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package.py
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package.py
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# encoding: utf-8
import logging
from urllib import urlencode
import datetime
import mimetypes
import cgi
from ckan.common import config
from paste.deploy.converters import asbool
import paste.fileapp
import ckan.logic as logic
import ckan.lib.base as base
import ckan.lib.i18n as i18n
import ckan.lib.maintain as maintain
import ckan.lib.navl.dictization_functions as dict_fns
import ckan.lib.helpers as h
import ckan.model as model
import ckan.lib.datapreview as datapreview
import ckan.lib.plugins
import ckan.lib.uploader as uploader
import ckan.plugins as p
import ckan.lib.render
from ckan.common import OrderedDict, _, json, request, c, response
from home import CACHE_PARAMETERS
log = logging.getLogger(__name__)
render = base.render
abort = base.abort
NotFound = logic.NotFound
NotAuthorized = logic.NotAuthorized
ValidationError = logic.ValidationError
check_access = logic.check_access
get_action = logic.get_action
tuplize_dict = logic.tuplize_dict
clean_dict = logic.clean_dict
parse_params = logic.parse_params
flatten_to_string_key = logic.flatten_to_string_key
lookup_package_plugin = ckan.lib.plugins.lookup_package_plugin
def _encode_params(params):
return [(k, v.encode('utf-8') if isinstance(v, basestring) else str(v))
for k, v in params]
def url_with_params(url, params):
params = _encode_params(params)
return url + u'?' + urlencode(params)
def search_url(params, package_type=None):
if not package_type or package_type == 'dataset':
url = h.url_for(controller='package', action='search')
else:
url = h.url_for('{0}_search'.format(package_type))
return url_with_params(url, params)
class PackageController(base.BaseController):
def _package_form(self, package_type=None):
return lookup_package_plugin(package_type).package_form()
def _setup_template_variables(self, context, data_dict, package_type=None):
return lookup_package_plugin(package_type).\
setup_template_variables(context, data_dict)
def _new_template(self, package_type):
return lookup_package_plugin(package_type).new_template()
def _edit_template(self, package_type):
return lookup_package_plugin(package_type).edit_template()
def _search_template(self, package_type):
return lookup_package_plugin(package_type).search_template()
def _read_template(self, package_type):
return lookup_package_plugin(package_type).read_template()
def _history_template(self, package_type):
return lookup_package_plugin(package_type).history_template()
def _resource_form(self, package_type):
# backwards compatibility with plugins not inheriting from
# DefaultDatasetPlugin and not implmenting resource_form
plugin = lookup_package_plugin(package_type)
if hasattr(plugin, 'resource_form'):
result = plugin.resource_form()
if result is not None:
return result
return lookup_package_plugin().resource_form()
def _resource_template(self, package_type):
# backwards compatibility with plugins not inheriting from
# DefaultDatasetPlugin and not implmenting resource_template
plugin = lookup_package_plugin(package_type)
if hasattr(plugin, 'resource_template'):
result = plugin.resource_template()
if result is not None:
return result
return lookup_package_plugin().resource_template()
def _guess_package_type(self, expecting_name=False):
"""
Guess the type of package from the URL handling the case
where there is a prefix on the URL (such as /data/package)
"""
# Special case: if the rot URL '/' has been redirected to the package
# controller (e.g. by an IRoutes extension) then there's nothing to do
# here.
if request.path == '/':
return 'dataset'
parts = [x for x in request.path.split('/') if x]
idx = -1
if expecting_name:
idx = -2
pt = parts[idx]
if pt == 'package':
pt = 'dataset'
return pt
def search(self):
from ckan.lib.search import SearchError, SearchQueryError
package_type = self._guess_package_type()
try:
context = {'model': model, 'user': c.user,
'auth_user_obj': c.userobj}
check_access('site_read', context)
except NotAuthorized:
abort(403, _('Not authorized to see this page'))
# unicode format (decoded from utf8)
q = c.q = request.params.get('q', u'')
c.query_error = False
page = h.get_page_number(request.params)
limit = int(config.get('ckan.datasets_per_page', 20))
# most search operations should reset the page counter:
params_nopage = [(k, v) for k, v in request.params.items()
if k != 'page']
def drill_down_url(alternative_url=None, **by):
return h.add_url_param(alternative_url=alternative_url,
controller='package', action='search',
new_params=by)
c.drill_down_url = drill_down_url
def remove_field(key, value=None, replace=None):
return h.remove_url_param(key, value=value, replace=replace,
controller='package', action='search')
c.remove_field = remove_field
sort_by = request.params.get('sort', None)
params_nosort = [(k, v) for k, v in params_nopage if k != 'sort']
def _sort_by(fields):
"""
Sort by the given list of fields.
