def icon_src(self, instance):
media_backend = get_media_backend(
fail_silently=False,
handles_media_types=(media_types.SUPPORTED_IMAGE, ))
thumb = media_backend.get_thumbnail(instance.node.file,
{'size': (200, 200)})
return thumb.url
def admin_preview(self, node, icons_only=False):
request = get_current_request()
template = 'admin/media_tree/filenode/includes/preview.html'
thumbnail_backend = get_media_backend(handles_media_types=(node.media_type,), supports_thumbnails=True)
if not thumbnail_backend:
icons_only = True
template = 'media_tree/filenode/includes/icon.html'
# TODO SPLIT preview.html in two: one that doesn't need media backend!
context = {
'node': node,
'preview_file': node.get_icon_file() if icons_only else node.get_preview_file(),
'class': 'collapsed' if node.is_folder() else '',
}
if not icons_only:
thumb_size_key = get_request_attr(request, 'thumbnail_size') or 'default'
context['thumbnail_size'] = app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES[thumb_size_key]
thumb = thumbnail_backend.get_thumbnail(context['preview_file'], {'size': context['thumbnail_size']})
context['thumb'] = thumb
preview = render_to_string(template, context)
if node.is_folder():
preview += render_to_string(template, {
'node': node,
'preview_file': node.get_preview_file(default_name='_folder_expanded'),
'class': 'expanded'
})
return preview
def render(self, name, value, attrs=None):
output = super(ThumbnailMixin, self).render(name, value, attrs)
media_backend = get_media_backend(
fail_silently=True, handles_media_types=(
media_types.SUPPORTED_IMAGE,))
value = self.get_thumbnail_source(value)
if media_backend and value:
try:
thumb_extension = \
os.path.splitext(value.name)[1].lstrip('.').lower()
if not thumb_extension in THUMBNAIL_EXTENSIONS:
thumb_extension = None
thumb = media_backend.get_thumbnail(
value, {'size': THUMBNAIL_SIZE})
if thumb:
thumb_html = \
u'<img src="%s" alt="%s" width="%i" height="%i" />' % (
thumb.url, os.path.basename(value.name),
thumb.width, thumb.height)
output = u'<div><div class="thumbnail">%s</div>' \
'<p>%s</p></div>' % (thumb_html, output)
except ThumbnailError as inst:
pass
return mark_safe(output)
def admin_preview(self, node, icons_only=False):
request = get_current_request()
template = 'admin/media_tree/filenode/includes/preview.html'
if not get_media_backend():
icons_only = True
template = 'media_tree/filenode/includes/icon.html'
# TODO SPLIT preview.html in two: one that doesn't need media backend!
thumb_size_key = get_request_attr(request,
'thumbnail_size') or 'default'
preview = render_to_string(
template, {
'node':
node,
'preview_file':
node.get_icon_file()
if icons_only else node.get_preview_file(),
'class':
'collapsed' if node.is_folder() else '',
'thumbnail_size':
app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES[thumb_size_key]
})
if node.is_folder():
preview += render_to_string(
template, {
'node':
node,
'preview_file':
node.get_preview_file(default_name='_folder_expanded'),
'class':
'expanded'
})
return preview
def clear_cache(modeladmin, request, queryset=None):
"""
"""
from unicodedata import normalize
execute = request.POST.get('execute')
files_in_storage = []
storage = get_media_storage()
cache_files_choices = []
for cache_dir in get_media_backend().get_cache_paths():
if storage.exists(cache_dir):
files_in_dir = [storage.path(os.path.join(cache_dir, filename)) \
for filename in storage.listdir(cache_dir)[1]]
for file_path in files_in_dir:
# need to normalize unicode path due to https://code.djangoproject.com/ticket/16315
file_path = normalize('NFC', file_path)
storage_name = os.path.join(cache_dir, os.path.basename(file_path))
link = mark_safe('<a href="%s">%s</a>' % (
storage.url(storage_name), storage_name))
cache_files_choices.append((storage_name, link))
if not len(cache_files_choices):
#request.user.message_set.create(message=_('There are no cache files.'))
