6. Accessions

list_accessions implementation

No changes to the imports but we’ll add a list_accessions function in our definition section.

    def list_accessions(api_url, auth_token, repo_id):
        '''List all the accessions for a given repo_id'''
        data = urllib.parse.urlencode({'all_ids': True}).encode('utf-8')
        url = api_url+'/repositories/'+str(repo_id)+'/accessions'
        req = urllib.request.Request(
            url = url,
            data = data,
            headers = {'X-ArchivesSpace-Session': auth_token},
            method = 'GET')
        try:
            response = urllib.request.urlopen(req)
        except urllib.error.URLError as e:
            print(e.reason)
            return None
        except urllib.error.HTTPError as e:
            print(e.code)
            print(e.read())
            return None
        src = response.read().decode('utf-8')
        return json.JSONDecoder().decode(src)

And our test in the if block

        # Test list_accessions
        print('Test list_accessions()')
        accession_ids = list_accessions(api_url, auth_token, repo_id)
        print('Accession IDS', json.dumps(accession_ids, indent=4))

Full listing accession.py