New plugin: Ascii Emoji

Adds the old ascii->emoji conversion with a plugin!

ascii_emoji/modules/ascii_emoji.py

+# Copyright (C) 2022 Arthur Bols <arthur@bols.dev>
+#
+# This file is part of Ascii Emoji Gajim Plugin.
+#
+# Ascii Emoji Gajim Plugin is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published
+# by the Free Software Foundation; version 3 only.
+#
+# Ascii Emoji Gajim Plugin is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ascii Emoji Gajim Plugin. If not, see <http://www.gnu.org/licenses/>.
+
+
+import re
+import logging
+
+from nbxmpp.structs import StanzaHandler
+
+from gajim.common import ged
+from gajim.common.modules.base import BaseModule
+
+from ascii_emoji.modules.data import emoji_map
+
+log = logging.getLogger('gajim.p.ascii_emoji')
+
+# Module name
+name = 'AsciiEmoji'
+
+
+class AsciiEmoji(BaseModule):
+    def __init__(self, con):
+        BaseModule.__init__(self, con, plugin=True)
+
+        self.handlers = [
+            StanzaHandler(name='message',
+                          callback=self._on_message_received,
+                          priority=ged.PREGUI),
+        ]
+
+        self.emoticon_regex = re.compile(emoji_map.get_regex())
+
+    def replace(self, msg):
+
+        iterator = self.emoticon_regex.finditer(msg)
+        new_msgtxt = ''
+        prev_repl = 0
+        for match in iterator:
+            start, end = match.span()
+            ascii_text = msg[start:end]
+            emoji = emoji_map.get(ascii_text, None)
+
+            if emoji is not None:
+                new_msgtxt += msg[prev_repl:start] + emoji
+                prev_repl = end
+
+        return new_msgtxt + msg[prev_repl:]
+
+    def _on_message_received(self, _con, _stanza, properties):
+        if not properties.body:
+            log.debug("Received message does not have a body")
+            return
+
+        properties.body = self.replace(properties.body)
+
+
+def get_instance(*args, **kwargs):
+    return AsciiEmoji(*args, **kwargs), 'AsciiEmoji'