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package.py
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package.py
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import logging
from urllib import urlencode
import datetime
from pylons import config
from pylons.i18n import _
from genshi.template import MarkupTemplate
from genshi.template.text import NewTextTemplate
from ckan.logic import get_action, check_access
from ckan.lib.helpers import date_str_to_datetime
from ckan.lib.base import (request,
render,
BaseController,
model,
abort, h, g, c)
from ckan.lib.base import response, redirect, gettext
import ckan.lib.maintain as maintain
from ckan.lib.package_saver import PackageSaver, ValidationException
from ckan.lib.navl.dictization_functions import DataError, unflatten, validate
from ckan.lib.helpers import json
from ckan.logic import NotFound, NotAuthorized, ValidationError
from ckan.logic import (tuplize_dict,
clean_dict,
parse_params,
flatten_to_string_key)
from ckan.lib.i18n import get_lang
import ckan.authz
import ckan.rating
import ckan.misc
import ckan.lib.accept as accept
from home import CACHE_PARAMETERS
from ckan.lib.plugins import lookup_package_plugin
log = logging.getLogger(__name__)
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):
url = h.url_for(controller='package', action='search')
return url_with_params(url, params)
class PackageController(BaseController):
def _package_form(self, package_type=None):
return lookup_package_plugin(package_type).package_form()
def _form_to_db_schema(self, package_type=None):
return lookup_package_plugin(package_type).form_to_db_schema()
def _db_to_form_schema(self, package_type=None):
'''This is an interface to manipulate data from the database
into a format suitable for the form (optional)'''
return lookup_package_plugin(package_type).db_to_form_schema()
def _check_data_dict(self, data_dict, package_type=None):
'''Check if the return data is correct, mostly for checking out if
spammers are submitting only part of the form'''
return lookup_package_plugin(package_type).check_data_dict(data_dict)
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 _comments_template(self, package_type):
return lookup_package_plugin(package_type).comments_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 _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
package_type = self._guess_package_type()
try:
context = {'model': model, 'user': c.user or c.author}
check_access('site_read', context)
except NotAuthorized:
abort(401, _('Not authorized to see this page'))
# unicode format (decoded from utf8)
q = c.q = request.params.get('q', u'')
c.query_error = False
try:
page = int(request.params.get('page', 1))
except ValueError, e:
abort(400, ('"page" parameter must be an integer'))
limit = g.datasets_per_page
# 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)
c.sort_by = _sort_by
if sort_by is None:
c.sort_by_fields = []
else:
c.sort_by_fields = [field.split()[0]
for field in sort_by.split(',')]
c.sort_by_selected = sort_by
def pager_url(q=None, page=None):
params = list(params_nopage)
params.append(('page', page))
return search_url(params)
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 or c.author, 'for_view': True}
data_dict = {
'q': q,
'fq': fq,
'facet.field': g.facets,
'rows': limit,
'start': (page - 1) * limit,
'sort': sort_by,
'extras': search_extras
}
query = get_action('package_search')(context, data_dict)
c.page = h.Page(
collection=query['results'],
page=page,
url=pager_url,
item_count=query['count'],
items_per_page=limit
)
c.facets = query['facets']
c.search_facets = query['search_facets']
c.page.items = query['results']
except SearchError, se:
log.error('Dataset search error: %r', se.args)
c.query_error = True
c.facets = {}
c.page = h.Page(collection=[])
c.search_facets_limits = {}
for facet in c.search_facets.keys():
limit = int(request.params.get('_%s_limit' % facet, 10))
c.search_facets_limits[facet] = limit
c.facet_titles = {'groups': _('Groups'),
'tags': _('Tags'),
'res_format': _('Formats'),
'license': _('Licence'), }
maintain.deprecate_context_item(
'facets',
'Use `c.search_facets` instead.')
return render(self._search_template(package_type))
def _content_type_from_extension(self, ext):
ct, mu, ext = accept.parse_extension(ext)
if not ct:
return None, None, None,
return ct, ext, (NewTextTemplate, MarkupTemplate)[mu]
def _content_type_from_accept(self):
"""
Given a requested format this method determines the content-type
to set and the genshi template loader to use in order to render
it accurately. TextTemplate must be used for non-xml templates
whilst all that are some sort of XML should use MarkupTemplate.
"""
ct, mu, ext = accept.parse_header(request.headers.get('Accept', ''))
return ct, ext, (NewTextTemplate, MarkupTemplate)[mu]
def read(self, id, format='html'):
if not format == 'html':
ctype, extension, loader = \
self._content_type_from_extension(format)
if not ctype:
# An unknown format, we'll carry on in case it is a
# revision specifier and re-constitute the original id
id = "%s.%s" % (id, format)
ctype, format, loader = "text/html; charset=utf-8", "html", \
MarkupTemplate
else:
ctype, format, loader = self._content_type_from_accept()
response.headers['Content-Type'] = ctype
package_type = self._get_package_type(id.split('@')[0])
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True,
'for_view': True}
data_dict = {'id': id}
# 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 = 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:
abort(404, _('Dataset not found'))
except NotAuthorized:
abort(401, _('Unauthorized to read package %s') % id)
# used by disqus plugin
c.current_package_id = c.pkg.id
c.related_count = c.pkg.related_count
PackageSaver().render_package(c.pkg_dict, context)
template = self._read_template(package_type)
template = template[:template.index('.') + 1] + format
return render(template, loader_class=loader)
def comments(self, id):
package_type = self._get_package_type(id)
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True}
#check if package exists
try:
c.pkg_dict = get_action('package_show')(context, {'id': id})
c.pkg = context['package']
except NotFound:
abort(404, _('Dataset not found'))
except NotAuthorized:
abort(401, _('Unauthorized to read package %s') % id)
# used by disqus plugin
c.current_package_id = c.pkg.id
#render the package
PackageSaver().render_package(c.pkg_dict)
return render(self._comments_template(package_type))
def history(self, id):
package_type = self._get_package_type(id.split('@')[0])
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, e:
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 or c.author,
'extras_as_string': 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(401, _('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(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,
)
feed.content_type = 'application/atom+xml'
return feed.writeString('utf-8')
c.related_count = c.pkg.related_count
return render(self._history_template(c.pkg_dict.get('type',
package_type)))
def new(self, data=None, errors=None, error_summary=None):
package_type = self._guess_package_type(True)
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True,
'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(401, _('Unauthorized to create a package'))
if context['save'] and not data:
return self._save_new(context)
data = data or clean_dict(unflatten(tuplize_dict(parse_params(
request.params, ignore_keys=CACHE_PARAMETERS))))
c.resources_json = 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') == 'draft':
stage = ['active', 'complete']
elif data.get('state') == 'draft-complete':
stage = ['active', 'complete', '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')
vars = {'data': data, 'errors': errors,
'error_summary': error_summary,
'action': 'new', 'stage': stage}
c.errors_json = json.dumps(errors)
self._setup_template_variables(context, {'id': id})
