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import logging |
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from ckan.lib.base import BaseController, render, c, model, abort, request |
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from ckan.lib.base import redirect, _, config, h |
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import ckan.logic.action.create as create |
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import ckan.logic.action.update as update |
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import ckan.logic.action.get as get |
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from ckan.logic.converters import date_to_db, date_to_form, convert_to_extras, convert_from_extras |
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from ckan.lib.navl.dictization_functions import DataError, flatten_dict, unflatten |
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from ckan.logic import NotFound, NotAuthorized, ValidationError |
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from ckan.logic import tuplize_dict, clean_dict, parse_params |
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from ckan.logic.schema import package_form_schema |
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from ckan.plugins import IDatasetForm |
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from ckan.plugins import implements, SingletonPlugin |
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from ckan.lib.package_saver import PackageSaver |
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from ckan.lib.field_types import DateType, DateConvertError |
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from ckan.authz import Authorizer |
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from ckan.lib.navl.dictization_functions import Invalid |
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from ckanext.dgu.forms.package_gov_fields import GeoCoverageType |
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from ckan.lib.navl.dictization_functions import validate, missing |
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import ckan.logic.validators as val |
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import ckan.logic.schema as default_schema |
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from ckan.lib.navl.validators import (ignore_missing, |
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not_empty, |
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empty, |
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ignore, |
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keep_extras, |
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) |
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log = logging.getLogger(__name__) |
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geographic_granularity = [('', ''), |
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('national', 'national'), |
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('regional', 'regional'), |
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('local authority', 'local authority'), |
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('ward', 'ward'), |
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('point', 'point'), |
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('other', 'other - please specify')] |
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update_frequency = [('', ''), |
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('never', 'never'), |
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('discontinued', 'discontinued'), |
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('annual', 'annual'), |
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('quarterly', 'quarterly'), |
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('monthly', 'monthly'), |
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('other', 'other - please specify')] |
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temporal_granularity = [("",""), |
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("year","year"), |
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("quarter","quarter"), |
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("month","month"), |
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("week","week"), |
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("day","day"), |
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("hour","hour"), |
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("point","point"), |
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("other","other - please specify")] |
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class ExamplePackageController(SingletonPlugin): |
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implements(IDatasetForm, inherit=True) |
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def package_form(self): |
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return 'controller/package_plugin.html' |
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def is_fallback(self): |
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""" |
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Returns true iff this provides the fallback behaviour, when no other |
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plugin instance matches a package's type. |
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As this is not the fallback controller we should return False. If |
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we were wanting to act as the fallback, we'd return True |
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""" |
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return False |
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def package_types(self): |
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""" |
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Returns an iterable of package type strings. |
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If a request involving a package of one of those types is made, then |
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this plugin instance will be delegated to. |
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There must only be one plugin registered to each package type. Any |
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attempts to register more than one plugin instance to a given package |
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type will raise an exception at startup. |
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""" |
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return ["example"] |
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def _setup_template_variables(self, context, data_dict=None): |
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c.licences = [('', '')] + model.Package.get_license_options() |
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c.geographic_granularity = geographic_granularity |
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c.update_frequency = update_frequency |
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c.temporal_granularity = temporal_granularity |
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c.publishers = self.get_publishers() |
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c.is_sysadmin = Authorizer().is_sysadmin(c.user) |
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c.resource_columns = model.Resource.get_columns() |
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## This is messy as auths take domain object not data_dict |
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pkg = context.get('package') or c.pkg |
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if pkg: |
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c.auth_for_change_state = Authorizer().am_authorized( |
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c, model.Action.CHANGE_STATE, pkg) |
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def _form_to_db_schema(self): |
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schema = { |
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'title': [not_empty, unicode], |
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'name': [not_empty, unicode, val.name_validator, val.package_name_validator], |
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'notes': [not_empty, unicode], |
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'date_released': [date_to_db, convert_to_extras], |
