QChatGPT/pkg/qqbot/cmds/aamgr.py
2023-05-18 19:44:20 +08:00

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import importlib
import inspect
import logging
import copy
import pkgutil
import traceback
import types
import json
__command_list__ = {}
import tips as tips_custom
"""命令树
结构:
{
'cmd1': {
'description': 'cmd1 description',
'usage': 'cmd1 usage',
'aliases': ['cmd1 alias1', 'cmd1 alias2'],
'privilege': 0,
'parent': None,
'cls': <class 'pkg.qqbot.cmds.cmd1.CommandCmd1'>,
'sub': [
'cmd1-1'
]
},
'cmd1.cmd1-1: {
'description': 'cmd1-1 description',
'usage': 'cmd1-1 usage',
'aliases': ['cmd1-1 alias1', 'cmd1-1 alias2'],
'privilege': 0,
'parent': 'cmd1',
'cls': <class 'pkg.qqbot.cmds.cmd1.CommandCmd1_1'>,
'sub': []
},
'cmd2': {
'description': 'cmd2 description',
'usage': 'cmd2 usage',
'aliases': ['cmd2 alias1', 'cmd2 alias2'],
'privilege': 0,
'parent': None,
'cls': <class 'pkg.qqbot.cmds.cmd2.CommandCmd2'>,
'sub': [
'cmd2-1'
]
},
'cmd2.cmd2-1': {
'description': 'cmd2-1 description',
'usage': 'cmd2-1 usage',
'aliases': ['cmd2-1 alias1', 'cmd2-1 alias2'],
'privilege': 0,
'parent': 'cmd2',
'cls': <class 'pkg.qqbot.cmds.cmd2.CommandCmd2_1'>,
'sub': [
'cmd2-1-1'
]
},
'cmd2.cmd2-1.cmd2-1-1': {
'description': 'cmd2-1-1 description',
'usage': 'cmd2-1-1 usage',
'aliases': ['cmd2-1-1 alias1', 'cmd2-1-1 alias2'],
'privilege': 0,
'parent': 'cmd2.cmd2-1',
'cls': <class 'pkg.qqbot.cmds.cmd2.CommandCmd2_1_1'>,
'sub': []
},
}
"""
__tree_index__: dict[str, list] = {}
"""命令树索引
结构:
{
'pkg.qqbot.cmds.cmd1.CommandCmd1': 'cmd1', # 顶级指令
'pkg.qqbot.cmds.cmd1.CommandCmd1_1': 'cmd1.cmd1-1', # 类名: 节点路径
'pkg.qqbot.cmds.cmd2.CommandCmd2': 'cmd2',
'pkg.qqbot.cmds.cmd2.CommandCmd2_1': 'cmd2.cmd2-1',
'pkg.qqbot.cmds.cmd2.CommandCmd2_1_1': 'cmd2.cmd2-1.cmd2-1-1',
}
"""
class Context:
"""命令执行上下文"""
command: str
"""顶级指令文本"""
crt_command: str
"""当前子指令文本"""
params: list
"""完整参数列表"""
crt_params: list
"""当前子指令参数列表"""
session_name: str
"""会话名"""
text_message: str
"""指令完整文本"""
launcher_type: str
"""指令发起者类型"""
launcher_id: int
"""指令发起者ID"""
sender_id: int
"""指令发送者ID"""
is_admin: bool
"""[过时]指令发送者是否为管理员"""
privilege: int
"""指令发送者权限等级"""
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
class AbstractCommandNode:
"""指令抽象类"""
parent: type
"""父指令类"""
name: str
"""指令名"""
description: str
"""指令描述"""
usage: str
"""指令用法"""
aliases: list[str]
"""指令别名"""
privilege: int
"""指令权限等级, 权限大于等于此值的用户才能执行指令"""
@classmethod
def process(cls, ctx: Context) -> tuple[bool, list]:
"""指令处理函数
:param ctx: 指令执行上下文
:return: (是否执行, 回复列表(若执行))
若未执行,将自动以下一个参数查找并执行子指令
"""
raise NotImplementedError
@classmethod
def help(cls) -> str:
"""获取指令帮助信息"""
return '指令: {}\n描述: {}\n用法: \n{}\n别名: {}\n权限: {}'.format(
cls.name,
cls.description,
cls.usage,
', '.join(cls.aliases),
cls.privilege
)
@staticmethod
def register(
parent: type = None,
name: str = None,
description: str = None,
usage: str = None,
aliases: list[str] = None,
privilege: int = 0
):
"""注册指令
:param cls: 指令类
:param name: 指令名
:param parent: 父指令类
"""
global __command_list__, __tree_index__
def wrapper(cls):
cls.name = name
cls.parent = parent
cls.description = description
cls.usage = usage
