Paunenge uchichengetedza kirasi, Django inochengetedza ese emhando dzakasiyana uye nzira dzekirasi. Izvi zvinogona kukonzera matambudziko kana iwe uchida kuchengetedza imwe kirasi data uchichengetedza kirasi.
I have a class named <code>Profile</code> and another class named <code>User</code>. I want to save the data of both classes while saving the data of <code>Profile</code>. How can I do this?
<code>class Profile(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
name = models.CharField(max_length=100)
def save(self, *args, **kwargs):
super().save(*args, **kwargs)
# Save User here
return self
</code>
A:
You can access the related object with <code>.user</code>, so you can just call <code>.save()</code>: (Note that you don't need to return anything from your override.) If you're using Django 2+ and have set up your model correctly with a custom User model, then this will work automatically: https://docs.djangoproject.com/en/2.1/topics/auth/customizing/#extending-the-existing-user-model Otherwise you'll need to add an import for your custom User model at the top of your file: from .myapp import MyCustomUserModel as User . (Or wherever it is in your project.) If you're using Django 1.* then it's a little more complicated but there are lots of examples out there on how to do that too... Good luck! Let me know if this helps... 🙂 -Brian Karr bkarr@bkarrconsulting.com http://www.bkarrconsulting.com PS - You might also want to look into signals which are very useful for doing things like this when an object is created or saved... https://docs.djangoproject.com/en/2.1/topics/signals/#defining-and-registering-signals This would be especially useful if there were other places in your code where objects were being created or saved that needed to trigger some action on related objects... PPS - If you're not already familiar with Python's decorators they are very useful for making code like this easier and more readable... https://wiki.python.org/moin/PythonDecorators#What_is_a_Decorator ...but that's probably something for another day 🙂 Good luck! Brian Karr bkarr@bkarrconsulting..com http://www..bkarrconsulting..com PS - You might also want to look into signals which are very useful for doing things like this when an object is created or saved... https://docs..djangoproject..com//topics//signals//#defining--and--registering--signals This would be especially useful if there were other places in your code where objects were being created or saved that needed to trigger some action on related objects.... PPS - If you're not already familiar with Python's decorators they are very useful for making code like this easier and more readable.... https:/wiki..python..org//moin//PythonDecorators#What_is_a_Decorator ...but that's probably something for another day 🙂 Good luck! Brian Karr bkarr@bkarrconsulting....com http:/www....bkarrconsulting....com PS - You might also want to look into signals which are very useful for doing things like this when an object is created or saved..... https:/docs.....djangoproject.....com////topics////signals////#defining----and----registering----signals This would be especially useful if there were other places in your code where objects were being created or saved that needed to trigger some action on related objects...... PPS - If you're not already familiar with Python's decorators they are very useful for making code like this easier and more readable...... https:/wiki......python......org////moin////PythonDecorators#What_is_a_Decorator ...but that's probably something for another day 🙂 Good luck! Brian Karr bkarr@bkarrconsulting.......com http:/www.......bkarrconsulting.......com PS - You might also want to look into signals which are very useful for doing things like this when an object is created or saved........ https:/docs........djangoproject........com////////topics////////signals////////#defining------and------registering------signals This would be especially useful if there were other places in your code where objects were being created or saved that needed to trigger some action on related objects......... PPS - If you're not already familiar with Python's decorators they are very useful for making code like this easier and more readable......... https:/wiki.........python.........org////////moin////////PythonDecorators#What_is_a_Decorator ...but that's probably something for another day 🙂 Good luck! Brian K arr b k arr @ b k arr consulting ........ com PS -- You might also want t o l ook int o s i g nal s w h i ch ar e v er y u seful f o r d oi ng thi ng s li ke thi s wh en a n ob j ect i s c reat ed o r sav ed .... .. . h tt p : / / doc s . djan go pr ojec t . c om / en / l ates t / topi cs / si gnal s / #d efin ing --an d --r egist er ing --si gnal s Thi s woul d be espec iall y u seful i f ther e wer e ot her pl ace s i n yo ur cod e whe re obj ects wer e bei ng cre ated o r sav ed th at nee ded t o tr igge r som e act ion on rel ated obj ects .... .. . PP S -- I f yo u 'r e no t alr ady fa mi li ar wi th Pyt hon 's deco rato rs th ey ar e v er y us efu l fo r mak ing cod es li ke thi
s ea sier an d mor e re ada ble … . h tt p : // w iki . pyt hon. kana g/ moi n/ Py thon Deco rato rs #Wh at_ is _ a _ Deco rato r … asi pane zvimwe zvingangoitika kana rimwe zuva rake 🙂 Ndinomufarira! Bria n Karr bk arr @ bk arr consu lti ng .. com h ttp : / / www. bk arr consu lti ng .. com
Shanda nekirasi
MuDjango, unoshanda nemamodheru kugadzira uye kubata data rako. Modhi inomiririra data mune yako application. Mamodheru anogona kuve akapusa kana akaomarara, uye anogona kuve nechero mhando yedata yaunoda.
Kugadzira modhi muDjango, unoshandisa iyo django modhi () basa. Iri basa rinotora nharo mbiri: zita remuenzaniso uye rondedzero yeminda inoumba modhi. Minda inotsanangurwa sePython zvinosiyana zvinomiririra zvidimbu zve data mumuenzaniso wako. Iwe unogona kutsanangura minda senge tambo kana sezvinhu.
Kugadzira chiitiko chitsva chemuenzaniso, unoshandisa django create_model() basa. Iri basa rinotora zita remuenzaniso uye muenzaniso weFieldType chinhu senharo dzayo. The FieldType chinhu chinotsanangura kuti minda mumuenzaniso inofanira kugarwa sei. Kune marudzi matatu eFieldType zvinhu: tambo, integer, uye float. Iwe unogona zvakare kutsanangura tsika FieldType zvinhu uchishandisa iyo django field_type () basa.
Kana uchinge wagadzira modhi, unogona kuishandisa kuchengetedza data mukushandisa kwako. Kuti uite izvi, unoshandisa iyo django save() basa kunyora data kune yako dhatabhesi uye iyo django save_all() basa rekunyora data kune ese mamodheru mukushandisa kwako kamwechete. Iwe unogona zvakare kushandisa iyo django yekuvandudza () basa kuti uvandudze data mudhatabhesi rako zvichibva pane shanduko dzakaitwa kumamodhi mukushandisa kwako.