Each entry in the list is a 2-tuple: (fieldname, sort_order)
eg - [('metadata_modified', 'desc'), ('name', 'asc')]
If fields is empty, then the default ordering is used.
"""
params = params_nosort[:]
if fields:
sort_string = ', '.join('%s %s' % f for f in fields)
params.append(('sort', sort_string))
return search_url(params, package_type)
c.sort_by = _sort_by
if not sort_by:
c.sort_by_fields = []
else:
c.sort_by_fields = [field.split()[0]
for field in sort_by.split(',')]
def pager_url(q=None, page=None):
params = list(params_nopage)
params.append(('page', page))
return search_url(params, package_type)
c.search_url_params = urlencode(_encode_params(params_nopage))
try:
c.fields = []
# c.fields_grouped will contain a dict of params containing
# a list of values eg {'tags':['tag1', 'tag2']}
c.fields_grouped = {}
search_extras = {}
fq = ''
for (param, value) in request.params.items():
if param not in ['q', 'page', 'sort'] \
and len(value) and not param.startswith('_'):
if not param.startswith('ext_'):
c.fields.append((param, value))
fq += ' %s:"%s"' % (param, value)
if param not in c.fields_grouped:
c.fields_grouped[param] = [value]
else:
c.fields_grouped[param].append(value)
else:
search_extras[param] = value
context = {'model': model, 'session': model.Session,
'user': c.user, 'for_view': True,
'auth_user_obj': c.userobj}
if package_type and package_type != 'dataset':
# Only show datasets of this particular type
fq += ' +dataset_type:{type}'.format(type=package_type)
else:
# Unless changed via config options, don't show non standard
# dataset types on the default search page
if not asbool(
config.get('ckan.search.show_all_types', 'False')):
fq += ' +dataset_type:dataset'
facets = OrderedDict()
default_facet_titles = {
'organization': _('Organizations'),
'groups': _('Groups'),
'tags': _('Tags'),
'res_format': _('Formats'),
'license_id': _('Licenses'),
}
for facet in h.facets():
if facet in default_facet_titles:
facets[facet] = default_facet_titles[facet]
else:
facets[facet] = facet
# Facet titles
for plugin in p.PluginImplementations(p.IFacets):
facets = plugin.dataset_facets(facets, package_type)
c.facet_titles = facets
data_dict = {
'q': q,
'fq': fq.strip(),
'facet.field': facets.keys(),
'rows': limit,
'start': (page - 1) * limit,
'sort': sort_by,
'extras': search_extras,
'include_private': asbool(config.get(
'ckan.search.default_include_private', True)),
}
query = get_action('package_search')(context, data_dict)
c.sort_by_selected = query['sort']
c.page = h.Page(
collection=query['results'],
page=page,
url=pager_url,
item_count=query['count'],
items_per_page=limit
)
c.search_facets = query['search_facets']
c.page.items = query['results']
except SearchQueryError, se:
