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Fix minor errors in displaying the UnixCommand

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This commit is contained in:
Vincent Le Goff 2017-06-18 20:29:46 -07:00
parent d6f2d6a305
commit 916d7933aa
1 changed files with 21 additions and 12 deletions
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33
evennia/contrib/unixcommand.py
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@ -149,7 +149,9 @@ class UnixCommand(Command):
try:
self.opts = self.parser.parse_args(shlex.split(self.args))
except ParseError as err:
self.msg(str(err))
msg = str(err)
if msg:
self.msg(msg)
raise InterruptCommand
@ -168,16 +170,17 @@ class EvenniaParser(argparse.ArgumentParser):
prog = prog or command.key
super(EvenniaParser, self).__init__(
prog=prog, description=description,
formatter_class=argparse.RawDescriptionHelpFormatter,
conflict_handler='resolve', **kwargs)
conflict_handler='resolve', add_help=False, **kwargs)
self.command = command
self.post_help = epilog
def n_exit(code=None, msg=None):
if msg:
raise ParseError(msg)
raise ParseError(msg)
self.exit = n_exit
# Replace the -h/--help
self.add_argument("-h", "--hel", nargs=0, action=HelpAction, help="display heeeelp")
def format_usage(self):
"""Return the usage line."""
return raw(super(EvenniaParser, self).format_usage())
@ -185,18 +188,24 @@ class EvenniaParser(argparse.ArgumentParser):
def format_help(self):
"""Return the parser help, including its epilog."""
autohelp = raw(super(EvenniaParser, self).format_help())
return autohelp + "\n\n" + self.post_help
return "\n" + autohelp + "\n" + self.post_help
def print_usage(self, file=None):
"""Print the usage to the caller."""
if self.command:
self.command.msg(ParseError(self.format_usage()))
else:
raise ParseError(self.format_usage())
self.command.msg(self.format_usage().strip())
def print_help(self, file=None):
"""Print the help to the caller."""
if self.command:
self.command.msg(ParseError(self.format_help()))
else:
raise ParseError(self.format_help())
self.command.msg(self.format_help().strip())
class HelpAction(argparse.Action):
"""Override the -h/--he.p."""
def __call__(self, parser, namespace, values, option_string=None):
if parser.command:
parser.command.msg(parser.format_help().strip())
parser.exit(0, "")