def get_console_width():
"""Return width of available window area. Autodetection works for
Windows and POSIX platforms. Returns 80 for others
Code from http://bitbucket.org/techtonik/python-pager
"""
if os.name == 'nt':
STD_INPUT_HANDLE = -10
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
# get console handle
from ctypes import windll, Structure, byref
try:
from ctypes.wintypes import SHORT, WORD, DWORD
except ImportError:
# workaround for missing types in Python 2.5
from ctypes import (
c_short as SHORT, c_ushort as WORD, c_ulong as DWORD)
console_handle = windll.kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
# CONSOLE_SCREEN_BUFFER_INFO Structure
class COORD(Structure):
_fields_ = [("X", SHORT), ("Y", SHORT)]
class SMALL_RECT(Structure):
_fields_ = [("Left", SHORT), ("Top", SHORT),
("Right", SHORT), ("Bottom", SHORT)]
class CONSOLE_SCREEN_BUFFER_INFO(Structure):
_fields_ = [("dwSize", COORD),
("dwCursorPosition", COORD),
("wAttributes", WORD),
("srWindow", SMALL_RECT),
("dwMaximumWindowSize", DWORD)]
sbi = CONSOLE_SCREEN_BUFFER_INFO()
ret = windll.kernel32.GetConsoleScreenBufferInfo(console_handle, byref(sbi))
if ret == 0:
return 0
return sbi.srWindow.Right+1
elif os.name == 'posix':
from fcntl import ioctl
from termios import TIOCGWINSZ
from array import array
winsize = array("H", [0] * 4)
try:
ioctl(sys.stdout.fileno(), TIOCGWINSZ, winsize)
except IOError:
pass
return (winsize[1], winsize[0])[0]
return 80
python类SHORT的实例源码
def get_console_width():
"""Return width of available window area. Autodetection works for
Windows and POSIX platforms. Returns 80 for others
Code from http://bitbucket.org/techtonik/python-pager
"""
if os.name == 'nt':
STD_INPUT_HANDLE = -10
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
# get console handle
from ctypes import windll, Structure, byref
try:
from ctypes.wintypes import SHORT, WORD, DWORD
except ImportError:
# workaround for missing types in Python 2.5
from ctypes import (
c_short as SHORT, c_ushort as WORD, c_ulong as DWORD)
console_handle = windll.kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
# CONSOLE_SCREEN_BUFFER_INFO Structure
class COORD(Structure):
_fields_ = [("X", SHORT), ("Y", SHORT)]
class SMALL_RECT(Structure):
_fields_ = [("Left", SHORT), ("Top", SHORT),
("Right", SHORT), ("Bottom", SHORT)]
class CONSOLE_SCREEN_BUFFER_INFO(Structure):
_fields_ = [("dwSize", COORD),
("dwCursorPosition", COORD),
("wAttributes", WORD),
("srWindow", SMALL_RECT),
("dwMaximumWindowSize", DWORD)]
sbi = CONSOLE_SCREEN_BUFFER_INFO()
ret = windll.kernel32.GetConsoleScreenBufferInfo(
console_handle, byref(sbi))
if ret == 0:
return 0
return sbi.srWindow.Right + 1
elif os.name == 'posix':
from fcntl import ioctl
from termios import TIOCGWINSZ
from array import array
winsize = array("H", [0] * 4)
try:
ioctl(sys.stdout.fileno(), TIOCGWINSZ, winsize)
except IOError:
pass
return (winsize[1], winsize[0])[0]
return 80
