[ckan-dev] Problem registering plugin that implements IDatasetForm interface

Wed Jun 6 13:06:53 UTC 2012

No, I hadn't. :( See I knew it was something trivial like that. Thank you
very much!

On 6/6/12 5:31 AM, "Sean Hammond" <sean.hammond at okfn.org> wrote:

>Have you enabled your plugin in your ini file (e.g. development.ini)?
>
>On Tue, Jun 05, 2012 at 04:01:17PM -0400, Haq, Salman wrote:
>> I am working on an extension that has three plugins (DataSourcePlugin,
>>DataSourcePackageController, and DataSourceDatasetForm) that implement
>>various interfaces.
>> One of those plugins implements the IDatasetForm interface
>>(DataSourceDatasetForm), however it is not being registered with the
>>plugin environment.
>> I know this for a fact because calling `PluginGlobals.pprint` from
>>inside one of my controller actions pretty prints the list of installed
>>plugins and the plugin in question is not listed.
>> 
>> Snippet from setup.py:
>> 
>> entry_points=\
>> """
>>         [ckan.plugins]
>>    datasource = ckanext.datasource.plugin:DataSourcePlugin
>>    datasource_form = ckanext.datasource.forms:DataSourceDatasetForm
>>    datasource_controller =
>>ckanext.datasource.controller:DataSourcePackageController
>> 
>> """,
>> 
>> And the relevant snippet from ckanext/datasource/forms.py:
>> 
>> class DataSourceDatasetForm (SingletonPlugin, DefaultDatasetForm):
>> 
>>     implements(IDatasetForm, inherit=True)
>> 
>>     def is_fallback(self):
>>         log.info('is_fallback')
>>         return True
>> 
>>     def package_types(self):
>>         log.info('package_types')
>>         return ["dataset"]
>> 
>>     def setup_template_variables(self, context, data_dict=None):
>>         log.info('setup_template_variables')
>>         log.debug(context)
>>         log.debug(data_dict)
>>         log.debug(c)
>> 
>> None of above log statements get called at any point.
>> 
>> The full output from PluginGlobals.pprint:
>> 
>> --------------------------------------------------------------
>>  Registered Environments
>> --------------------------------------------------------------
>>  <default>
>>  pca
>> 
>> --------------------------------------------------------------
>>  Environment Stack
>> --------------------------------------------------------------
>>  Level=1  name=<default>
>>  Level=2  name=pca
>> 
>> --------------------------------------------------------------
>>  Interfaces Declared
>> --------------------------------------------------------------
>>  IActions
>>  IAuthFunctions
>>  IAuthorizer
>>  IConfigurable
>>  IConfigurer
>>  IDatasetForm
>>  IDomainObjectModification
>>  IGenshiStreamFilter
>>  IGroupController
>>  IGroupForm
>>  IIgnorePluginWhenLoading
>>  IMapper
>>  IMiddleware
>>  IPackageController
>>  IPluginLoadPath
>>  IPluginLoader
>>  IPluginObserver
>>  IResourceUrlChange
>>  IRoutes
>>  ISession
>>  ITagController
>>  ITemplateHelpers
>> 
>> --------------------------------------------------------------
>>  Registered Plugins by Interface
>> --------------------------------------------------------------
>>  IActions
>>      None
>> 
>>  IAuthFunctions
>>      None
>> 
>>  IAuthorizer
>>      None
>> 
>>  IConfigurable
>>      ArchiverPlugin
>>      DataSourcePlugin
>>  IConfigurer
>>      DataSourcePlugin
>>      MetaDataHub
>>      StatsPlugin
>> 
>>  IDatasetForm
>>      None
>> 
>>  IDomainObjectModification
>>      ArchiverPlugin
>>      SynchronousSearchPlugin
>>      WebstorerPlugin
>> 
>>  IGenshiStreamFilter
>>      DataSourcePlugin
>> 
>>  IGroupController
>>      None
>> 
>>  IGroupForm
>>      None
>> 
>>  IIgnorePluginWhenLoading
>>      IgnorePluginPlugins
>>  IMapper
>>      None
>> 
>>  IMiddleware
>>      None
>> 
>>  IPackageController
>>      DataSourcePackageController
>> 
>>  IPluginLoadPath
>>      None
>> 
>>  IPluginLoader
>>      None
>> 
>>  IPluginObserver
>>      None
>> 
>>  IResourceUrlChange
>>      ArchiverPlugin
>>      WebstorerPlugin
>> 
>>  IRoutes
>>      DataSourcePlugin
>>      StatsPlugin
>> 
>>  ISession
>>      DomainObjectModificationExtension
>> 
>>  ITagController
>>      None
>> 
>>  ITemplateHelpers
>>      None
>> 
>> --------------------------------------------------------------
>>  Registered Plugins by Python Module
>> --------------------------------------------------------------
>>  ckan.lib.search
>>      SynchronousSearchPlugin
>> 
>>  ckan.model.modification
>>      DomainObjectModificationExtension
>> 
>>  ckanext.archiver.plugin
>>      ArchiverPlugin
>> 
>>  ckanext.datasource.controller
>>      DataSourcePackageController
>> 
>>  ckanext.datasource.plugin
>>      DataSourcePlugin
>> 
>>  ckanext.datastorer.plugin
>>      WebstorerPlugin
>> 
>>  ckanext.metadatahub.plugin
>>      MetaDataHub
>> 
>>  ckanext.stats.plugin
>>      StatsPlugin
>> 
>>  pyutilib.component.core
>>      IgnorePluginPlugins
>> 
>> --------------------------------------------------------------
>>  Services for Registered Environments
>> --------------------------------------------------------------
>>  Services for Environment '<default>'
>>    None
>> 
>>  Services for Environment 'pca'
>>    <Plugin ArchiverPlugin>  (4*)
>>    <Plugin DataSourcePackageController>  (9*)
>>    <Plugin DataSourcePlugin>  (7*)
>>    <Plugin DomainObjectModificationExtension>  (8*)
>>    <Plugin MetaDataHub>  (6*)
>>    <Plugin StatsPlugin>  (3*)
>>    <Plugin SynchronousSearchPlugin>  (2*)
>>    <Plugin WebstorerPlugin>  (5*)
>> --------------------------------------------------------------
>> 
>> Is this enough information to identify that missing link?
>> 
>> Thanks,
>> Salman
>> 
>> 
>> 
>
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>> ckan-dev mailing list
>> ckan-dev at lists.okfn.org
>> http://lists.okfn.org/mailman/listinfo/ckan-dev
>
>
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