Fix pylint errors

- consider-using-enumerate
- unneeded-not
- unidiomatic-typecheck

gajim/common/connection_handlers.py

@@ -371,7 +371,7 @@ class ConnectionHandlersBase:
 
         # determine if this session is a pm session
         # if not, discard the resource so that all sessions are stored bare
-        if not type_ == 'pm':
+        if type_ != 'pm':
             jid = app.get_jid_without_resource(jid)
 
         if not jid in self.sessions:

gajim/common/zeroconf/zeroconf_avahi.py

@@ -95,7 +95,7 @@ class Zeroconf:
                     # try to reduce instead of delete first
                     resolved_info = val[Constant.RESOLVED_INFO]
                     if len(resolved_info) > 1:
-                        for i in range(len(resolved_info)):
+                        for i, _info in enumerate(resolved_info):
                             if resolved_info[i][ConstantRI.INTERFACE] == interface and resolved_info[i][ConstantRI.PROTOCOL] == protocol:
                                 del self.contacts[key][Constant.RESOLVED_INFO][i]
                         # if still something left, don't remove
@@ -180,7 +180,7 @@ class Zeroconf:
                 old_name, old_domain, old_resolved_info, old_bare_name, _old_txt = self.contacts[name]
                 if name == old_name and domain == old_domain and bare_name == old_bare_name:
                     # Seems similar enough, try to merge resolved info:
-                    for i in range(len(old_resolved_info)):
+                    for i, _info in enumerate(old_resolved_info):
                         # for now, keep a single record for each (interface, protocol) pair
                         #
                         # Note that, theoretically, we could both get IPv4 and

gajim/dataforms_widget.py

@@ -276,8 +276,8 @@ class DataFormWidget(Gtk.Alignment):
         selection = self.records_treeview.get_selection()
         model, rowrefs = selection.get_selected_rows()
         # rowref is a list of paths
-        for i in range(len(rowrefs)):
-            rowrefs[i] = Gtk.TreeRowReference.new(model, rowrefs[i])
+        for index, _path in enumerate(rowrefs):
+            rowrefs[index] = Gtk.TreeRowReference.new(model, rowrefs[index])
         # rowref is a list of row references; need to convert because we will
         # modify the model, paths would change
         for rowref in rowrefs:

gajim/gtk/account_wizard.py

@@ -339,8 +339,8 @@ class AccountCreationWizard:
         proxies_combobox.set_model(model)
         proxies = app.config.get_per('proxies')
         proxies.insert(0, _('None'))
-        for i in range(len(proxies)):
-            model.append([proxies[i]])
+        for proxy in proxies:
+            model.append([proxy])
         proxies_combobox.set_active(0)
 
     def on_manage_proxies_button_clicked(self, widget):

gajim/gtk/preferences.py

@@ -179,28 +179,28 @@ class Preferences(Gtk.ApplicationWindow):
         self.iconset_combobox.add_attribute(renderer_text, 'text', 1)
         self.iconset_combobox.add_attribute(renderer_image, 'image', 0)
         self.iconset_combobox.set_model(model)
-        l = []
+        dirlist = []
         for dir_ in iconsets_list:
             if not os.path.isdir(os.path.join(configpaths.get('DATA'), 'iconsets', dir_)) \
             and not os.path.isdir(os.path.join(configpaths.get('MY_ICONSETS'), dir_)):
                 continue
             if dir_ not in ('.svn', 'transports'):
-                l.append(dir_)
-        if l.count == 0:
-            l.append(' ')
-        for i in range(len(l)):
+                dirlist.append(dir_)
+        if not dirlist:
+            dirlist.append(' ')
+        for index, dir_ in enumerate(dirlist):
             preview = Gtk.Image()
             files = []
-            files.append(os.path.join(helpers.get_iconset_path(l[i]), '16x16',
+            files.append(os.path.join(helpers.get_iconset_path(dir_), '16x16',
                     'online.png'))
-            files.append(os.path.join(helpers.get_iconset_path(l[i]), '16x16',
+            files.append(os.path.join(helpers.get_iconset_path(dir_), '16x16',
                     'online.gif'))
             for file_ in files:
                 if os.path.exists(file_):
                     preview.set_from_file(file_)
-            model.append([preview, l[i]])
-            if app.config.get('iconset') == l[i]:
-                self.iconset_combobox.set_active(i)
+            model.append([preview, dir_])
+            if app.config.get('iconset') == dir_:
+                self.iconset_combobox.set_active(index)
 
         # Use transports iconsets
         st = app.config.get('use_transports_iconsets')
@@ -985,12 +985,12 @@ class Preferences(Gtk.ApplicationWindow):
         proxy_combobox = self.xml.get_object('proxies_combobox')
         model = proxy_combobox.get_model()
         model.clear()
-        l = app.config.get_per('proxies')
-        l.insert(0, _('None'))
-        for i in range(len(l)):
-            model.append([l[i]])
-            if our_proxy == l[i]:
-                proxy_combobox.set_active(i)
+        proxies = app.config.get_per('proxies')
+        proxies.insert(0, _('None'))
+        for index, proxy in enumerate(proxies):
+            model.append([proxy])
+            if our_proxy == proxy:
+                proxy_combobox.set_active(index)
 
     def on_open_advanced_editor_button_clicked(self, widget, data=None):
         if 'advanced_config' in app.interface.instances:

gajim/gui_interface.py

@@ -1568,7 +1568,7 @@ class Interface:
         for event_name, event_handlers in self.handlers.items():
             for event_handler in event_handlers:
                 prio = ged.GUI1
-                if type(event_handler) == tuple:
+                if isinstance(event_handler, tuple):
                     prio = event_handler[1]
                     event_handler = event_handler[0]
                 app.ged.register_event_handler(event_name, prio,