[ckan-dev] DatasetForm-Plugin

Wed Aug 7 09:28:12 UTC 2013

Hi,

Looks like you are using the create schema on your update endpoint:

Instead of this:

  def update_package_schema(self):
            schema = superDatasetTestPluginself).create_package_schema()
            schema = self._modify_package_schema(schema)
            return schema

It should be this:

  def update_package_schema(self):
            schema = superDatasetTestPluginself).update_package_schema()
            schema = self._modify_package_schema(schema)
            return schema

Adrià

On 4 August 2013 22:44, gr n8 <gr8 at gmx.at> wrote:
> Does no one have any idea?
>
> kind regards!
>
> Gesendet: Mittwoch, 31. Juli 2013 um 23:00 Uhr
> Von: "gr n8" <gr8 at gmx.at>
> An: ckan-dev at lists.okfn.org
> Betreff: [ckan-dev] DatasetForm-Plugin
> Hi,
>
> I tried to develop a plugin which adds some extra fields to the
> package-schema. Once I activate the plugin and edit a dataset, I receive the
> following error when I click the "Next:Add Data" button.
>   "The form contains invalid entries:
>    - Id: The input field was not expected." -- but there is no more
> information in the log file.
>
> Furthermore, the schema of the package seems to be not affected (so the
> "testfield" is not being displayed in the json-rest-interface).
> My plugin consists only of two files, plugin.py and setup.py. Below you can
> find the code of them:
>
> plugin.py:
>     import ckan.plugins as p
>     import ckan.plugins.toolkit as tk
>     class DatasetTestPlugin(p.SingletonPlugin, tk.DefaultDatasetForm):
>         p.implements(p.IDatasetForm, inherit=False)
>
>         def package_types(self):
>             return []
>
>         def is_fallback(self):
>             return True
>
>         def _modify_package_schema(self, schema):
>             schema.update({'testfield':[tk.get_validator('ignore_missing'),
> tk.get_converter('convert_to_extras')]})
>             return schema
>         def create_package_schema(self):
>             schema = superDatasetTestPluginself).create_package_schema()
>             schema = self._modify_package_schema(schema)
>             return schema
>
>         def update_package_schema(self):
>             schema = superDatasetTestPluginself).create_package_schema()
>             schema = self._modify_package_schema(schema)
>             return schema
>         def show_package_schema(self):
>             schema = superDatasetTestPluginself).show_package_schema()
>
> schema.update({'testfield':[tk.get_converter('convert_from_extras'),
> tk.get_validator('ignore_missing')]})
>             return schema
>
> setup.py
>
>     from setuptools import setup, find_packages
>     import sys, os
>     version = '0.1'
>     setup(
>         name='ckanext-testExtension',
>         version=version,
>         description="Custom Form Plugin",
>         long_description="""\
>         """,
>         classifiers=[], # Get strings from
> http://pypi.python.org/pypi?%3Aaction=list_classifiers
>         keywords='',
>         author='',
>         author_email='xxx',
>         url='',
>         license='',
>         packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
>         namespace_packages=['ckanext', 'ckanext.testExtension'],
>         include_package_data=True,
>         zip_safe=False,
>         install_requires=[
>         # -*- Extra requirements: -*-
>         ],
>         entry_points=\
>         """
>                 [ckan.plugins]
>             testPlugin=ckanext.testExtension.plugin:DatasetTestPlugin
>         """,
> )
> Could you possibly tell me what´s wrong with my plugin? Why is the schema
> not affected and why is it raising a form-validation-error?
> kind regards
>
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