First fetchmail implementation

fetchmail/fetchmail.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+
+import sqlite3
+import time
+import os
+import tempfile
+
+
+RC_LINE = """
+poll {host} proto {protocol} port {port}
+    user "{username}" password "{password}"
+    smtphost "smtp"
+    smtpname {user_address}
+    {options}
+"""
+
+
+def fetchmail(fetchmailrc):
+    print(fetchmailrc)
+    with tempfile.NamedTemporaryFile() as handler:
+        handler.write(fetchmailrc.encode("utf8"))
+        handler.flush()
+        os.system("fetchmail -N -f '{}'".format(handler.name))
+
+
+def run(cursor):
+    cursor.execute("""
+        SELECT user_address, protocol, host, port, tls, username, password
+        FROM fetch
+    """)
+    fetchmailrc = ""
+    for line in cursor.fetchall():
+        user_address, protocol, host, port, tls, username, password = line
+        options = "options ssl" if tls else ""
+        fetchmailrc += RC_LINE.format(
+            user_address=user_address,
+            protocol=protocol,
+            host=host,
+            port=port,
+            username=username,
+            password=password,
+            options=options
+        )
+    fetchmail(fetchmailrc)
+
+
+if __name__ == "__main__":
+    db_path = os.environ.get("DB_PATH", "/data/freeposte.db")
+    connection = sqlite3.connect(db_path)
+    while True:
+        time.sleep(int(os.environ.get("FETCHMAIL_DELAY", 10)))
+        cursor = connection.cursor()
+        run(cursor)
+        cursor.close()