return HttpResponseRedirect('')
if execute:
form = DeleteCacheFilesForm(queryset, cache_files_choices, request.POST)
if form.is_valid():
form.save()
node = FileNode.get_top_node()
message = ungettext('Deleted %i cache file.', 'Deleted %i cache files.', len(form.success_files)) % len(form.success_files)
if len(form.success_files) == len(cache_files_choices):
message = '%s %s' % (_('The cache was cleared.'), message)
#request.user.message_set.create(message=message)
if form.error_files:
pass
#request.user.message_set.create(message=_('The following files could not be deleted:')+' '+repr(form.error_files))
return HttpResponseRedirect(node.get_admin_url())
if not execute:
if len(cache_files_choices) > 0:
form = DeleteCacheFilesForm(queryset, cache_files_choices)
else:
form = None
c = get_actions_context(modeladmin)
c.update({
'title': _('Clear cache'),
'submit_label': _('Delete selected files'),
'form': form,
'select_all': 'selected_files',
})
return render_to_response('admin/media_tree/filenode/actions_form.html', c, context_instance=RequestContext(request))
return HttpResponseRedirect('')
def render(self, name, value, attrs=None):
output = super(AdminThumbWidget, self).render(name, value, attrs)
media_backend = get_media_backend(fail_silently=True, handles_media_types=(
media_types.SUPPORTED_IMAGE,))
if media_backend and value and hasattr(value, "url"):
try:
thumb_extension = os.path.splitext(value.name)[1].lstrip('.').lower()
if not thumb_extension in THUMBNAIL_EXTENSIONS:
thumb_extension = None
thumb = media_backend.get_thumbnail(value, {'size': THUMBNAIL_SIZE})
if thumb:
thumb_html = u'<img src="%s" alt="%s" width="%i" height="%i" />' % (thumb.url, os.path.basename(value.name), thumb.width, thumb.height)
output = u'<div><p><span class="thumbnail">%s</span></p><p>%s</p></div>' % (thumb_html, output)
except ThumbnailError as inst:
pass
return mark_safe(output)
def get_cache_files():
storage = get_media_storage()
cache_files = []
for cache_dir in get_media_backend().get_cache_paths():
if storage.exists(cache_dir):
files_in_dir = [storage.path(os.path.join(cache_dir, filename)) \
for filename in storage.listdir(cache_dir)[1]]
for file_path in files_in_dir:
# need to normalize unicode path due to https://code.djangoproject.com/ticket/16315
file_path = normalize('NFC', file_path)
storage_name = os.path.join(cache_dir,
os.path.basename(file_path))
cache_files.append(storage_name)
return cache_files
def init_changelist_view_options(self, request):
if 'thumbnail_size' in request.GET:
request.GET = request.GET.copy()
thumb_size_key = request.GET.get('thumbnail_size')
del request.GET['thumbnail_size']
if not thumb_size_key in app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES:
thumb_size_key = None
request.session['thumbnail_size'] = thumb_size_key
thumb_size_key = request.session.get('thumbnail_size', 'default')
set_request_attr(request, 'thumbnail_size', thumb_size_key)
backend = get_media_backend()
if backend and backend.supports_thumbnails():
return {
'thumbnail_sizes': app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES,
'thumbnail_size_key': thumb_size_key
}
else:
return {}
def admin_preview(self, node, icons_only=False):
template = 'admin/media_tree/filenode/includes/preview.html'
if not get_media_backend():
icons_only = True
template = 'media_tree/filenode/includes/icon.html'
