Hello,
I want to change the database backend for an existing (test) application
from SQLite to PostgreSQL. The table structures are identical, so I
thought I just had to do three things:
- create the application using "app = dabo.dApp("myCryptoKey")
- put a .cnxml file in the db directory of the application which is
right for the PostgreSQL database (and which works in another application)
- edit the line "
conn = self.Application.getConnectionByName("myConnectionName")
in the createBizobjs() method of the main window class.
But after doing this and calling the main method of the application,
nothing happens. No error message in the terminal and no window. I put
print statements into main() and it seems that app.start() is the place
where it hangs. Print statements in afterInit() and createBizobjs() of
the main window class aren't executed.
Then I started the CxnEditor and opened the .cnxml file. I entered the
CryptoKey, everything in the form looked normal, only the password field
empty and the "Home directory" is the directory I started the CxnEditor
from. Clicking the "Test" button (still with the empty password field)
gives "Connection was successful". Clicking the "Save" button gives this
exception:
sib@gespenst-xubuntu:~/src/dabo-trunk/ide$ ./CxnEditor.py
/home/sib/src/dabo-trunk/dabo/lib/SimpleCrypt.py:52: UserWarning:
WARNING: SimpleCrypt is not secure. Please see
http://wiki.dabodev.com/SimpleCrypt for more information
warnings.warn("WARNING: SimpleCrypt is not secure. Please see
http://wiki.dabodev.com/SimpleCrypt for more information")
Traceback (most recent call last):
File "/home/sib/src/dabo-trunk/dabo/ui/uiwx/dControlMixin.py", line
27, in _onWxHit
self.raiseEvent(dEvents.Hit, evt, *args, **kwargs)
File "/home/sib/src/dabo-trunk/dabo/ui/uiwx/dPemMixin.py", line 1074,
in raiseEvent
super(dPemMixin, self).raiseEvent(eventClass, nativeEvent, *args,
**kwargs)
File "/home/sib/src/dabo-trunk/dabo/lib/eventMixin.py", line 81, in
raiseEvent
bindingFunction(event)
File "./CxnEditor.py", line 274, in onSave
self.saveFile()
File "./CxnEditor.py", line 430, in saveFile
self.writeChanges()
File "./CxnEditor.py", line 543, in writeChanges
vals = self.relPaths(self.connDict.values())
File "./CxnEditor.py", line 556, in relPaths
if self.isFileBasedBackend(val["dbtype"]):
KeyError: 'dbtype'
What is happening here? What sort of information should I provide?
Thank you,
Sibylle
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