def browser(request, path='', template="cloud_browser/browser.html"):
"""View files in a file path.
:param request: The request.
:param path: Path to resource, including container as first part of path.
:param template: Template to render.
"""
from itertools import islice
try:
# pylint: disable=redefined-builtin
from future_builtins import filter
except ImportError:
# pylint: disable=import-error
from builtins import filter
# Inputs.
container_path, object_path = path_parts(path)
incoming = request.POST or request.GET or {}
marker = incoming.get('marker', None)
marker_part = incoming.get('marker_part', None)
if marker_part:
marker = path_join(object_path, marker_part)
# Get and adjust listing limit.
limit_default = settings.CLOUD_BROWSER_DEFAULT_LIST_LIMIT
def limit_test(num):
return num > 0 and (MAX_LIMIT is None or num <= MAX_LIMIT - 1)
limit = get_int(incoming.get('limit', limit_default), limit_default,
limit_test)
# Q1: Get all containers.
# We optimize here by not individually looking up containers later,
# instead going through this in-memory list.
# TODO: Should page listed containers with a ``limit`` and ``marker``.
conn = get_connection()
containers = conn.get_containers()
marker_part = None
container = None
objects = None
if container_path != '':
# Find marked container from list.
def cont_eq(container):
return container.name == container_path
filtered_conts = filter(cont_eq, containers)
cont_list = list(islice(filtered_conts, 1))
if not cont_list:
raise Http404("No container at: %s" % container_path)
# Q2: Get objects for instant list, plus one to check "next".
container = cont_list[0]
objects = container.get_objects(object_path, marker, limit + 1)
marker = None
# If over limit, strip last item and set marker.
if len(objects) == limit + 1:
objects = objects[:limit]
marker = objects[-1].name
marker_part = relpath(marker, object_path)
return render(
request, template, {
'path': path,
'marker': marker,
'marker_part': marker_part,
'limit': limit,
'breadcrumbs': _breadcrumbs(path),
'container_path': container_path,
'containers': containers,
'container': container,
'object_path': object_path,
'objects': objects
})
def browser(request, path='', template="cloud_browser/browser.html"):
"""View files in a file path.
:param request: The request.
:param path: Path to resource, including container as first part of path.
:param template: Template to render.
"""
from itertools import ifilter, islice
# Inputs.
container_path, object_path = path_parts(path)
incoming = request.POST or request.GET or {}
marker = incoming.get('marker', None)
marker_part = incoming.get('marker_part', None)
if marker_part:
marker = path_join(object_path, marker_part)
# Get and adjust listing limit.
limit_default = settings.CLOUD_BROWSER_DEFAULT_LIST_LIMIT
limit_test = lambda x: x > 0 and (MAX_LIMIT is None or x <= MAX_LIMIT - 1)
limit = get_int(incoming.get('limit', limit_default),
limit_default,
limit_test)
# Q1: Get all containers.
# We optimize here by not individually looking up containers later,
# instead going through this in-memory list.
# TODO: Should page listed containers with a ``limit`` and ``marker``.
conn = get_connection()
containers = conn.get_containers()
marker_part = None
container = None
objects = None
if container_path != '':
# Find marked container from list.
cont_eq = lambda c: c.name == container_path
cont_list = list(islice(ifilter(cont_eq, containers), 1))
if not cont_list:
raise Http404("No container at: %s" % container_path)
# Q2: Get objects for instant list, plus one to check "next".
container = cont_list[0]
objects = container.get_objects(object_path, marker, limit+1)
marker = None
# If over limit, strip last item and set marker.
if len(objects) == limit + 1:
objects = objects[:limit]
marker = objects[-1].name
marker_part = relpath(marker, object_path)
return render_to_response(template,
{'path': path,
'marker': marker,
'marker_part': marker_part,
'limit': limit,
'breadcrumbs': _breadcrumbs(path),
'container_path': container_path,
'containers': containers,
'container': container,
'object_path': object_path,
'objects': objects},
context_instance=RequestContext(request))