Mastodon bot

README.md

@@ -32,6 +32,13 @@ A demo bot can be found here: https://t.me/FortunesSpamBot
 
 You can use the content of the *telegram-bot* directory to create your own Telegram bot; don't forget to run it specifying the **SPAMBOT_TOKEN** environment variable.
 
+## Mastodon bot
+
+A demo bot can be found at [@fortunes_spam@botsin.space](https://botsin.space/@fortunes_spam)
+
+You can use the content of the *mastodon-bot* directory to create your own Mastodon bot; don't forget to run it specifying the **SPAMBOT_TOKEN** environment variable.
+
+
 # License
 
 Copyright 2003-2018 Davide Alberani <da@erlug.linux.it>

mastodon-bot/Dockerfile

@@ -0,0 +1,16 @@
+FROM alpine
+LABEL \
+	maintainer="Davide Alberani <da@erlug.linux.it>"
+
+RUN \
+	apk add --no-cache git fortune python3 && \
+	pip3 install Mastodon.py && \
+	cd / && \
+	git clone https://github.com/alberanid/fortunes-spam.git
+COPY fortunes-spam-bot.py /fortunes-spam
+
+WORKDIR /fortunes-spam
+
+ENTRYPOINT ["python3", "fortunes-spam-bot.py"]
+
+

mastodon-bot/fortunes-spam-bot.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import subprocess
+from mastodon import Mastodon
+
+API_URL = 'https://botsin.space/'
+
+
+def getSpam(sections=('spam-o', 'spam-ita-o')):
+    cmd = ['fortune', '-o', *sections]
+    process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    stdout, stderr = process.communicate()
+    try:
+        stdout = stdout.strip()
+        stdout = stdout.decode('utf8')
+    except:
+        return 'uh-oh: something was wrong with the encoding of the can\'s label; try again'
+    if process.returncode != 0:
+        return 'something terrible is happening: exit code: %s, stderr: %s' % (
+                process.returncode, stderr.decode('utf8'))
+    if not stdout:
+        return 'sadness: the spam can was empty; try again'
+    return stdout
+
+
+def serve(token):
+    spam = getSpam()
+    print('serving:\n%s' % spam)
+    mastodon = Mastodon(access_token=token, api_base_url=API_URL)
+    mastodon.status_post(spam)
+
+
+if __name__ == '__main__':
+    if 'SPAMBOT_TOKEN' not in os.environ:
+        print("Please specify the Mastodon token in the SPAMBOT_TOKEN environment variable")
+        sys.exit(1)
+    serve(token=os.environ['SPAMBOT_TOKEN'])