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Fixed #12404 -- Improved model validation for CharField and DecimalField. Thanks to tiliv for the report, josh for the patch, and Leo for the tests. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12768 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-03-12 15:22:05 +00:00
parent 203d0f6048
commit 75c8c1de9a
2 changed files with 32 additions and 9 deletions
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25
django/core/management/validation.py
View File

@ -37,13 +37,26 @@ def get_validation_errors(outfile, app=None):
e.add(opts, '"%s": You can\'t use "id" as a field name, because each model automatically gets an "id" field if none of the fields have primary_key=True. You need to either remove/rename your "id" field or add primary_key=True to a field.' % f.name) e.add(opts, '"%s": You can\'t use "id" as a field name, because each model automatically gets an "id" field if none of the fields have primary_key=True. You need to either remove/rename your "id" field or add primary_key=True to a field.' % f.name)
if f.name.endswith('_'): if f.name.endswith('_'):
e.add(opts, '"%s": Field names cannot end with underscores, because this would lead to ambiguous queryset filters.' % f.name) e.add(opts, '"%s": Field names cannot end with underscores, because this would lead to ambiguous queryset filters.' % f.name)
if isinstance(f, models.CharField) and f.max_length in (None, 0): if isinstance(f, models.CharField):
e.add(opts, '"%s": CharFields require a "max_length" attribute.' % f.name) try:
max_length = int(f.max_length)
if max_length <= 0:
e.add(opts, '"%s": CharFields require a "max_length" attribute that is a positive integer.' % f.name)
except (ValueError, TypeError):
e.add(opts, '"%s": CharFields require a "max_length" attribute that is a positive integer.' % f.name)
if isinstance(f, models.DecimalField): if isinstance(f, models.DecimalField):
if f.decimal_places is None: try:
e.add(opts, '"%s": DecimalFields require a "decimal_places" attribute.' % f.name) decimal_places = int(f.decimal_places)
if f.max_digits is None: if decimal_places <= 0:
e.add(opts, '"%s": DecimalFields require a "max_digits" attribute.' % f.name) e.add(opts, '"%s": DecimalFields require a "decimal_places" attribute that is a positive integer.' % f.name)
except (ValueError, TypeError):
e.add(opts, '"%s": DecimalFields require a "decimal_places" attribute that is a positive integer.' % f.name)
try:
max_digits = int(f.max_digits)
if max_digits <= 0:
e.add(opts, '"%s": DecimalFields require a "max_digits" attribute that is a positive integer.' % f.name)
except (ValueError, TypeError):
e.add(opts, '"%s": DecimalFields require a "max_digits" attribute that is a positive integer.' % f.name)
if isinstance(f, models.FileField) and not f.upload_to: if isinstance(f, models.FileField) and not f.upload_to:
e.add(opts, '"%s": FileFields require an "upload_to" attribute.' % f.name) e.add(opts, '"%s": FileFields require an "upload_to" attribute.' % f.name)
if isinstance(f, models.ImageField): if isinstance(f, models.ImageField):

16
tests/modeltests/invalid_models/models.py
View File

@ -8,7 +8,11 @@ from django.db import models
class FieldErrors(models.Model): class FieldErrors(models.Model):
charfield = models.CharField() charfield = models.CharField()
charfield2 = models.CharField(max_length=-1)
charfield3 = models.CharField(max_length="bad")
decimalfield = models.DecimalField() decimalfield = models.DecimalField()
decimalfield2 = models.DecimalField(max_digits=-1, decimal_places=-1)
decimalfield3 = models.DecimalField(max_digits="bad", decimal_places="bad")
filefield = models.FileField() filefield = models.FileField()
choices = models.CharField(max_length=10, choices='bad') choices = models.CharField(max_length=10, choices='bad')
choices2 = models.CharField(max_length=10, choices=[(1,2,3),(1,2,3)]) choices2 = models.CharField(max_length=10, choices=[(1,2,3),(1,2,3)])
@ -203,9 +207,15 @@ class UniqueFKTarget2(models.Model):
tgt = models.ForeignKey(FKTarget, to_field='good') tgt = models.ForeignKey(FKTarget, to_field='good')
model_errors = """invalid_models.fielderrors: "charfield": CharFields require a "max_length" attribute. model_errors = """invalid_models.fielderrors: "charfield": CharFields require a "max_length" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield": DecimalFields require a "decimal_places" attribute. invalid_models.fielderrors: "charfield2": CharFields require a "max_length" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield": DecimalFields require a "max_digits" attribute. invalid_models.fielderrors: "charfield3": CharFields require a "max_length" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield": DecimalFields require a "decimal_places" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield": DecimalFields require a "max_digits" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield2": DecimalFields require a "decimal_places" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield2": DecimalFields require a "max_digits" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield3": DecimalFields require a "decimal_places" attribute that is a positive integer.
invalid_models.fielderrors: "decimalfield3": DecimalFields require a "max_digits" attribute that is a positive integer.
invalid_models.fielderrors: "filefield": FileFields require an "upload_to" attribute. invalid_models.fielderrors: "filefield": FileFields require an "upload_to" attribute.
invalid_models.fielderrors: "choices": "choices" should be iterable (e.g., a tuple or list). invalid_models.fielderrors: "choices": "choices" should be iterable (e.g., a tuple or list).
invalid_models.fielderrors: "choices2": "choices" should be a sequence of two-tuples. invalid_models.fielderrors: "choices2": "choices" should be a sequence of two-tuples.