author | Sverre Rabbelier <srabbelier@gmail.com> |
Thu, 02 Apr 2009 23:05:31 +0000 | |
changeset 2056 | bbd16a156bde |
parent 109 | 620f9b141567 |
permissions | -rwxr-xr-x |
109
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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1 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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changeset
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2 |
13. Adding hooks before/after saving and deleting |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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To execute arbitrary code around ``save()`` and ``delete()``, just subclass |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
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5 |
the methods. |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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changeset
|
6 |
""" |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
changeset
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|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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from django.db import models |
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Todd Larsen <tlarsen@google.com>
parents:
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|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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class Person(models.Model): |
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Todd Larsen <tlarsen@google.com>
parents:
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11 |
first_name = models.CharField(maxlength=20) |
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Todd Larsen <tlarsen@google.com>
parents:
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last_name = models.CharField(maxlength=20) |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
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|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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def __str__(self): |
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parents:
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return "%s %s" % (self.first_name, self.last_name) |
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Todd Larsen <tlarsen@google.com>
parents:
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|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
diff
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def save(self): |
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Todd Larsen <tlarsen@google.com>
parents:
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print "Before save" |
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Todd Larsen <tlarsen@google.com>
parents:
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super(Person, self).save() # Call the "real" save() method |
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parents:
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print "After save" |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
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|
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Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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def delete(self): |
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Todd Larsen <tlarsen@google.com>
parents:
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print "Before deletion" |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
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super(Person, self).delete() # Call the "real" delete() method |
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Todd Larsen <tlarsen@google.com>
parents:
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print "After deletion" |
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Todd Larsen <tlarsen@google.com>
parents:
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|
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parents:
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__test__ = {'API_TESTS':""" |
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parents:
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>>> p1 = Person(first_name='John', last_name='Smith') |
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parents:
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>>> p1.save() |
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Todd Larsen <tlarsen@google.com>
parents:
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Before save |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
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31 |
After save |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
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|
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parents:
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>>> Person.objects.all() |
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parents:
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[<Person: John Smith>] |
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parents:
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|
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parents:
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>>> p1.delete() |
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Todd Larsen <tlarsen@google.com>
parents:
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37 |
Before deletion |
620f9b141567
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Todd Larsen <tlarsen@google.com>
parents:
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38 |
After deletion |
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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|
620f9b141567
Load ../../google_appengine into trunk/thirdparty/google_appengine.
Todd Larsen <tlarsen@google.com>
parents:
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>>> Person.objects.all() |
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Todd Larsen <tlarsen@google.com>
parents:
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[] |
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Todd Larsen <tlarsen@google.com>
parents:
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42 |
"""} |