aishwarya selvaraj wrote: > Dear all, > I have created 2 classes in 2 separate files.File 1 named atcore_py.pyx > with class andorCameraSDK3, and file 2 with name AndorCameraGUI making > use of TKinter. > I was able to import andorCameraSDK3 into AndorCameraGUI, but I was not > able to do the other way around, as I need to call the function Plot() in > file 2 inside function acquireimage() in file 1. > When I define self.master = master in file 1 and pass this from file 2 as > self.camera = andorCameraSDK3(self) , I get an error saying : > >> Exception in Tkinter callback >> > > Traceback (most recent call last): >> > File "/home/ravindra/anaconda2/lib/python2.7/lib-tk/Tkinter.py", line > 1541, >> in __call__ >> > > return self.func(*args) >> > File "/home/ravindra/PycharmProjects/LiveMode/GUI.py", line 278, in >> getCameraStringGU >> > > self.camera = AndorCameraSDK(self) >> > File "atcore_py.pyx", line 77, in AndorCameraDriver. >> andorCameraSDK3.__cinit__ >> > self.master = master >> > AttributeError: 'AndorCameraDriver.andorCameraSDK3' object has no > attribute >> 'master'
The attachments didn't make it, but it looks like you are using Cython. According to http://cython.readthedocs.io/en/latest/src/userguide/extension_types.html#dynamic-attributes you cannot add arbitrary attributes to a class written in Cython, you have to declare them: cdef class andorCameraSDK3: cdef object master ... > Process finished with exit code 0 >> >> > > > I'm attaching both the files along with this email. It would be great if > someone could help me out here. Thanks in advance > > > _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor