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Python

• Locating ecf script files, corresponding to the task in the suite definition.
• Performing pre-processing

The following points should be noted about about job creation checking:

• It is independent of the ecflow_server.

  Hence ECF_PORT and ECF_HOST in the job file will have default values.
• Job files have a .job0 extension, whereas the server will always generate jobs with a extension .job<1-n>, i.e. t1.job1, t1.job2.

  The numbers correspond to ECF_TRYNO which is never zero.
• By default the job file is created in the same directory as the ecf script. See ECF_JOB

Checking is done using ecflow.Defs.check_job_creation

Update $HOME/course/test.py with:

#!/usr/bin/env python2.7
import os
from ecflow import Defs,Suite,Task,Edit
   
print "Creating suite definition"
home = os.path.join(os.getenv("HOME"),  "course")
defs = Defs( 
        Suite('test',
            Edit(ECF_HOME=home),
            Task('t1')))
print(defs)

print("Checking job creation: .ecf -> .job0")  
print(defs.check_job_creation())

# We can assert, so that we only progress once job creation works
# assert len(defs.check_job_creation()) == 0, "Job generation failed"

1. Add job creation checking to $HOME/course/test.py
2. python test.py
3. Examine the job file $HOME/course/test/t1.job0
   In particular note the substitutions made by the ecflow server such as ECF_PORT