338 lines
13 KiB
Python
338 lines
13 KiB
Python
# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Views for managing Swift containers.
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"""
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import os
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from django.core.urlresolvers import reverse
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from django import http
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from django.utils.functional import cached_property # noqa
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from django.utils.translation import ugettext_lazy as _
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from django.views import generic
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import six
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from horizon import browsers
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from horizon import exceptions
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from horizon import forms
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from horizon.utils import memoized
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from openstack_dashboard import api
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from openstack_dashboard.api import swift
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from openstack_dashboard.dashboards.project.containers \
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import browsers as project_browsers
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from openstack_dashboard.dashboards.project.containers \
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import forms as project_forms
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from openstack_dashboard.dashboards.project.containers import utils
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class ContainerView(browsers.ResourceBrowserView):
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browser_class = project_browsers.ContainerBrowser
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template_name = "project/containers/index.html"
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def get_containers_data(self):
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containers = []
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self._more = None
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marker = self.request.GET.get('marker', None)
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try:
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containers, self._more = api.swift.swift_get_containers(
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self.request, marker=marker)
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except Exception:
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msg = _('Unable to retrieve container list.')
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exceptions.handle(self.request, msg)
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return containers
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@cached_property
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def objects(self):
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"""Returns a list of objects given the subfolder's path.
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The path is from the kwargs of the request.
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"""
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objects = []
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self._more = None
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marker = self.request.GET.get('marker', None)
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container_name = self.kwargs['container_name']
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subfolder = self.kwargs['subfolder_path']
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prefix = None
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if container_name:
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self.navigation_selection = True
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if subfolder:
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prefix = subfolder
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try:
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objects, self._more = api.swift.swift_get_objects(
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self.request,
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container_name,
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marker=marker,
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prefix=prefix)
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except Exception:
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self._more = None
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objects = []
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msg = _('Unable to retrieve object list.')
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exceptions.handle(self.request, msg)
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return objects
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def is_subdir(self, item):
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content_type = "application/pseudo-folder"
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return getattr(item, "content_type", None) == content_type
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def is_placeholder(self, item):
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object_name = getattr(item, "name", "")
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return object_name.endswith(api.swift.FOLDER_DELIMITER)
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def get_objects_data(self):
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"""Returns a list of objects within the current folder."""
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filtered_objects = [item for item in self.objects
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if (not self.is_subdir(item) and
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not self.is_placeholder(item))]
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return filtered_objects
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def get_subfolders_data(self):
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"""Returns a list of subfolders within the current folder."""
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filtered_objects = [item for item in self.objects
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if self.is_subdir(item)]
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return filtered_objects
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def get_context_data(self, **kwargs):
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context = super(ContainerView, self).get_context_data(**kwargs)
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context['container_name'] = self.kwargs["container_name"]
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context['subfolders'] = []
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if self.kwargs["subfolder_path"]:
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(parent, slash, folder) = self.kwargs["subfolder_path"] \
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.strip('/').rpartition('/')
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while folder:
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path = "%s%s%s/" % (parent, slash, folder)
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context['subfolders'].insert(0, (folder, path))
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(parent, slash, folder) = parent.rpartition('/')
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return context
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class CreateView(forms.ModalFormView):
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form_class = project_forms.CreateContainer
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template_name = 'project/containers/create.html'
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success_url = "horizon:project:containers:index"
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page_title = _("Create Container")
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def get_success_url(self):
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parent = self.request.POST.get('parent', None)
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if parent:
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container, slash, remainder = parent.partition(
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swift.FOLDER_DELIMITER)
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args = (utils.wrap_delimiter(container),
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utils.wrap_delimiter(remainder))
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return reverse(self.success_url, args=args)
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else:
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container = utils.wrap_delimiter(self.request.POST['name'])
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return reverse(self.success_url, args=[container])
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def get_initial(self):
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initial = super(CreateView, self).get_initial()
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initial['parent'] = self.kwargs['container_name']
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return initial
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class CreatePseudoFolderView(forms.ModalFormView):
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form_class = project_forms.CreatePseudoFolder
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template_name = 'project/containers/create_pseudo_folder.html'
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success_url = "horizon:project:containers:index"
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page_title = _("Create Pseudo-folder")
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def get_success_url(self):
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container_name = self.request.POST['container_name']
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return reverse(self.success_url,
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args=(utils.wrap_delimiter(container_name),
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self.request.POST.get('path', '')))
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def get_initial(self):
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return {"container_name": self.kwargs["container_name"],
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"path": self.kwargs['subfolder_path']}
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def get_context_data(self, **kwargs):
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context = super(CreatePseudoFolderView, self). \
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get_context_data(**kwargs)
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context['container_name'] = self.kwargs["container_name"]
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return context
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class UploadView(forms.ModalFormView):
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form_class = project_forms.UploadObject
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template_name = 'project/containers/upload.html'
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success_url = "horizon:project:containers:index"
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page_title = _("Upload Objects")
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def get_success_url(self):
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container = utils.wrap_delimiter(self.request.POST['container_name'])
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path = utils.wrap_delimiter(self.request.POST.get('path', ''))
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args = (container, path)
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return reverse(self.success_url, args=args)
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def get_initial(self):
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return {"container_name": self.kwargs["container_name"],
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"path": self.kwargs['subfolder_path']}
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def get_context_data(self, **kwargs):
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context = super(UploadView, self).get_context_data(**kwargs)
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context['container_name'] = self.kwargs["container_name"]
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return context
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def object_download(request, container_name, object_path):
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try:
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obj = api.swift.swift_get_object(request, container_name, object_path,
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resp_chunk_size=swift.CHUNK_SIZE)
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except Exception:
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redirect = reverse("horizon:project:containers:index")
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exceptions.handle(request,
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_("Unable to retrieve object."),
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redirect=redirect)
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# Add the original file extension back on if it wasn't preserved in the
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# name given to the object.
