benoit-cty · August 25, 2023 16:32 · Apr 16, 2021 · Apr 16, 2021 · Apr 16, 2021
diff --git a/slack_backup.py b/slack_backup.py
@@ -1,6 +1,7 @@
 '''
 Script to archive Slack messages from a channel list.
 You have to create a Slack Bot and invite him to private channels.
+View https://github.com/docmarionum1/slack-archive-bot for how to configure your account.
 Then provide the bot token to this script with the list of channels.
 '''
 

diff --git a/gistfile1.txt → slack_backup.py b/gistfile1.txt → slack_backup.py
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,55 @@
+'''
+Script to archive Slack messages from a channel list.
+You have to create a Slack Bot and invite him to private channels.
+Then provide the bot token to this script with the list of channels.
+'''
+
+TOKEN='xoxb-xxxxx-xxxxxx-xxxxxxxxxxx'
+
+channels = {
+    'général': 'CSNLXXXXXX',
+    'veille': 'G01XXXXXX'
+}
+
+# Import WebClient from Python SDK (github.com/slackapi/python-slack-sdk)
+from slack_sdk import WebClient
+from slack_sdk.errors import SlackApiError
+import json
+
+# WebClient insantiates a client that can call API methods
+# When using Bolt, you can use either `app.client` or the `client` passed to listeners.
+client = WebClient(token=TOKEN)
+# Store conversation history
+conversation_history = []
+
+
+def backup_channel(channel_name, channel_id):
+    '''
+    :channel_id: ID of the channel you want to send the message to
+    '''
+    try:
+        print('Getting messages from', channel_name)
+        # Call the conversations.history method using the WebClient
+        # conversations.history returns the first 100 messages by default
+        # These results are paginated
+        result = client.conversations_history(channel=channel_id)
+        all_message = []
+        all_message += result["messages"]
+        while result['has_more']:
+            print("\tGetting more...")
+            result = client.conversations_history(channel=channel_id, cursor=result['response_metadata']['next_cursor'])
+            all_message += result["messages"]
+        # Save to disk
+        filename = f'{channel_name}.json'
+        print(f'  We have downloaded {len(all_message)} messages from {channel_name}.')
+        print('  Saving to', filename)
+        with open(filename, 'w') as outfile:
+            json.dump(all_message, outfile)
+    except SlackApiError as e:
+        print("Error using conversation: {}".format(e))
+
+
+if __name__ == "__main__":
+    # Iterate channels
+    for chan_name, chan_id in channels.items():
+        backup_channel(chan_name, chan_id)