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

file:./
               state = STATIC
          created by   root:
            supplies   file:hello.txt
            supplies   file:helper.py
            supplies   file:plan.py
            supplies   file:work.py
            supplies   step:runpy ./plan.py
            supplies   step:runpy ./work.py plan
            supplies   step:runpy ./work.py run

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:helper.py
             creates   file:work.py
             creates   step:runpy ./work.py plan

file:helper.py
               state = STATIC
          created by   step:runpy ./plan.py
            consumes   file:./
            supplies   step:runpy ./work.py run

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

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

step:runpy ./work.py run
               state = SUCCEEDED
             env_var = STEPUP_PATH_FILTER [amended]
          created by   step:runpy ./work.py plan
            consumes   file:./
            consumes   file:helper.py [amended]
            consumes   file:work.py
             creates   file:hello.txt
            supplies   file:hello.txt

file:hello.txt
               state = BUILT
          created by   step:runpy ./work.py run
            consumes   file:./
            consumes   step:runpy ./work.py run
