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Copy pathforms.py
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82 lines (60 loc) · 3 KB
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# ------------------------------------------------------------------------
# coding=utf-8
# ------------------------------------------------------------------------
from __future__ import absolute_import, unicode_literals
import os
from django import forms
from django.utils.translation import ugettext_lazy as _
from feincms import settings
from . import logger
from .models import Category, MediaFile
from .fields import AdminFileWithPreviewWidget
# ------------------------------------------------------------------------
class MediaCategoryAdminForm(forms.ModelForm):
class Meta:
model = Category
fields = '__all__'
def clean_parent(self):
data = self.cleaned_data['parent']
if data is not None and self.instance in data.path_list():
raise forms.ValidationError(
_("This would create a loop in the hierarchy"))
return data
def __init__(self, *args, **kwargs):
super(MediaCategoryAdminForm, self).__init__(*args, **kwargs)
self.fields['parent'].queryset =\
self.fields['parent'].queryset.exclude(pk=self.instance.pk)
# ------------------------------------------------------------------------
class MediaFileAdminForm(forms.ModelForm):
class Meta:
model = MediaFile
widgets = {'file': AdminFileWithPreviewWidget}
fields = '__all__'
def __init__(self, *args, **kwargs):
super(MediaFileAdminForm, self).__init__(*args, **kwargs)
if settings.FEINCMS_MEDIAFILE_OVERWRITE and self.instance.id:
field = self.instance.file.field
if not hasattr(field, '_feincms_generate_filename_patched'):
original_generate = field.generate_filename
def _gen_fname(instance, filename):
if instance.id and hasattr(instance, 'original_name'):
logger.info("Overwriting file %s with new data" % (
instance.original_name))
instance.file.storage.delete(instance.original_name)
return instance.original_name
return original_generate(instance, filename)
field.generate_filename = _gen_fname
field._feincms_generate_filename_patched = True
def clean_file(self):
if settings.FEINCMS_MEDIAFILE_OVERWRITE and self.instance.id:
new_base, new_ext = os.path.splitext(
self.cleaned_data['file'].name)
old_base, old_ext = os.path.splitext(self.instance.file.name)
if new_ext.lower() != old_ext.lower():
raise forms.ValidationError(_(
"Cannot overwrite with different file type (attempt to"
" overwrite a %(old_ext)s with a %(new_ext)s)"
) % {'old_ext': old_ext, 'new_ext': new_ext})
self.instance.original_name = self.instance.file.name
return self.cleaned_data['file']
# ------------------------------------------------------------------------