When the tarball is too heavy, don't display its content

This avoid an infinite wait due to a full buffer

archive.py

@@ -104,10 +104,12 @@ def extract(cnt, dest=None):
         with tempfile.TemporaryDirectory() as temp:
             cmdline = ["tar", "--no-same-owner", "--no-same-permissions"]
             if dest is not None:
-                cmdline.append("-xvC")
+                cmdline.append("-xC")
                 cmdline.append(temp)
             else:
                 cmdline.append("-t")
+            if len(data) < 3145728:
+                cmdline.append("-v")
             if type in ["application/gzip", "application/x-gzip"]:
                 cmdline.append("-z")
             elif type in ["application/xz", "application/x-xz"]:

check.py

@@ -104,7 +104,7 @@ running for nemunaire@nemunai.re""")
             smtp.send_message(msg, to_addrs=["peret-report@nemunai.re" if initial_to is None else initial_to + "-report@nemunai.re"])
 
 
-def respondmail(to, subject, ref, checks, initial_to=None):
+def respondmail(to, subject, ref, checks, initial_to=None, ps=""):
     from email.message import EmailMessage
 
     if not isinstance(checks, list):
@@ -157,6 +157,9 @@ def respondmail(to, subject, ref, checks, initial_to=None):
     else:
         fmt += '\nAfter analyzing your e-mail, I\'ve decided to ' + final_decision + ' it.'
 
+    if ps is not None and len(ps) > 0 and final_decision == "ACCEPT":
+        fmt += '\n\n' + ps
+
     msg.set_content("""Hi!
 
 This is the automatic e-mail analyzer in charge of checking your work.
@@ -318,6 +321,9 @@ if __name__ == '__main__':
     parser.add_argument('-l', '--students-list', nargs='*',
                         help="students list(s) to use for the check")
 
+    parser.add_argument('-ps', '--ps',
+                        help="Include a PostScriptum info when valid")
+
     args = parser.parse_args()
 
     if args.refresh_keys:
@@ -342,4 +348,4 @@ if __name__ == '__main__':
     if args.issue_thunderbird91:
         respondissueemail(frm, subject, ref, initial_to=to)
     else:
-        respondmail(frm, subject, ref, [c for c in check_mail(gpgmail, cnt, submissions_dir=args.submissions, check_content=not args.sign, check_submission_hash=args.expected_submission_hash, skip_public_key=args.skip_public_key)], initial_to=to)
+        respondmail(frm, subject, ref, [c for c in check_mail(gpgmail, cnt, submissions_dir=args.submissions, check_content=not args.sign, check_submission_hash=args.expected_submission_hash, skip_public_key=args.skip_public_key)], initial_to=to, ps=args.ps)