Remove useless object inheritance, simplify super() calls, use OSErro…

…r for all aliases past Python 3.3

gui/wxpython/animation/controller.py

@@ -300,7 +300,7 @@ def SetAnimations(self, layerLists):
                     anim.SetLayerList(layerLists[i])
                     animationData.append(anim)
 
-        except (GException, ValueError, IOError) as e:
+        except (GException, ValueError, OSError) as e:
             GError(
                 parent=self.frame,
                 message=str(e),

gui/wxpython/animation/data.py

@@ -33,7 +33,7 @@
 from core.layerlist import LayerList, Layer
 
 
-class AnimationData(object):
+class AnimationData:
     def __init__(self):
         self._name = None
         self._windowIndex = 0
@@ -133,7 +133,7 @@ def SetWorkspaceFile(self, fileName):
             raise ValueError(_("No workspace file selected."))
 
         if not os.path.exists(fileName):
-            raise IOError(_("File %s not found") % fileName)
+            raise OSError(_("File %s not found") % fileName)
         self._workspaceFile = fileName
 
         self.nvizTask.Load(self.workspaceFile)

gui/wxpython/animation/dialogs.py

@@ -749,7 +749,7 @@ def OnOk(self, event):
             self._update()
             self.UnInit()
             self.EndModal(wx.ID_OK)
-        except (GException, ValueError, IOError) as e:
+        except (GException, ValueError, OSError) as e:
             GError(message=str(e), showTraceback=False, caption=_("Invalid input"))
 
 

gui/wxpython/animation/temporal_manager.py

@@ -36,7 +36,7 @@ class GranularityMode:
     ORIGINAL = 2
 
 
-class TemporalManager(object):
+class TemporalManager:
     """Class for temporal data processing."""
 
     def __init__(self):

gui/wxpython/core/gconsole.py

@@ -629,7 +629,7 @@ def RunCmd(
                             skipInterface = False
                             break
                     sfile.close()
-                except IOError:
+                except OSError:
                     pass
 
             if len(command) == 1 and not skipInterface:
@@ -822,7 +822,7 @@ def UpdateHistoryFile(self, command):
                 env["GISDBASE"], env["LOCATION_NAME"], env["MAPSET"], ".wxgui_history"
             )
             fileHistory = codecs.open(filePath, encoding="utf-8", mode="a")
-        except IOError as e:
+        except OSError as e:
             GError(
                 _("Unable to write file '%(filePath)s'.\n\nDetails: %(error)s")
                 % {"filePath": filePath, "error": e},

gui/wxpython/core/giface.py

@@ -40,7 +40,7 @@ class Notification:
     RAISE_WINDOW = 3
 
 
-class Layer(object):
+class Layer:
     """Layer is generally usable layer object.
 
     .. note::
@@ -52,7 +52,7 @@ class Layer(object):
     pass
 
 
-class LayerList(object):
+class LayerList:
     def GetSelectedLayers(self, checkedOnly=True):
         """Returns list of selected layers.
 

gui/wxpython/core/layerlist.py

@@ -19,7 +19,7 @@
 from grass.script import core as gcore
 
 
-class LayerList(object):
+class LayerList:
     """Non GUI class managing list of layers.
 
     It provides API for handling layers. In the future,
@@ -162,7 +162,7 @@ def __str__(self):
         return text
 
 
-class Layer(object):
+class Layer:
     """Object representing layer.
 
     Properties of the object are checked during setting.

gui/wxpython/core/render.py

@@ -60,7 +60,7 @@ def get_tempfile_name(suffix, create=False):
     return name
 
 
-class Layer(object):
+class Layer:
     """Virtual class which stores information about layers (map layers and
     overlays) of the map composition.
 