# User's search parameters are invalid, in such a way that is not
# achievable with the web interface, so return a proper error to
# discourage spiders which are the main cause of this.
log.info('Dataset search query rejected: %r', se.args)
abort(400, _('Invalid search query: {error_message}')
.format(error_message=str(se)))
except SearchError, se:
# May be bad input from the user, but may also be more serious like
# bad code causing a SOLR syntax error, or a problem connecting to
# SOLR
log.error('Dataset search error: %r', se.args)
c.query_error = True
c.search_facets = {}
c.page = h.Page(collection=[])
c.search_facets_limits = {}
for facet in c.search_facets.keys():
try:
limit = int(request.params.get('_%s_limit' % facet,
int(config.get('search.facets.default', 10))))
except ValueError:
abort(400, _('Parameter "{parameter_name}" is not '
'an integer').format(
parameter_name='_%s_limit' % facet))
c.search_facets_limits[facet] = limit
self._setup_template_variables(context, {},
package_type=package_type)
return render(self._search_template(package_type),
extra_vars={'dataset_type': package_type})
def resources(self, id):
context = {'model': model, 'session': model.Session,
'user': c.user, 'for_view': True,
'auth_user_obj': c.userobj}
data_dict = {'id': id, 'include_tracking': True}
try:
check_access('package_update', context, data_dict)
except NotFound:
abort(404, _('Dataset not found'))
except NotAuthorized:
abort(403, _('User %r not authorized to edit %s') % (c.user, id))
# check if package exists
try:
c.pkg_dict = get_action('package_show')(context, data_dict)
c.pkg = context['package']
except (NotFound, NotAuthorized):
abort(404, _('Dataset not found'))
package_type = c.pkg_dict['type'] or 'dataset'
self._setup_template_variables(context, {'id': id},
package_type=package_type)
return render('package/resources.html',
extra_vars={'dataset_type': package_type})
def read(self, id):
context = {'model': model, 'session': model.Session,
'user': c.user, 'for_view': True,
'auth_user_obj': c.userobj}
data_dict = {'id': id, 'include_tracking': True}
# interpret @<revision_id> or @<date> suffix
split = id.split('@')
if len(split) == 2:
data_dict['id'], revision_ref = split
if model.is_id(revision_ref):
context['revision_id'] = revision_ref
else:
try:
date = h.date_str_to_datetime(revision_ref)
context['revision_date'] = date
except TypeError, e:
abort(400, _('Invalid revision format: %r') % e.args)
except ValueError, e:
abort(400, _('Invalid revision format: %r') % e.args)
elif len(split) > 2:
abort(400, _('Invalid revision format: %r') %
'Too many "@" symbols')
# check if package exists
try:
c.pkg_dict = get_action('package_show')(context, data_dict)
c.pkg = context['package']
except (NotFound, NotAuthorized):
abort(404, _('Dataset not found'))
# used by disqus plugin
c.current_package_id = c.pkg.id
# can the resources be previewed?
for resource in c.pkg_dict['resources']:
# Backwards compatibility with preview interface
resource['can_be_previewed'] = self._resource_preview(
{'resource': resource, 'package': c.pkg_dict})
resource_views = get_action('resource_view_list')(
context, {'id': resource['id']})
resource['has_views'] = len(resource_views) > 0
package_type = c.pkg_dict['type'] or 'dataset'
self._setup_template_variables(context, {'id': id},
package_type=package_type)
template = self._read_template(package_type)
try:
return render(template,
extra_vars={'dataset_type': package_type})
except ckan.lib.render.TemplateNotFound:
msg = _("Viewing {package_type} datasets in {format} format is "
"not supported (template file {file} not found).".format(
package_type=package_type, format=format,
file=template))
abort(404, msg)
assert False, "We should never get here"
def history(self, id):
if 'diff' in request.params or 'selected1' in request.params:
try:
params = {'id': request.params.getone('pkg_name'),
'diff': request.params.getone('selected1'),
'oldid': request.params.getone('selected2'),
}
except KeyError:
if 'pkg_name' in dict(request.params):
id = request.params.getone('pkg_name')
c.error = \
_('Select two revisions before doing the comparison.')
else:
params['diff_entity'] = 'package'
h.redirect_to(controller='revision', action='diff', **params)
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj,
'for_view': True}
data_dict = {'id': id}
try:
c.pkg_dict = get_action('package_show')(context, data_dict)
c.pkg_revisions = get_action('package_revision_list')(context,
data_dict)
# TODO: remove
# Still necessary for the authz check in group/layout.html
c.pkg = context['package']
except NotAuthorized:
abort(403, _('Unauthorized to read package %s') % '')
except NotFound:
abort(404, _('Dataset not found'))
format = request.params.get('format', '')
if format == 'atom':
