Deriva Ermrest Catalog Examples

This notebook gives examples of creating and connecting to ERMrest catalogs.



In [1]:

    
from deriva.core import DerivaServer, get_credential

Fill in your desired scheme, hostname and catalog number.



In [2]:

    
scheme = 'https'
hostname = 'dev.isrd.isi.edu'
catalog_number = 1

Use DERIVA-Auth to get a credential or use None if your catalog allows anonymous access.



In [3]:

    
#credential = None
credential = get_credential(hostname)

Get a handle representing your server.



In [4]:

    
server = DerivaServer(scheme, hostname, credential)

Connect to a catalog, and list its schemas.



In [5]:

    
catalog = server.connect_ermrest(catalog_number)
pb = catalog.getPathBuilder()
list(pb.schemas)









    Out[5]:





['legacy', 'isa', 'load_temp', 'vocabulary', 'metadata_raw', 'public']

Create a new catalog.



In [6]:

    
new_catalog = server.create_ermrest_catalog()
new_catalog_pb = new_catalog.getPathBuilder()
list(new_catalog_pb.schemas)









    Out[6]:





['public']



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