Remove unused code

src/tribler-common/tribler_common/logger/__init__.py

@@ -7,16 +7,6 @@
 import yaml
 
 
-class InfoFilter(logging.Filter):
-    def filter(self, rec):
-        return rec.levelno == logging.INFO
-
-
-class ErrorFilter(logging.Filter):
-    def filter(self, rec):
-        return rec.levelno == logging.ERROR
-
-
 def setup_logging(config_path='config.yaml', module='core', log_dir='LOG_DIR'):
     """
     Setup logging configuration with the given YAML file.

src/tribler-common/tribler_common/simpledefs.py

@@ -40,26 +40,6 @@
 # Infohashes are always 20 byte binary strings
 INFOHASH_LENGTH = 20
 
-# SIGNALS (for internal use)
-SIGNAL_ALLCHANNEL_COMMUNITY = 'signal_allchannel_community'
-SIGNAL_CHANNEL_COMMUNITY = 'signal_channel_community'
-SIGNAL_SEARCH_COMMUNITY = 'signal_search_community'
-SIGNAL_GIGACHANNEL_COMMUNITY = 'signal_gigachannel_community'
-
-SIGNAL_ON_SEARCH_RESULTS = 'signal_on_search_results'
-SIGNAL_ON_TORRENT_UPDATED = 'signal_on_torrent_updated'
-
-# SIGNALS (for common use, like APIs)
-SIGNAL_TORRENT = 'signal_torrent'
-SIGNAL_CHANNEL = 'signal_channel'
-SIGNAL_RSS_FEED = 'signal_rss_feed'
-
-SIGNAL_ON_CREATED = 'signal_on_created'
-SIGNAL_ON_UPDATED = 'signal_on_updated'
-
-SIGNAL_RESOURCE_CHECK = 'signal_resource_check'
-SIGNAL_LOW_SPACE = 'signal_low_space'
-
 # Tribler Core states
 STATE_STARTING = "STARTING"
 STATE_UPGRADING = "UPGRADING"

src/tribler-core/tribler_core/components/gigachannel/community/request.py

@@ -21,25 +21,6 @@ def timeout_delay(self):
     def on_timeout(self):
         pass
 
-    def process_peer_response(self, peer):
-        """
-        Returns whether to process this response from the given peer in the community. If the peer response has
-        already been processed then it is skipped. Moreover, if all the responses from the expected peers are received,
-        the request is removed from the request cache.
-        :param peer: Peer
-        :return: True if peer has not been processed before, else False
-        """
-        mid = hexlify(peer.mid)
-        if mid in self.requested_peers and not self.requested_peers[mid]:
-            self.requested_peers[mid] = True
-
-            # Check if all expected responses are received
-            if all(self.requested_peers.values()):
-                self.remove_request()
-
-            return True
-        return False
-
     def remove_request(self):
         if self.request_cache.has(self.prefix, self.number):
             try:

src/tribler-core/tribler_core/components/metadata_store/db/orm_bindings/channel_metadata.py

@@ -447,11 +447,6 @@ def get_channels_by_title(cls, title):
         def get_channel_with_infohash(cls, infohash):
             return cls.get(infohash=infohash)
 
-        @classmethod
-        @db_session
-        def get_recent_channel_with_public_key(cls, public_key):
-            return cls.select(lambda g: g.public_key == public_key).sort_by(lambda g: desc(g.id_)).first() or None
-
         @classmethod
         @db_session
         def get_channel_with_dirname(cls, dirname):

src/tribler-core/tribler_core/components/metadata_store/db/orm_bindings/collection_node.py

@@ -126,10 +126,6 @@ def contents(self):
         def actual_contents(self):
             return self.contents.where(lambda g: g.status != TODELETE)
 
-        @db_session
-        def get_random_contents(self, limit):
-            return self.contents.where(lambda g: g.status not in [NEW, TODELETE]).random(limit)
-
         @property
         @db_session
         def contents_list(self):