本文整理匯總了Python中absl.flags.text_wrap方法的典型用法代碼示例。如果您正苦於以下問題：Python flags.text_wrap方法的具體用法？Python flags.text_wrap怎麽用？Python flags.text_wrap使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類absl.flags的用法示例。
在下文中一共展示了flags.text_wrap方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_text_wrap_raises_on_excessive_indent
# 需要導入模塊: from absl import flags [as 別名]
# 或者: from absl.flags import text_wrap [as 別名]
def test_text_wrap_raises_on_excessive_indent(self):
"""Ensure an indent longer than line length raises."""
self.assertRaises(ValueError,
flags.text_wrap, 'dummy', length=10, indent=' ' * 10) 示例2: test_text_wrap_raises_on_excessive_first_line
# 需要導入模塊: from absl import flags [as 別名]
# 或者: from absl.flags import text_wrap [as 別名]
def test_text_wrap_raises_on_excessive_first_line(self):
"""Ensure a first line indent longer than line length raises."""
self.assertRaises(
ValueError,
flags.text_wrap, 'dummy', length=80, firstline_indent=' ' * 80) 示例3: usage
# 需要導入模塊: from absl import flags [as 別名]
# 或者: from absl.flags import text_wrap [as 別名]
def usage(shorthelp=False, writeto_stdout=False, detailed_error=None,
exitcode=None):
"""Writes __main__'s docstring to stderr with some help text.
Args:
shorthelp: bool, if True, prints only flags from the main module,
rather than all flags.
writeto_stdout: bool, if True, writes help message to stdout,
rather than to stderr.
detailed_error: str, additional detail about why usage info was presented.
exitcode: optional integer, if set, exits with this status code after
writing help.
"""
if writeto_stdout:
stdfile = sys.stdout
else:
stdfile = sys.stderr
doc = sys.modules['__main__'].__doc__
if not doc:
doc = '\nUSAGE: %s [flags]\n' % sys.argv[0]
doc = flags.text_wrap(doc, indent=' ', firstline_indent='')
else:
# Replace all '%s' with sys.argv[0], and all '%%' with '%'.
num_specifiers = doc.count('%') - 2 * doc.count('%%')
try:
doc %= (sys.argv[0],) * num_specifiers
except (OverflowError, TypeError, ValueError):
# Just display the docstring as-is.
pass
if shorthelp:
flag_str = FLAGS.main_module_help()
else:
flag_str = FLAGS.get_help()
try:
stdfile.write(doc)
if flag_str:
stdfile.write('\nflags:\n')
stdfile.write(flag_str)
stdfile.write('\n')
if detailed_error is not None:
stdfile.write('\n%s\n' % detailed_error)
except IOError as e:
# We avoid printing a huge backtrace if we get EPIPE, because
# "foo.par --help | less" is a frequent use case.
if e.errno != errno.EPIPE:
raise
if exitcode is not None:
sys.exit(exitcode)