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COG-CLI: COG Command Line Interface

By Andy Sayler
University of Colorado, Boulder

Status

COG-CLI is currently running in Beta in production. Bug reports, patches, and comments welcome.

Prereq

$ sudo apt-get install python3
$ sudo make reqs

Usage

Help

The CLI is self documenting:

$ ./cog-cli.py --help
$ ./cog-cli.py <group> --help
$ ./cog-cli.py <group> <command> --help

Setup

First, setup a new config:

$ ./cog-cli.py --url <API URL> util save-config <NAME>

Where <API URL> is something like https://api-cog-csci1300.cs.colorado.edu and <NAME> is something like csci1300.

You will be prompted for your username and password. Use your COG (i.e. Moodle/Identikey) credentials.

Creating an Assignment

To create a new assignment, prep the necessary grader files into a zip file and run:

$ ./cog-cli.py --server <SERVER NAME> util setup-assignment \
  --asn_name "<ASSIGNMENT NAME>" --env "local" \
  --tst_name "<TEST NAME>" --tester "script" --maxscore <SCORE> \
  --path <ZIP PATH>.zip --extract --path_script '<SCRIPT PATH>' \
  --rptmod moodle --rptmod_opt moodle_cm_id <CMID>

Where <SERVER NAME> is the value you set during the save-config command above, <ASSIGNMENT NAME> is your chosen assignment name, <TEST NAME> is your chosen test name, <SCORE> is the max score, <ZIP PATH> is the location of the grading script file or archive to upload, --extract ensures the uploaded archive is extracted (ignore this option for single-file uploads), <SCRIPT PATH> is the relative path to the grading script inside the grading archive, and <CMID> is the web ID of the Moodle assignment you want to report grades to (e.g. moodle.cs.colorado.edu/mod/assign/view.php?id=<CMID>).

You may wish to save the output of this command since the UUIDs it produces will be necessary in subsequent commands.

You can add the option --activate option to activate the assignment immediately, thus avoiding the next step.

There are also a number of extra Moodle reporter parameters that can be used to enable additional Moodle reporter functionality:

  • moodle_late_penalty: points to deduct per moodle_late_period past due date
  • moodle_late_period: late period in seconds (e.g. 86400 = 1 day)
  • moodle_prereq_cm_id: Moodle cmid of prereq assignment
  • moodle_prereq_min: Minimum grade stunt must receive on prereq assignment before being graded on this assignment.

The moodle_late_* parameters can be used to setup a linear late penalty that is applied for any COG submission that occurred after the Moodle assignment due date but before the Moodle assignment cutoff date.

The moodle_prereq_* parameters can be used to specify a prerequisite assignment on which the student must receive a threshold grade before being graded on the current assingmnt.

To use these parameters, specify them as key:value pairs following an --rptmod_opt option as shown in the example above.

Activating/Deactivating an Assignment

An existing assignment can be activated/deactivate to control whether or not it shows up on the COG Web GUI:

$ ./cog-cli.py --server <SERVER NAME> assignment activate --uid <ASSIGNMENT UUID>
$ ./cog-cli.py --server <SERVER NAME> assignment deactivate --uid <ASSIGNMENT UUID>

Where <SERVER NAME> is the value you set during the save-config command above and <Assignment UUID> is the UUID of the assignment in question.

Updating Test Files

If you need to upload/replace the grader script files for a given test:

$ ./cog-cli.py --server <SERVER NAME> util replace-test-files \
               --tst_uid <TEST UUID> \
               --path <PATH>.zip --extract

Where <SERVER NAME> is the value you set during the save-config command above, <PATH> is the location of the grading script file or archive to upload, --extract ensures the uploaded archive is extracted (ignore this option for single-file uploads), and <TEST UUID> is the UUID of the test on which you wish to replace the files.

Related

  • COG: COG Backend and API (this is where the magic happens)
  • COG-Web: Web Front-end

Licensing

Copyright 2014, 2015, 2016 by Andy Sayler

This file is part of COG-CLI.

COG-CLI is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

COG-CLI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with COG-CLI (see COPYING). If not, see http://www.gnu.org/licenses/.

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