def index(self):
ident = request.environ.get('repoze.who.identity')
c.ident = ident
#granary_list = ag.granary.silos
#c.silos = granary_list
c.silos = list_silos()
if ag.metadata_embargoed:
if not ident:
abort(401, "Not Authorised")
c.silos = ag.authz(ident)
c.silo_infos = {}
for silo in c.silos:
c.silo_infos[silo] = []
state_info = ag.granary.describe_silo(silo)
if 'title' in state_info and state_info['title']:
c.silo_infos[silo].append(state_info['title'])
else:
c.silo_infos[silo].append(silo)
c.silo_infos[silo].append(get_datasets_count(silo))
c.silo_infos[silo].append(getSiloModifiedDate(silo))
# conneg return
accept_list = None
if 'HTTP_ACCEPT' in request.environ:
try:
accept_list = conneg_parse(request.environ['HTTP_ACCEPT'])
except:
accept_list= [MT("text", "html")]
if not accept_list:
accept_list= [MT("text", "html")]
mimetype = accept_list.pop(0)
while(mimetype):
if str(mimetype).lower() in ["text/html", "text/xhtml"]:
return render('/list_of_silos.html')
elif str(mimetype).lower() in ["text/plain", "application/json"]:
response.content_type = 'application/json; charset="UTF-8"'
response.status_int = 200
response.status = "200 OK"
return simplejson.dumps(c.silos)
try:
mimetype = accept_list.pop(0)
except IndexError:
mimetype = None
#Whoops nothing satisfies - return text/html
return render('/list_of_silos.html')
def siloview(self, silo):
"""
Returns the state information of a silo.
Only authorized users with role 'admin' or 'manager' can view this information
The state information for a silo contains the following:
Name of the silo (machine name, used in uris) - ans["silo"]
Base URI for the silo - ans["uri_base"]
Users who can access the silo (silo owners) - ans["owners"]
Silo description - ans["description"]
Title of the silo (human readable) - ans["title"]
Disk allocation for the silo (in kB) - ans["disk_allocation"]
List of datasets in the silo (ans["datasets"])
with embargo information for each of the datasets
(ans["datasets"]["dataset_name"]["embargo_info"])
"""
# Only authorized users can view state information.
# Should this be restricted to admins and managers only, or shoud users too be able to see this information?
# Going with restricting this information to admins and managers
if not ag.granary.issilo(silo):
abort(404)
ident = request.environ.get('repoze.who.identity')
if not ident:
abort(401, "Not Authorised")
silos = ag.authz(ident)
if silo not in silos:
abort(403, "Forbidden")
silos_admin = ag.authz(ident, permission='administrator')
silos_manager = ag.authz(ident, permission='manager')
#if not ident.get('role') in ["admin", "manager"]:
if not (silo in silos_admin or silo in silos_manager):
abort(403, "Forbidden. You should be an administrator or manager to view this information")
options = request.GET
start = 0
if 'start' in options and options['start']:
try:
start = int(options['start'])
except:
start = 0
rows = 1000
if 'rows' in options and options['rows']:
try:
rows = int(options['rows'])
except:
rows = 1000
rdfsilo = ag.granary.get_rdf_silo(silo)
state_info = ag.granary.describe_silo(silo)
state_info['silo'] = silo
state_info['uri_base'] = ''
if rdfsilo.state and rdfsilo.state['uri_base']:
state_info['uri_base'] = rdfsilo.state['uri_base']
state_info['number of data packages'] = get_datasets_count(silo)
state_info['params'] = {'start':start, 'rows':rows}
items = {}
#for item in rdfsilo.list_items():
for item in get_datasets(silo, start=start, rows=rows):
items[item] = {}
try:
items[item]['embargo_info'] = is_embargoed(rdfsilo, item)
except:
pass
state_info['datasets'] = items
# conneg return
# Always return application/json
response.content_type = 'application/json; charset="UTF-8"'
response.status_int = 200
response.status = "200 OK"
return simplejson.dumps(state_info)