Fix some excepts (bare, useless, unused)

plugins/reminder.py

@@ -116,7 +116,7 @@ class Plugin(BasePlugin):
     def command_done(self, arg="0"):
         try:
             id_ = int(arg)
-        except:
+        except ValueError:
             return
         if id_ not in self.tasks:
             return

poezio/core/commands.py

@@ -9,6 +9,8 @@ log = logging.getLogger(__name__)
 import os
 from xml.etree import cElementTree as ET
 
+from slixmpp.exceptions import XMPPError
+from slixmpp.xmlstream.xmlstream import NotConnectedError
 from slixmpp.xmlstream.stanzabase import StanzaBase
 from slixmpp.xmlstream.handler import Callback
 from slixmpp.xmlstream.matcher import StanzaPath
@@ -157,7 +159,7 @@ class CommandCore:
             pres = self.core.xmpp.make_presence(pto=jid, ptype=ptype, pstatus=status)
             self.core.events.trigger('send_normal_presence', pres)
             pres.send()
-        except:
+        except (XMPPError, NotConnectedError):
             self.core.information('Could not send directed presence', 'Error')
             log.debug('Could not send directed presence to %s', jid, exc_info=True)
             return

poezio/core/completions.py

@@ -55,7 +55,7 @@ class CompletionCore:
         themes_dir = os.path.expanduser(themes_dir)
         try:
             names = os.listdir(themes_dir)
-        except OSError as e:
+        except OSError:
             log.error('Completion for /theme failed', exc_info=True)
             return False
         theme_files = [name[:-3] for name in names if name.endswith('.py') and name != '__init__.py']

poezio/plugin_manager.py

@@ -52,10 +52,7 @@ class PluginManager(object):
 
     def disable_plugins(self):
         for plugin in set(self.plugins.keys()):
-            try:
-                self.unload(plugin, notify=False)
-            except:
-                pass
+            self.unload(plugin, notify=False)
 
     def load(self, name, notify=True):
         """

poezio/tabs/conversationtab.py

@@ -26,6 +26,7 @@ from poezio.common import safeJID
 from poezio.config import config
 from poezio.decorators import refresh_wrapper
 from poezio.roster import roster
+from poezio.text_buffer import CorrectionError
 from poezio.theming import get_theme, dump_tuple
 from poezio.decorators import command_args_parser
 
@@ -116,7 +117,7 @@ class ConversationTab(OneToOneTab):
                     self.modify_message(msg['body'], self.last_sent_message['id'], msg['id'], jid=self.core.xmpp.boundjid,
                             nickname=self.core.own_nick)
                     replaced = True
-                except:
+                except CorrectionError:
                     log.error('Unable to correct a message', exc_info=True)
         else:
             del msg['replace']

poezio/theming.py

@@ -487,7 +487,7 @@ def update_themes_dir(option=None, value=None):
     # system-wide import
     try:
         import poezio_themes
-    except:
+    except ImportError:
         pass
     else:
         if poezio_themes.__path__: