add option to read issue template from file

teach_utils/send_feedback.py

@@ -36,7 +36,13 @@ Please find below your grade and specific comments for this project:
     type=click.Path(exists=True),
     help="Path to a file containing the Gitlab API token. If not provided, you will be prompted for the token.",
 )
-def main(forks, feedback, token):
+@click.option(
+    "--template",
+    type=click.Path(exists=True),
+    help="Markdown template for the issue. If present, fields {group}, {project}, {grade} and {comments} will "
+    "be replaced by their values using the feedback file.",
+)
+def main(forks, feedback, token, template):
     """
     Send feedback to repositories in input JSON by opening issues.
     The feedback table should be a CSV file with columns "id", "grade" and "comments".
@@ -53,13 +59,18 @@ def main(forks, feedback, token):
     forks = json.load(forks)
     feedback = pd.read_csv(feedback)
 
+    # Load issue template if provided
+    if template:
+        feedback_template = open(template).read()
+    else:
+        feedback_template = FEEDBACK_TEMPLATE
     for fork in forks:
         # Replace content for current project in issue template
         base, group, repo = parse_repo_url(fork["url"])
         grade, comments = feedback.loc[
             feedback["id"] == fork["id"], ["grade", "comments"]
         ].values[0]
-        description = FEEDBACK_TEMPLATE.format(
+        description = feedback_template.format(
             project=repo, group=group, grade=grade, comments=comments
         )