Added a few fail safe

Author: herosi

pyclassinformer/msvc_rtti.py

@@ -11,6 +11,11 @@
 import ida_ida
 import ida_idp
 
+try:
+    ModuleNotFoundError
+except NameError:
+    ModuleNotFoundError = ImportError
+
 ida_9_or_later = False
 try:
     from ida_struct import get_struc
@@ -235,7 +240,7 @@ def __init__(self, ea, nb_classes):
             pass
 
     # Sometimes, mdisp value is not included in COLs' offsets.
-    # In that case, use either one of the following:
+    # In that case, use either one of the followings:
     #   - zero (before iterating BCA)
     #   - in the middle of the BCD's mdisp of a path (for MI with multiple vftables)
     #   - least COL's offset (for other cases such as SI and MI with a single vftable)

pyclassinformer/pci_utils.py

@@ -13,6 +13,11 @@
 import ida_name
 import ida_ida
 
+try:
+    ModuleNotFoundError
+except NameError:
+    ModuleNotFoundError = ImportError
+
 ida_9_or_later = False
 try:
     import ida_struct

pyclassinformer/qtutils.py

@@ -1,13 +1,17 @@
 import ida_kernwin
 
+try:
+    ModuleNotFoundError
+except NameError:
+    ModuleNotFoundError = ImportError
 
 def can_use_qt():
     try:
         import sip
         from PyQt5 import QtCore
         from PyQt5 import QtWidgets
         from PyQt5 import QtGui
-    except ImportError:
+    except ModuleNotFoundError:
         return False
     return True
 
@@ -112,7 +116,7 @@ def is_dark_mode():
     def get_main_window():
         try:
             from PyQt5 import QtWidgets
-        except ImportError:
+        except ModuleNotFoundError:
             return None
 
         widget = QtWidgets.QApplication.activeWindow()
@@ -143,7 +147,7 @@ def _is_dark_mode(bgcolor, threshold=128):
     def is_dark_mode_with_main():
         try:
             from PyQt5 import QtWidgets
-        except ImportError:
+        except ModuleNotFoundError:
             return False
 
         widget = dark_mode_checker_t.get_main_window()
@@ -165,7 +169,7 @@ def get_bgcolor(x=0, y=0, w=None):
             from PyQt5 import QtCore
             from PyQt5 import QtWidgets
             from PyQt5 import QtGui
-        except ImportError:
+        except ModuleNotFoundError:
             return bgcolor
 
         if str(w).startswith("<Swig Object of type 'TWidget *' at") and str(type(w)) in ["<class 'SwigPyObject'>", "<type 'SwigPyObject'>"]: # type: for py2, class: for py3