← Back to branch summary

~azzar1/unity/add-show-desktop-key

« back to all changes in this revision

Viewing changes to bin/ivle-enrol

  • Committer: William Grant
  • Date: 2009-03-17 07:16:03 UTC
  • Revision ID: grantw@unimelb.edu.au-20090317071603-ux5qxbjkpdarvig3
Tags: 0.1.9.10
ivle.interpret.execute_raw() no longer breaks with lots of data.

Previously we uses subprocess' wait(), which doesn't empty the stdout
pipe. It filled up, causing the child to block. We now use communicate()
instead, which select()s and reads the pipes to unblock things.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bin/ivle-enrol
25
25
import os
26
26
import sys
27
27
 
28
 
from ivle.database import get_store, Subject, Semester, Offering, User, \
29
 
                          AlreadyEnrolledError
 
28
from ivle.database import get_store, Subject, Semester, Offering, User
30
29
 
31
30
def die(error):
32
31
    print >> sys.stderr, '%s: %s' % (os.path.basename(sys.argv[0]), error)
33
32
    sys.exit(1)
34
33
 
35
 
if len(sys.argv) != 5:
36
 
    print >> sys.stderr, "usage: %s <login> <subjectcode> <year> <semester>" \
 
34
if len(sys.argv) not in (5, 6):
 
35
    print >> sys.stderr, '''usage: %s <login> <subjectcode> <year> <semester> [role]
 
36
 
 
37
'role' should be one of student (the default), tutor or lecturer.
 
38
If an enrolment already exists, it will be reactivated and its role set.''' \
37
39
                         % os.path.basename(sys.argv[0])
38
40
    sys.exit()
39
41
 
52
54
if not offering:
53
55
    die("subject offering not found")
54
56
 
55
 
if not offering.semester.active:
56
 
    die("cannot enrol - semester inactive")
57
 
    
 
57
role = unicode(sys.argv[5]) if len(sys.argv) == 6 else u'student'
 
58
 
58
59
try:
59
 
    offering.enrol(user)
 
60
    offering.enrol(user, role)
60
61
except AlreadyEnrolledError:
61
62
    die("already enrolled")
62
63