mirror of
https://github.com/clearml/wexpect-venv
synced 2025-06-26 18:15:52 +00:00
[FIX] fix issue #6. Debug print remained in the write process
This commit is contained in:
Benedek Racz
parent
cd968844cd
commit
89001c1c5f
@ -1,3 +1,12 @@
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#
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# WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
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#
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# Travis-ci doesn't supports python runs on windows platform right now (2019.09.09). This medium story
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# https://medium.com/@dirk.avery/travis-ci-python-and-windows-2f9a1b6dd096 can didn't helped either.
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# (wexpect is a compicated case)
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#
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# So travis build paused! See appveyor builds. (https://ci.appveyor.com/project/raczben/wexpect)
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language: python
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dist: xenial # required for Python >= 3.7
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matrix:
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43
README.md
43
README.md
@ -103,6 +103,49 @@ The wexpect uses [pbr](https://docs.openstack.org/pbr/latest/) for managing rele
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- Install the test build `python -m pip install wexpect`
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- run `python -c "import wexpect;print(wexpect.__version__)"`
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## Basic behaviour
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Let's go through the example code:
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```python
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import wexpect
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child = wexpect.spawn('cmd.exe')
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child.expect('>')
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child.sendline('ls')
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child.expect('>')
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print(child.before)
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child.sendline('exit')
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```
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### spawn()
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`child = wexpect.spawn('cmd.exe')`
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Call trace:
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- ::spawn (line 289)
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- spawn_windows::__init__() (line 1639)
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- spawn_unix::__init__() (line 313)
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- spawn_windows::_spawn() (line 1660)
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- Wtty::spawn() (line 1932)
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- Wtty::startChild() (line 1978)
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- win32process.CreateProcess() (line 2024)
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### expect()
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`child.expect('>')`
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Call trace:
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- spawn_linux::expect() (line 1285)
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- spawn_linux::expect_list() (line 1365)
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- spawn_linux::expect_loop() (line 1397)
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- spawn_windows::read_nonblocking() (line 1635)
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- Wtty::read_nonblocking()
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- Wtty::readConsoleToCursor()
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- Wtty::readConsole() (line: 2153)
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- __consout.ReadConsoleOutputCharacter() (line: 2176)
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19
tests/foo.py
Normal file
19
tests/foo.py
Normal file
@ -0,0 +1,19 @@
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'''
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This is is a very basic stdio handler script. This is used by python.py example.
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'''
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import time
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# Read an integer from the user:
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print('Give a small integer: ', end='')
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num = input()
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# Wait the given time
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for i in range(int(num)):
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print('waiter ' + str(i))
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time.sleep(0.2)
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# Ask the name of the user to say hello.
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print('Give your name: ', end='')
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name = input()
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print('Hello ' + str(name), end='')
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46
tests/test_echo.py
Normal file
46
tests/test_echo.py
Normal file
@ -0,0 +1,46 @@
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#!/usr/bin/env python
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'''
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PEXPECT LICENSE
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This license is approved by the OSI and FSF as GPL-compatible.
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http://opensource.org/licenses/isc-license.txt
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Copyright (c) 2012, Noah Spurrier <noah@noah.org>
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PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
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PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
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COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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'''
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import wexpect
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import unittest
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from . import PexpectTestCase
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class EchoTestCase(PexpectTestCase.PexpectTestCase):
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def testPath(self):
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# Path of cmd executable:
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cmd_exe = 'cmd'
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cmdPrompt = '>'
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# Start the child process
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p = wexpect.spawn(cmd_exe)
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# Wait for prompt
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p.expect(cmdPrompt)
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# Send a command
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p.sendline('echo hello')
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p.expect(cmdPrompt)
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self.assertEqual('hello', p.before.splitlines()[1])
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if __name__ == '__main__':
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unittest.main()
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suite = unittest.makeSuite(EchoTestCase,'test')
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124
wexpect.py
124
wexpect.py
@ -63,59 +63,85 @@ http://pexpect.sourceforge.net/
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$Id: pexpect.py 507 2007-12-27 02:40:52Z noah $
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"""
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try:
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import os, sys, time
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import select
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import shutil
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import re
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import struct
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import types
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import errno
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import traceback
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import signal
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import pkg_resources
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if sys.platform != 'win32':
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import pty
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import tty
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import termios
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import resource
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import fcntl
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else:
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from io import StringIO
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try:
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from ctypes import windll
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import pywintypes
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from win32com.shell.shellcon import CSIDL_APPDATA
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from win32com.shell.shell import SHGetSpecialFolderPath
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import win32console
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import win32process
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import win32con
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import win32gui
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import win32api
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import win32file
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import winerror
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except ImportError as e:
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raise ImportError(str(e) + "\nThis package requires the win32 python packages.")
