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Copy pathforms.py
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85 lines (62 loc) · 2.97 KB
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# ------------------------------------------------------------------------
# ------------------------------------------------------------------------
import os
from django import forms
from django.utils.translation import gettext_lazy as _
from feincms import settings
from . import logger
from .fields import AdminFileWithPreviewWidget
from .models import Category, MediaFile
# ------------------------------------------------------------------------
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().__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().__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"]
# ------------------------------------------------------------------------