cls.aliases = aliases
cls.privilege = privilege
logging.debug("cls: {}, name: {}, parent: {}".format(cls, name, parent))
if parent is None:
# 顶级指令注册
__command_list__[name] = {
'description': cls.description,
'usage': cls.usage,
'aliases': cls.aliases,
'privilege': cls.privilege,
'parent': None,
'cls': cls,
'sub': []
}
# 更新索引
__tree_index__[cls.__module__ + '.' + cls.__name__] = name
else:
# 获取父节点名称
path = __tree_index__[parent.__module__ + '.' + parent.__name__]
parent_node = __command_list__[path]
# 链接父子指令
__command_list__[path]['sub'].append(name)
# 注册子指令
__command_list__[path + '.' + name] = {
'description': cls.description,
'usage': cls.usage,
'aliases': cls.aliases,
'privilege': cls.privilege,
'parent': path,
'cls': cls,
'sub': []
}
# 更新索引
__tree_index__[cls.__module__ + '.' + cls.__name__] = path + '.' + name
return cls
return wrapper
class CommandPrivilegeError(Exception):
"""指令权限不足或不存在异常"""
pass
# 传入Context对象广搜命令树返回执行结果
# 若命令被处理返回reply列表
# 若命令未被处理,继续执行下一级指令
# 若命令不存在,报异常
def execute(context: Context) -> list:
"""执行指令
:param ctx: 指令执行上下文
:return: 回复列表
"""
global __command_list__
# 拷贝ctx
ctx: Context = copy.deepcopy(context)
# 从树取出顶级指令
node = __command_list__
path = ctx.command
while True:
try:
node = __command_list__[path]
logging.debug('执行指令: {}'.format(path))
# 检查权限
if ctx.privilege < node['privilege']:
raise CommandPrivilegeError(tips_custom.command_admin_message+"{}".format(path))
# 执行
execed, reply = node['cls'].process(ctx)
if execed:
return reply
else:
# 删除crt_params第一个参数
ctx.crt_command = ctx.crt_params.pop(0)
# 下一个path
path = path + '.' + ctx.crt_command
except KeyError:
traceback.print_exc()
raise CommandPrivilegeError(tips_custom.command_err_message+"{}".format(path))
def register_all():
"""启动时调用此函数注册所有指令
递归处理pkg.qqbot.cmds包下及其子包下所有模块的所有继承于AbstractCommand的类
"""
# 模块遍历其中的继承于AbstractCommand的类进行注册
# 包:递归处理包下的模块
# 排除__开头的属性
global __command_list__, __tree_index__
import pkg.qqbot.cmds
def walk(module, prefix, path_prefix):
# 排除不处于pkg.qqbot.cmds中的包
if not module.__name__.startswith('pkg.qqbot.cmds'):
return
logging.debug('walk: {}, path: {}'.format(module.__name__, module.__path__))
for item in pkgutil.iter_modules(module.__path__):
if item.name.startswith('__'):
continue
if item.ispkg:
walk(__import__(module.__name__ + '.' + item.name, fromlist=['']), prefix + item.name + '.', path_prefix + item.name + '/')
else:
m = __import__(module.__name__ + '.' + item.name, fromlist=[''])
# for name, cls in inspect.getmembers(m, inspect.isclass):
# # 检查是否为指令类
# if cls.__module__ == m.__name__ and issubclass(cls, AbstractCommandNode) and cls != AbstractCommandNode:
# cls.register(cls, cls.name, cls.parent)
walk(pkg.qqbot.cmds, '', '')
logging.debug(__command_list__)
def apply_privileges():
"""读取cmdpriv.json并应用指令权限"""
# 读取内容
json_str = ""
with open('cmdpriv.json', 'r', encoding="utf-8") as f:
json_str = f.read()
data = json.loads(json_str)
for path, priv in data.items():
if path == 'comment':
continue
if __command_list__[path]['privilege'] != priv:
logging.debug('应用权限: {} -> {}(default: {})'.format(path, priv, __command_list__[path]['privilege']))
__command_list__[path]['privilege'] = priv