author | Pawel Solyga <Pawel.Solyga@gmail.com> |
Mon, 18 May 2009 19:37:38 +0200 | |
changeset 2327 | 6c7d0fba105c |
parent 109 | 620f9b141567 |
permissions | -rwxr-xr-x |
109
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""" |
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27. Default manipulators |
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Each model gets an AddManipulator and ChangeManipulator by default. |
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""" |
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from django.db import models |
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class Musician(models.Model): |
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first_name = models.CharField(maxlength=30) |
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last_name = models.CharField(maxlength=30) |
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def __str__(self): |
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return "%s %s" % (self.first_name, self.last_name) |
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class Album(models.Model): |
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name = models.CharField(maxlength=100) |
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musician = models.ForeignKey(Musician) |
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release_date = models.DateField(blank=True, null=True) |
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def __str__(self): |
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return self.name |
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__test__ = {'API_TESTS':""" |
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>>> from django.utils.datastructures import MultiValueDict |
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# Create a Musician object via the default AddManipulator. |
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>>> man = Musician.AddManipulator() |
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>>> data = MultiValueDict({'first_name': ['Ella'], 'last_name': ['Fitzgerald']}) |
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>>> man.get_validation_errors(data) |
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{} |
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>>> man.do_html2python(data) |
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>>> m1 = man.save(data) |
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|
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# Verify it worked. |
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>>> Musician.objects.all() |
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[<Musician: Ella Fitzgerald>] |
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>>> [m1] == list(Musician.objects.all()) |
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True |
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# Attempt to add a Musician without a first_name. |
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>>> man.get_validation_errors(MultiValueDict({'last_name': ['Blakey']})) |
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{'first_name': ['This field is required.']} |
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# Attempt to add a Musician without a first_name and last_name. |
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>>> man.get_validation_errors(MultiValueDict({})) |
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{'first_name': ['This field is required.'], 'last_name': ['This field is required.']} |
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# Attempt to create an Album without a name or musician. |
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>>> man = Album.AddManipulator() |
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>>> man.get_validation_errors(MultiValueDict({})) |
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{'musician': ['This field is required.'], 'name': ['This field is required.']} |
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# Attempt to create an Album with an invalid musician. |
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>>> man.get_validation_errors(MultiValueDict({'name': ['Sallies Fforth'], 'musician': ['foo']})) |
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{'musician': ["Select a valid choice; 'foo' is not in ['', '1']."]} |
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|
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# Attempt to create an Album with an invalid release_date. |
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>>> man.get_validation_errors(MultiValueDict({'name': ['Sallies Fforth'], 'musician': ['1'], 'release_date': 'today'})) |
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{'release_date': ['Enter a valid date in YYYY-MM-DD format.']} |
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|
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# Create an Album without a release_date (because it's optional). |
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>>> data = MultiValueDict({'name': ['Ella and Basie'], 'musician': ['1']}) |
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>>> man.get_validation_errors(data) |
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{} |
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>>> man.do_html2python(data) |
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>>> a1 = man.save(data) |
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|
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# Verify it worked. |
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>>> Album.objects.all() |
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[<Album: Ella and Basie>] |
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>>> Album.objects.get().musician |
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<Musician: Ella Fitzgerald> |
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|
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# Create an Album with a release_date. |
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>>> data = MultiValueDict({'name': ['Ultimate Ella'], 'musician': ['1'], 'release_date': ['2005-02-13']}) |
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>>> man.get_validation_errors(data) |
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{} |
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>>> man.do_html2python(data) |
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>>> a2 = man.save(data) |
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|
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# Verify it worked. |
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>>> Album.objects.order_by('name') |
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[<Album: Ella and Basie>, <Album: Ultimate Ella>] |
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>>> a2 = Album.objects.get(pk=2) |
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>>> a2 |
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<Album: Ultimate Ella> |
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>>> a2.release_date |
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datetime.date(2005, 2, 13) |
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"""} |