ccc0f7290f
Now the user can create an Object without providing an actual file in the containers view. This will submit an object with 0 bytes size. Additionally, the 'Download' button will not be available for objects with 0 bytes size. Implements: blueprint metadata-only-object Change-Id: Ib2ff2462b73d16c971ad0dfc60aaae1b0bbf0924
209 lines
8.6 KiB
Python
209 lines
8.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# 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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from django.core.urlresolvers import reverse
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from django.core import validators
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms
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from horizon import messages
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from openstack_dashboard import api
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from openstack_dashboard.dashboards.project.containers import tables
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no_slash_validator = validators.RegexValidator(r'^(?u)[^/]+$',
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_("Slash is not an allowed "
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"character."),
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code="noslash")
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class CreateContainer(forms.SelfHandlingForm):
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ACCESS_CHOICES = (
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("private", _("Private")),
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("public", _("Public")),
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)
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parent = forms.CharField(max_length=255,
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required=False,
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widget=forms.HiddenInput)
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name = forms.CharField(max_length=255,
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label=_("Container Name"),
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validators=[no_slash_validator])
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access = forms.ChoiceField(label=_("Container Access"),
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required=True,
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choices=ACCESS_CHOICES)
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def handle(self, request, data):
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try:
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if not data['parent']:
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is_public = data["access"] == "public"
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metadata = ({'is_public': is_public})
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# Create a container
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api.swift.swift_create_container(request,
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data["name"],
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metadata=metadata)
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messages.success(request, _("Container created successfully."))
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else:
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# Create a pseudo-folder
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container, slash, remainder = data['parent'].partition("/")
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remainder = remainder.rstrip("/")
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subfolder_name = "/".join([bit for bit
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in (remainder, data['name'])
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if bit])
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api.swift.swift_create_subfolder(request,
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container,
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subfolder_name)
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messages.success(request, _("Folder created successfully."))
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return True
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except Exception:
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exceptions.handle(request, _('Unable to create container.'))
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class UploadObject(forms.SelfHandlingForm):
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path = forms.CharField(max_length=255,
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required=False,
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widget=forms.HiddenInput)
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name = forms.CharField(max_length=255,
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label=_("Object Name"),
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help_text=_("Slashes are allowed, and are treated "
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"as pseudo-folders by the Object "
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"Store."),
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widget=forms.TextInput(
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attrs={"ng-model": "name",
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"not-blank": ""}
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))
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object_file = forms.FileField(label=_("File"),
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required=False,
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allow_empty_file=True)
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container_name = forms.CharField(widget=forms.HiddenInput())
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def _set_object_path(self, data):
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if data['path']:
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object_path = "/".join([data['path'].rstrip("/"), data['name']])
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else:
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object_path = data['name']
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return object_path
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def clean(self):
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data = super(UploadObject, self).clean()
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if 'object_file' not in self.files:
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self.files['object_file'] = None
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return data
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def handle(self, request, data):
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object_file = self.files['object_file']
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object_path = self._set_object_path(data)
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try:
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obj = api.swift.swift_upload_object(request,
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data['container_name'],
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object_path,
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object_file)
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messages.success(request, _("Object was successfully uploaded."))
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return obj
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except Exception:
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exceptions.handle(request, _("Unable to upload object."))
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class CreatePseudoFolder(forms.SelfHandlingForm):
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path = forms.CharField(max_length=255,
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required=False,
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widget=forms.HiddenInput)
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name = forms.CharField(max_length=255,
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label=_("Pseudo-folder Name"))
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container_name = forms.CharField(widget=forms.HiddenInput())
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def _set_pseudo_folder_path(self, data):
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if data['path']:
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pseudo_folder_path = "/".join([data['path'].rstrip("/"),
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data['name']]) + "/"
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else:
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pseudo_folder_path = data['name'] + "/"
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return pseudo_folder_path
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def handle(self, request, data):
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pseudo_folder_path = self._set_pseudo_folder_path(data)
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try:
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obj = api.swift.swift_create_pseudo_folder(request,
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data['container_name'],
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pseudo_folder_path)
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messages.success(request,
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_("Pseudo-folder was successfully created."))
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return obj
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except Exception:
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exceptions.handle(request, _("Unable to create pseudo-folder."))
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class CopyObject(forms.SelfHandlingForm):
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new_container_name = forms.ChoiceField(label=_("Destination container"),
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validators=[no_slash_validator])
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path = forms.CharField(max_length=255, required=False)
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new_object_name = forms.CharField(max_length=255,
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label=_("Destination object name"),
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validators=[no_slash_validator])
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orig_container_name = forms.CharField(widget=forms.HiddenInput())
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orig_object_name = forms.CharField(widget=forms.HiddenInput())
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def __init__(self, *args, **kwargs):
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containers = kwargs.pop('containers')
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super(CopyObject, self).__init__(*args, **kwargs)
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self.fields['new_container_name'].choices = containers
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def handle(self, request, data):
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index = "horizon:project:containers:index"
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orig_container = data['orig_container_name']
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orig_object = data['orig_object_name']
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new_container = data['new_container_name']
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new_object = data['new_object_name']
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path = data['path']
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if path and not path.endswith("/"):
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path = path + "/"
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new_path = "%s%s" % (path, new_object)
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# Now copy the object itself.
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try:
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api.swift.swift_copy_object(request,
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orig_container,
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orig_object,
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new_container,
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new_path)
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dest = "%s/%s" % (new_container, path)
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vals = {"dest": dest.rstrip("/"),
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"orig": orig_object.split("/")[-1],
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"new": new_object}
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messages.success(request,
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_('Copied "%(orig)s" to "%(dest)s" as "%(new)s".')
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% vals)
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return True
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except exceptions.HorizonException as exc:
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messages.error(request, exc)
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raise exceptions.Http302(reverse(index,
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args=[tables.wrap_delimiter(orig_container)]))
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except Exception:
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redirect = reverse(index,
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args=[tables.wrap_delimiter(orig_container)])
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exceptions.handle(request,
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_("Unable to copy object."),
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redirect=redirect)
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