Improve some bare or redundant excepts

poezio/config.py

@@ -360,7 +360,7 @@ class Config(RawConfigParser):
             try:
                 with open(self.file_name, 'r', encoding='utf-8') as df:
                     lines_before = [line.strip() for line in df]
-            except:
+            except OSError:
                 log.error('Unable to read the config file %s',
                         self.file_name,
                         exc_info=True)

poezio/daemon.py

@@ -57,7 +57,7 @@ class Executor(threading.Thread):
         if self.filename:
             try:
                 stdout = open(self.filename, self.redirection_mode)
-            except (OSError, IOError):
+            except OSError:
                 log.error('Could not open redirection file: %s', self.filename, exc_info=True)
                 return
         try:

poezio/logger.py

@@ -261,7 +261,7 @@ class Logger(object):
         else:
             try:
                 fd.flush()          # TODO do something better here?
-            except:
+            except OSError:
                 log.error('Unable to flush the log file (%s)',
                         os.path.join(log_dir, jid),
                         exc_info=True)

poezio/multiuserchat.py

@@ -172,8 +172,7 @@ def set_user_affiliation(xmpp, muc_jid, affiliation, nick=None, jid=None, reason
     try:
         return xmpp.plugin['xep_0045'].set_affiliation(str(muc_jid), str(jid) if jid else None, nick, affiliation)
     except:
-        import traceback
-        log.debug('Error setting the affiliation: %s', traceback.format_exc())
+        log.debug('Error setting the affiliation: %s', exc_info=True)
         return False
 
 def cancel_config(xmpp, room):

poezio/plugin_manager.py

@@ -266,17 +266,13 @@ class PluginManager(object):
         completion function that completes the name of the plugins, from
         all .py files in plugins_dir
         """
-        try:
-            names = set()
-            for path_ in self.load_path:
-                try:
-                    add = set(os.listdir(path_))
-                    names |= add
-                except:
-                    pass
-        except OSError as e:
-            self.core.information('Completion failed: %s' % e, 'Error')
-            return False
+        names = set()
+        for path_ in self.load_path:
+            try:
+                add = set(os.listdir(path_))
+                names |= add
+            except OSError:
+                pass
         plugins_files = [name[:-3] for name in names if name.endswith('.py')
                 and name != '__init__.py' and not name.startswith('.')]
         plugins_files.sort()