# Generate and return Atom 1.0 document.
from webhelpers.feedgenerator import Atom1Feed
feed = Atom1Feed(
title=_(u'CKAN Dataset Revision History'),
link=h.url_for(controller='revision', action='read',
id=c.pkg_dict['name']),
description=_(u'Recent changes to CKAN Dataset: ') +
(c.pkg_dict['title'] or ''),
language=unicode(i18n.get_lang()),
)
for revision_dict in c.pkg_revisions:
revision_date = h.date_str_to_datetime(
revision_dict['timestamp'])
try:
dayHorizon = int(request.params.get('days'))
except:
dayHorizon = 30
dayAge = (datetime.datetime.now() - revision_date).days
if dayAge >= dayHorizon:
break
if revision_dict['message']:
item_title = u'%s' % revision_dict['message'].\
split('\n')[0]
else:
item_title = u'%s' % revision_dict['id']
item_link = h.url_for(controller='revision', action='read',
id=revision_dict['id'])
item_description = _('Log message: ')
item_description += '%s' % (revision_dict['message'] or '')
item_author_name = revision_dict['author']
item_pubdate = revision_date
feed.add_item(
title=item_title,
link=item_link,
description=item_description,
author_name=item_author_name,
pubdate=item_pubdate,
)
response.headers['Content-Type'] = 'application/atom+xml'
return feed.writeString('utf-8')
package_type = c.pkg_dict['type'] or 'dataset'
return render(
self._history_template(c.pkg_dict.get('type', package_type)),
extra_vars={'dataset_type': package_type})
def new(self, data=None, errors=None, error_summary=None):
if data and 'type' in data:
package_type = data['type']
else:
package_type = self._guess_package_type(True)
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj,
'save': 'save' in request.params}
# Package needs to have a organization group in the call to
# check_access and also to save it
try:
check_access('package_create', context)
except NotAuthorized:
abort(403, _('Unauthorized to create a package'))
if context['save'] and not data:
return self._save_new(context, package_type=package_type)
data = data or clean_dict(dict_fns.unflatten(tuplize_dict(parse_params(
request.params, ignore_keys=CACHE_PARAMETERS))))
c.resources_json = h.json.dumps(data.get('resources', []))
# convert tags if not supplied in data
if data and not data.get('tag_string'):
data['tag_string'] = ', '.join(
h.dict_list_reduce(data.get('tags', {}), 'name'))
errors = errors or {}
error_summary = error_summary or {}
# in the phased add dataset we need to know that
# we have already completed stage 1
stage = ['active']
if data.get('state', '').startswith('draft'):
stage = ['active', 'complete']
# if we are creating from a group then this allows the group to be
# set automatically
data['group_id'] = request.params.get('group') or \
request.params.get('groups__0__id')
form_snippet = self._package_form(package_type=package_type)
form_vars = {'data': data, 'errors': errors,
'error_summary': error_summary,
'action': 'new', 'stage': stage,
'dataset_type': package_type,
}
c.errors_json = h.json.dumps(errors)
self._setup_template_variables(context, {},
package_type=package_type)
new_template = self._new_template(package_type)
return render(new_template,
extra_vars={'form_vars': form_vars,
'form_snippet': form_snippet,
'dataset_type': package_type})
def resource_edit(self, id, resource_id, data=None, errors=None,
error_summary=None):
if request.method == 'POST' and not data:
data = data or \
clean_dict(dict_fns.unflatten(tuplize_dict(parse_params(
request.POST))))
# we don't want to include save as it is part of the form
del data['save']
context = {'model': model, 'session': model.Session,
'api_version': 3, 'for_edit': True,
'user': c.user, 'auth_user_obj': c.userobj}
data['package_id'] = id
try:
if resource_id:
data['id'] = resource_id
get_action('resource_update')(context, data)
else:
get_action('resource_create')(context, data)
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
return self.resource_edit(id, resource_id, data,
errors, error_summary)
except NotAuthorized:
abort(403, _('Unauthorized to edit this resource'))
h.redirect_to(controller='package', action='resource_read', id=id,
resource_id=resource_id)
context = {'model': model, 'session': model.Session,
'api_version': 3, 'for_edit': True,
'user': c.user, 'auth_user_obj': c.userobj}
pkg_dict = get_action('package_show')(context, {'id': id})
if pkg_dict['state'].startswith('draft'):
# dataset has not yet been fully created
resource_dict = get_action('resource_show')(context,
{'id': resource_id})
return self.new_resource(id, data=resource_dict)
# resource is fully created
try:
resource_dict = get_action('resource_show')(context,
{'id': resource_id})
except NotFound:
abort(404, _('Resource not found'))
c.pkg_dict = pkg_dict
c.resource = resource_dict
# set the form action
c.form_action = h.url_for(controller='package',
action='resource_edit',
