root:
             creates   file:./
             creates   file:plan.py
             creates   step:runpy ./plan.py

file:./
               state = STATIC
          created by   root:
            supplies   file:inp1.txt
            supplies   file:inp2.txt
            supplies   file:out1.txt
            supplies   file:out2.txt
            supplies   file:plan.py
            supplies   file:work1.py
            supplies   file:work2.py
            supplies   step:runpy ./plan.py
            supplies   step:runpy ./work1.py
            supplies   step:runpy ./work2.py

file:plan.py
               state = STATIC
          created by   root:
            consumes   file:./
            supplies   step:runpy ./plan.py

step:runpy ./plan.py
               state = SUCCEEDED
             env_var = STEPUP_PATH_FILTER [amended]
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:work1.py
             creates   file:work2.py
             creates   step:runpy ./work1.py
             creates   step:runpy ./work2.py

file:work1.py
               state = STATIC
          created by   step:runpy ./plan.py
            consumes   file:./
            supplies   step:runpy ./work1.py

file:work2.py
               state = STATIC
          created by   step:runpy ./plan.py
            consumes   file:./
            supplies   step:runpy ./work2.py

step:runpy ./work1.py
               state = SUCCEEDED
             env_var = STEPUP_PATH_FILTER [amended]
          created by   step:runpy ./plan.py
            consumes   file:./
            consumes   file:inp2.txt [amended]
            consumes   file:work1.py
             creates   file:inp1.txt
             creates   file:out2.txt
            supplies   file:out2.txt [amended]

step:runpy ./work2.py
               state = SUCCEEDED
             env_var = STEPUP_PATH_FILTER [amended]
          created by   step:runpy ./plan.py
            consumes   file:./
            consumes   file:inp1.txt [amended]
            consumes   file:work2.py
             creates   file:inp2.txt
             creates   file:out1.txt
            supplies   file:out1.txt [amended]

file:inp1.txt
               state = STATIC
          created by   step:runpy ./work1.py
            consumes   file:./
            supplies   step:runpy ./work2.py

file:inp2.txt
               state = STATIC
          created by   step:runpy ./work2.py
            consumes   file:./
            supplies   step:runpy ./work1.py

file:out2.txt
               state = BUILT
          created by   step:runpy ./work1.py
            consumes   file:./
            consumes   step:runpy ./work1.py

file:out1.txt
               state = BUILT
          created by   step:runpy ./work2.py
            consumes   file:./
            consumes   step:runpy ./work2.py
