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Diffstat (limited to 'docs/api-guide/fields.md')
| -rw-r--r-- | docs/api-guide/fields.md | 55 |
1 files changed, 49 insertions, 6 deletions
diff --git a/docs/api-guide/fields.md b/docs/api-guide/fields.md index 5bc8f7f7..9a745cf1 100644 --- a/docs/api-guide/fields.md +++ b/docs/api-guide/fields.md @@ -2,7 +2,7 @@ # Serializer fields -> Each field in a Form class is responsible not only for validating data, but also for "cleaning" it -- normalizing it to a consistent format. +> Each field in a Form class is responsible not only for validating data, but also for "cleaning" it — normalizing it to a consistent format. > > — [Django documentation][cite] @@ -102,7 +102,7 @@ You can customize this behavior by overriding the `.to_native(self, value)` met ## WritableField -A field that supports both read and write operations. By itself `WriteableField` does not perform any translation of input values into a given type. You won't typically use this field directly, but you may want to override it and implement the `.to_native(self, value)` and `.from_native(self, value)` methods. +A field that supports both read and write operations. By itself `WritableField` does not perform any translation of input values into a given type. You won't typically use this field directly, but you may want to override it and implement the `.to_native(self, value)` and `.from_native(self, value)` methods. ## ModelField @@ -181,17 +181,56 @@ Corresponds to `django.forms.fields.RegexField` **Signature:** `RegexField(regex, max_length=None, min_length=None)` +## DateTimeField + +A date and time representation. + +Corresponds to `django.db.models.fields.DateTimeField` + +When using `ModelSerializer` or `HyperlinkedModelSerializer`, note that any model fields with `auto_now=True` or `auto_now_add=True` will use serializer fields that are `read_only=True` by default. + +If you want to override this behavior, you'll need to declare the `DateTimeField` explicitly on the serializer. For example: + + class CommentSerializer(serializers.ModelSerializer): + created = serializers.DateTimeField() + + class Meta: + model = Comment + +**Signature:** `DateTimeField(format=None, input_formats=None)` + +* `format` - A string representing the output format. If not specified, the `DATETIME_FORMAT` setting will be used, which defaults to `'iso-8601'`. +* `input_formats` - A list of strings representing the input formats which may be used to parse the date. If not specified, the `DATETIME_INPUT_FORMATS` setting will be used, which defaults to `['iso-8601']`. + +DateTime format strings may either be [python strftime formats][strftime] which explicitly specifiy the format, or the special string `'iso-8601'`, which indicates that [ISO 8601][iso8601] style datetimes should be used. (eg `'2013-01-29T12:34:56.000000'`) + ## DateField A date representation. Corresponds to `django.db.models.fields.DateField` -## DateTimeField +**Signature:** `DateField(format=None, input_formats=None)` -A date and time representation. +* `format` - A string representing the output format. If not specified, the `DATE_FORMAT` setting will be used, which defaults to `'iso-8601'`. +* `input_formats` - A list of strings representing the input formats which may be used to parse the date. If not specified, the `DATE_INPUT_FORMATS` setting will be used, which defaults to `['iso-8601']`. -Corresponds to `django.db.models.fields.DateTimeField` +Date format strings may either be [python strftime formats][strftime] which explicitly specifiy the format, or the special string `'iso-8601'`, which indicates that [ISO 8601][iso8601] style dates should be used. (eg `'2013-01-29'`) + +## TimeField + +A time representation. + +Optionally takes `format` as parameter to replace the matching pattern. + +Corresponds to `django.db.models.fields.TimeField` + +**Signature:** `TimeField(format=None, input_formats=None)` + +* `format` - A string representing the output format. If not specified, the `TIME_FORMAT` setting will be used, which defaults to `'iso-8601'`. +* `input_formats` - A list of strings representing the input formats which may be used to parse the date. If not specified, the `TIME_INPUT_FORMATS` setting will be used, which defaults to `['iso-8601']`. + +Time format strings may either be [python strftime formats][strftime] which explicitly specifiy the format, or the special string `'iso-8601'`, which indicates that [ISO 8601][iso8601] style times should be used. (eg `'12:34:56.000000'`) ## IntegerField @@ -230,7 +269,11 @@ Signature and validation is the same as with `FileField`. --- **Note:** `FileFields` and `ImageFields` are only suitable for use with MultiPartParser, since e.g. json doesn't support file uploads. -Django's regular [FILE_UPLOAD_HANDLERS] are used for handling uploaded files. +Django's regular [FILE_UPLOAD_HANDLERS] are used for handling uploaded files. + +--- [cite]: https://docs.djangoproject.com/en/dev/ref/forms/api/#django.forms.Form.cleaned_data [FILE_UPLOAD_HANDLERS]: https://docs.djangoproject.com/en/dev/ref/settings/#std:setting-FILE_UPLOAD_HANDLERS +[strftime]: http://docs.python.org/2/library/datetime.html#strftime-and-strptime-behavior +[iso8601]: http://www.w3.org/TR/NOTE-datetime |