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'date_updated': [date_to_db, convert_to_extras], |
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'date_update_future': [date_to_db, convert_to_extras], |
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'update_frequency': [use_other, unicode, convert_to_extras], |
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'update_frequency-other': [], |
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'precision': [unicode, convert_to_extras], |
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'geographic_granularity': [use_other, unicode, convert_to_extras], |
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'geographic_granularity-other': [], |
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'geographic_coverage': [ignore_missing, convert_geographic_to_db, convert_to_extras], |
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'temporal_granularity': [use_other, unicode, convert_to_extras], |
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'temporal_granularity-other': [], |
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'temporal_coverage-from': [date_to_db, convert_to_extras], |
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'temporal_coverage-to': [date_to_db, convert_to_extras], |
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'url': [unicode], |
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'taxonomy_url': [unicode, convert_to_extras], |
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'resources': default_schema.default_resource_schema(), |
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'published_by': [not_empty, unicode, convert_to_extras], |
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'published_via': [ignore_missing, unicode, convert_to_extras], |
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'author': [ignore_missing, unicode], |
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'author_email': [ignore_missing, unicode], |
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'mandate': [ignore_missing, unicode, convert_to_extras], |
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'license_id': [ignore_missing, unicode], |
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'tag_string': [ignore_missing, val.tag_string_convert], |
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'national_statistic': [ignore_missing, convert_to_extras], |
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'state': [val.ignore_not_admin, ignore_missing], |
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'log_message': [unicode, val.no_http], |
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'__extras': [ignore], |
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'__junk': [empty], |
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} |
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return schema |
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def _db_to_form_schema(data): |
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schema = { |
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'date_released': [convert_from_extras, ignore_missing, date_to_form], |
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'date_updated': [convert_from_extras, ignore_missing, date_to_form], |
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'date_update_future': [convert_from_extras, ignore_missing, date_to_form], |
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'update_frequency': [convert_from_extras, ignore_missing, extract_other(update_frequency)], |
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'precision': [convert_from_extras, ignore_missing], |
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'geographic_granularity': [convert_from_extras, ignore_missing, extract_other(geographic_granularity)], |
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'geographic_coverage': [convert_from_extras, ignore_missing, convert_geographic_to_form], |
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'temporal_granularity': [convert_from_extras, ignore_missing, extract_other(temporal_granularity)], |
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'temporal_coverage-from': [convert_from_extras, ignore_missing, date_to_form], |
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'temporal_coverage-to': [convert_from_extras, ignore_missing, date_to_form], |
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'taxonomy_url': [convert_from_extras, ignore_missing], |
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'resources': default_schema.default_resource_schema(), |
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'extras': { |
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'key': [], |
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'value': [], |
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'__extras': [keep_extras] |
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}, |
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'tags': { |
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'__extras': [keep_extras] |
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}, |
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'published_by': [convert_from_extras, ignore_missing], |
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'published_via': [convert_from_extras, ignore_missing], |
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'mandate': [convert_from_extras, ignore_missing], |
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'national_statistic': [convert_from_extras, ignore_missing], |
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'__extras': [keep_extras], |
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'__junk': [ignore], |
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} |
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return schema |
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def _check_data_dict(self, data_dict): |
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return |
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def get_publishers(self): |
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return [('pub1', 'pub2')] |
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def use_other(key, data, errors, context): |
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other_key = key[-1] + '-other' |
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other_value = data.get((other_key,), '').strip() |
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if other_value: |
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data[key] = other_value |
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def extract_other(option_list): |
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def other(key, data, errors, context): |
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value = data[key] |
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if value in dict(option_list).keys(): |
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return |
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elif value is missing: |
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data[key] = '' |
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return |
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else: |
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data[key] = 'other' |
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other_key = key[-1] + '-other' |
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data[(other_key,)] = value |
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return other |
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def convert_geographic_to_db(value, context): |
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if isinstance(value, list): |
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regions = value |
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elif value: |
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regions = [value] |
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else: |
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regions = [] |
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return GeoCoverageType.get_instance().form_to_db(regions) |
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def convert_geographic_to_form(value, context): |
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return GeoCoverageType.get_instance().db_to_form(value) |
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