Remove code for loading logs

we MAM now

doc/source/configuration.rst

@@ -892,14 +892,6 @@ Options related to logging.
 .. glossary::
     :sorted:
 
-    load_log
-
-        **Default value:** ``10``
-
-        The number of line to preload in a chat buffer when it opens. The lines are
-        loaded from the log files.
-        ``0`` or a negative value here disable that option.
-
     log_dir
 
         **Default value:** ``[empty]``
@@ -1177,16 +1169,6 @@ found.
 
         Ignore private messages sent from this room.
 
-    load_log
-
-        **Default value:** ``10``
-
-        The number of line to preload in a chat buffer when it opens. The lines are
-        loaded from the log files.
-        ``0`` or a negative value here disable that option.
-
-        No value makes poezio fall back to the global value.
-
     password
 
         **Default value:** ``[empty]``

poezio/config.py

@@ -90,7 +90,6 @@ DEFAULT_CONFIG = {
         'keyfile': '',
         'lang': 'en',
         'lazy_resize': True,
-        'load_log': 10,
         'log_dir': '',
         'log_errors': True,
         'max_lines_in_memory': 2048,

poezio/logger.py

@@ -132,52 +132,6 @@ class Logger:
                 'Unable to open the log file (%s)', filename, exc_info=True)
         return None
 
-    def get_logs(self, jid: str,
-                 nb: int = 10) -> Optional[List[Dict[str, Any]]]:
-        """
-        Get the nb last messages from the log history for the given jid.
-        Note that a message may be more than one line in these files, so
-        this function is a little bit more complicated than “read the last
-        nb lines”.
-        """
-        if config.get_by_tabname('load_log', jid) <= 0:
-            return None
-
-        if not config.get_by_tabname('use_log', jid):
-            return None
-
-        if nb <= 0:
-            return None
-
-        self._check_and_create_log_dir(jid, open_fd=False)
-
-        filename = log_dir / jid
-        try:
-            fd = filename.open('rb')
-        except FileNotFoundError:
-            log.info('Non-existing log file (%s)', filename, exc_info=True)
-            return None
-        except OSError:
-            log.error(
-                'Unable to open the log file (%s)', filename, exc_info=True)
-            return None
-        if not fd:
-            return None
-
-        # read the needed data from the file, we just search nb messages by
-        # searching "\nM" nb times from the end of the file.  We use mmap to
-        # do that efficiently, instead of seek()s and read()s which are costly.
-        with fd:
-            try:
-                lines = _get_lines_from_fd(fd, nb=nb)
-            except Exception:  # file probably empty
-                log.error(
-                    'Unable to mmap the log file for (%s)',
-                    filename,
-                    exc_info=True)
-                return None
-        return parse_log_lines(lines, jid)
-
     def log_message(self,
                     jid: str,
                     nick: str,

poezio/tabs/basetabs.py

@@ -519,14 +519,6 @@ class ChatTab(Tab):
         self.update_commands()
         self.update_keys()
 
-        # Get the logs
-        log_nb = config.get('load_log')
-        logs = self.load_logs(log_nb)
-
-        if logs:
-            for message in logs:
-                self._text_buffer.add_message(**message)
-
     @property
     def name(self) -> str:
         if self._name is not None:
@@ -562,9 +554,6 @@ class ChatTab(Tab):
     def general_jid(self) -> JID:
         raise NotImplementedError
 
-    def load_logs(self, log_nb: int) -> Optional[List[Dict[str, Any]]]:
-        return logger.get_logs(self.jid.bare, log_nb)
-
     def log_message(self,
                     txt: str,
                     nickname: str,

poezio/tabs/privatetab.py

@@ -104,10 +104,6 @@ class PrivateTab(OneToOneTab):
     def remove_information_element(plugin_name):
         del PrivateTab.additional_information[plugin_name]
 
-    def load_logs(self, log_nb):
-        logs = logger.get_logs(self.jid.full.replace('/', '\\'), log_nb)
-        return logs
-
     def log_message(self, txt, nickname, time=None, typ=1):
         """
         Log the messages in the archives.