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make LOG available for user code

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svn: r1023
This commit is contained in:
Eli Barzilay 2005-10-08 03:38:02 +00:00
parent f9455176b7
commit bedb4235c3
3 changed files with 17 additions and 6 deletions
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15
collects/handin-server/doc.txt
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@ -629,6 +629,10 @@ The _utils.ss_ module provides utilities helpful in implementing
submission error. submission error.
> (LOG fmt args ...) - produces a line in the server log file, using
the given format string and arguments.
Extra Checker Utilities Extra Checker Utilities
============================================ ============================================
@ -754,22 +758,25 @@ value from the submission code.
(require (lib "sendmail.ss" "net")) (require (lib "sendmail.ss" "net"))
(post: (post:
(define info
(format "hw.scm: ~a ~a"
(file-size "hw.scm")
(file-or-directory-modify-seconds "hw.scm")))
(LOG "Sending a receipt: ~a" info)
(send-mail-message (send-mail-message
"cour-staff@university.edu "course-staff@university.edu
"Submission Receipt" "Submission Receipt"
(map (lambda (user) (user-substs user "{Full Name} <{Email}>")) (map (lambda (user) (user-substs user "{Full Name} <{Email}>"))
users) users)
(list (user-substs (first users) "{TA Name} <{TA Email}>")) (list (user-substs (first users) "{TA Name} <{TA Email}>"))
null null
(list "Your submission was received" `("Your submission was received" ,info))
... provide details on hw.scm ...))
(message (string-append (message (string-append
"Your submission was successfully saved." "Your submission was successfully saved."
" You will get an email receipt within 30 minutes;" " You will get an email receipt within 30 minutes;"
" if not, please contact the course staff.") " if not, please contact the course staff.")
'(ok))) '(ok)))
> (pairs-or-singles-with-warning users) > (pairs-or-singles-with-warning users)
This procedure is intended for use as the :users entry in a checker. This procedure is intended for use as the :users entry in a checker.
It will do nothing if there are two users, and throw an error if It will do nothing if there are two users, and throw an error if

1
collects/handin-server/handin-server.ss
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@ -30,6 +30,7 @@
[(pair? default) (car default)] [(pair? default) (car default)]
[else (error (alist-name alist) "no value for `~s'" key)])) [else (error (alist-name alist) "no value for `~s'" key)]))
(provide LOG)
(define (LOG str . args) (define (LOG str . args)
;; Assemble log into into a single string, to make ;; Assemble log into into a single string, to make
;; interleaved log lines unlikely: ;; interleaved log lines unlikely:

7
collects/handin-server/utils.ss
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@ -6,7 +6,8 @@
(prefix pc: (lib "pconvert.ss")) (prefix pc: (lib "pconvert.ss"))
(lib "pretty.ss") (lib "pretty.ss")
(lib "list.ss") (lib "list.ss")
(lib "string.ss")) (lib "string.ss")
(only "handin-server.ss" LOG))
(provide unpack-submission (provide unpack-submission
@ -31,7 +32,9 @@
check-defined check-defined
look-for-tests look-for-tests
user-construct user-construct
test-history-enabled) test-history-enabled
LOG)
(define (unpack-submission str) (define (unpack-submission str)
(let* ([base (make-object editor-stream-in-bytes-base% str)] (let* ([base (make-object editor-stream-in-bytes-base% str)]