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chatrouter.py
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chatrouter.py
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# -*-coding:utf8;-*-
from typing import Any, Callable, Union
import re
import inspect
"""
Simple but useful router for chatbot.
"""
__author__ = "guangrei"
__version__ = "v1.0.3"
_data: dict = {} # chatrouter storage
data_user: Any = None # data user storage
_start_template_ = """
Welcome to {name}!
{description}
hints: type /help to show help messages.
"""
_help_template_ = """
Router group: {group}
List public commands:
"""
class group:
"""
class ini digunakan untuk membuat command group
"""
def __init__(self, name: str, description: str = "no description!", asynchronous=False) -> None:
"""
fungsi ini adalah kelas konstruktor
"""
self._async = asynchronous
self.start_msg = _start_template_.format(
name=name, description=description).strip()
if name not in _data:
_data[name] = {}
_data[name]["/start"] = {}
if not asynchronous:
_data[name]["/start"]["callback"] = self._start
else:
_data[name]["/start"]["callback"] = self._async_start
_data[name]["/start"]["description"] = "start command!"
_data[name]["/start"]["strict"] = True
_data[name]["/help"] = {}
if not asynchronous:
_data[name]["/help"]["callback"] = self._help
else:
_data[name]["/help"]["callback"] = self._async_help
_data[name]["/help"]["description"] = "help command!"
_data[name]["/help"]["strict"] = True
self.id = name
def add_command(self, route: str, description: str = "", strict: bool = False) -> Callable:
"""
fungsi untuk menambahkan command
"""
method = util.compile(route)
def dec(func: Callable) -> Callable:
if self._async and not inspect.iscoroutinefunction(func):
raise ValueError("function must be awaitable!")
elif not self._async and inspect.iscoroutinefunction(func):
raise ValueError(
"coroutine function is not supported in synchronous mode!")
_data[self.id][method] = {}
_data[self.id][method]["callback"] = func
_data[self.id][method]["description"] = description
_data[self.id][method]["strict"] = strict
return func
return dec
def add_default_command(self) -> Callable:
"""
fungsi untuk menambahkan default command
"""
def dec(func: Callable) -> Callable:
if self._async and not inspect.iscoroutinefunction(func):
raise ValueError("function must be awaitable!")
elif not self._async and inspect.iscoroutinefunction(func):
raise ValueError(
"coroutine function is not supported in synchronous mode!")
_data[self.id]["__default__"] = {}
_data[self.id]["__default__"]["callback"] = func
return func
return dec
def midleware(self) -> Callable:
"""
fungsi untuk menambahkan midleware
"""
def dec(func: Callable) -> Callable:
if self._async and not inspect.iscoroutinefunction(func):
raise ValueError("function must be awaitable!")
elif not self._async and inspect.iscoroutinefunction(func):
raise ValueError(
"coroutine function is not supported in synchronous mode!")
_data[self.id]["__midleware__"] = {}
_data[self.id]["__midleware__"]["callback"] = func
return func
return dec
def _start(self) -> str:
"""
fungsi ini sebagai default callback /start commands
"""
return self.start_msg
async def _async_start(self) -> str:
"""
fungsi ini sebagai default callback /start commands
"""
return self.start_msg
def _help(self) -> str:
"""
fungsi ini sebagai default callback /help commands.
hanya menampilkan publik commands (command yang diawali dengan "/" dan memiliki deskripsi)
"""
hasil = _help_template_.format(group=self.id).strip()
i = 1
for k, v in _data[self.id].items():
if k.startswith("/") and len(v["description"]):
hasil = hasil + f'\n{i}. {k} - {v["description"]}'
i = i+1
return hasil.strip()
async def _async_help(self) -> str:
"""
fungsi ini sebagai default callback /help commands.