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screenbufferfillchar = '\4'
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maxconsoleY = 8000
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except ImportError as e:
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#
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# wexpect is windows only. Use pexpect on linux like systems.
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#
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import sys
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if sys.platform != 'win32':
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raise ImportError (str(e) + """
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sys.platform != 'win32': Wexpect supports only Windows.
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Pexpect is intended for UNIX-like operating systems.""")
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A critical module was not found. Probably this operating system does not
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support it. Pexpect is intended for UNIX-like operating systems.""")
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#
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# Import built in modules
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#
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import logging
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import os
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import time
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import re
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import select
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import shutil
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import struct
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import types
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import errno
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import traceback
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import signal
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import pkg_resources
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from io import StringIO
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try:
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from ctypes import windll
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import pywintypes
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from win32com.shell.shellcon import CSIDL_APPDATA
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from win32com.shell.shell import SHGetSpecialFolderPath
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import win32console
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import win32process
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import win32con
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import win32gui
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import win32api
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import win32file
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import winerror
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except ImportError as e:
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raise ImportError(str(e) + "\nThis package requires the win32 python packages.\r\nInstall with pip install pywin32")
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#
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# System-wide constants
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#
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screenbufferfillchar = '\4'
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maxconsoleY = 8000
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#
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# Create logger: We write logs only to file. Printing out logs are dangerous, because of the deep
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# console manipulation.
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#
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logger = logging.getLogger('wexpect')
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logger.setLevel(logging.DEBUG)
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fh = logging.FileHandler('wexpect.log')
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formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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fh.setFormatter(formatter)
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logger.addHandler(fh)
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# Test the logger
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logger.info('wexpect imported; logger working')
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# The version is handled by the package: pbr, which derives the version from the git tags.
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try:
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__version__ = pkg_resources.require("wexpect")[0].version
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except:
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__version__ = '0.0.1.unkown0'
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__revision__ = '$Revision: 399 $'
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__all__ = ['ExceptionPexpect', 'EOF', 'TIMEOUT', 'spawn', 'run', 'which',
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'split_command_line', '__version__', '__revision__']
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# Exception classes used by this module.
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class ExceptionPexpect(Exception):
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####################################################################################################
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#
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# Exceptions
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#
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####################################################################################################
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class ExceptionPexpect(Exception):
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"""Base class for all exceptions raised by this module.
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"""
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@ -148,22 +174,14 @@ class ExceptionPexpect(Exception):
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else:
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return False
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class EOF(ExceptionPexpect):
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"""Raised when EOF is read from a child. This usually means the child has exited."""
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class EOF(ExceptionPexpect):
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"""Raised when EOF is read from a child. This usually means the child has exited.
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The user can wait to EOF, which means he waits the end of the execution of the child process."""
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class TIMEOUT(ExceptionPexpect):
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"""Raised when a read time exceeds the timeout. """
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##class TIMEOUT_PATTERN(TIMEOUT):
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## """Raised when the pattern match time exceeds the timeout.
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## This is different than a read TIMEOUT because the child process may
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## give output, thus never give a TIMEOUT, but the output
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## may never match a pattern.
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## """
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##class MAXBUFFER(ExceptionPexpect):
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## """Raised when a scan buffer fills before matching an expected pattern."""
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def run (command, timeout=-1, withexitstatus=False, events=None, extra_args=None, logfile=None, cwd=None, env=None):
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@ -2107,8 +2125,6 @@ class Wtty:
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return ""
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consinfo = self.__consout.GetConsoleScreenBufferInfo()
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startCo = consinfo['CursorPosition']
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print(records)
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print(consinfo)
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wrote = self.__consin.WriteConsoleInput(records)
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ts = time.time()
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while self.__consin and self.__consin.PeekConsoleInput(8) != ():
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