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"""
Set of functions to work with console on Windows.
Author: Alexander Belchenko (e-mail: bialix AT ukr.net)
License: Public domain
"""
import struct
try:
import ctypes
except ImportError:
ctypes = None
WIN32_STDIN_HANDLE = -10
WIN32_STDOUT_HANDLE = -11
WIN32_STDERR_HANDLE = -12
def get_console_size(defaultx=80, defaulty=25):
""" Return size of current console.
This function try to determine actual size of current working
console window and return tuple (sizex, sizey) if success,
or default size (defaultx, defaulty) otherwise.
Dependencies: ctypes should be installed.
"""
if ctypes is None:
# no ctypes is found
return (defaultx, defaulty)
# To avoid problem with redirecting output via pipe
# need to use stderr instead of stdout
h = ctypes.windll.kernel32.GetStdHandle(WIN32_STDERR_HANDLE)
csbi = ctypes.create_string_buffer(22)
res = ctypes.windll.kernel32.GetConsoleScreenBufferInfo(h, csbi)
if res:
(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 (defaultx, defaulty)
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