hanya menampilkan publik commands (command yang diawali dengan "/" dan memiliki deskripsi)
"""
hasil = _help_template_.format(group=self.id).strip()
i = 1
for k, v in _data[self.id].items():
if k.startswith("/") and len(v["description"]):
hasil = hasil + f'\n{i}. {k} - {v["description"]}'
i = i+1
return hasil.strip()
class util:
"""
class ini berisi utilitas
"""
def get_func(group: str, route: str) -> Callable:
"""
fungsi utilitas ini dapat digunakan untuk mengambil callback pada group dan route tertentu
"""
route = util.compile(route)
return _data[group][route]["callback"]
def compile(string: str) -> str:
"""
fungsi ini untuk mengcompile regex pattern
"""
pattern = re.sub(r'\{([^}]+)\}', r'(.*)', string)
return pattern.strip()
def group_exists(name: str) -> bool:
"""
fungsi ini untuk mengecek group
"""
return name in _data
def command_exists(group: str, command: str) -> bool:
"""
fungsi ini untuk mengecek command
"""
command = util.compile(command)
return command in _data[group]
def remove_command(group: str, command: str) -> None:
"""
fungsi ini untuk menghapus command
"""
command = util.compile(command)
del _data[group][command]
def _route(pattern: str, string: str, strict: bool) -> Union[list, bool]:
"""
fungsi ini private dan berfungsi sebagai route
"""
if strict:
match = re.match(pattern, string.strip())
else:
match = re.match(pattern, string.strip(), re.IGNORECASE)
if match:
return list(match.groups())
else:
return False
async def async_get_func(group: str, route: str) -> Callable:
"""
fungsi utilitas ini dapat digunakan untuk mengambil callback pada group dan route tertentu
"""
route = await util.async_compile(route)
return _data[group][route]["callback"]
async def async_compile(string: str) -> str:
"""
fungsi ini untuk mengcompile regex pattern
"""
pattern = re.sub(r'\{([^}]+)\}', r'(.*)', string)
return pattern.strip()
async def async_group_exists(name: str) -> bool:
"""
fungsi ini untuk mengecek group
"""
return name in _data
async def async_command_exists(group: str, command: str) -> bool:
"""
fungsi ini untuk mengecek command
"""
command = await util.async_compile(command)
return command in _data[group]
async def async_remove_command(group: str, command: str) -> None:
"""
fungsi ini untuk menghapus command
"""
command = await util.async_compile(command)
del _data[group][command]
async def _async_route(pattern: str, string: str, strict: bool) -> Union[list, bool]:
"""
fungsi ini private dan berfungsi sebagai route
"""
if strict:
match = re.match(pattern, string.strip())
else:
match = re.match(pattern, string.strip(), re.IGNORECASE)
if match:
return list(match.groups())
else:
return False
def run(route: group, msg: str) -> Union[str, None]:
"""
ini adalah fungsi utama untuk interpretasi chatrouter
"""
if "__midleware__" in _data[route.id]:
coba = _data[route.id]["__midleware__"]["callback"]()
if coba is not True:
return coba
if len(msg):
for k, v in _data[route.id].items():
if k not in ("__default__", "__midleware__"):
args = util._route(k, msg, v["strict"])
if args is not False:
return v["callback"](*args)
if "__default__" in _data[route.id]:
return _data[route.id]["__default__"]["callback"](msg)
else:
return f"info: no default handler for route {route.id}:{msg}"
async def async_run(route: group, msg: str) -> Union[str, None]:
"""
ini adalah versi async dari function run
"""
if "__midleware__" in _data[route.id]:
coba = await _data[route.id]["__midleware__"]["callback"]()
if coba is not True:
return coba
if len(msg):
for k, v in _data[route.id].items():
if k not in ("__default__", "__midleware__"):
args = await util._async_route(k, msg, v["strict"])
if args is not False:
ret = await v["callback"](*args)
return ret
if "__default__" in _data[route.id]:
ret = await _data[route.id]["__default__"]["callback"](msg)
return ret
else:
return f"info: no default handler for route {route.id}:{msg}"
def add_command(route: str, description: str = "", strict: bool = False, group_route: str = "main", asynchronous: bool = False) -> Callable:
"""
fungsi untuk menambahkan command secara cepat
"""
group(group_route, asynchronous=asynchronous)
method = util.compile(route)
def dec(func: Callable) -> Callable:
if asynchronous and not inspect.iscoroutinefunction(func):
raise ValueError("function must be awaitable!")
elif not asynchronous and inspect.iscoroutinefunction(func):
raise ValueError(
"coroutine function is not supported in synchronous mode!")
_data[group_route][method] = {}
_data[group_route][method]["callback"] = func
_data[group_route][method]["description"] = description
_data[group_route][method]["strict"] = strict
return func
return dec
def add_default_command(group_route: str = "main", asynchronous: bool = False) -> Callable:
"""
fungsi untuk menambahkan default command secara cepat
"""
group(group_route, asynchronous=asynchronous)
def dec(func: Callable) -> Callable:
if asynchronous and not inspect.iscoroutinefunction(func):
raise ValueError("function must be awaitable!")
elif not asynchronous and inspect.iscoroutinefunction(func):
raise ValueError(
"coroutine function is not supported in synchronous mode!")
_data[group_route]["__default__"] = {}
_data[group_route]["__default__"]["callback"] = func
return func
return dec
def midleware(group_route: str = "main", asynchronous: bool = False) -> Callable:
"""
fungsi untuk menambahkan midleware secara cepat
"""
group(group_route, asynchronous=asynchronous)
def dec(func: Callable) -> Callable:
if asynchronous and not inspect.iscoroutinefunction(func):
raise ValueError("function must be awaitable!")
elif not asynchronous and inspect.iscoroutinefunction(func):
raise ValueError(
"coroutine function is not supported in synchronous mode!")
_data[group_route]["__midleware__"] = {}
_data[group_route]["__midleware__"]["callback"] = func
return func
return dec
if __name__ == '__main__':
pass