Working commit to better handle errors

gui/errorDialog.py

@@ -17,31 +17,42 @@
 # along with pyfa.  If not, see <http://www.gnu.org/licenses/>.
 # ===============================================================================
 
-import platform
-import sys
+# import platform
+# import sys
+#
+# # noinspection PyPackageRequirements
+# import wx
+#
+# try:
+#     import config
+# except:
+#     config = None
+#
+# try:
+#     import sqlalchemy
+#
+#     sqlalchemy_version = sqlalchemy.__version__
+# except:
+#     sqlalchemy_version = "Unknown"
+#
+# try:
+#     from logbook import __version__ as logbook_version
+# except:
+#     logbook_version = "Unknown"
+#
+# import wx.lib.agw.hyperlink
 
-# noinspection PyPackageRequirements
-import wx
 
-try:
-    import config
-except:
-    config = None
+class ErrorFrameHandler(object):
+    __app = None
 
-try:
-    import sqlalchemy
-
-    sqlalchemy_version = sqlalchemy.__version__
-except:
-    sqlalchemy_version = "Unknown"
-
-try:
-    from logbook import __version__ as logbook_version
-except:
-    logbook_version = "Unknown"
-
-import wx.lib.agw.hyperlink
+    @classmethod
+    def HandleException(cls, exc_type, exc_value, exc_traceback):
+        print("Handle excpetion! {}".format(cls.__app))
 
+    @classmethod
+    def SetApp(cls, wxApp):
+        cls.__app = wxApp
 
 
 class ErrorFrame(wx.Frame):

pyfa.py

@@ -20,11 +20,10 @@
 
 
 import os
-import platform
 import sys
 import traceback
 from optparse import AmbiguousOptionError, BadOptionError, OptionParser
-from service.prereqsCheck import PreCheckException, version_precheck, version_block
+from service.prereqsCheck import PreCheckException, PreCheckMessage, version_precheck, version_block
 from logbook import CRITICAL, DEBUG, ERROR, FingersCrossedHandler, INFO, Logger, NestedSetup, NullHandler, StreamHandler, TimedRotatingFileHandler, WARNING, \
     __version__ as logbook_version
 
@@ -161,9 +160,10 @@ def handleGUIException(exc_type, exc_value, exc_traceback):
         pass
         # sys.exit()
 
+from gui.errorDialog import ErrorFrameHandler
 
 # Replace the uncaught exception handler with our own handler.
-sys.excepthook = handleGUIException
+sys.excepthook = ErrorFrameHandler.HandleException
 
 # Parse command line options
 usage = "usage: %prog [--root]"
@@ -193,7 +193,10 @@ if __name__ == "__main__":
     # Configure paths
     print ('starting')
 
-    version_precheck()
+    try:
+        version_precheck()
+    except PreCheckException as ex:
+        PreCheckMessage(str(ex))
 
     import wx
 

service/prereqsCheck.py

@@ -8,6 +8,19 @@ version_block = ''
 class PreCheckException(Exception):
     pass
 
+class PreCheckMessage():
+    def __init__(self, msg):
+        # wx may not be installed, in which case print to console. For all other prechecks, should pop up a MessageDialog
+        try:
+            import wx
+            app = wx.App(False)
+            wx.MessageBox(msg, 'Error', wx.ICON_ERROR | wx.STAY_ON_TOP)
+            app.MainLoop()
+        except:
+            pass
+        finally:
+            print(msg)
+            sys.exit()
 
 def version_precheck():
     global version_block
@@ -40,7 +53,7 @@ def version_precheck():
         saMatch = re.match("([0-9]+).([0-9]+).([0-9]+)(([b\.])([0-9]+))?", sqlalchemy.__version__)
         version_block += "\nSQLAlchemy version: {}".format(sqlalchemy.__version__)
 
-        if (int(saMatch.group(1)), int(saMatch.group(2)), int(saMatch.group(3))) < (3, 0, 5):
+        if (int(saMatch.group(1)), int(saMatch.group(2)), int(saMatch.group(3))) < (1, 0, 5):
             raise Exception()
     except:
         msg = "pyfa requires SQLAlchemy v1.0.5+. You can download SQLAlchemy from https://www.sqlalchemy.org/download.html"