[irc] Plugin rename/refactor.

The `chat.irc` plugin is now `irc`.

docs/source/platypush/plugins/chat.irc.rst

@@ -1,5 +0,0 @@
-``chat.irc``
-============
-
-.. automodule:: platypush.plugins.chat.irc
-    :members:

docs/source/platypush/plugins/irc.rst

@@ -0,0 +1,5 @@
+``irc``
+=======
+
+.. automodule:: platypush.plugins.irc
+    :members:

docs/source/plugins.rst

@@ -22,7 +22,6 @@ Plugins
     platypush/plugins/camera.ir.mlx90640.rst
     platypush/plugins/camera.pi.rst
     platypush/plugins/camera.pi.legacy.rst
-    platypush/plugins/chat.irc.rst
     platypush/plugins/chat.telegram.rst
     platypush/plugins/clipboard.rst
     platypush/plugins/config.rst
@@ -55,6 +54,7 @@ Plugins
     platypush/plugins/http.webpage.rst
     platypush/plugins/ifttt.rst
     platypush/plugins/inspect.rst
+    platypush/plugins/irc.rst
     platypush/plugins/joystick.rst
     platypush/plugins/kafka.rst
     platypush/plugins/lastfm.rst

platypush/plugins/irc/__init__.py

@@ -2,6 +2,7 @@ import os
 from typing import Sequence, Dict, Tuple, Union, Optional
 
 from platypush.plugins import RunnablePlugin, action
+from platypush.plugins.chat import ChatPlugin
 from platypush.schemas.irc import (
     IRCServerSchema,
     IRCServerStatusSchema,
@@ -9,10 +10,9 @@ from platypush.schemas.irc import (
 )
 
 from ._bot import IRCBot
-from .. import ChatPlugin
 
 
-class ChatIrcPlugin(RunnablePlugin, ChatPlugin):
+class IrcPlugin(RunnablePlugin, ChatPlugin):
     """
     IRC integration.
 
@@ -48,7 +48,7 @@ class ChatIrcPlugin(RunnablePlugin, ChatPlugin):
         try:
             self._bots: Dict[Tuple[str, int], IRCBot] = {
                 (server_conf['server'], server_conf['port']): IRCBot(**server_conf)
-                for server_conf in IRCServerSchema().load(servers, many=True)
+                for server_conf in IRCServerSchema().load(servers, many=True)  # type: ignore
             }
         except Exception as e:
             self.logger.warning(f'Could not load IRC server configuration: {e}')
@@ -57,15 +57,15 @@ class ChatIrcPlugin(RunnablePlugin, ChatPlugin):
 
     @property
     def _bots_by_server(self) -> Dict[str, IRCBot]:
-        return {bot.server: bot for srv, bot in self._bots.items()}
+        return {bot.server: bot for bot in self._bots.values()}
 
     @property
     def _bots_by_server_and_port(self) -> Dict[Tuple[str, int], IRCBot]:
-        return {(bot.server, bot.port): bot for srv, bot in self._bots.items()}
+        return {(bot.server, bot.port): bot for bot in self._bots.values()}
 
     @property
     def _bots_by_alias(self) -> Dict[str, IRCBot]:
-        return {bot.alias: bot for srv, bot in self._bots.items() if bot.alias}
+        return {bot.alias: bot for bot in self._bots.values() if bot.alias}
 
     def main(self):
         self._connect()
@@ -88,7 +88,7 @@ class ChatIrcPlugin(RunnablePlugin, ChatPlugin):
 
     def _get_bot(self, server: Union[str, Tuple[str, int]]) -> IRCBot:
         if isinstance(server, (tuple, list, set)):
-            bot = self._bots_by_server_and_port[tuple(server)]
+            bot = self._bots_by_server_and_port[tuple(server)]  # type: ignore
         else:
             bot = self._bots_by_alias.get(server, self._bots_by_server.get(server))
 
@@ -184,22 +184,24 @@ class ChatIrcPlugin(RunnablePlugin, ChatPlugin):
         """
         bot = self._get_bot(server)
         channel_name = channel
-        channel = bot.channels.get(channel)
+        ch = bot.channels.get(channel)
-        assert channel, f'Not connected to channel {channel}'
+        assert ch, f'Not connected to channel {channel}'
-        return IRCChannelSchema().dump(
+        return dict(
+            IRCChannelSchema().dump(
                 {
-                'is_invite_only': channel.is_invite_only(),
+                    'is_invite_only': ch.is_invite_only(),
-                'is_moderated': channel.is_moderated(),
+                    'is_moderated': ch.is_moderated(),
-                'is_protected': channel.is_protected(),
+                    'is_protected': ch.is_protected(),
-                'is_secret': channel.is_secret(),
+                    'is_secret': ch.is_secret(),
                     'name': channel_name,
-                'modes': channel.modes,
+                    'modes': ch.modes,
-                'opers': list(channel.opers()),
+                    'opers': list(ch.opers()),
-                'owners': channel.owners(),
+                    'owners': ch.owners(),
-                'users': list(channel.users()),
+                    'users': list(ch.users()),
-                'voiced': list(channel.voiced()),
+                    'voiced': list(ch.voiced()),
                 }
             )
+        )
 