resource_id=resource_id,
id=id)
if not data:
data = resource_dict
package_type = pkg_dict['type'] or 'dataset'
errors = errors or {}
error_summary = error_summary or {}
vars = {'data': data, 'errors': errors,
'error_summary': error_summary, 'action': 'edit',
'resource_form_snippet': self._resource_form(package_type),
'dataset_type': package_type}
return render('package/resource_edit.html', extra_vars=vars)
def new_resource(self, id, data=None, errors=None, error_summary=None):
''' FIXME: This is a temporary action to allow styling of the
forms. '''
if request.method == 'POST' and not data:
save_action = request.params.get('save')
data = data or \
clean_dict(dict_fns.unflatten(tuplize_dict(parse_params(
request.POST))))
# we don't want to include save as it is part of the form
del data['save']
resource_id = data['id']
del data['id']
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj}
# see if we have any data that we are trying to save
data_provided = False
for key, value in data.iteritems():
if ((value or isinstance(value, cgi.FieldStorage))
and key != 'resource_type'):
data_provided = True
break
if not data_provided and save_action != "go-dataset-complete":
if save_action == 'go-dataset':
# go to final stage of adddataset
h.redirect_to(controller='package', action='edit', id=id)
# see if we have added any resources
try:
data_dict = get_action('package_show')(context, {'id': id})
except NotAuthorized:
abort(403, _('Unauthorized to update dataset'))
except NotFound:
abort(404, _('The dataset {id} could not be found.'
).format(id=id))
if not len(data_dict['resources']):
# no data so keep on page
msg = _('You must add at least one data resource')
# On new templates do not use flash message
if asbool(config.get('ckan.legacy_templates')):
h.flash_error(msg)
h.redirect_to(controller='package',
action='new_resource', id=id)
else:
errors = {}
error_summary = {_('Error'): msg}
return self.new_resource(id, data, errors,
error_summary)
# XXX race condition if another user edits/deletes
data_dict = get_action('package_show')(context, {'id': id})
get_action('package_update')(
dict(context, allow_state_change=True),
dict(data_dict, state='active'))
h.redirect_to(controller='package', action='read', id=id)
data['package_id'] = id
try:
if resource_id:
data['id'] = resource_id
get_action('resource_update')(context, data)
else:
get_action('resource_create')(context, data)
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
return self.new_resource(id, data, errors, error_summary)
except NotAuthorized:
abort(403, _('Unauthorized to create a resource'))
except NotFound:
abort(404, _('The dataset {id} could not be found.'
).format(id=id))
if save_action == 'go-metadata':
# XXX race condition if another user edits/deletes
data_dict = get_action('package_show')(context, {'id': id})
get_action('package_update')(
dict(context, allow_state_change=True),
dict(data_dict, state='active'))
h.redirect_to(controller='package', action='read', id=id)
elif save_action == 'go-dataset':
# go to first stage of add dataset
h.redirect_to(controller='package', action='edit', id=id)
elif save_action == 'go-dataset-complete':
# go to first stage of add dataset
h.redirect_to(controller='package', action='read', id=id)
else:
# add more resources
h.redirect_to(controller='package', action='new_resource',
id=id)
# get resources for sidebar
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj}
try:
pkg_dict = get_action('package_show')(context, {'id': id})
except NotFound:
abort(404, _('The dataset {id} could not be found.').format(id=id))
try:
check_access(
'resource_create', context, {"package_id": pkg_dict["id"]})
except NotAuthorized:
abort(403, _('Unauthorized to create a resource for this package'))
package_type = pkg_dict['type'] or 'dataset'
errors = errors or {}
error_summary = error_summary or {}
vars = {'data': data, 'errors': errors,
'error_summary': error_summary, 'action': 'new',
'resource_form_snippet': self._resource_form(package_type),
'dataset_type': package_type}
vars['pkg_name'] = id
# required for nav menu
vars['pkg_dict'] = pkg_dict
template = 'package/new_resource_not_draft.html'
if pkg_dict['state'].startswith('draft'):
vars['stage'] = ['complete', 'active']
template = 'package/new_resource.html'
return render(template, extra_vars=vars)
def edit(self, id, data=None, errors=None, error_summary=None):
package_type = self._get_package_type(id)
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj,
'save': 'save' in request.params}
if context['save'] and not data:
return self._save_edit(id, context, package_type=package_type)
try:
c.pkg_dict = get_action('package_show')(dict(context,
for_view=True),
{'id': id})
context['for_edit'] = True
old_data = get_action('package_show')(context, {'id': id})
