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| author | Joseph Kocherhans <joseph@jkocherhans.com> | 2007-11-30 06:23:24 +0000 |
|---|---|---|
| committer | Joseph Kocherhans <joseph@jkocherhans.com> | 2007-11-30 06:23:24 +0000 |
| commit | c81b01e060ad80a5c4df579a96ff737df2d336b3 (patch) | |
| tree | d34a873e7b5e19f0e91424d4ab28e2f968233d63 /docs/custom_model_fields.txt | |
| parent | f88babafc58eafece72d3f2f7444336c69196808 (diff) | |
newforms-admin: Merged from trunk up to [6775].
git-svn-id: http://code.djangoproject.com/svn/django/branches/newforms-admin@6777 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Diffstat (limited to 'docs/custom_model_fields.txt')
| -rw-r--r-- | docs/custom_model_fields.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/custom_model_fields.txt b/docs/custom_model_fields.txt index c12d1844cd..74eb10aa82 100644 --- a/docs/custom_model_fields.txt +++ b/docs/custom_model_fields.txt @@ -56,7 +56,7 @@ would like to be able to things like this in our models (we assume the We assign to and retrieve from the ``hand`` attribute in our model just like any other Python class. The trick is to tell Django how to handle saving and -loading such an object +loading such an object. In order to use the ``Hand`` class in our models, we **do not** have to change this class at all. This is ideal, because it means you can easily write @@ -98,7 +98,7 @@ For our ``Hand`` example, we could convert the card data to a string of 104 characters by concatenating all the cards together in a pre-determined order. Say, all the *north* cards first, then the *east*, *south* and *west* cards, in that order. So ``Hand`` objects can be saved to text or character columns in -the database +the database. What does a field class do? --------------------------- @@ -233,9 +233,9 @@ sure your field subclass uses ``django.db.models.SubfieldBase`` as its metaclass. This ensures that the ``to_python()`` method, documented below_, will always be called when the attribute is initialised. -Our ``HandleField`` class now looks like this:: +Our ``HandField`` class now looks like this:: - class HandleField(models.Field): + class HandField(models.Field): __metaclass__ = models.SubfieldBase def __init__(self, *args, **kwargs): @@ -549,7 +549,7 @@ we can reuse some existing conversion code:: Some general advice -------------------- -Writing a custom field can be a tricky process sometime, particularly if you +Writing a custom field can be a tricky process sometimes, particularly if you are doing complex conversions between your Python types and your database and serialization formats. A couple of tips to make things go more smoothly: |