Initial commit

.gitignore

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+config.py
+__pycache__/

README.md

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+Lazy scripts I made for scheduling emails to be sent at specific times

config.py

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+HOSTNAME = 'localhost'
+PORT = 587
+EMAIL = 'example@hostname.com'
+LOGIN = 'example'
+PASSWORD = 'strong_password'

mailman.py

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+#!/bin/python3.9
+import config, re, smtplib, os
+from datetime import datetime
+from email.message import EmailMessage
+from pathlib import Path
+
+os.chdir(os.path.dirname(__file__))
+
+smtp = smtplib.SMTP(config.HOSTNAME, port=config.PORT)
+
+smtp.ehlo()
+smtp.starttls()
+smtp.ehlo()
+
+smtp.login(config.LOGIN, config.PASSWORD)
+
+for mail in Path('scheduled').glob('*.mail'):
+    with mail.open('r') as file:
+        msg = file.read()
+
+        scheduled = re.findall(r'Scheduled to \(UTC\): (.*)\n', msg)[0]
+        scheduled = datetime.fromisoformat(scheduled)
+
+        if scheduled <= datetime.now():
+            to_address = re.findall(r'To: (.*)\n', msg)[0]
+            subject = re.findall(r'Subject: (.*)\n', msg)[0]
+
+            body = ''
+            reading_body = False
+            for line in msg.splitlines():
+                if reading_body:
+                    body += f'{line}\n'
+                elif line == '---- Body ----':
+                    reading_body = True
+
+            msg = EmailMessage()
+            msg.set_content(body)
+            msg['Subject'] = subject
+            msg['From'] = config.EMAIL
+            msg['To'] = to_address
+
+            smtp.send_message(msg)
+            mail.unlink()
+
+smtp.quit()

schedule.py

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+#!/bin/python3.9
+import os, tempfile, subprocess, re, sys
+from datetime import datetime, timedelta
+
+os.chdir(os.path.dirname(__file__))
+
+EDITOR = os.environ.get('EDITOR', 'vim')
+
+os.makedirs('scheduled', exist_ok=True)
+
+tomorrow = datetime.utcnow() + timedelta(days=1)
+tomorrow = tomorrow.replace(microsecond=0, second=0, minute=int(tomorrow.minute/15))
+initial_msg = f'To: \nSubject: \nScheduled to (UTC): {tomorrow.isoformat()}\n---- Body ----'
+
+with tempfile.NamedTemporaryFile() as file:
+    file.write(bytes(initial_msg, encoding='utf-8'))
+    file.flush()
+
+    subprocess.call([EDITOR, file.name])
+
+    file.seek(0)
+    msg = file.read().decode()
+
+
+to = re.findall(r'To: (.*)\n', msg)[0]
+subject = re.findall(r'Subject: (.*)\n', msg)[0]
+
+if not to or not subject:
+    print('ERROR: recipient or subject empty')
+    exit(1)
+
+filename = f'scheduled/{to}:{subject}.mail'
+
+if os.path.exists(filename):
+    print('ERROR: an email for this recipient with the same subject is already scheduled')
+    exit(1)
+
+with open(filename, 'w') as file:
+    file.write(msg)