# TODO SPLIT preview.html in two: one that doesn't need media backend!
preview = render_to_string(template, {
'node': node,
'preview_file': node.get_icon_file() if icons_only else node.get_preview_file(),
'class': 'collapsed' if node.is_folder() else ''
})
if node.is_folder():
preview += render_to_string(template, {
'node': node,
'preview_file': node.get_preview_file(default_name='_folder_expanded'),
'class': 'expanded'
})
return preview
def init_changelist_view_options(self, request):
if 'thumbnail_size' in request.GET:
request.GET = request.GET.copy()
thumb_size_key = request.GET.get('thumbnail_size')
del request.GET['thumbnail_size']
if not thumb_size_key in app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES:
thumb_size_key = None
request.session['thumbnail_size'] = thumb_size_key
thumb_size_key = request.session.get('thumbnail_size', 'default')
set_request_attr(request, 'thumbnail_size', thumb_size_key)
backend = get_media_backend()
if backend and backend.supports_thumbnails():
return {
'thumbnail_sizes':
app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES,
'thumbnail_size_key': thumb_size_key
}
else:
return {}
def admin_preview(self, node, icons_only=False):
request = get_current_request()
template = 'admin/media_tree/filenode/includes/preview.html'
thumbnail_backend = get_media_backend(
handles_media_types=(node.media_type, ), supports_thumbnails=True)
if not thumbnail_backend:
icons_only = True
template = 'media_tree/filenode/includes/icon.html'
# TODO SPLIT preview.html in two: one that doesn't need media backend!
context = {
'node':
node,
'preview_file':
node.get_icon_file() if icons_only else node.get_preview_file(),
'class':
'collapsed' if node.is_folder() else '',
}
if not icons_only:
thumb_size_key = get_request_attr(request,
'thumbnail_size') or 'default'
context[
'thumbnail_size'] = app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES[
thumb_size_key]
thumb = thumbnail_backend.get_thumbnail(
context['preview_file'], {'size': context['thumbnail_size']})
context['thumb'] = thumb
preview = render_to_string(template, context)
if node.is_folder():
preview += render_to_string(
template, {
'node':
node,
'preview_file':
node.get_preview_file(default_name='_folder_expanded'),
'class':
'expanded'
})
return preview
def admin_preview(self, node, icons_only=False):
request = get_current_request()
template = 'admin/media_tree/filenode/includes/preview.html'
if not get_media_backend():
icons_only = True
template = 'media_tree/filenode/includes/icon.html'
# TODO SPLIT preview.html in two: one that doesn't need media backend!
thumb_size_key = get_request_attr(request, 'thumbnail_size') or 'default'
preview = render_to_string(template, {
'node': node,
'preview_file': node.get_icon_file() if icons_only else node.get_preview_file(),
'class': 'collapsed' if node.is_folder() else '',
'thumbnail_size': app_settings.MEDIA_TREE_ADMIN_THUMBNAIL_SIZES[thumb_size_key]
})
if node.is_folder():
preview += render_to_string(template, {
'node': node,
'preview_file': node.get_preview_file(default_name='_folder_expanded'),
'class': 'expanded'
})
return preview
from media_tree import settings as app_settings
from media_tree.models import FileNode
from media_tree.media_backends import get_media_backend
from media_tree import media_types
from django.conf import settings
from django import template
from django.template import Library, Node, VariableDoesNotExist, \
TemplateSyntaxError
from django.utils.html import escape
import re
THUMBNAIL_SIZES = app_settings.MEDIA_TREE_THUMBNAIL_SIZES
RE_SIZE = re.compile(r'(\d+)x(\d+)$')
MEDIA_BACKEND = get_media_backend(fail_silently=False, handles_media_types=(
media_types.SUPPORTED_IMAGE,))
VALID_OPTIONS = MEDIA_BACKEND.get_valid_thumbnail_options() if MEDIA_BACKEND else {}
register = template.Library()
class ThumbnailSizeNode(template.Node):
def __init__(self, size_name=None, context_name=None):
if size_name:
self.size_name = template.Variable(size_name)
else:
self.size_name = None
self.context_name = context_name
def render(self, context):
if self.size_name:
size_name = self.size_name.resolve(context)
"""
from media_tree import settings as app_settings
from media_tree.models import FileNode
from media_tree.media_backends import get_media_backend
from media_tree import media_types
