132 lines
5.5 KiB
Python
132 lines
5.5 KiB
Python
import re
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import shlex
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import traceback
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from typing import Union
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from core.docopt import docopt, DocoptExit
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from core.elements import Command, Option, Schedule, StartUp, RegexCommand, command_prefix, MessageSession
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from core.exceptions import InvalidCommandFormatError, InvalidHelpDocTypeError
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command_prefix_first = command_prefix[0]
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class CommandParser:
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def __init__(self, args: Union[str, list, tuple, Command, Option, Schedule, StartUp, RegexCommand], prefix=None,
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msg: MessageSession = None):
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"""
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Format: https://github.com/jazzband/docopt-ng#usage-pattern-format
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* {} - Detail help information
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"""
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self.bind_prefix = prefix
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self.origin_template = args
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self.msg: Union[MessageSession, None] = msg
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self.options_desc = []
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if isinstance(args, Command):
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self.bind_prefix = args.bind_prefix
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help_doc_list = []
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none_doc = True
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for match in (args.match_list.set if self.msg is None else args.match_list.get(self.msg.target.targetFrom)):
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if match.help_doc is not None:
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none_doc = False
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help_doc_list = help_doc_list + match.help_doc
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if match.options_desc is not None:
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for m in match.options_desc:
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self.options_desc.append(f'{m} {match.options_desc[m]}')
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if not none_doc:
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args = help_doc_list
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else:
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args = None
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elif isinstance(args, (Schedule, StartUp, Option, RegexCommand)):
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args = None
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if args is None:
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self.args = None
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return
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if isinstance(args, str):
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args = [args]
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self.args_raw = args
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elif isinstance(args, tuple):
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args = list(args)
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if isinstance(args, list):
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arglst_raw = []
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arglst = []
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for x in args:
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split = x.split(' ')[0]
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if self.bind_prefix is not None:
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if split not in [command_prefix_first + self.bind_prefix, self.bind_prefix]:
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x = f'{command_prefix_first}{self.bind_prefix} {x}'
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arglst_raw.append(x)
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match_detail_help = re.match('(.*){.*}$', x, re.M | re.S)
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if match_detail_help:
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x = match_detail_help.group(1)
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arglst.append(x)
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self.args_raw = arglst_raw
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self.args = 'Usage:\n ' + '\n '.join(y for y in arglst)
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else:
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raise InvalidHelpDocTypeError
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def return_formatted_help_doc(self) -> str:
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if self.args is None:
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return '（此模块没有帮助信息）'
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args_raw = self.args_raw
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if isinstance(args_raw, list):
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arglst = []
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for x in args_raw:
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if x[0] not in command_prefix:
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x = command_prefix_first + x
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match_detail_help = re.match('(.*){(.*)}$', x, re.M | re.S)
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if match_detail_help:
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x = f'{match_detail_help.group(1)}- {match_detail_help.group(2)}'
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arglst.append(x)
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args = '\n'.join(y for y in arglst)
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else:
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raise InvalidHelpDocTypeError
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if self.options_desc:
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args += '\n参数：\n' + '\n'.join(self.options_desc)
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return args
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def parse(self, command):
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if self.args is None:
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return None
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command = re.sub(r'[“”]', '"', command)
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try:
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split_command = shlex.split(command)
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except ValueError:
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split_command = command.split(' ')
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try:
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if not isinstance(self.origin_template, Command):
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if len(split_command) == 1:
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return None
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return docopt(self.args, argvs=split_command[1:], default_help=False)
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else:
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if len(split_command) == 1:
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for match in (self.origin_template.match_list.set if self.msg is None else
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self.origin_template.match_list.get(self.msg.target.targetFrom)):
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if match.help_doc is None:
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return match, None
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raise InvalidCommandFormatError
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else:
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base_match = docopt(self.args, argvs=split_command[1:], default_help=False)
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for match in (self.origin_template.match_list.set if self.msg is None else
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self.origin_template.match_list.get(self.msg.target.targetFrom)):
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if match.help_doc is None:
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continue
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try:
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sub_args = CommandParser(match.help_doc, prefix=self.bind_prefix).args
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if sub_args is not None:
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get_parse = docopt(sub_args,
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argvs=split_command[1:], default_help=False)
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else:
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continue
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except DocoptExit:
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continue
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correct = True
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for g in get_parse:
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if g not in base_match or get_parse[g] != base_match[g]:
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correct = False
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if correct:
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return match, get_parse
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except DocoptExit:
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traceback.print_exc()
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raise InvalidCommandFormatError
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