Workaround pyside bug

README.md

@@ -34,6 +34,7 @@ LICENSE: LGPL - see LICENSE file
 
 CHANGELOG:
 
+1.7.7   - Workaround pyside bug raising Overflow error for 64 bits numbers
 1.7.5   - Better compatibility with old versions of DMT not supporting Optional fields
 1.7.4   - Bugfix for opengeode simulator
 1.7.3   - Support optionality in standalone editor too

asn1_value_editor/asn1_value_editor.py

@@ -16,7 +16,7 @@
 
 __author__ = "Maxime Perrotin"
 __license__ = "LGPLv3"
-__version__ = "1.7.6"
+__version__ = "1.7.7"
 __url__ = "https://taste.tools"
 
 import sys
@@ -403,7 +403,7 @@ class asn1Editor(QTreeView):
                     intMappings = root.child(i, 3).data(INTMAP)
                     for enumerant, num in intMappings.viewitems():
                         if enumerant == value:
-                            ptr.Set(num)
+                            ptr.Set(int(num))
                             break
                     else:
                         raise TypeError('ENUMERATED value not found')
@@ -462,7 +462,7 @@ class asn1Editor(QTreeView):
                 intMappings = self.model.item(row, 3).data(INTMAP)
                 for enumerant, num in intMappings.viewitems():
                     if enumerant == value:
-                        dest.Set(num)
+                        dest.Set(int(num))
                         break
                 else:
                     self.log.error('Missing enumerted or bug - please report')
@@ -525,7 +525,7 @@ class asn1Editor(QTreeView):
                 value = ptr.Get()
                 intMappings = child.data(INTMAP)
                 for enumerant, num in intMappings.viewitems():
-                    if num == value:
+                    if int(num) == value:
                         child.setText(enumerant)
                         break
                 else:
@@ -646,7 +646,7 @@ class asn1Editor(QTreeView):
             for enumerant, num in intMappings.viewitems():
                 # XXX if value is not initialized and no enum has value 0
                 # an error will be raised
-                if num == value:
+                if int(num) == value:
                     self.model.item(row, 3).setText(enumerant)
                     break
             else:
@@ -955,7 +955,12 @@ class asn1Editor(QTreeView):
         # Define type attributes, later used to define the proper cell editor
         val.setData(elem["type"], ASN1TYPE)  # type (ENUMERATED)
         val.setData(elem["values"], CHOICE_LIST)  # enum values
-        val.setData(elem["valuesInt"], INTMAP) # mapping name - value
+        # Due to a bug in Pyside, there can be an OverflowError raised if the
+        # enumerated value cannot fit in 32 bits storage. To workaround, the
+        # value is tranformed o a string.
+        workaround = {a:str(b) for a, b in elem['valuesInt'].viewitems()}
+        val.setData(workaround, INTMAP) # mapping name - value
+        #val.setData(elem["valuesInt"], INTMAP) # mapping name - value
         constraint = QStandardItem()
         present    = QStandardItem()