from django.conf import settings
from django import template
from django.template import Library, Node, VariableDoesNotExist, \
TemplateSyntaxError
from django.utils.html import escape
import re
THUMBNAIL_SIZES = app_settings.MEDIA_TREE_THUMBNAIL_SIZES
RE_SIZE = re.compile(r'(\d+)x(\d+)$')
MEDIA_BACKEND = get_media_backend(
fail_silently=False, handles_media_types=(media_types.SUPPORTED_IMAGE, ))
VALID_OPTIONS = MEDIA_BACKEND.get_valid_thumbnail_options(
) if MEDIA_BACKEND else {}
register = template.Library()
class ThumbnailSizeNode(template.Node):
def __init__(self, size_name=None, context_name=None):
if size_name:
self.size_name = template.Variable(size_name)
else:
self.size_name = None
self.context_name = context_name
def render(self, context):
if self.size_name:
def clear_cache(modeladmin, request, queryset=None):
"""
"""
from unicodedata import normalize
execute = request.POST.get("execute")
files_in_storage = []
storage = get_media_storage()
cache_files_choices = []
for cache_dir in get_media_backend().get_cache_paths():
if storage.exists(cache_dir):
files_in_dir = [
storage.path(os.path.join(cache_dir, filename)) for filename in storage.listdir(cache_dir)[1]
]
for file_path in files_in_dir:
# need to normalize unicode path due to https://code.djangoproject.com/ticket/16315
file_path = normalize("NFC", file_path)
storage_name = os.path.join(cache_dir, os.path.basename(file_path))
link = mark_safe('<a href="%s">%s</a>' % (storage.url(storage_name), storage_name))
cache_files_choices.append((storage_name, link))
if not len(cache_files_choices):
messages.warning(request, message=_("There are no cache files."))
return HttpResponseRedirect("")
if execute:
form = DeleteCacheFilesForm(queryset, cache_files_choices, request.POST)
if form.is_valid():
form.save()
node = FileNode.get_top_node()
message = ungettext("Deleted %i cache file.", "Deleted %i cache files.", len(form.success_files)) % len(
form.success_files
)
if len(form.success_files) == len(cache_files_choices):
message = "%s %s" % (_("The cache was cleared."), message)
messages.success(request, message=message)
if form.error_files:
messages.error(
request, message=_("The following files could not be deleted:") + " " + repr(form.error_files)
)
return HttpResponseRedirect(node.get_admin_url())
if not execute:
if len(cache_files_choices) > 0:
form = DeleteCacheFilesForm(queryset, cache_files_choices)
else:
form = None
c = get_actions_context(modeladmin)
c.update(
{
"title": _("Clear cache"),
"submit_label": _("Delete selected files"),
"form": form,
"select_all": "selected_files",
}
)
return render_to_response(
"admin/media_tree/filenode/actions_form.html", c, context_instance=RequestContext(request)
)
return HttpResponseRedirect("")
def get_media_backend(self, media_type):
return get_media_backend(fail_silently=True,
handles_media_types=(media_type, ))
def get_media_backend(self, media_type):
return get_media_backend(fail_silently=True, handles_media_types=(
media_type,))
def icon_src(self, instance):
media_backend = get_media_backend(fail_silently=False, handles_media_types=(
media_types.SUPPORTED_IMAGE,))
thumb = media_backend.get_thumbnail(instance.node.file, {'size': (200, 200)})
return thumb.url
from media_tree import settings as app_settings
from media_tree.models import FileNode
from media_tree.media_backends import get_media_backend
from media_tree import media_types
from django.conf import settings
from django import template
from django.template import Library, Node, VariableDoesNotExist, TemplateSyntaxError
from django.utils.html import escape
import re
THUMBNAIL_SIZES = app_settings.MEDIA_TREE_THUMBNAIL_SIZES
RE_SIZE = re.compile(r"(\d+)x(\d+)$")
# MEDIA_BACKEND = get_media_backend(fail_silently=False, handles_media_types=(
# media_types.SUPPORTED_IMAGE,))
MEDIA_BACKEND = get_media_backend(fail_silently=False, supports_thumbnails=True)
VALID_OPTIONS = MEDIA_BACKEND.get_valid_thumbnail_options() if MEDIA_BACKEND else {}
register = template.Library()
class ThumbnailSizeNode(template.Node):
def __init__(self, size_name=None, context_name=None):
if size_name:
self.size_name = template.Variable(size_name)
else:
self.size_name = None
self.context_name = context_name
def render(self, context):
if self.size_name:
size_name = self.size_name.resolve(context)
