[feat] Remove Filesystem based watcher

mms2mail

@@ -25,8 +25,6 @@ if sys.version_info[0] == 3 and sys.version_info[1] > 8:
 
 import argparse
 import configparser
-import re
-import time
 import getpass
 import socket
 import mimetypes
@@ -38,8 +36,6 @@ from marrow.mailer import Mailer, Message
 from gi.repository import GLib
 import dbus
 import dbus.mainloop.glib
-from watchdog.observers import Observer
-from watchdog.events import FileSystemEventHandler
 
 
 class MMS2Mail:
@@ -214,74 +210,21 @@ class MMS2Mail:
         self.mailer.stop()
 
 
-class FSWatcher:
-    """
-    Use OS filesystem notification to watch for new MMS (DEPRECATED).
-
-    Events are send to the FSHandler class
-    """
-
-    # Path to modemmanager storage
-    mms_folder = f"{Path.home()}/.mms/modemmanager"
-
-    def __init__(self):
-        """Construct an instance."""
-        self.observer = Observer()
-        self.patternold = re.compile('[0-9A-F]{40}$')
-        self.pattern = re.compile('[0-9a-f]{36}$')
+class DbusWatcher():
+    """Use DBus Signal notification to watch for new MMS."""
 
-    def is_mmsd_mms_file(self, path):
+    def __init__(self, mms2mail):
         """
-        Test if the provided file seems to be a mms file created by mmsd.
+        Return a DBusWatcher instance.
 
-        :param path: the mms filesystem path
-        :type path: str
-
-        :rtype boolean
-        :return: the test result
+        :param mms2mail: An mms2mail instance to convert new mms
+        :type mms2mail: mms2mail()
         """
-        if self.pattern.search(path) or self.patternold.search(path):
-            return True
-        else:
-            return False
-
-    def run(self):
-        """Run the watcher mainloop."""
-        event_handler = FSHandler()
-        self.observer.schedule(event_handler, self.mms_folder, recursive=False)
-        self.observer.start()
-        try:
-            while True:
-                time.sleep(5)
-        finally:
-            self.observer.stop()
-            self.observer.join()
-
-
-class FSHandler(FileSystemEventHandler):
-    """Handle the FSWatcher event."""
-
-    @staticmethod
-    def on_any_event(event):
-        """Trigger conversion on event by the FSWatcher."""
-        if event.is_directory:
-            return None
-        elif event.event_type == 'created' or event.event_type == 'modified':
-            if w.is_mmsd_mms_file(event.src_path):
-                print(f"New MMS found : {event.src_path}.", file=sys.stderr)
-                m.convert(event.src_path)
-        elif event.event_type == 'moved':
-            if w.is_mmsd_mms_file(event.dest_path):
-                print(f"New MMS found : {event.dest_path}.", file=sys.stderr)
-                m.convert(event.dest_path)
-
-
-class DbusWatcher():
-    """Use DBus Signal notification to watch for new MMS."""
+        self.mms2mail = mms2mail
 
     def run(self):
         """Run the watcher mainloop."""
-        bus = m.get_bus()
+        bus = self.mms2mail.get_bus()
         bus.add_signal_receiver(self.message_added,
                                 bus_name="org.ofono.mms",
                                 signal_name="MessageAdded",
@@ -289,25 +232,29 @@ class DbusWatcher():
                                 path_keyword="path",
                                 interface_keyword="interface")
         mainloop = GLib.MainLoop()
-        mainloop.run()
+        print("Starting DBus watcher mainloop")
+        try:
+            mainloop.run()
+        except KeyboardInterrupt:
+            print("Stopping DBus watcher mainloop")
+            mainloop.quit()
 
     def message_added(self, name, value, member, path, interface):
         """Trigger conversion on MessageAdded signal."""
         if value['Status'] == 'downloaded' or value['Status'] == 'received':
             print(f"New incoming MMS found ({name.split('/')[-1]})")
-            m.convert(value['Attachments'][0][2], name)
+            self.mms2mail.convert(value['Attachments'][0][2], name)
         else:
             print(f"New outgoing MMS found ({name.split('/')[-1]})")
 
 
-if __name__ == '__main__':
+def main():
+    """Run the different functions handling mms and mail."""
     parser = argparse.ArgumentParser()
     mode = parser.add_mutually_exclusive_group()
     mode.add_argument("-d", "--daemon",
-                      help="Use dbus signal from mmsd by default but can also \
-                            watch mmsd storage folder (useful for mmsd < 1.0)",
-                      nargs="?", default="dbus",
-                      choices=['dbus', 'filesystem'], dest='watcher')
+                      help="Use dbus signal from mmsd to trigger conversion",
+                      action='store_true', dest='watcher')
     mode.add_argument("-f", "--file", nargs='+',
                       help="Parse specified mms files and quit", dest='files')
     parser.add_argument('--delete', action='store_true', dest='delete',
@@ -322,13 +269,13 @@ if __name__ == '__main__':
     if args.files:
         for mms_file in args.files:
             m.convert(mms_file)
-    elif args.watcher == 'dbus':
-        print("Starting mms2mail in daemon mode with dbus watcher")
-        w = DbusWatcher()
-        w.run()
-    elif args.watcher == 'filesystem':
-        print("Starting mms2mail in daemon mode with filesystem watcher")
-        w = FSWatcher()
+    elif args.watcher:
+        print("Starting mms2mail in daemon mode")
+        w = DbusWatcher(m)
         w.run()
     else:
         parser.print_help()
+
+
+if __name__ == '__main__':
+    main()

mms2mail.service

@@ -3,7 +3,7 @@ Description=Multimedia Messaging Service to Mail converter Daemon
 After=mmsd.service
 
 [Service]
-ExecStart=python3 %h/.local/bin/mms2mail -d dbus
+ExecStart=python3 %h/.local/bin/mms2mail -d
 
 Restart=on-failure
 RestartSec=10s