root:
             version = v1
             creates   file:./
             creates   file:plan.py
             creates   step:./plan.py

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

file:./
                path = ./
               state = STATIC
          created by   root:
            supplies   file:data+7.0.txt
            supplies   file:data-5.0.txt
            supplies   file:helper.py
            supplies   file:plan.py
            supplies   file:work.py
            supplies   step:./plan.py
            supplies   step:./work.py plan
            supplies   step:./work.py run -- '+7.0'
            supplies   step:./work.py run -- '-5.0'

step:./plan.py
             workdir = ./
             command = ./plan.py
               state = SUCCEEDED
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   file:helper.py
             creates   file:work.py
             creates   step:./work.py plan

file:helper.py
                path = helper.py
               state = STATIC
          created by   step:./plan.py
            consumes   file:./
            supplies   step:./work.py plan
            supplies   step:./work.py run -- '+7.0'
            supplies   step:./work.py run -- '-5.0'

file:work.py
                path = work.py
               state = STATIC
          created by   step:./plan.py
            consumes   file:./
            supplies   step:./work.py plan
            supplies   step:./work.py run -- '+7.0'
            supplies   step:./work.py run -- '-5.0'

step:./work.py plan
             workdir = ./
             command = ./work.py plan
               state = SUCCEEDED
  consumes (amended) = file:helper.py
          created by   step:./plan.py
            consumes   file:./
            consumes   file:helper.py
            consumes   file:work.py
             creates   step:./work.py run -- '+7.0'
             creates   step:./work.py run -- '-5.0'

step:./work.py run -- '-5.0'
             workdir = ./
             command = ./work.py run -- '-5.0'
               state = SUCCEEDED
          created by   step:./work.py plan
            consumes   file:./
            consumes   file:helper.py
            consumes   file:work.py
             creates   file:data-5.0.txt
            supplies   file:data-5.0.txt

file:data-5.0.txt
                path = data-5.0.txt
               state = BUILT
          created by   step:./work.py run -- '-5.0'
            consumes   file:./
            consumes   step:./work.py run -- '-5.0'

step:./work.py run -- '+7.0'
             workdir = ./
             command = ./work.py run -- '+7.0'
               state = SUCCEEDED
          created by   step:./work.py plan
            consumes   file:./
            consumes   file:helper.py
            consumes   file:work.py
             creates   file:data+7.0.txt
            supplies   file:data+7.0.txt

file:data+7.0.txt
                path = data+7.0.txt
               state = BUILT
          created by   step:./work.py run -- '+7.0'
            consumes   file:./
            consumes   step:./work.py run -- '+7.0'