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filename = object_path.rsplit(swift.FOLDER_DELIMITER)[-1]
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if not os.path.splitext(obj.name)[1] and obj.orig_name:
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name, ext = os.path.splitext(obj.orig_name)
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filename = "%s%s" % (filename, ext)
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response = http.StreamingHttpResponse(obj.data)
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safe_name = filename.replace(",", "")
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if six.PY2:
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safe_name = safe_name.encode('utf-8')
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response['Content-Disposition'] = 'attachment; filename="%s"' % safe_name
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response['Content-Type'] = 'application/octet-stream'
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response['Content-Length'] = obj.bytes
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return response
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class CopyView(forms.ModalFormView):
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form_class = project_forms.CopyObject
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template_name = 'project/containers/copy.html'
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success_url = "horizon:project:containers:index"
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page_title = _("Copy Object")
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def get_success_url(self):
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container = utils.wrap_delimiter(
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self.request.POST['new_container_name'])
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path = utils.wrap_delimiter(self.request.POST.get('path', ''))
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args = (container, path)
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return reverse(self.success_url, args=args)
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def get_form_kwargs(self):
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kwargs = super(CopyView, self).get_form_kwargs()
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try:
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containers = api.swift.swift_get_containers(self.request)
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except Exception:
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redirect = reverse("horizon:project:containers:index")
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exceptions.handle(self.request,
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_('Unable to list containers.'),
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redirect=redirect)
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kwargs['containers'] = [(c.name, c.name) for c in containers[0]]
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return kwargs
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@staticmethod
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def get_copy_name(object_name):
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filename, ext = os.path.splitext(object_name)
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return "%s.copy%s" % (filename, ext)
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def get_initial(self):
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path = self.kwargs["subfolder_path"]
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object_name = self.kwargs["object_name"]
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orig = "%s%s" % (path or '', object_name)
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return {"new_container_name": self.kwargs["container_name"],
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"orig_container_name": self.kwargs["container_name"],
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"orig_object_name": orig,
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"path": path,
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"new_object_name": self.get_copy_name(object_name)}
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def get_context_data(self, **kwargs):
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context = super(CopyView, self).get_context_data(**kwargs)
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context['container_name'] = self.kwargs["container_name"]
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context['object_name'] = self.kwargs["object_name"]
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return context
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class ContainerDetailView(forms.ModalFormMixin, generic.TemplateView):
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template_name = 'project/containers/container_detail.html'
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page_title = _("Container Details")
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@memoized.memoized_method
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def get_object(self):
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try:
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return api.swift.swift_get_container(
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self.request,
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self.kwargs["container_name"],
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with_data=False)
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except Exception:
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redirect = reverse("horizon:project:containers:index")
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exceptions.handle(self.request,
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_('Unable to retrieve details.'),
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redirect=redirect)
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def get_context_data(self, **kwargs):
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context = super(ContainerDetailView, self).get_context_data(**kwargs)
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context['container'] = self.get_object()
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return context
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class ObjectDetailView(forms.ModalFormMixin, generic.TemplateView):
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template_name = 'project/containers/object_detail.html'
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page_title = _("Object Details")
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@memoized.memoized_method
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def get_object(self):
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try:
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return api.swift.swift_get_object(
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self.request,
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self.kwargs["container_name"],
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self.kwargs["object_path"],
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with_data=False)
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except Exception:
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redirect = reverse("horizon:project:containers:index")
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exceptions.handle(self.request,
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_('Unable to retrieve details.'),
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redirect=redirect)
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def get_context_data(self, **kwargs):
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context = super(ObjectDetailView, self).get_context_data(**kwargs)
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context['object'] = self.get_object()
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return context
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class UpdateObjectView(forms.ModalFormView):
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form_class = project_forms.UpdateObject
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template_name = 'project/containers/update.html'
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success_url = "horizon:project:containers:index"
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page_title = _("Update Object")
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def get_success_url(self):
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container = utils.wrap_delimiter(self.request.POST['container_name'])
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path = utils.wrap_delimiter(self.request.POST.get('path', ''))
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args = (container, path)
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return reverse(self.success_url, args=args)
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def get_initial(self):
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return {"container_name": self.kwargs["container_name"],
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"path": self.kwargs["subfolder_path"],
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"name": self.kwargs["object_name"]}
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def get_context_data(self, **kwargs):
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context = super(UpdateObjectView, self).get_context_data(**kwargs)
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context['container_name'] = self.kwargs["container_name"]
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context['subfolder_path'] = self.kwargs["subfolder_path"]
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context['object_name'] = self.kwargs["object_name"]
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return context
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