# old data is from the database and data is passed from the
# user if there is a validation error. Use users data if there.
if data:
old_data.update(data)
data = old_data
except (NotFound, NotAuthorized):
abort(404, _('Dataset not found'))
# are we doing a multiphase add?
if data.get('state', '').startswith('draft'):
c.form_action = h.url_for(controller='package', action='new')
c.form_style = 'new'
return self.new(data=data, errors=errors,
error_summary=error_summary)
c.pkg = context.get("package")
c.resources_json = h.json.dumps(data.get('resources', []))
try:
check_access('package_update', context)
except NotAuthorized:
abort(403, _('User %r not authorized to edit %s') % (c.user, id))
# convert tags if not supplied in data
if data and not data.get('tag_string'):
data['tag_string'] = ', '.join(h.dict_list_reduce(
c.pkg_dict.get('tags', {}), 'name'))
errors = errors or {}
form_snippet = self._package_form(package_type=package_type)
form_vars = {'data': data, 'errors': errors,
'error_summary': error_summary, 'action': 'edit',
'dataset_type': package_type,
}
c.errors_json = h.json.dumps(errors)
self._setup_template_variables(context, {'id': id},
package_type=package_type)
# we have already completed stage 1
form_vars['stage'] = ['active']
if data.get('state', '').startswith('draft'):
form_vars['stage'] = ['active', 'complete']
edit_template = self._edit_template(package_type)
return render(edit_template,
extra_vars={'form_vars': form_vars,
'form_snippet': form_snippet,
'dataset_type': package_type})
def read_ajax(self, id, revision=None):
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj,
'revision_id': revision}
try:
data = get_action('package_show')(context, {'id': id})
except (NotFound, NotAuthorized):
abort(404, _('Dataset not found'))
data.pop('tags')
data = flatten_to_string_key(data)
response.headers['Content-Type'] = 'application/json;charset=utf-8'
return h.json.dumps(data)
def history_ajax(self, id):
context = {'model': model, 'session': model.Session,
'user': c.user, 'auth_user_obj': c.userobj}
data_dict = {'id': id}
try:
pkg_revisions = get_action('package_revision_list')(
context, data_dict)
except NotAuthorized:
abort(403, _('Unauthorized to read package %s') % '')
except NotFound:
abort(404, _('Dataset not found'))
data = []
approved = False
for num, revision in enumerate(pkg_revisions):
if not approved and revision['approved_timestamp']:
current_approved, approved = True, True
else:
current_approved = False
data.append({'revision_id': revision['id'],
'message': revision['message'],
'timestamp': revision['timestamp'],
'author': revision['author'],
'approved': bool(revision['approved_timestamp']),
'current_approved': current_approved})
response.headers['Content-Type'] = 'application/json;charset=utf-8'
return h.json.dumps(data)
def _get_package_type(self, id):
"""
Given the id of a package this method will return the type of the
package, or 'dataset' if no type is currently set
"""
pkg = model.Package.get(id)
if pkg:
return pkg.type or 'dataset'
return None
def _tag_string_to_list(self, tag_string):
''' This is used to change tags from a sting to a list of dicts '''
out = []
for tag in tag_string.split(','):
tag = tag.strip()
if tag:
out.append({'name': tag,
'state': 'active'})
return out
def _save_new(self, context, package_type=None):
