def api_metadata(request, item_id):
cache_key = '{}:{}'.format(item_id, 'metadata')
metadata = cache.get(cache_key)
if metadata is None:
try:
tc = TerrainClient('anonymous', '*****@*****.**')
metadata = tc.get_metadata(item_id)
cache.set(cache_key, metadata, CACHE_EXPIRATION)
except HTTPError as e:
logger.exception('Failed to retrieve metadata',
extra={'id': item_id})
return HttpResponseBadRequest('Failed to retrieve metadata',
content_type='application/json')
return JsonResponse(metadata)
def api_metadata(request, item_id, download=False):
cache_key = '{}:{}'.format(item_id, 'metadata')
result = cache.get(cache_key)
if result is None:
try:
tc = TerrainClient('anonymous', '*****@*****.**')
metadata = tc.get_metadata(item_id)
avus = metadata['avus'] + metadata['irods-avus']
contributors = []
readable_meta = {}
for item in avus: #get readable labels
attr = item.get('attr')
label = data_dictionary.get(attr, attr)
value = item.get('value')
my_dict = {}
my_dict['attr'] = attr
my_dict['label'] = label
my_dict['value'] = value
if (label not in readable_meta and label != 'Contributor Type'
and label != 'Contributor'):
readable_meta[label] = my_dict
elif label == 'Contributor Type' or label == 'Contributor':
contributors.append(my_dict)
elif label not in readable_meta:
readable_meta[label] = my_dict
elif readable_meta[label]['value']:
readable_meta[label]['value'] += ', {}'.format(value)
else:
readable_meta[label]['value'] = value
sorted_meta = []
meta_copy = copy.copy(readable_meta)
for item in metadata_order:
if not isinstance(item, str):
key = item['key']
value = item['value']
if key in meta_copy and value in meta_copy:
if 'Additional Label' in item \
and meta_copy[key]['value'] \
and meta_copy[value]['value']:
label = item['Additional Label']
display_value = meta_copy[key][
'value'] + ': ' + meta_copy[value]['value']
else:
label = meta_copy[key]['value']
display_value = meta_copy[value]['value']
sorted_meta.append({
'key': label,
'value': display_value
})
meta_copy.pop(key, None)
meta_copy.pop(value, None)
elif item == 'Contributor':
for c in contributors:
sorted_meta.append({
'key': c['label'],
'value': c['value']
})
elif item in meta_copy:
key = meta_copy[item]['label']
value = meta_copy[item]['value']
sorted_meta.append({'key': key, 'value': value})
meta_copy.pop(key, None)
for others in meta_copy:
sorted_meta.append({
'key': readable_meta[others]['label'],
'value': readable_meta[others]['value']
})
result = {'sorted_meta': sorted_meta, 'metadata': readable_meta}
cache.set(cache_key, result, CACHE_EXPIRATION)
except HTTPError as e:
logger.exception('Failed to retrieve metadata',
extra={'id': item_id})
return HttpResponseBadRequest('Failed to retrieve metadata',
content_type='application/json')
return JsonResponse(result, safe=False)
def api_metadata(request, item_id, download=False):
cache_key = '{}:{}'.format(item_id, 'metadata')
result = cache.get(cache_key)
if result is None:
try:
tc = TerrainClient('anonymous', '*****@*****.**')
metadata = tc.get_metadata(item_id)
avus = metadata['avus']+metadata['irods-avus']
contributors = []
readable_meta={}
for item in avus: #get readable labels
attr = item.get('attr')
label = data_dictionary.get(attr, attr)
value = item.get('value')
my_dict = {}
my_dict['attr'] = attr
my_dict['label'] = label
my_dict['value'] = value
if (label not in readable_meta
and label != 'Contributor Type'
and label != 'Contributor'):
readable_meta[label] = my_dict
elif label == 'Contributor Type' or label == 'Contributor':
contributors.append(my_dict)
elif label not in readable_meta:
readable_meta[label] = my_dict
elif readable_meta[label]['value']:
readable_meta[label]['value'] += ', {}'.format(value)
else:
readable_meta[label]['value'] = value
sorted_meta = []
meta_copy = copy.copy(readable_meta)
for item in metadata_order:
if not isinstance(item, str):
key = item['key']
value = item['value']
if key in meta_copy and value in meta_copy:
if 'Additional Label' in item \
and meta_copy[key]['value'] \
and meta_copy[value]['value']:
label = item['Additional Label']
display_value = meta_copy[key]['value'] + ': ' + meta_copy[value]['value']
else:
label = meta_copy[key]['value']
display_value = meta_copy[value]['value']
sorted_meta.append({'key':label, 'value': display_value})
meta_copy.pop(key, None)
meta_copy.pop(value, None)
elif item == 'Contributor':
for c in contributors:
sorted_meta.append({'key': c['label'], 'value': c['value']})
elif item in meta_copy:
key = meta_copy[item]['label']
value = meta_copy[item]['value']
sorted_meta.append({'key':key, 'value':value})
meta_copy.pop(key, None)
for others in meta_copy:
sorted_meta.append({'key':readable_meta[others]['label'], 'value':readable_meta[others]['value']})
result = {'sorted_meta': sorted_meta, 'metadata': readable_meta}
cache.set(cache_key, result, CACHE_EXPIRATION)
except HTTPError as e:
logger.exception('Failed to retrieve metadata', extra={'id': item_id})
return HttpResponseBadRequest('Failed to retrieve metadata',
content_type='application/json')
return JsonResponse(result, safe=False)