[Add] init

.env.example

@@ -0,0 +1,3 @@
+PHONE=+1234567890
+API_ID=123456789
+API_HASH=0123456789abcdef0123456789abcdef

.gitignore

@@ -158,3 +158,7 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+.idea/
+*.session
+*.csv

README.md

@@ -1,2 +1,25 @@
 # export-telegram-group-members
+
 Export Telegram group members
+
+## How to use
+
+1. Clone this repository:
+
+```bash
+git clone https://github.com/tiennm99/export-telegram-group-members.git
+```
+
+2. Install requirements:
+
+```bash
+pip install -r requirements.txt
+```
+
+3. Create a new Telegram app at [https://my.telegram.org](https://my.telegram.org) and get the `api_id` and `api_hash`.
+4. Copy `.env.example` to `.env` and fill in the `api_id`, `api_hash`, and `phone`.
+5. Run the script:
+
+```bash
+python main.py
+```

common.py

@@ -0,0 +1,22 @@
+import csv
+import os
+import re
+from datetime import datetime
+
+now = datetime.now()
+folder_name = now.strftime('%Y-%m-%d %H-%M-%S')
+os.mkdir(folder_name)
+
+
+def remove_special_characters(string):
+    return re.sub('[<>:"/\\\\|?*]', '', string)
+
+
+def export_csv(group_name, members):
+    filename = remove_special_characters(group_name) + '.csv'
+    path = os.path.join(folder_name, filename)
+    with open(path, 'w', encoding='UTF-8') as f:
+        writer = csv.writer(f, delimiter=',', lineterminator='\n')
+        writer.writerow(['id', 'username', 'first_name', 'last_name'])
+        for member in members:
+            writer.writerow([member.id, member.username, member.first_name, member.last_name])

config.py

@@ -0,0 +1,11 @@
+import os
+
+from dotenv import load_dotenv
+
+load_dotenv()
+
+phone = os.getenv('PHONE')
+api_id = os.getenv('API_ID')
+api_hash = os.getenv('API_HASH')
+
+group_names_to_export = ['sample1', 'sample2']  # Add the group names you want to export here

main.py

@@ -0,0 +1,33 @@
+import getpass
+
+from telethon.errors import SessionPasswordNeededError
+from telethon.sync import TelegramClient
+
+from common import *
+from config import *
+
+client = TelegramClient(phone, api_id, api_hash)
+
+client.connect()
+if not client.is_user_authorized():
+    client.send_code_request(phone)
+    try:
+        client.sign_in(code=input('Enter code: '))
+    except SessionPasswordNeededError:
+        client.sign_in(password=getpass.getpass())
+
+client.start(phone)
+
+dialogs = client.get_dialogs()
+for dialog in dialogs:
+    if not dialog.is_group:
+        print('skip ' + dialog.name + ' because it is not a group.')
+        continue
+    if dialog.name not in group_names_to_export:
+        print('skip ' + dialog.name + ' because it is not in the list of group names to export.')
+        continue
+    print('exporting ' + dialog.name)
+    members = client.get_participants(dialog)
+    members.sort(key=lambda x: x.id)
+    export_csv(dialog.name, members)
+    print('export ' + dialog.name + ' done.')

requirements.txt

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+pyaes==1.6.1
+pyasn1==0.6.0
+python-dotenv==1.0.1
+rsa==4.9
+Telethon==1.34.0