emit "DC_EVENT_MEMBER_ADDED" and python plugin event "member_added" for securejoin or non-securejoin additions of a contact to a chat. also fixup some docs

python/CHANGELOG

@@ -5,6 +5,8 @@
 
 - introduced PerAccount and Global hooks that plugins can implement 
 
+- introduced `member_added()` plugin event. 
+
 
 0.800.0
 -------

python/doc/plugins.rst

@@ -7,6 +7,9 @@ for managing global and per-account plugin registration, and performing
 hook calls.
 
 
+Registering a plugin
+--------------------
+
 .. autoclass:: deltachat.register_global_plugin
 
 .. autoclass:: deltachat.account.Account.add_account_plugin

python/src/deltachat/__init__.py

@@ -86,4 +86,9 @@ def register_global_plugin(plugin):
     gm.check_pending()
 
 
+def unregister_global_plugin(plugin):
+    gm = hookspec.Global._get_plugin_manager()
+    gm.unregister(plugin)
+
+
 register_global_plugin(eventlogger)

python/src/deltachat/account.py

@@ -76,6 +76,10 @@ class Account(object):
         elif name == "DC_EVENT_MSG_DELIVERED":
             msg = self.get_message_by_id(ffi_event.data2)
             self._pm.hook.process_message_delivered(message=msg)
+        elif name == "DC_EVENT_MEMBER_ADDED":
+            chat = self.get_chat_by_id(ffi_event.data1)
+            contact = self.get_contact_by_id(ffi_event.data2)
+            self._pm.hook.member_added(chat=chat, contact=contact)
 
     # def __del__(self):
     #    self.shutdown()
@@ -342,6 +346,13 @@ class Account(object):
         """
         return Message.from_db(self, msg_id)
 
+    def get_contact_by_id(self, contact_id):
+        """ return Contact instance or None.
+        :param contact_id: integer id of this contact.
+        :returns: None or :class:`deltachat.contact.Contact` instance.
+        """
+        return Contact(self._dc_context, contact_id)
+
     def get_chat_by_id(self, chat_id):
         """ return Chat instance.
         :param chat_id: integer id of this chat.

python/src/deltachat/const.py

@@ -99,6 +99,7 @@ DC_EVENT_IMEX_FILE_WRITTEN = 2052
 DC_EVENT_SECUREJOIN_INVITER_PROGRESS = 2060
 DC_EVENT_SECUREJOIN_JOINER_PROGRESS = 2061
 DC_EVENT_SECUREJOIN_MEMBER_ADDED = 2062
+DC_EVENT_MEMBER_ADDED = 2063
 DC_EVENT_FILE_COPIED = 2055
 DC_EVENT_IS_OFFLINE = 2081
 DC_EVENT_GET_STRING = 2091

python/tests/conftest.py

@@ -4,12 +4,13 @@ import sys
 import py
 import pytest
 import requests
+from contextlib import contextmanager
 import time
 from deltachat import Account
 from deltachat.tracker import ConfigureTracker
 from deltachat import const
 from deltachat.capi import lib
-from deltachat.hookspec import PerAccount
+from deltachat.hookspec import account_hookimpl
 from deltachat.eventlogger import FFIEventLogger
 from _pytest.monkeypatch import MonkeyPatch
 from ffi_event import FFIEventTracker
@@ -293,14 +294,25 @@ def lp():
 
 @pytest.fixture
 def make_plugin_recorder():
+    @contextmanager
     def make_plugin_recorder(account):
         class HookImpl:
             def __init__(self):
                 self.calls_member_added = []
 
             @account_hookimpl
-            def member_added(self, chat, member):
-                self.calls_member_added.append(dict(chat=chat, member=member))
+            def member_added(self, chat, contact):
+                self.calls_member_added.append(dict(chat=chat, contact=contact))
+
+            def get_first(self, name):
+                val = getattr(self, "calls_" + name, None)
+                if val is not None:
+                    return val.pop(0)
+
+        with account.temp_plugin(HookImpl()) as plugin:
+            yield plugin
+
+    return make_plugin_recorder
 
 
 def wait_configuration_progress(account, min_target, max_target=1001):

python/tests/test_account.py

@@ -167,16 +167,17 @@ class TestOfflineChat:
         else:
             pytest.fail("could not find chat")
 
-    def test_add_member_event(self, ac1):
-        contact1 = ac1.create_contact("some1@hello.com", name="some1")
-        contact2 = ac1.create_contact("some2@hello.com", name="some2")
+    def test_add_member_event(self, ac1, make_plugin_recorder):
         chat = ac1.create_group_chat(name="title1")
+        # promote the chat
+        chat.send_text("hello")
+        contact1 = ac1.create_contact("some1@hello.com", name="some1")
 
         with make_plugin_recorder(ac1) as rec:
-            chat.add_contact(contact2)
+            chat.add_contact(contact1)
             kwargs = rec.get_first("member_added")
             assert kwargs["chat"] == chat
-            assert kwargs["member"] == contact2
+            assert kwargs["contact"] == contact1
 
     def test_group_chat_creation(self, ac1):
         contact1 = ac1.create_contact("some1@hello.com", name="some1")
@@ -1129,7 +1130,7 @@ class TestOnlineAccount:
         ac1._evtracker.get_matching("DC_EVENT_IMAP_MESSAGE_DELETED")
         ac2._evtracker.get_matching("DC_EVENT_IMAP_MESSAGE_DELETED")
         wait_securejoin_inviter_progress(ac1, 1000)
-        ac1._evtracker.get_matching("DC_EVENT_SECUREJOIN_MEMBER_ADDED")
+        ac1._evtracker.get_matching("DC_EVENT_MEMBER_ADDED")
 
     def test_qr_verified_group_and_chatting(self, acfactory, lp):
         ac1, ac2 = acfactory.get_two_online_accounts()
@@ -1141,7 +1142,7 @@ class TestOnlineAccount:
         chat2 = ac2.qr_join_chat(qr)
         assert chat2.id >= 10
         wait_securejoin_inviter_progress(ac1, 1000)
-        ac1._evtracker.get_matching("DC_EVENT_SECUREJOIN_MEMBER_ADDED")
+        ac1._evtracker.get_matching("DC_EVENT_MEMBER_ADDED")
 
         lp.sec("ac2: read member added message")
         msg = ac2._evtracker.wait_next_incoming_message()