@prefix dce: <http://purl.org/dc/elements/1.1/> .
@prefix this: <http://purl.org/np/RA6j42-VBF8Jnzhwvb4MNYAB1_3NX4eAOSx_L4tawjIik> .
@prefix sub: <http://purl.org/np/RA6j42-VBF8Jnzhwvb4MNYAB1_3NX4eAOSx_L4tawjIik#> .
@prefix bpmn: <https://www.omg.org/spec/BPMN/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix p-plan: <http://purl.org/net/p-plan#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix npx: <http://purl.org/nanopub/x/> .
sub:Head {
  this: np:hasAssertion sub:assertion ;
    np:hasProvenance sub:provenance ;
    np:hasPublicationInfo sub:pubInfo ;
    a np:Nanopublication .
}
sub:assertion {
  sub:db_uri a p-plan:Variable .
  sub:step dce:description """#!/usr/bin/env python3

import click

@click.command()
@click.option('--db_uri')
def first_step(db_uri):
    '''
    Retrieve data from database
    '''
    pass


if __name__ == '__main__':
    first_step()""" ;
    a p-plan:Step , bpmn:scriptTask .
}
sub:provenance {
  sub:assertion prov:generatedAtTime "2020-04-22T15:02:41.291353"^^xsd:dateTime ;
    prov:wasAttributedTo sub:experimentScientist ;
    prov:wasDerivedFrom sub:experiment .
}
sub:pubInfo {
  sub:sig npx:hasAlgorithm "RSA" ;
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCSJ70ftpVCIM5G9QnTMwUS8ojFt9qhgtzICAQqKjaY2z0SJ5va1Y4Za/9pv+8qkuW7ox4CkOT8GQO9WmelNsuN62n56mC4fTw5+o6vLyBrK1Pb/tkwEX/lwwXdeH+Gw4P5x6jhYRf0+wYzdHueAdDNkU9bu7tc2S5TRqDBTeGHYQIDAQAB" ;
    npx:hasSignature "Ysjdkdg4CeXbBzaijy59bSBnH0V2r87HlfJ7s5sLbfAFE+ru5mU3WP6hrKgbYPnDWweFNDVmsDboSt857zqejglX2XjvqXvsB5XX6B1TbpIz4673iJzUQR5IBrw2eNWIabzcWEEJRFRIPawt13vKPP3kVHpkoLu7eQeA2NW7omU=" ;
    npx:hasSignatureTarget this: .
  this: prov:generatedAtTime "2020-04-22T15:02:41.291353"^^xsd:dateTime ;
    prov:wasAttributedTo sub:DrBob .
}