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https://github.com/valitydev/salt.git
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109 lines
3.0 KiB
Python
109 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
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# vim: sw=4 ts=4 fenc=utf-8
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'''
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getTerminalSize()
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- get width and height of console
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- works on linux,os x,windows,cygwin(windows)
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- taken from http://stackoverflow.com/questions/566746/how-to-get-console-window-width-in-python
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'''
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# Import python libs
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from __future__ import absolute_import, print_function
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import os
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import platform
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import struct
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import ctypes
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import subprocess
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import fcntl
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import termios
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__all__ = ['getTerminalSize']
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def getTerminalSize():
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current_os = platform.system()
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tuple_xy = None
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if current_os == 'Windows':
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tuple_xy = _getTerminalSize_windows()
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if tuple_xy is None:
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tuple_xy = _getTerminalSize_tput()
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# needed for window's python in cygwin's xterm!
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if current_os == 'Linux' or current_os == 'Darwin' or \
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current_os.startswith('CYGWIN'):
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tuple_xy = _getTerminalSize_linux()
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if tuple_xy is None:
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tuple_xy = (80, 25) # default value
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return tuple_xy
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def _getTerminalSize_windows():
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res = None
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try:
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# stdin handle is -10
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# stdout handle is -11
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# stderr handle is -12
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h = ctypes.windll.kernel32.GetStdHandle(-12)
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csbi = ctypes.create_string_buffer(22)
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res = ctypes.windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
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except Exception:
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return None
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if res:
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(bufx, bufy, curx, cury, wattr,
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left, top, right, bottom, maxx, maxy) = struct.unpack(
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'hhhhHhhhhhh', csbi.raw)
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sizex = right - left + 1
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sizey = bottom - top + 1
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return sizex, sizey
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else:
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return None
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def _getTerminalSize_tput():
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# get terminal width
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# src: http://stackoverflow.com/questions/263890/how-do-i-find-the-width-height-of-a-terminal-window
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try:
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proc = subprocess.Popen(
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['tput', 'cols'], stdin=subprocess.PIPE, stdout=subprocess.PIPE
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)
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output = proc.communicate(input=None)
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cols = int(output[0])
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proc = subprocess.Popen(
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['tput', 'lines'], stdin=subprocess.PIPE, stdout=subprocess.PIPE
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)
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output = proc.communicate(input=None)
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rows = int(output[0])
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return (cols, rows)
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except Exception:
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return None
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def _getTerminalSize_linux():
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def ioctl_GWINSZ(fd):
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try:
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cr = struct.unpack(
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'hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234')
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)
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except Exception:
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return None
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return cr
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cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
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if not cr:
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try:
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fd = os.open(os.ctermid(), os.O_RDONLY)
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cr = ioctl_GWINSZ(fd)
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os.close(fd)
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except Exception:
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pass
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if not cr:
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try:
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cr = (os.environ['LINES'], os.environ['COLUMNS'])
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except Exception:
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return None
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return int(cr[1]), int(cr[0])
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if __name__ == '__main__':
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sizex, sizey = getTerminalSize()
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print('width = {0} height = {1}'.format(sizex, sizey))
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