# The staged add dataset used the new functionality when the dataset is
# partially created so we need to know if we actually are updating or
# this is a real new.
is_an_update = False
ckan_phase = request.params.get('_ckan_phase')
from ckan.lib.search import SearchIndexError
try:
data_dict = clean_dict(dict_fns.unflatten(
tuplize_dict(parse_params(request.POST))))
if ckan_phase:
# prevent clearing of groups etc
context['allow_partial_update'] = True
# sort the tags
if 'tag_string' in data_dict:
data_dict['tags'] = self._tag_string_to_list(
data_dict['tag_string'])
if data_dict.get('pkg_name'):
is_an_update = True
# This is actually an update not a save
data_dict['id'] = data_dict['pkg_name']
del data_dict['pkg_name']
# don't change the dataset state
data_dict['state'] = 'draft'
# this is actually an edit not a save
pkg_dict = get_action('package_update')(context, data_dict)
if request.params['save'] == 'go-metadata':
# redirect to add metadata
url = h.url_for(controller='package',
action='new_metadata',
id=pkg_dict['name'])
else:
# redirect to add dataset resources
url = h.url_for(controller='package',
action='new_resource',
id=pkg_dict['name'])
h.redirect_to(url)
# Make sure we don't index this dataset
if request.params['save'] not in ['go-resource',
'go-metadata']:
data_dict['state'] = 'draft'
# allow the state to be changed
context['allow_state_change'] = True
data_dict['type'] = package_type
context['message'] = data_dict.get('log_message', '')
pkg_dict = get_action('package_create')(context, data_dict)
if ckan_phase:
# redirect to add dataset resources
url = h.url_for(controller='package',
action='new_resource',
id=pkg_dict['name'])
h.redirect_to(url)
self._form_save_redirect(pkg_dict['name'], 'new',
package_type=package_type)
except NotAuthorized:
abort(403, _('Unauthorized to read package %s') % '')
except NotFound, e:
abort(404, _('Dataset not found'))
except dict_fns.DataError:
abort(400, _(u'Integrity Error'))
except SearchIndexError, e:
try:
exc_str = unicode(repr(e.args))
except Exception: # We don't like bare excepts
exc_str = unicode(str(e))
abort(500, _(u'Unable to add package to search index.') + exc_str)
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
if is_an_update:
# we need to get the state of the dataset to show the stage we
# are on.
pkg_dict = get_action('package_show')(context, data_dict)
data_dict['state'] = pkg_dict['state']
return self.edit(data_dict['id'], data_dict,
errors, error_summary)
data_dict['state'] = 'none'
return self.new(data_dict, errors, error_summary)
def _save_edit(self, name_or_id, context, package_type=None):
from ckan.lib.search import SearchIndexError
log.debug('Package save request name: %s POST: %r',
name_or_id, request.POST)
try:
data_dict = clean_dict(dict_fns.unflatten(
tuplize_dict(parse_params(request.POST))))
if '_ckan_phase' in data_dict:
# we allow partial updates to not destroy existing resources
context['allow_partial_update'] = True
if 'tag_string' in data_dict:
data_dict['tags'] = self._tag_string_to_list(
data_dict['tag_string'])
del data_dict['_ckan_phase']
del data_dict['save']
context['message'] = data_dict.get('log_message', '')
data_dict['id'] = name_or_id
pkg = get_action('package_update')(context, data_dict)
c.pkg = context['package']
c.pkg_dict = pkg
self._form_save_redirect(pkg['name'], 'edit',
package_type=package_type)
except NotAuthorized:
abort(403, _('Unauthorized to read package %s') % id)
except NotFound, e:
abort(404, _('Dataset not found'))
except dict_fns.DataError:
abort(400, _(u'Integrity Error'))
except SearchIndexError, e:
try:
exc_str = unicode(repr(e.args))
except Exception: # We don't like bare excepts
exc_str = unicode(str(e))
abort(500, _(u'Unable to update search index.') + exc_str)
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
return self.edit(name_or_id, data_dict, errors, error_summary)
def _form_save_redirect(self, pkgname, action, package_type=None):
'''This redirects the user to the CKAN package/read page,
unless there is request parameter giving an alternate location,
perhaps an external website.
@param pkgname - Name of the package just edited
@param action - What the action of the edit was
'''
assert action in ('new', 'edit')
url = request.params.get('return_to') or \
config.get('package_%s_return_url' % action)
if url:
url = url.replace('<NAME>', pkgname)
else:
if package_type is None or package_type == 'dataset':
url = h.url_for(controller='package', action='read',
id=pkgname)
else:
url = h.url_for('{0}_read'.format(package_type), id=pkgname)
h.redirect_to(url)
def delete(self, id):