     @action
     def send_ctcp_message(

platypush/plugins/irc/_bot.py

@@ -8,32 +8,61 @@ import select
 import socket
 import ssl as _ssl
 import struct
-from typing import Iterable, Optional, Type, Sequence, Dict, Tuple
+from typing import Generator, Iterable, Optional, Type, Sequence, Dict, Tuple
 
 import irc.bot
-from irc.client import Connection, Event as _IRCEvent, ServerConnection, DCCConnection, ip_numstr_to_quad, \
+from irc.client import (
-    ip_quad_to_numstr
+    Connection,
+    Event as _IRCEvent,
+    ServerConnection,
+    DCCConnection,
+    ip_numstr_to_quad,
+    ip_quad_to_numstr,
+)
 from irc.connection import Factory as ConnectionFactory
 from irc.events import codes as irc_event_codes
 
 from platypush.context import get_bus
-from platypush.message.event.irc import IRCEvent, IRCChannelJoinEvent, IRCChannelKickEvent, IRCDisconnectEvent, \
+from platypush.message.event.irc import (
-    IRCModeEvent, IRCNickChangeEvent, IRCPartEvent, IRCQuitEvent, IRCConnectEvent, IRCPrivateMessageEvent, \
+    IRCEvent,
-    IRCPublicMessageEvent, IRCDCCRequestEvent, IRCDCCMessageEvent, IRCDCCFileRequestEvent, IRCCTCPMessageEvent, \
+    IRCChannelJoinEvent,
-    IRCDCCFileRecvCompletedEvent, IRCDCCFileRecvCancelledEvent, IRCDCCFileSendCompletedEvent, \
+    IRCChannelKickEvent,
-    IRCDCCFileSendCancelledEvent
+    IRCDisconnectEvent,
+    IRCModeEvent,
+    IRCNickChangeEvent,
+    IRCPartEvent,
+    IRCQuitEvent,
+    IRCConnectEvent,
+    IRCPrivateMessageEvent,
+    IRCPublicMessageEvent,
+    IRCDCCRequestEvent,
+    IRCDCCMessageEvent,
+    IRCDCCFileRequestEvent,
+    IRCCTCPMessageEvent,
+    IRCDCCFileRecvCompletedEvent,
+    IRCDCCFileRecvCancelledEvent,
+    IRCDCCFileSendCompletedEvent,
+    IRCDCCFileSendCancelledEvent,
+)
 
 
 class IRCBot(irc.bot.SingleServerIRCBot):
     def __init__(
-            self, server: str, port: int, nickname: str, alias: str,
+        self,
+        server: str,
+        port: int,
+        nickname: str,
+        alias: str,
         channels: Iterable[str],
         response_timeout: Optional[float],
         dcc_file_transfer_timeout: Optional[float],
         dcc_accept_timeout: Optional[float],
-            dcc_downloads_dir: str, realname: Optional[str] = None,
+        dcc_downloads_dir: str,
-            password: Optional[str] = None, ssl: bool = False,
+        realname: Optional[str] = None,
-            ipv6: bool = False, stop_message: Optional[str] = None,
+        password: Optional[str] = None,
+        ssl: bool = False,
+        ipv6: bool = False,
+        stop_message: Optional[str] = None,
         dcc_ip_whitelist: Optional[Sequence[str]] = None,
         dcc_ip_blacklist: Optional[Sequence[str]] = None,
         dcc_nick_whitelist: Optional[Sequence[str]] = None,
@@ -47,8 +76,10 @@ class IRCBot(irc.bot.SingleServerIRCBot):
             connection_factory.family = socket.AF_INET6
 
         super().__init__(
-            server_list=[(server, port)], nickname=nickname,
+            server_list=[(server, port)],
-            realname=realname, connect_factory=connection_factory
+            nickname=nickname,
+            realname=realname,
+            connect_factory=connection_factory,
         )
 
         self.server = server
@@ -78,7 +109,9 @@ class IRCBot(irc.bot.SingleServerIRCBot):
     def stop_message(self) -> Optional[str]:
         return self._stop_message
 
