def get_info_by_metadata(self, ckan_url='eudat-b1.dkrz.de', community='',
pattern=[], ckan_limit=1000):
"""
Retrieve dataset info by given search criteria using CKAN portal.
:param ckan_url: CKAN portal address, to which search requests are
submitted (default is eudat-b1.dkrz.de).
:param community: Community where you want to search in.
:param pattern: CKAN search pattern i.e. (a list of) field:value terms.
:param ckan_limit: Limit of listed datasets (default is 1000).
:return: list of datasets (each dataset is a list of dictionary
composed by key and value) considering only the datasets containing
a pid value.
"""
results = datasetinfo.get_dataset_info(ckan_url=ckan_url,
community=community,
pattern=pattern,
ckan_limit=ckan_limit)
return results
def get_pid_by_metadata(self, ckan_url='eudat-b1.dkrz.de', community='',
pattern=[], ckan_limit=1000):
"""
Retrieve dataset PIDs by given search criteria using CKAN portal.
:param ckan_url: CKAN portal address, to which search requests are
submitted (default is eudat-b1.dkrz.de).
:param community: Community where you want to search in.
:param pattern: CKAN search pattern i.e. (a list of) field:value terms.
:param ckan_limit: Limit of listed datasets (default is 1000).
:return: list of PIDs (with handle URL).
"""
results = datasetinfo.get_dataset_info(ckan_url=ckan_url,
community=community,
pattern=pattern,
ckan_limit=ckan_limit)
pid_list = []
for ds in results:
for extra in ds:
if extra['key'] == 'PID':
pid_list.append(extra['value'])
return pid_list
