/usr/lib/python3/dist-packages/pandas/util/terminal.py is in python3-pandas 0.14.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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get_terminal_size() -- return width and height of terminal as a tuple
code from:
http://stackoverflow.com/questions/566746/how-to-get-console- window-width-in-
python
written by
Harco Kuppens (http://stackoverflow.com/users/825214/harco-kuppens)
It is mentioned in the stackoverflow response that this code works
on linux, os x, windows and cygwin (windows).
"""
from __future__ import print_function
import os
__all__ = ['get_terminal_size']
def get_terminal_size():
"""
Detect terminal size and return tuple = (width, height).
Only to be used when running in a terminal. Note that the IPython notebook,
IPython zmq frontends, or IDLE do not run in a terminal,
"""
import platform
current_os = platform.system()
tuple_xy = None
if current_os == 'Windows':
tuple_xy = _get_terminal_size_windows()
if tuple_xy is None:
tuple_xy = _get_terminal_size_tput()
# needed for window's python in cygwin's xterm!
if current_os == 'Linux' or \
current_os == 'Darwin' or \
current_os.startswith('CYGWIN'):
tuple_xy = _get_terminal_size_linux()
if tuple_xy is None:
tuple_xy = (80, 25) # default value
return tuple_xy
def _get_terminal_size_windows():
res = None
try:
from ctypes import windll, create_string_buffer
# stdin handle is -10
# stdout handle is -11
# stderr handle is -12
h = windll.kernel32.GetStdHandle(-12)
csbi = create_string_buffer(22)
res = windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
except:
return None
if res:
import struct
(bufx, bufy, curx, cury, wattr, left, top, right, bottom, maxx,
maxy) = struct.unpack("hhhhHhhhhhh", csbi.raw)
sizex = right - left + 1
sizey = bottom - top + 1
return sizex, sizey
else:
return None
def _get_terminal_size_tput():
# get terminal width
# src: http://stackoverflow.com/questions/263890/how-do-i-find-the-width
# -height-of-a-terminal-window
try:
import subprocess
proc = subprocess.Popen(["tput", "cols"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
output = proc.communicate(input=None)
cols = int(output[0])
proc = subprocess.Popen(["tput", "lines"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
output = proc.communicate(input=None)
rows = int(output[0])
return (cols, rows)
except:
return None
def _get_terminal_size_linux():
def ioctl_GWINSZ(fd):
try:
import fcntl
import termios
import struct
import os
cr = struct.unpack(
'hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234'))
except:
return None
return cr
cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
if not cr:
try:
fd = os.open(os.ctermid(), os.O_RDONLY)
cr = ioctl_GWINSZ(fd)
os.close(fd)
except:
pass
if not cr or cr == (0, 0):
try:
from os import environ as env
cr = (env['LINES'], env['COLUMNS'])
except:
return None
return int(cr[1]), int(cr[0])
if __name__ == "__main__":
sizex, sizey = get_terminal_size()
print('width = %s height = %s' % (sizex, sizey))
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