FEM: move errors in own module

src/Mod/Fem/femsolver/run.py

@@ -45,6 +45,7 @@ import femtools.membertools as membertools
 from . import settings
 from . import signal
 from . import task
+from femtools.errors import MustSaveError, DirectoryDoesNotExistError
 
 if App.GuiUp:
     import FreeCADGui
@@ -118,7 +119,7 @@ def run_fem_solver(solver, working_dir=None):
                 machine = getMachine(solver, working_dir)
             else:
                 machine = getMachine(solver)
-        except femutils.MustSaveError:
+        except MustSaveError:
             error_message = (
                 "Please save the file before executing the solver. "
                 "This must be done because the location of the working "
@@ -132,7 +133,7 @@ def run_fem_solver(solver, working_dir=None):
                     error_message
                 )
             return
-        except femutils.DirectoryDoesNotExistError:
+        except DirectoryDoesNotExistError:
             error_message = "Selected working directory doesn't exist."
             App.Console.PrintError(error_message + "\n")
             if App.GuiUp:
@@ -251,7 +252,7 @@ def _getBesideBase(solver):
                 "Can't start Solver",
                 error_message
             )
-        raise femutils.MustSaveError()
+        raise MustSaveError()
     return path
 
 
@@ -276,7 +277,7 @@ def _getCustomBase(solver):
                 "Can't start Solver",
                 error_message
             )
-        raise femutils.DirectoryDoesNotExistError("Invalid path")
+        raise DirectoryDoesNotExistError("Invalid path")
     return path
 
 

src/Mod/Fem/femsolver/solverbase.py

@@ -29,7 +29,7 @@ __url__ = "http://www.freecadweb.org"
 from PySide import QtGui
 
 import FreeCAD as App
-import femtools.femutils as femutils
+from femtools.errors import MustSaveError, DirectoryDoesNotExistError
 from . import run
 
 if App.GuiUp:
@@ -78,7 +78,7 @@ class ViewProxy(object):
     def setEdit(self, vobj, mode=0):
         try:
             machine = run.getMachine(vobj.Object)
-        except femutils.MustSaveError:
+        except MustSaveError:
             error_message = (
                 "Please save the file before opening the task panel. "
                 "This must be done because the location of the working "
@@ -91,7 +91,7 @@ class ViewProxy(object):
                 error_message
             )
             return False
-        except femutils.DirectoryDoesNotExistError:
+        except DirectoryDoesNotExistError:
             error_message = "Selected working directory doesn't exist."
             App.Console.PrintError(error_message + "\n")
             QtGui.QMessageBox.critical(