4 files changed, 15 insertions, 3 deletions
diff --git a/Dockerfile b/Dockerfile
index b688e0c..d6188ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,5 +7,6 @@ RUN apt-get install -y python3-pip python3-dev build-essential texlive-base wkht
 COPY ./Smarker /Smarker
 WORKDIR /Smarker
 RUN pip3 install -r requirements.txt
-ENTRYPOINT ["python3"]
+RUN ln -s /usr/bin/python3 /usr/bin/python
+ENTRYPOINT ["python"]
 CMD ["smarker.py"]
 \ No newline at end of file
diff --git a/README.md b/README.md
index 43036e2..391e73b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # Smarker
 An automated marking system for UEA programming assessments
+
+## Running in docker
+
+`sudo docker run -v "$(pwd)/../wsData.txt":/wsData.txt -v "$(pwd)/ExampleAssessments/CMP-4009B.yml":/tmp/CMP-4009.yml -v "$(pwd)/../ExampleSubmissions/123456789.zip":/tmp/123456789.zip -e submission=/tmp/123456789.zip -e assessment=/tmp/CMP-4009.yml -e SMARKERDEPS=matplotlib smarker`
diff --git a/Smarker/misc_classes.py b/Smarker/misc_classes.py
index 17ad36a..7ab37de 100644
--- a/Smarker/misc_classes.py
+++ b/Smarker/misc_classes.py
@@ -20,6 +20,7 @@ latex_jinja_env = jinja2.Environment(
 	loader = jinja2.FileSystemLoader(os.path.abspath(os.path.join(os.path.split(__file__)[0], "templates")))
 )
 
+# https://stackoverflow.com/questions/10551117/setting-options-from-environment-variables-when-using-argparse
 class EnvDefault(argparse.Action):
     def __init__(self, envvar, required=True, default=None, **kwargs):
         if not default and envvar:
diff --git a/Smarker/smarker.py b/Smarker/smarker.py
index 106d426..46feb5f 100644
--- a/Smarker/smarker.py
+++ b/Smarker/smarker.py
@@ -72,7 +72,7 @@ if __name__ == "__main__":
         action = misc_classes.EnvDefault,
         envvar = "assessment",
         help = "Path to an assessment .yml file",
-        type = os.path.abspath,
+        # type = os.path.abspath,
         required = True
     )
     parser.add_argument(
@@ -80,7 +80,7 @@ if __name__ == "__main__":
         action = misc_classes.EnvDefault,
         envvar = "submission",
         help = "Path to a zip of a student's code",
-        type = os.path.abspath,
+        # type = os.path.abspath,
         required = True
     )
     parser.add_argument(
@@ -110,6 +110,12 @@ if __name__ == "__main__":
                 help = "Optional argument inherited from config file. Read smarker.conf for details."
             )
 
+    try:
+        for dependency in os.environ["SMARKERDEPS"].split(","):
+            subprocess.run(["pip", "install", dependency])
+    except KeyError:
+        pass
+
     args = vars(parser.parse_args())
     main(**args)
         
 \ No newline at end of file