本文整理汇总了Python中os.terminal_size方法的典型用法代码示例。如果您正苦于以下问题：Python os.terminal_size方法的具体用法？Python os.terminal_size怎么用？Python os.terminal_size使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类os的用法示例。
在下文中一共展示了os.terminal_size方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_terminal_size_stderr
# 需要导入模块: import os [as 别名]
# 或者: from os import terminal_size [as 别名]
def get_terminal_size_stderr(fallback=(80, 24)):
"""
Unlike shutil.get_terminal_size, which looks at stdout, this looks at stderr.
"""
try:
size = os.get_terminal_size(sys.__stderr__.fileno())
except (AttributeError, ValueError, OSError):
size = os.terminal_size(fallback)
return size 示例2: test_get_terminal_size
# 需要导入模块: import os [as 别名]
# 或者: from os import terminal_size [as 别名]
def test_get_terminal_size(self, mock_os):
ts = os.terminal_size((10, 5))
mock_os.get_terminal_size.return_value = ts
width = utils.terminal_width(sys.stdout)
self.assertEqual(10, width)
mock_os.get_terminal_size.side_effect = OSError()
width = utils.terminal_width(sys.stdout)
self.assertIs(None, width) 示例3: __enter__
# 需要导入模块: import os [as 别名]
# 或者: from os import terminal_size [as 别名]
def __enter__(self) -> os.terminal_size:
real_term_geometry = shutil.get_terminal_size((80, 80))
if sys.stdin.isatty():
tty.setcbreak(sys.stdin.fileno())
if sys.stderr.isatty():
tty.setcbreak(sys.stderr.fileno())
if sys.stdout.isatty():
tty.setcbreak(sys.stdout.fileno())
return real_term_geometry 示例4: get_terminal_size
# 需要导入模块: import os [as 别名]
# 或者: from os import terminal_size [as 别名]
def get_terminal_size(fallback=(80, 24)):
"""Get the size of the terminal window.
For each of the two dimensions, the environment variable, COLUMNS
and LINES respectively, is checked. If the variable is defined and
the value is a positive integer, it is used.
When COLUMNS or LINES is not defined, which is the common case,
the terminal connected to sys.__stdout__ is queried
by invoking os.get_terminal_size.
If the terminal size cannot be successfully queried, either because
the system doesn't support querying, or because we are not
connected to a terminal, the value given in fallback parameter
is used. Fallback defaults to (80, 24) which is the default
size used by many terminal emulators.
The value returned is a named tuple of type os.terminal_size.
"""
# columns, lines are the working values
try:
columns = int(os.environ['COLUMNS'])
except (KeyError, ValueError):
columns = 0
try:
lines = int(os.environ['LINES'])
except (KeyError, ValueError):
lines = 0
# only query if necessary
if columns <= 0 or lines <= 0:
try:
size = os.get_terminal_size(sys.__stdout__.fileno())
except (NameError, OSError):
size = os.terminal_size(fallback)
if columns <= 0:
columns = size.columns
if lines <= 0:
lines = size.lines
return os.terminal_size((columns, lines)) 示例5: get_terminal_size
# 需要导入模块: import os [as 别名]
# 或者: from os import terminal_size [as 别名]
def get_terminal_size(fallback=(80, 24)):
"""Get the size of the terminal window.
For each of the two dimensions, the environment variable, COLUMNS
and LINES respectively, is checked. If the variable is defined and
the value is a positive integer, it is used.
When COLUMNS or LINES is not defined, which is the common case,
the terminal connected to sys.__stdout__ is queried
by invoking os.get_terminal_size.
If the terminal size cannot be successfully queried, either because
the system doesn't support querying, or because we are not
connected to a terminal, the value given in fallback parameter
is used. Fallback defaults to (80, 24) which is the default
size used by many terminal emulators.
The value returned is a named tuple of type os.terminal_size.
"""
# columns, lines are the working values
try:
columns = int(os.environ['COLUMNS'])
except (KeyError, ValueError):
columns = 0
try:
lines = int(os.environ['LINES'])
except (KeyError, ValueError):
lines = 0
# only query if necessary
if columns <= 0 or lines <= 0:
try:
size = os.get_terminal_size(sys.__stdout__.fileno())
except (AttributeError, ValueError, OSError):
# stdout is None, closed, detached, or not a terminal, or
# os.get_terminal_size() is unsupported
size = os.terminal_size(fallback)
if columns <= 0:
columns = size.columns
if lines <= 0:
lines = size.lines
return os.terminal_size((columns, lines))