@@ -902,7 +902,7 @@ def GetWindow(self):
         )
         try:
             windfile = open(filename, "r")
-        except IOError as e:
+        except OSError as e:
             sys.exit(
                 _("Error: Unable to open '%(file)s'. Reason: %(ret)s. wxGUI exited.\n")
                 % {"file": filename, "ret": e}

gui/wxpython/core/settings.py

@@ -62,7 +62,7 @@ def color(item):
             else:
                 return item
 
-        return super(SettingsJSONEncoder, self).iterencode(color(obj))
+        return super().iterencode(color(obj))
 
 
 def settings_JSON_decode_hook(obj):
@@ -932,7 +932,7 @@ def _readLegacyFile(self, settings=None):
 
         try:
             fd = open(self.legacyFilePath, "r")
-        except IOError:
+        except OSError:
             sys.stderr.write(
                 _("Unable to read settings file <%s>\n") % self.legacyFilePath
             )
@@ -987,7 +987,7 @@ def SaveToFile(self, settings=None):
         try:
             with open(self.filePath, "w") as f:
                 json.dump(settings, f, indent=2, cls=SettingsJSONEncoder)
-        except IOError as e:
+        except OSError as e:
             raise GException(e)
         except Exception as e:
             raise GException(

gui/wxpython/core/treemodel.py

@@ -20,7 +20,7 @@
 from grass.script.utils import naturally_sort
 
 
-class TreeModel(object):
+class TreeModel:
     """Class represents a tree structure with hidden root.
 
     TreeModel is used together with TreeView class to display results in GUI.
@@ -192,7 +192,7 @@ def __str__(self):
         return "\n".join(text)
 
 
-class DictNode(object):
+class DictNode:
     """Node which has data in a form of dictionary."""
 
     def __init__(self, data=None):
@@ -243,7 +243,7 @@ class ModuleNode(DictNode):
     """Node representing module."""
 
     def __init__(self, label=None, data=None):
-        super(ModuleNode, self).__init__(data=data)
+        super().__init__(data=data)
         self._label = label if label else ""
         if not data:
             self.data = {}

gui/wxpython/core/utils.py

@@ -802,7 +802,7 @@ def GetSettingsPath():
     try:
         verFd = open(os.path.join(ETCDIR, "VERSIONNUMBER"))
         version = int(verFd.readlines()[0].split(" ")[0].split(".")[0])
-    except (IOError, ValueError, TypeError, IndexError) as e:
+    except (OSError, ValueError, TypeError, IndexError) as e:
         sys.exit(_("ERROR: Unable to determine GRASS version. Details: %s") % e)
 
     verFd.close()
@@ -840,7 +840,7 @@ def StoreEnvVariable(key, value=None, envFile=None):
     if os.path.exists(envFile):
         try:
             fd = open(envFile)
-        except IOError as e:
+        except OSError as e:
             sys.stderr.write(_("Unable to open file '%s'\n") % envFile)
             return
         for line in fd.readlines():
@@ -870,7 +870,7 @@ def StoreEnvVariable(key, value=None, envFile=None):
     # write update env file
     try:
         fd = open(envFile, "w")
-    except IOError as e:
+    except OSError as e:
         sys.stderr.write(_("Unable to create file '%s'\n") % envFile)
         return
     if windows:

gui/wxpython/core/workspace.py

@@ -853,7 +853,7 @@ def __processNvizState(self, node):
         self.nviz_state["constants"] = constants
 
 
-class WriteWorkspaceFile(object):
+class WriteWorkspaceFile:
     """Generic class for writing workspace file"""
 
     def __init__(self, lmgr, file):
@@ -1721,7 +1721,7 @@ def __writeOverlayParams(self, disp_size, cmd, coord_px):
         self.indent -= 4
 
 
-class ProcessGrcFile(object):
+class ProcessGrcFile:
     def __init__(self, filename):
         """Process GRC file"""
         self.filename = filename
@@ -1747,7 +1747,7 @@ def read(self, parent):
         """
         try:
             file = open(self.filename, "r")
-        except IOError:
+        except OSError:
             wx.MessageBox(
                 parent=parent,
                 message=_("Unable to open file <%s> for reading.") % self.filename,

gui/wxpython/datacatalog/tree.py

@@ -174,7 +174,7 @@ class DataCatalogNode(DictNode):
     """Node representing item in datacatalog."""
 
     def __init__(self, data=None):
-        super(DataCatalogNode, self).__init__(data=data)
+        super().__init__(data=data)
 
     @property
     def label(self):
@@ -253,7 +253,7 @@ def __init__(
         """Location Map Tree constructor."""
         self._model = TreeModel(DataCatalogNode)
         self._orig_model = self._model
-        super(DataCatalogTree, self).__init__(
+        super().__init__(
             parent=parent, model=self._model, id=wx.ID_ANY, style=style
         )
 

gui/wxpython/dbmgr/sqlbuilder.py

@@ -887,7 +887,7 @@ def __init__(self, parent, vectmap, id=wx.ID_ANY, layer=1):
             "map": vectmap,
         }
 
