本文整理汇总了Python中_entropy.eit.commands.descriptor.EitCommandDescriptor.obtain方法的典型用法代码示例。如果您正苦于以下问题：Python EitCommandDescriptor.obtain方法的具体用法？Python EitCommandDescriptor.obtain怎么用？Python EitCommandDescriptor.obtain使用的例子？那么, 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_entropy.eit.commands.descriptor.EitCommandDescriptor的用法示例。
在下文中一共展示了EitCommandDescriptor.obtain方法的3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: bashcomp
# 需要导入模块: from _entropy.eit.commands.descriptor import EitCommandDescriptor [as 别名]
# 或者: from _entropy.eit.commands.descriptor.EitCommandDescriptor import obtain [as 别名]
def bashcomp(self, last_arg):
"""
Overridden from EitCommand
"""
import sys
descriptors = EitCommandDescriptor.obtain()
descriptors.sort(key = lambda x: x.get_name())
outcome = []
for descriptor in descriptors:
name = descriptor.get_name()
if name == EitHelp.NAME:
# do not add self
continue
outcome.append(name)
aliases = descriptor.get_class().ALIASES
outcome.extend(aliases)
def _startswith(string):
if last_arg is not None:
return string.startswith(last_arg)
return True
outcome = sorted(filter(_startswith, outcome))
sys.stdout.write(" ".join(outcome) + "\n")
sys.stdout.flush()示例2: _show_help
# 需要导入模块: from _entropy.eit.commands.descriptor import EitCommandDescriptor [as 别名]
# 或者: from _entropy.eit.commands.descriptor.EitCommandDescriptor import obtain [as 别名]
def _show_help(self, *args):
parser = argparse.ArgumentParser(
description=_("Entropy Infrastructure Toolkit"),
epilog="http://www.sabayon.org",
formatter_class=ColorfulFormatter)
descriptors = EitCommandDescriptor.obtain()
descriptors.sort(key = lambda x: x.get_name())
group = parser.add_argument_group("command", "available commands")
for descriptor in descriptors:
aliases = descriptor.get_class().ALIASES
aliases_str = ", ".join([teal(x) for x in aliases])
if aliases_str:
aliases_str = " [%s]" % (aliases_str,)
name = "%s%s" % (purple(descriptor.get_name()),
aliases_str)
desc = descriptor.get_description()
group.add_argument(name, help=darkgreen(desc), action="store_true")
parser.print_help()
if not self._args:
return 1
return 0示例3: main
# 需要导入模块: from _entropy.eit.commands.descriptor import EitCommandDescriptor [as 别名]
# 或者: from _entropy.eit.commands.descriptor.EitCommandDescriptor import obtain [as 别名]
def main():
install_exception_handler()
descriptors = EitCommandDescriptor.obtain()
args_map = {}
catch_all = None
for descriptor in descriptors:
klass = descriptor.get_class()
if klass.CATCH_ALL:
catch_all = klass
args_map[klass.NAME] = klass
for alias in klass.ALIASES:
args_map[alias] = klass
args = sys.argv[1:]
# convert args to unicode, to avoid passing
# raw string stuff down to entropy layers
def _to_unicode(arg):
try:
return const_convert_to_unicode(
arg, enctype=etpConst['conf_encoding'])
except UnicodeDecodeError:
print_error("invalid argument: %s" % (arg,))
raise SystemExit(1)
args = list(map(_to_unicode, args))
is_bashcomp = False
if "--bashcomp" in args:
is_bashcomp = True
args.remove("--bashcomp")
# the first eit, because bash does:
# argv -> eit --bashcomp eit add
# and we need to drop --bashcomp and
# argv[2]
args.pop(0)
cmd = None
last_arg = None
if args:
last_arg = args[-1]
cmd = args[0]
args = args[1:]
cmd_class = args_map.get(cmd)
if cmd_class is None:
cmd_class = catch_all
cmd_obj = cmd_class(args)
if is_bashcomp:
try:
cmd_obj.bashcomp(last_arg)
except NotImplementedError:
pass
raise SystemExit(0)
# non-root users not allowed
allowed = True
if os.getuid() != 0 and \
cmd_class is not catch_all:
if not cmd_class.ALLOW_UNPRIVILEGED:
cmd_class = catch_all
allowed = False
func, func_args = cmd_obj.parse()
if allowed:
exit_st = func(*func_args)
raise SystemExit(exit_st)
else:
print_error(_("superuser access required"))
raise SystemExit(1)