-    def _post_event(self, connection: Connection, output_event_type: Type[IRCEvent], **kwargs):
+    def _post_event(
+        self, connection: Connection, output_event_type: Type[IRCEvent], **kwargs
+    ):
         if isinstance(connection, ServerConnection):
             kwargs['server'] = connection.server
             kwargs['port'] = connection.port
@@ -89,26 +122,39 @@ class IRCBot(irc.bot.SingleServerIRCBot):
         get_bus().post(event)
 
     def on_join(self, connection: ServerConnection, event: _IRCEvent):
-        self._post_event(connection, IRCChannelJoinEvent, channel=event.target, nick=event.source.nick)
+        self._post_event(
+            connection,
+            IRCChannelJoinEvent,
+            channel=event.target,
+            nick=event.source.nick,
+        )
         super()._on_join(connection, event)
 
     def on_kick(self, connection: ServerConnection, event: _IRCEvent):
         self._post_event(
-            connection, IRCChannelKickEvent, channel=event.target,
+            connection,
-            source_nick=event.arguments[1], target_nick=event.arguments[0]
+            IRCChannelKickEvent,
+            channel=event.target,
+            source_nick=event.arguments[1],
+            target_nick=event.arguments[0],
         )
 
         super()._on_kick(connection, event)
 
     def on_nick(self, connection: ServerConnection, event: _IRCEvent):
         self._post_event(
-            connection, IRCNickChangeEvent, before=event.source.nick, after=event.target.nick
+            connection,
+            IRCNickChangeEvent,
+            before=event.source.nick,
+            after=event.target.nick,
         )
         super()._on_nick(connection, event)
 
     def on_mode(self, connection: ServerConnection, event: _IRCEvent):
         self._post_event(
-            connection, IRCModeEvent, mode=event.arguments[0],
+            connection,
+            IRCModeEvent,
+            mode=event.arguments[0],
             source=event.source.nick,
             target_=(event.arguments[1] if len(event.arguments) > 1 else None),
             channel=event.target,
@@ -140,18 +186,22 @@ class IRCBot(irc.bot.SingleServerIRCBot):
 
     def on_pubmsg(self, connection: ServerConnection, event: _IRCEvent):
         self._post_event(
-            connection, IRCPublicMessageEvent,
+            connection,
-            text=event.arguments[0], nick=event.source.nick,
+            IRCPublicMessageEvent,
+            text=event.arguments[0],
+            nick=event.source.nick,
             channel=event.target,
-            mentions_me=self._mentions_me(connection, event.arguments[0])
+            mentions_me=self._mentions_me(connection, event.arguments[0]),
         )
 
     def on_privmsg(self, connection: ServerConnection, event: _IRCEvent):
         self._post_event(
-            connection, IRCPrivateMessageEvent,
+            connection,
-            text=event.arguments[0], nick=event.source.nick,
+            IRCPrivateMessageEvent,
+            text=event.arguments[0],
+            nick=event.source.nick,
             channel=event.target,
-            mentions_me=self._mentions_me(connection, event.arguments[0])
+            mentions_me=self._mentions_me(connection, event.arguments[0]),
         )
 
     def on_dccchat(self, connection: DCCConnection, event: _IRCEvent):
@@ -168,7 +218,9 @@ class IRCBot(irc.bot.SingleServerIRCBot):
 
             nick = event.source.nick
             if not self._is_dcc_connection_request_allowed(address=address, nick=nick):
-                self.logger.info(f'Refused DCC connection from address={address} nick={nick}')
+                self.logger.info(
+                    f'Refused DCC connection from address={address} nick={nick}'
+                )
                 connection.disconnect('Unauthorized peer')
                 return
 
@@ -194,15 +246,23 @@ class IRCBot(irc.bot.SingleServerIRCBot):
             conn_map = getattr(self, f'_dcc_{proc_type}_procs', {})
             conn_map.pop((addr, port), None)
 
-    def _process_dcc_recv(self, connection: DCCConnection, filename: str, address: str, port: int, size: int):
+    def _process_dcc_recv(
+        self,
+        connection: DCCConnection,
+        filename: str,
+        address: str,
+        port: int,
+        size: int,
+    ):
         pathlib.Path(self.dcc_downloads_dir).mkdir(parents=True, exist_ok=True)
         filename = os.path.abspath(os.path.join(self.dcc_downloads_dir, filename))
-        assert filename.startswith(self.dcc_downloads_dir), (
+        assert filename.startswith(
-            'Attempt to save a file outside the downloads directory'
+            self.dcc_downloads_dir
-        )
+        ), 'Attempt to save a file outside the downloads directory'
 
