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Update welcome_bot.py example

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Delete the previous message in case of consecutive member joins and
send a new one containing the names of all the previous new members
This commit is contained in:
Dan 2018-12-10 15:15:21 +01:00
parent 436c48d1c2
commit 19ad70455f
1 changed files with 28 additions and 10 deletions
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38
examples/welcome_bot.py
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@ -6,22 +6,40 @@ to make it only work for specific messages in a specific chat.
from pyrogram import Client, Emoji, Filters from pyrogram import Client, Emoji, Filters
MENTION = "[{}](tg://user?id={})" USER = "**{}**"
MESSAGE = "{} Welcome to [Pyrogram](https://docs.pyrogram.ml/)'s group chat {}!" MESSAGE = "{} Welcome to [Pyrogram](https://docs.pyrogram.ml/)'s group chat {{}}!".format(Emoji.SPARKLES)
app = Client("my_account") app = Client("dan_prod")
enabled_groups = Filters.chat("PyrogramLounge")
last_welcomes = {}
@app.on_message(Filters.chat("PyrogramChat") & Filters.new_chat_members) @app.on_message(enabled_groups & Filters.new_chat_members)
def welcome(client, message): def welcome(client, message):
# Build the new members list (with mentions) by using their first_name chat_id = message.chat.id
new_members = [MENTION.format(i.first_name, i.id) for i in message.new_chat_members]
# Build the welcome message by using an emoji and the list we built above # Get the previous welcome message and members, if any
text = MESSAGE.format(Emoji.SPARKLES, ", ".join(new_members)) previous_welcome, previous_members = last_welcomes.pop(chat_id, (None, []))
# Send the welcome message # Delete the previous message, if exists
message.reply(text, disable_web_page_preview=True) if previous_welcome:
previous_welcome.delete()
# Build the new members list by using their first_name. Also append the previous members, if any
new_members = [USER.format(i.first_name) for i in message.new_chat_members] + previous_members
# Build the welcome message by using an emoji and the list we created above
text = MESSAGE.format(", ".join(new_members))
# Actually send the welcome and save the new message and the new members list
last_welcomes[message.chat.id] = message.reply(text, disable_web_page_preview=True), new_members
@app.on_message(enabled_groups)
def reset(client, message):
# Don't make the bot delete the previous welcome in case someone talks in the middle
last_welcomes.pop(message.chat.id, None)
app.run() # Automatically start() and idle() app.run() # Automatically start() and idle()