Added option to disable the discovery community

By default, the launch of the DiscoveryCommunity is now disabled in the tests. Furthermore, this enables Gumby to also disable the DiscoveryCommunity, since Gumby usually starts isolated communities.

src/tribler-core/tribler_core/config/test_tribler_config.py

@@ -309,3 +309,12 @@ def test_get_set_default_add_download_to_channel(tribler_config):
     assert not tribler_config.get_default_add_download_to_channel()
     tribler_config.set_default_add_download_to_channel(True)
     assert tribler_config.get_default_add_download_to_channel()
+
+
+def test_get_set_discovery_community_enabled(tribler_config):
+    """
+    Test disabling the discovery community.
+    """
+    assert not tribler_config.get_discovery_community_enabled()
+    tribler_config.set_discovery_community_enabled(True)
+    assert tribler_config.get_discovery_community_enabled()

src/tribler-core/tribler_core/config/tribler_config.py

@@ -579,6 +579,14 @@ def set_record_transactions(self, value):
     def get_record_transactions(self):
         return self.config['market_community']['record_transactions']
 
+    # Discovery Community
+
+    def set_discovery_community_enabled(self, value: bool) -> None:
+        self.config['discovery_community']['enabled'] = value
+
+    def get_discovery_community_enabled(self) -> bool:
+        return self.config['discovery_community']['enabled']
+
     # DHT
 
     def set_dht_enabled(self, value):

src/tribler-core/tribler_core/config/tribler_config.spec

@@ -16,6 +16,9 @@ enabled = boolean(default=False)
 matchmaker = boolean(default=True)
 record_transactions = boolean(default=False)
 
+[discovery_community]
+enabled = boolean(default=True)
+
 [dht]
 enabled = boolean(default=True)
 

src/tribler-core/tribler_core/conftest.py

@@ -46,6 +46,7 @@ def tribler_config(tribler_state_dir, tribler_download_dir):
     config.set_default_destination_dir(tribler_download_dir)
     config.set_torrent_checking_enabled(False)
     config.set_ipv8_enabled(False)
+    config.set_discovery_community_enabled(False)
     config.set_ipv8_walk_scaling_enabled(False)
     config.set_libtorrent_enabled(False)
     config.set_libtorrent_dht_readiness_timeout(0)

src/tribler-core/tribler_core/modules/ipv8_module_catalog.py

@@ -23,7 +23,7 @@ def get_overlay_class(self):
         return DiscoveryCommunity
 
     def should_launch(self, session):
-        return True
+        return session.config.get_discovery_community_enabled()
 
     def get_kwargs(self, session):
         return {}

src/tribler-core/tribler_core/tests/test_session.py

@@ -119,7 +119,6 @@ async def test_load_ipv8_overlays(mocked_endpoints, enable_ipv8, session):
     await session.start()
 
     loaded_launchers = [overlay.__class__.__name__ for overlay in session.ipv8.overlays]
-    assert "DiscoveryCommunity" in loaded_launchers
     assert "TrustChainCommunity" in loaded_launchers
     assert "TrustChainTestnetCommunity" not in loaded_launchers
     assert "DHTDiscoveryCommunity" in loaded_launchers
@@ -152,7 +151,6 @@ async def test_load_ipv8_overlays_testnet(mocked_endpoints, enable_ipv8, session
     await session.start()
 
     loaded_launchers = [overlay.__class__.__name__ for overlay in session.ipv8.overlays]
-    assert "DiscoveryCommunity" in loaded_launchers
     assert "TrustChainCommunity" not in loaded_launchers
     assert "TrustChainTestnetCommunity" in loaded_launchers
     assert "DHTDiscoveryCommunity" in loaded_launchers