-        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock, \
+        with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock, open(
-                open(filename, 'wb') as f:
+            filename, 'wb'
+        ) as f:
             try:
                 sock.connect((address, port))
                 processed_bytes = 0
@@ -214,15 +274,23 @@ class IRCBot(irc.bot.SingleServerIRCBot):
                     sock.send(f'{socket.htonl(processed_bytes)}'.encode())
 
                 self._post_event(
-                    connection, IRCDCCFileRecvCompletedEvent, address=address,
+                    connection,
-                    port=port, file=filename, size=size
+                    IRCDCCFileRecvCompletedEvent,
+                    address=address,
+                    port=port,
+                    file=filename,
+                    size=size,
                 )
             except Exception as e:
                 self.logger.error(f'DCC transfer error from {address}:{port}: {e}')
                 self.logger.exception(e)
                 self._post_event(
-                    connection, IRCDCCFileRecvCancelledEvent, address=address,
+                    connection,
-                    port=port, file=filename, error=str(e)
+                    IRCDCCFileRecvCancelledEvent,
+                    address=address,
+                    port=port,
+                    file=filename,
+                    error=str(e),
                 )
             finally:
                 connection.disconnect()
@@ -265,22 +333,33 @@ class IRCBot(irc.bot.SingleServerIRCBot):
                                 buf = f.read(4096)
 
                     self._post_event(
-                        connection, IRCDCCFileSendCompletedEvent,
+                        connection,
-                        file=filename, address=address, port=transfer_port
+                        IRCDCCFileSendCompletedEvent,
+                        file=filename,
+                        address=address,
+                        port=transfer_port,
                     )
                 finally:
                     client_sock.close()
                     dcc_sock.close()
         except Exception as e:
-            self.logger.error(f'DCC transfer error to {connection.peeraddress}:{connection.peerport}: {e}')
+            self.logger.error(
+                f'DCC transfer error to {connection.peeraddress}:{connection.peerport}: {e}'
+            )
             self.logger.exception(e)
             self._post_event(
-                connection, IRCDCCFileSendCancelledEvent, address=connection.peeraddress,
+                connection,
-                port=connection.peerport, file=filename, error=str(e)
+                IRCDCCFileSendCancelledEvent,
+                address=connection.peeraddress,
+                port=connection.peerport,
+                file=filename,
+                error=str(e),
             )
         finally:
             connection.disconnect()
-            self._dcc_proc_completion_queue.put(('send', connection.localaddress, connection.localport))
+            self._dcc_proc_completion_queue.put(
+                ('send', connection.localaddress, connection.localport)
+            )
 
     def _set_accept_timeout(self, sock: socket.socket):
         if self.dcc_accept_timeout:
@@ -293,12 +372,10 @@ class IRCBot(irc.bot.SingleServerIRCBot):
         if proc and proc.is_alive():
             proc.terminate()
 
-    def _accept_dcc_file_request(self, connection: DCCConnection, ctcp_msg: str, nick: str):
+    def _accept_dcc_file_request(
-        ctcp_msg = [
+        self, connection: DCCConnection, ctcp_msg: str, nick: str
-            token.strip()
+    ):
-            for token in ctcp_msg.split(' ')
+        ctcp_msg = [token.strip() for token in ctcp_msg.split(' ') if token]
-            if token
-        ]
 
         filename = ' '.join(ctcp_msg[2:-3])
         address, port, size = ctcp_msg[-3:]
@@ -315,22 +392,26 @@ class IRCBot(irc.bot.SingleServerIRCBot):
             return
 
         self._post_event(
-            connection, IRCDCCFileRequestEvent,
+            connection,
+            IRCDCCFileRequestEvent,
             address=address,
-            port=port, file=filename,
+            port=port,
-            size=size, nick=nick
+            file=filename,
+            size=size,
+            nick=nick,
         )
 
         # Accept the file request
         # (if we're here then the peer is whitelisted/not blacklisted)
         self._dcc_recv_procs[(address, port)] = multiprocessing.Process(
-            target=self._process_dcc_recv, kwargs={
+            target=self._process_dcc_recv,
+            kwargs={
                 'connection': connection,
                 'address': address,
                 'port': port,
                 'filename': filename,
                 'size': size,
-            }
+            },
         )
 
         self._dcc_recv_procs[(address, port)].start()
@@ -364,7 +445,12 @@ class IRCBot(irc.bot.SingleServerIRCBot):
         if event.arguments[0][: len(ctcp_header)] == ctcp_header:
             return self._handle_ctcp_message(connection, event)
 
