dirname, 'library.zip',
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os.path.basename(os.path.splitext(sys.executable)[0])))
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if os.path.isdir(os.path.join(dirname, 'lib')):
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dirname = os.path.join(dirname, 'lib')
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spath.append(os.path.join(dirname, 'library.zip'))
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spath.append(os.path.join(dirname, 'library.zip',
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os.path.basename(os.path.splitext(sys.executable)[0])))
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pyargs.insert(0, '-S') # skip 'import site'
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pid = win32process.GetCurrentProcessId()
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commandLine = '"%s" %s "%s"' % (os.path.join(dirname, 'python.exe')
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if getattr(sys, 'frozen', False) else
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os.path.join(os.path.dirname(sys.executable), 'python.exe'),
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' '.join(pyargs),
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"import sys;"
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f"sys.path = {spath} + sys.path;"
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"import wexpect;"
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"import time;"
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"wexpect.console_reader.logger.info('loggerStart.');"
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f"wexpect.ConsoleReaderSocket(wexpect.join_args({args}), {pid}, port={self.port}, local_echo={self.echo}, interact={self.interact});"
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"wexpect.console_reader.logger.info('Console finished2.');"
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)
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logger.info(f'Console starter command:{commandLine}')
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_, _, self.console_pid, __otid = win32process.CreateProcess(None, commandLine, None, None, False,
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win32process.CREATE_NEW_CONSOLE, None, None, si)
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def get_child_class_initializator(self, args, **kwargs):
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child_class_initializator = f"wexpect.ConsoleReaderSocket(wexpect.join_args({args}), {self.host_pid}, port={self.port}, local_echo={self.echo}, interact={self.interact});"
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return child_class_initializator
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class searcher_re (object):
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