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42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
from datetime import datetime, date
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from django.core.exceptions import ValidationError
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def validate_text(value):
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if not (type(value) == unicode or type(value) == str):
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raise ValidationError(_(u"Must be str or unicode"))
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def validate_float(value):
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try:
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float(value)
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except ValueError:
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raise ValidationError(_(u"Must be a float"))
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def validate_int(value):
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try:
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int(value)
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except ValueError:
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raise ValidationError(_(u"Must be an integer"))
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def validate_date(value):
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if not (isinstance(value, datetime) or isinstance(value, date)):
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raise ValidationError(_(u"Must be a date or datetime"))
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def validate_bool(value):
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if not type(value) == bool:
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raise ValidationError(_(u"Must be a boolean"))
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def validate_object(value):
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if not isinstance(value, models.Model):
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raise ValidationError(_(u"Must be a django model object instance"))
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if not value.pk:
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raise ValidationError(_(u"Model has not been saved yet"))
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def validate_enum(value):
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from .models import EnumValue
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if not isinstance(value, EnumValue):
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raise ValidationError(_(u"Must be an EnumValue model object instance"))
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if not value.pk:
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raise ValidationError(_(u"EnumValue has not been saved yet"))
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