-        self._post_event(connection, IRCDCCMessageEvent, address=event.source, body=event.arguments[0])
+        self._post_event(
+            connection,
+            IRCDCCMessageEvent,
+            address=event.source,
+            body=event.arguments[0],
+        )
 
     def on_disconnect(self, connection: Connection, event: _IRCEvent):
         self._post_event(connection, IRCDisconnectEvent)
@@ -385,7 +471,9 @@ class IRCBot(irc.bot.SingleServerIRCBot):
             q.put(event)
 
     def _on_generic_event(self, _, event: _IRCEvent):
-        self.logger.debug(f'Received raw unhandled IRC event on {self.server}: {event.__dict__}')
+        self.logger.debug(
+            f'Received raw unhandled IRC event on {self.server}: {event.__dict__}'
+        )
 
     def _is_dcc_connection_request_allowed(self, address: str, nick: str) -> bool:
         if self.dcc_ip_whitelist and address not in self.dcc_ip_whitelist:
@@ -397,7 +485,10 @@ class IRCBot(irc.bot.SingleServerIRCBot):
         if self.dcc_nick_blacklist and nick in self.dcc_nick_blacklist:
             return False
 
-        if self.dcc_max_connections and len(self._dcc_recv_procs) >= self.dcc_max_connections:
+        if (
+            self.dcc_max_connections
+            and len(self._dcc_recv_procs) >= self.dcc_max_connections
+        ):
             self.logger.warning(
                 f'Refused new DCC connection: maximum number of concurrent '
                 f'connections ({self.dcc_max_connections}) reached'
@@ -407,29 +498,35 @@ class IRCBot(irc.bot.SingleServerIRCBot):
 
         return True
 
-    def dcc_file_transfer(self, file: str, nick: str, bind_address: Optional[str] = None):
+    def dcc_file_transfer(
+        self, file: str, nick: str, bind_address: Optional[str] = None
+    ):
         conn: DCCConnection = self.dcc('chat')
         bind_address = (bind_address, 0) if bind_address else None
         conn.listen(bind_address)
         conn.passive = False
         self.connection.privmsg(
             nick,
-            f'\x01DCC CHAT chat {ip_quad_to_numstr(conn.localaddress)} {conn.localport}\x01'
+            f'\x01DCC CHAT chat {ip_quad_to_numstr(conn.localaddress)} {conn.localport}\x01',
         )
 
-        send_proc = self._dcc_send_procs[(conn.localaddress, conn.localport)] = multiprocessing.Process(
+        send_proc = self._dcc_send_procs[
+            (conn.localaddress, conn.localport)
+        ] = multiprocessing.Process(
             target=self._process_dcc_send,
             kwargs={
                 'connection': conn,
                 'filename': file,
-            }
+            },
         )
 
         send_proc.start()
         send_proc.join()
 
     @contextlib.contextmanager
-    def event_queue(self, event_type: str) -> multiprocessing.Queue:
+    def event_queue(
+        self, event_type: str
+    ) -> Generator[multiprocessing.Queue, None, None]:
         q = self._pending_requests[event_type] = multiprocessing.Queue()
         try:
             yield q
@@ -438,7 +535,9 @@ class IRCBot(irc.bot.SingleServerIRCBot):
             self._pending_requests.pop(event_type, None)
 
     def start(self):
-        self._dcc_processor = multiprocessing.Process(target=self._dcc_connect_processor)
+        self._dcc_processor = multiprocessing.Process(
+            target=self._dcc_connect_processor
+        )
         self._dcc_processor.start()
 
         for event_code in irc_event_codes.keys():
@@ -452,7 +551,9 @@ class IRCBot(irc.bot.SingleServerIRCBot):
 
     def stop(self, msg: Optional[str] = None):
         msg = msg or self.stop_message
-        for addr, port in list(self._dcc_recv_procs.keys()) + list(self._dcc_send_procs.keys()):
+        for addr, port in list(self._dcc_recv_procs.keys()) + list(
+            self._dcc_send_procs.keys()
+        ):
             self._stop_dcc_connection(addr, port)
 
         if self._dcc_processor and self._dcc_processor.is_alive():

platypush/plugins/irc/manifest.yaml

@@ -18,7 +18,7 @@ manifest:
     platypush.message.event.irc.IRCDCCFileRecvCancelledEvent: when a DCC file download is cancelled
     platypush.message.event.irc.IRCDCCFileSendCompletedEvent: when a DCC file upload is completed
     platypush.message.event.irc.IRCDCCFileSendCancelledEvent: when a DCC file upload is cancelled
-  package: platypush.plugins.chat.irc
+  package: platypush.plugins.irc
   type: plugin
   install:
     apt: