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import re
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from django import forms
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from django.forms.util import ErrorList
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from neboard import settings
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TITLE_MAX_LENGTH = 50
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class PlainErrorList(ErrorList):
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def __unicode__(self):
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return self.as_text()
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def as_text(self):
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return ''.join([u'(!) %s ' % e for e in self])
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class PostForm(forms.Form):
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MAX_TEXT_LENGTH = 10000
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MAX_IMAGE_SIZE = 8 * 1024 * 1024
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title = forms.CharField(max_length=TITLE_MAX_LENGTH, required=False)
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text = forms.CharField(widget=forms.Textarea, required=False)
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image = forms.ImageField(required=False)
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def clean_title(self):
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title = self.cleaned_data['title']
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if title:
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if len(title) > TITLE_MAX_LENGTH:
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raise forms.ValidationError('Title must have less than' +
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str(TITLE_MAX_LENGTH) +
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' characters.')
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return title
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def clean_text(self):
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text = self.cleaned_data['text']
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if text:
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if len(text) > self.MAX_TEXT_LENGTH:
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raise forms.ValidationError('Text must have less than ' +
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str(self.MAX_TEXT_LENGTH) +
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' characters.')
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return text
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def clean_image(self):
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image = self.cleaned_data['image']
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if image:
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if image._size > self.MAX_IMAGE_SIZE:
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raise forms.ValidationError('Image must be less than ' +
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str(self.MAX_IMAGE_SIZE) +
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' bytes.')
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return image
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def clean(self):
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cleaned_data = super(PostForm, self).clean()
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self._clean_text_image()
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return cleaned_data
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def _clean_text_image(self):
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text = self.cleaned_data.get('text')
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image = self.cleaned_data.get('image')
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if (not text) and (not image):
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error_message = 'Either text or image must be entered.'
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self._errors['text'] = self.error_class([error_message])
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self._errors['image'] = self.error_class([error_message])
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class ThreadForm(PostForm):
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regex_tags = re.compile(ur'^[\w\s\d]+$', re.UNICODE)
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tags = forms.CharField(max_length=100)
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def clean_tags(self):
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tags = self.cleaned_data['tags']
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if tags:
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if not self.regex_tags.match(tags):
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raise forms.ValidationError(
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'Inappropriate characters in tags.')
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return tags
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def clean(self):
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cleaned_data = super(ThreadForm, self).clean()
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return cleaned_data
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class SettingsForm(forms.Form):
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theme = forms.ChoiceField(choices=settings.THEMES, widget=forms.RadioSelect)
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