Can't create editable foreign key field in Django admin: going to give up on django
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Hanh Kieu
Sep 13, 2016, 1:02:44 AM9/13/16
to Django users
Hey guys, I'm creating a translation app that allows you to translate from one object to the other. My translation model has two foreign keys that links to two words, and on the admin site I want the Admin to be able to input two different words. The words they enter should be saved as individual words, as well as a translation. However, it looks like this isn't possible at all in Django. I've been trying so hard to read documentation but I am struggling. My Models look like this:
class Language(models.Model):
language_text = models.CharField(max_length=200)
def __str__(self):
return self.language_text
class Word(models.Model):
language = models.ForeignKey(Language, on_delete=models.CASCADE)
word_text = models.CharField(max_length=200)
def __str__(self):
return self.word_text
class Translation(models.Model):
#word1 belongs to one word
word1 = models.OneToOneField(Word, on_delete=models.CASCADE, related_name="Translation_word1")
#word2 belongs to another word
word2 = models.OneToOneField(Word, on_delete=models.CASCADE, related_name="Translation_word2")
I want the admin page for Translation to be able to take in two words and two languages and create a translation from them (rather than individually creating one word, then individually creating another word, then indiviudally creating a translation)
I've tried using TranslationForm(models.ModelForm), however when I submit it gives me an error that there are NULL values for my models :C. Help I am really lost and no one has been of help, I'm getting really frustrated with this aspect of django.
If someone could take time to actually understand my problem and help out that would be great please :C
Luis Zárate
Sep 13, 2016, 1:30:12 AM9/13/16
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ludovic coues
Sep 13, 2016, 1:39:29 AM9/13/16
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Have you looked at https://docs.djangoproject.com/en/1.10/ref/contrib/admin/#inlinemodeladmin-objects ?
It's still early morning here so I haven't to it with your specific use case but the django tutorial use this feature to create a poll and its response in the same form.
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Cordialement, Coues Ludovic
+336 148 743 42
Mike Dewhirst
Sep 13, 2016, 1:42:10 AM9/13/16
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On 13/09/2016 3:02 PM, Hanh Kieu wrote:
> Hey guys, I'm creating a translation app that allows you to translate
> from one object to the other. My translation model has two foreign
> keys that links to two words, and on the admin site I want the Admin
> to be able to input two different words. The words they enter should
> be saved as individual words, as well as a translation. However, it
> looks like this isn't possible at all in Django. I've been trying so
> hard to read documentation but I am struggling. My Models look like this:
>
> class Language(models.Model):
> language_text = models.CharField(max_length=200)
>
> def __str__(self):
> return self.language_text
>
>
> class Word(models.Model):
> language = models.ForeignKey(Language,on_delete=models.CASCADE)
> word_text = models.CharField(max_length=200)
>
> def __str__(self):
> return self.word_text
>
>
> class Translation(models.Model):
> #word1 belongs to one word word1 = models.OneToOneField(Word,on_delete=models.CASCADE,related_name="Translation_word1")
> Hey guys, I'm creating a translation app that allows you to translate
> from one object to the other. My translation model has two foreign
> keys that links to two words, and on the admin site I want the Admin
> to be able to input two different words. The words they enter should
> be saved as individual words, as well as a translation. However, it
> looks like this isn't possible at all in Django. I've been trying so
> hard to read documentation but I am struggling. My Models look like this:
>
> class Language(models.Model):
> language_text = models.CharField(max_length=200)
>
> def __str__(self):
> return self.language_text
>
>
> class Word(models.Model):
> language = models.ForeignKey(Language,on_delete=models.CASCADE)
> word_text = models.CharField(max_length=200)
>
> def __str__(self):
> return self.word_text
>
>
> class Translation(models.Model):
> #word2 belongs to another word word2 = models.OneToOneField(Word,on_delete=models.CASCADE,related_name="Translation_word2")
Word has a FK to Language so a word exists in a language and presumably
language_text will contain the name of the language like Ruby or French etc.
So for that word to exist in another language, another word in that
other language must have a FK to that other language. So if you have
enough words in enough languages it would certainly be useful to connect
them via a translation record.
But perhaps 1:1 is not what you want?
Maybe a particular word can be translated into two or three languages?
If so, you need an intermediate table which connects any one word with
many other words which belong in different languages. Sometimes too, the
same word is in more than one language with the same meaning.
One translation record needs to make a single connection between any two
word records. So your Translation needs a FK to each of two different words.
Because you probably want to enter words for which you don't have the
translation immediately to hand, it might be worthwhile permitting
Null=True and blank=True.
Hth
> I want the admin page for Translation to be able to take in two words
> and two languages and create a translation from them (rather than
> individually creating one word, then individually creating another
> word, then indiviudally creating a translation)
>
> I've tried using TranslationForm(models.ModelForm), however when I
> submit it gives me an error that there are NULL values for my models
> :C. Help I am really lost and no one has been of help, I'm getting
> really frustrated with this aspect of django.