-        super(SQLBuilderWhere, self).__init__(
+        super().__init__(
             parent, title, vectmap, id=wx.ID_ANY, layer=layer
         )
 

gui/wxpython/gcp/manager.py

@@ -101,7 +101,7 @@ def getSmallDnArrowImage():
     return img
 
 
-class GCPWizard(object):
+class GCPWizard:
     """
     Start wizard here and finish wizard here
     """
@@ -1575,7 +1575,7 @@ def SaveGCPs(self, event):
                     + "\n"
                 )
 
-        except IOError as err:
+        except OSError as err:
             GError(
                 parent=self,
                 message="%s <%s>. %s%s"
@@ -1635,7 +1635,7 @@ def ReadGCPs(self):
                     self.list.CheckItem(index, check)
                 GCPcnt += 1
 
-        except IOError as err:
+        except OSError as err:
             GError(
                 parent=self,
                 message="%s <%s>. %s%s"

gui/wxpython/gmodeler/frame.py

@@ -1189,7 +1189,7 @@ def WriteModelFile(self, filename):
             tmpfile.seek(0)
             for line in tmpfile.readlines():
                 mfile.write(line)
-        except IOError:
+        except OSError:
             wx.MessageBox(
                 parent=self,
                 message=_("Unable to open file <%s> for writing.") % filename,
@@ -2173,7 +2173,7 @@ def OnRun(self, event):
         try:
             fd = open(self.filename, "w")
             fd.write(self.body.GetText())
-        except IOError as e:
+        except OSError as e:
             GError(_("Unable to launch Python script. %s") % e, parent=self)
             return
         finally:

gui/wxpython/gmodeler/model.py

@@ -62,7 +62,7 @@
 from grass.script import task as gtask
 
 
-class Model(object):
+class Model:
     """Class representing the model"""
 
     def __init__(self, canvas=None):
@@ -890,7 +890,7 @@ def Parameterize(self):
         return result
 
 
-class ModelObject(object):
+class ModelObject:
     def __init__(self, id=-1, label=""):
         self.id = id  # internal id, should be not changed
         self.label = ""

gui/wxpython/gui_core/dialogs.py

@@ -1809,7 +1809,7 @@ def __init__(
         self.parent = parent  # GMFrame
         self.opacity = opacity  # current opacity
 
-        super(SetOpacityDialog, self).__init__(
+        super().__init__(
             parent, id=id, pos=pos, size=size, style=style, title=title
         )
 

gui/wxpython/gui_core/forms.py

@@ -769,7 +769,7 @@ def MakeModal(self, modal=True):
             if not modal and hasattr(self, "_disabler"):
                 del self._disabler
         else:
-            super(TaskFrame, self).MakeModal(modal)
+            super().MakeModal(modal)
 
     def updateValuesHook(self, event=None):
         """Update status bar data"""
@@ -2571,7 +2571,7 @@ def OnFileLoad(self, event):
         data = ""
         try:
             f = open(path, "r")
-        except IOError as e:
+        except OSError as e:
             gcmd.GError(
                 parent=self,
                 showTraceback=False,

gui/wxpython/gui_core/ghelp.py

@@ -765,10 +765,10 @@ def OnLinkClicked(self, linkinfo):
         self.historyIdx += 1
         self.parent.OnHistory()
 
-        super(HelpWindow, self).OnLinkClicked(linkinfo)
+        super().OnLinkClicked(linkinfo)
 
     def LoadPage(self, path):
-        super(HelpWindow, self).LoadPage(path)
+        super().LoadPage(path)
         self.loaded = True
 
     def fillContentsFromFile(self, htmlFile, skipDescription=True):

gui/wxpython/gui_core/goutput.py

@@ -367,7 +367,7 @@ def OnOutputSave(self, event):
             try:
                 output = open(path, "w")
                 output.write(text)
-            except IOError as e:
+            except OSError as e:
                 GError(
                     _("Unable to write file '%(path)s'.\n\nDetails: %(error)s")
                     % {"path": path, "error": e}