Files
tg_bot_collections/handlers/_utils.py
yihong0618 d54ac9ed54 fix: another
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
2025-07-09 08:52:36 +08:00

214 lines
7.5 KiB
Python

from __future__ import annotations
import base64
import logging
import re
from functools import update_wrapper
from mimetypes import guess_type
from typing import Any, Callable, TypeVar
import requests
import telegramify_markdown
from expiringdict import ExpiringDict
from telebot import TeleBot
from telebot.types import Message
from telebot.util import smart_split
from telegramify_markdown.customize import get_runtime_config
from urlextract import URLExtract
get_runtime_config().markdown_symbol.head_level_1 = (
"📌" # If you want, Customizing the head level 1 symbol
)
get_runtime_config().markdown_symbol.link = (
"🔗" # If you want, Customizing the link symbol
)
T = TypeVar("T", bound=Callable)
logger = logging.getLogger("bot")
BOT_MESSAGE_LENGTH = 4000
REPLY_MESSAGE_CACHE = ExpiringDict(max_len=1000, max_age_seconds=600)
def bot_reply_first(message: Message, who: str, bot: TeleBot) -> Message:
"""Create the first reply message which make user feel the bot is working."""
return bot.reply_to(
message, f"*{who}* is _thinking_ \.\.\.", parse_mode="MarkdownV2"
)
def bot_reply_markdown(
reply_id: Message,
who: str,
text: str,
bot: TeleBot,
split_text: bool = True,
disable_web_page_preview: bool = False,
) -> bool:
"""
reply the Markdown by take care of the message length.
it will fallback to plain text in case of any failure
"""
try:
cache_key = f"{reply_id.chat.id}_{reply_id.message_id}"
if cache_key in REPLY_MESSAGE_CACHE and REPLY_MESSAGE_CACHE[cache_key] == text:
logger.info(f"Skipping duplicate message for {cache_key}")
return True
REPLY_MESSAGE_CACHE[cache_key] = text
if len(text.encode("utf-8")) <= BOT_MESSAGE_LENGTH or not split_text:
bot.edit_message_text(
f"*{who}*:\n{telegramify_markdown.markdownify(text)}",
chat_id=reply_id.chat.id,
message_id=reply_id.message_id,
parse_mode="MarkdownV2",
disable_web_page_preview=disable_web_page_preview,
)
return True
# Need a split of message
msgs = smart_split(text, BOT_MESSAGE_LENGTH)
bot.edit_message_text(
f"*{who}* \[1/{len(msgs)}\]:\n{telegramify_markdown.markdownify(msgs[0])}",
chat_id=reply_id.chat.id,
message_id=reply_id.message_id,
parse_mode="MarkdownV2",
disable_web_page_preview=disable_web_page_preview,
)
for i in range(1, len(msgs)):
bot.reply_to(
reply_id.reply_to_message,
f"*{who}* \[{i + 1}/{len(msgs)}\\]:\n{telegramify_markdown.markdownify(msgs[i])}",
parse_mode="MarkdownV2",
)
return True
except Exception:
logger.exception("Error in bot_reply_markdown")
# logger.info(f"wrong markdown format: {text}")
bot.edit_message_text(
f"*{who}*:\n{text}",
chat_id=reply_id.chat.id,
message_id=reply_id.message_id,
disable_web_page_preview=disable_web_page_preview,
)
return False
def extract_prompt(message: str, bot_name: str) -> str:
"""
This function filters messages for prompts.
Returns:
str: If it is not a prompt, return None. Otherwise, return the trimmed prefix of the actual prompt.
"""
# remove '@bot_name' as it is considered part of the command when in a group chat.
message = re.sub(re.escape(f"@{bot_name}"), "", message).strip()
# add a whitespace after the first colon as we separate the prompt from the command by the first whitespace.
message = re.sub(":", ": ", message, count=1).strip()
try:
left, message = message.split(maxsplit=1)
except ValueError:
return ""
if ":" not in left:
# the replacement happens in the right part, restore it.
message = message.replace(": ", ":", 1)
return message.strip()
def remove_prompt_prefix(message: str) -> str:
"""
Remove "/cmd" or "/cmd@bot_name" or "cmd:"
"""
message += " "
# Explanation of the regex pattern:
# ^ - Match the start of the string
# ( - Start of the group
# / - Literal forward slash
# [a-zA-Z] - Any letter (start of the command)
# [a-zA-Z0-9_]* - Any number of letters, digits, or underscores
# (@\w+)? - Optionally match @ followed by one or more word characters (for bot name)
# \s - A single whitespace character (space or newline)
# | - OR
# [a-zA-Z] - Any letter (start of the command)
# [a-zA-Z0-9_]* - Any number of letters, digits, or underscores
# :\s - Colon followed by a single whitespace character
# ) - End of the group
pattern = r"^(/[a-zA-Z][a-zA-Z0-9_]*(@\w+)?\s|[a-zA-Z][a-zA-Z0-9_]*:\s)"
return re.sub(pattern, "", message).strip()
def non_llm_handler(handler: T) -> T:
handler.__is_llm_handler__ = False
return handler
def wrap_handler(handler: T, bot: TeleBot) -> T:
def wrapper(message: Message, *args: Any, **kwargs: Any) -> None:
try:
if getattr(handler, "__is_llm_handler__", True):
m = ""
if message.text is not None:
m = message.text = extract_prompt(
message.text, bot.get_me().username
)
elif message.caption is not None:
m = message.caption = extract_prompt(
message.caption, bot.get_me().username
)
elif message.location and message.location.latitude is not None:
# for location map handler just return
return handler(message, *args, **kwargs)
if not m:
bot.reply_to(message, "Please provide info after start words.")
return
return handler(message, *args, **kwargs)
except Exception as e:
logger.exception("Error in handler %s: %s", handler.__name__, e)
# handle more here
if str(e).find("RECITATION") > 0:
bot.reply_to(message, "Your prompt `RECITATION` please check the log")
else:
bot.reply_to(message, "Something wrong, please check the log")
return update_wrapper(wrapper, handler)
def extract_url_from_text(text: str) -> list[str]:
extractor = URLExtract()
urls = extractor.find_urls(text)
return urls
def get_text_from_jina_reader(url: str):
try:
r = requests.get(f"https://r.jina.ai/{url}")
return r.text
except Exception as e:
logger.exception("Error fetching text from Jina reader: %s", e)
return None
def enrich_text_with_urls(text: str) -> str:
urls = extract_url_from_text(text)
for u in urls:
try:
url_text = get_text_from_jina_reader(u)
url_text = f"\n```markdown\n{url_text}\n```\n"
text = text.replace(u, url_text)
except Exception:
# just ignore the error
pass
return text
def image_to_data_uri(file_path):
content_type = guess_type(file_path)[0]
with open(file_path, "rb") as image_file:
encoded_image = base64.b64encode(image_file.read()).decode("utf-8")
return f"data:{content_type};base64,{encoded_image}"