>
> If someone could take time to actually understand my problem and help
> out that would be great please :C
>
> --
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Hanh Kieu
Sep 13, 2016, 2:06:42 AM9/13/16
to Django users
"So your Translation needs a FK to each of two different words. "
What would this look like?
> <mailto:django-users+unsub...@googlegroups.com>.
Mike Dewhirst
Sep 13, 2016, 3:53:51 AM9/13/16
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On 13/09/2016 4:06 PM, Hanh Kieu wrote:
> "So your Translation needs a FK to each of two different words. "
related_name="Translation_word2")
def __str__(self):
return "{0} - {1}".format(word1.language, word2.language)
>
> On Monday, September 12, 2016 at 10:42:10 PM UTC-7, Mike Dewhirst wrote:
>
> On 13/09/2016 3:02 PM, Hanh Kieu wrote:
> > Hey guys, I'm creating a translation app that allows you to
> translate
> > from one object to the other. My translation model has two foreign
> > keys that links to two words, and on the admin site I want the
> Admin
> > to be able to input two different words. The words they enter
> should
> > be saved as individual words, as well as a translation. However, it
> > looks like this isn't possible at all in Django. I've been
> trying so
> > hard to read documentation but I am struggling. My Models look
> like this:
> >
> > class Language(models.Model):
> > Â Â Â language_text = models.CharField(max_length=200)
> >
> > Â Â Â def __str__(self):
> > Â Â Â Â Â return self.language_text
> >
> >
> > class Word(models.Model):
> > Â Â Â language =
> models.ForeignKey(Language,on_delete=models.CASCADE)
> > Â Â Â word_text = models.CharField(max_length=200)
> >
> > Â Â Â def __str__(self):
> > Â Â Â Â Â return self.word_text
> >
> >
> > class Translation(models.Model):
> > Â Â Â #word1 belongs to one word word1 =
> models.OneToOneField(Word,on_delete=models.CASCADE,related_name="Translation_word1")
>
> > Â Â Â #word2 belongs to another word word2 =
> > an email to django-users...@googlegroups.com <javascript:>
> > <mailto:django-users...@googlegroups.com <javascript:>>.
> > <mailto:django...@googlegroups.com <javascript:>>.
> <https://groups.google.com/d/msgid/django-users/53110a43-f7e7-449c-9e74-2606a2d71854%40googlegroups.com?utm_medium=email&utm_source=footer>.
> "So your Translation needs a FK to each of two different words. "
> What would this look like?
class Translation(models.Model):
#word1 belongs to one word
word1 = models.ForeignKey(Word, on_delete=models.CASCADE,
#word1 belongs to one word
related_name="Translation_word1")
#word2 belongs to another word
word2 = models.ForeignKey(Word, on_delete=models.CASCADE,
#word2 belongs to another word
related_name="Translation_word2")
def __str__(self):
return "{0} - {1}".format(word1.language, word2.language)
>
> On Monday, September 12, 2016 at 10:42:10 PM UTC-7, Mike Dewhirst wrote:
>
> On 13/09/2016 3:02 PM, Hanh Kieu wrote:
> > Hey guys, I'm creating a translation app that allows you to
> translate
> > from one object to the other. My translation model has two foreign
> > keys that links to two words, and on the admin site I want the
> Admin
> > to be able to input two different words. The words they enter
> should
> > be saved as individual words, as well as a translation. However, it
> > looks like this isn't possible at all in Django. I've been
> trying so
> > hard to read documentation but I am struggling. My Models look
> like this:
> >
> > class Language(models.Model):
> >
> > Â Â Â def __str__(self):
> > Â Â Â Â Â return self.language_text
> >
> >
> > class Word(models.Model):
> > Â Â Â language =
> models.ForeignKey(Language,on_delete=models.CASCADE)
> > Â Â Â word_text = models.CharField(max_length=200)
> >
> > Â Â Â def __str__(self):
> > Â Â Â Â Â return self.word_text
> >
> >
> > class Translation(models.Model):
> > Â Â Â #word1 belongs to one word word1 =
> models.OneToOneField(Word,on_delete=models.CASCADE,related_name="Translation_word1")
>
> > Â Â Â #word2 belongs to another word word2 =
> > <mailto:django-users...@googlegroups.com <javascript:>>.
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>
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>
> > For more options, visit https://groups.google.com/d/optout
> <https://groups.google.com/d/optout>.
>
> > For more options, visit https://groups.google.com/d/optout
>
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Hanh Kieu
Sep 21, 2016, 1:43:17 AM9/21/16
to Django users
Thank You Mike, I understand what you mean and I've made the changes, but it doesn't help me with my original problem, unfortunately.
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>
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Hanh Kieu
Sep 21, 2016, 1:44:01 AM9/21/16
to Django users
I tried using this, but it doesn't necessarily work or let me enter in two words that get turned into a translation. Could you elaborate on how inline would help?
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--"La utopía sirve para caminar" Fernando Birri
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