From the student's perspective, they can list what assignments have been released, and then fetch a copy of the assignment to work on. First, we'll create a temporary directory to represent the student's home directory:
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%%bash
# remove the fake student home directory if it exists, for demo purposes
rm -rf /tmp/student_home
# create the fake student home directory and switch to it
mkdir /tmp/student_home
If you are not using the default exchange directory (as is the case here), you will additionally need to provide your students with a configuration file that sets the appropriate directory for them:
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%%file /tmp/student_home/nbgrader_config.py
c = get_config()
c.TransferApp.exchange_directory = '/tmp/exchange'
From the student's perspective, they can see what assignments have been released using nbgrader list, and passing the name of the class:
In [ ]:
%%bash
export HOME=/tmp/student_home && cd $HOME
nbgrader list "example_course"
They can then fetch an assignment for that class using nbgrader fetch and passing the name of the class and the name of the assignment:
In [ ]:
%%bash
export HOME=/tmp/student_home && cd $HOME
nbgrader fetch "example_course" "Problem Set 1"
Running nbgrader fetch copies the assignment files from the exchange directory to the local directory:
In [ ]:
%%bash
ls -l "/tmp/student_home/Problem Set 1"