# TODO: This check is to maintain backwards compatibility with the
# old way of creating custom forms. This behaviour is now deprecated.
if hasattr(self, 'package_form'):
c.form = render(self.package_form, extra_vars=vars)
else:
c.form = render(self._package_form(package_type=package_type),
extra_vars=vars)
return render(self._new_template(package_type),
extra_vars={'stage': stage})
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(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,
'user': c.user or c.author,
'extras_as_string': True}
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(401, _('Unauthorized to edit this resource'))
redirect(h.url_for(controller='package', action='resource_read',
id=id, resource_id=resource_id))
context = {'model': model, 'session': model.Session,
'api_version': 3,
'user': c.user or c.author,}
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})
fields = ['url', 'resource_type', 'format', 'name', 'description', 'id']
data = {}
for field in fields:
data[field] = resource_dict[field]
return self.new_resource(id, data=data)
# 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)
data = resource_dict
errors = errors or {}
error_summary = error_summary or {}
vars = {'data': data, 'errors': errors,
'error_summary': error_summary, 'action': 'new'}
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(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,
'api_version': 3,
'user': c.user or c.author,
'extras_as_string': True}
# see if we have any data that we are trying to save
data_provided = False
for key, value in data.iteritems():
if value 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
redirect(h.url_for(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(401, _('Unauthorized to update dataset'))
if not len(data_dict['resources']):
# no data so keep on page
h.flash_error(_('You must add at least one data resource'))
redirect(h.url_for(controller='package',
action='new_resource', id=id))
# we have a resource so let them add metadata
redirect(h.url_for(controller='package',
action='new_metadata', 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(401, _('Unauthorized to create a resource'))
if save_action == 'go-metadata':
# go to final stage of add dataset
redirect(h.url_for(controller='package',
action='new_metadata', id=id))
elif save_action == 'go-dataset':
# go to first stage of add dataset
redirect(h.url_for(controller='package',
action='edit', id=id))
elif save_action == 'go-dataset-complete':
# go to first stage of add dataset
redirect(h.url_for(controller='package',
action='read', id=id))
else:
# add more resources
redirect(h.url_for(controller='package',
action='new_resource', id=id))
errors = errors or {}
error_summary = error_summary or {}
vars = {'data': data, 'errors': errors,
'error_summary': error_summary, 'action': 'new'}
vars['pkg_name'] = id
# get resources for sidebar
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True,}
pkg_dict = get_action('package_show')(context, {'id': id})
# required for nav menu
vars['pkg_dict'] = pkg_dict
if pkg_dict['state'] == 'draft':
vars['stage'] = ['complete', 'active']
elif pkg_dict['state'] == 'draft-complete':
vars['stage'] = ['complete', 'active', 'complete']
return render('package/new_resource.html', extra_vars=vars)
def new_metadata(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(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,
'user': c.user or c.author,
'extras_as_string': True}
data_dict = get_action('package_show')(context, {'id': id})
data_dict['id'] = id
# update the state
if save_action == 'finish':
# we want this to go live when saved
data_dict['state'] = 'active'
elif save_action in ['go-resources', 'go-dataset']:
data_dict['state'] = 'draft-complete'
# allow the state to be changed
context['allow_state_change'] = True
data_dict.update(data)
try:
get_action('package_update')(context, data_dict)
except ValidationError, e:
errors = e.error_dict
error_summary = e.error_summary
return self.new_metadata(id, data, errors, error_summary)
except NotAuthorized:
abort(401, _('Unauthorized to update dataset'))
if save_action == 'go-resources':
# we want to go back to the add resources form stage
redirect(h.url_for(controller='package',
action='new_resource', id=id))
elif save_action == 'go-dataset':
# we want to go back to the add dataset stage
redirect(h.url_for(controller='package',
action='edit', id=id))
redirect(h.url_for(controller='package', action='read', id=id))
if not data:
context = {'model': model, 'session': model.Session,
'user': c.user or c.author, 'extras_as_string': True,}
data = get_action('package_show')(context, {'id': id})
errors = errors or {}
error_summary = error_summary or {}
vars = {'data': data, 'errors': errors, 'error_summary': error_summary}
vars['pkg_name'] = id
return render('package/new_package_metadata.html', 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 or c.author, 'extras_as_string': True,
'save': 'save' in request.params,
'moderated': config.get('moderated'),
'pending': True}
if context['save'] and not data:
return self._save_edit(id, context)
try:
c.pkg_dict = get_action('package_show')(context, {'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.
data = data or old_data
except NotAuthorized:
abort(401, _('Unauthorized to read package %s') % '')
except NotFound:
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 = json.dumps(data.get('resources', []))
try:
check_access('package_update', context)
except NotAuthorized, e:
abort(401, _('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 {}
vars = {'data': data, 'errors': errors,
'error_summary': error_summary, 'action': 'edit'}
c.errors_json = json.dumps(errors)
self._setup_template_variables(context, {'id': id},
package_type=package_type)
c.related_count = c.pkg.related_count
# we have already completed stage 1
vars['stage'] = ['active']
if data.get('state') == 'draft':
vars['stage'] = ['active', 'complete']
elif data.get('state') == 'draft-complete':
vars['stage'] = ['active', 'complete', 'complete']
# TODO: This check is to maintain backwards compatibility with the
# old way of creating custom forms. This behaviour is now deprecated.
if hasattr(self, 'package_form'):
c.form = render(self.package_form, extra_vars=vars)
else:
c.form = render(self._package_form(package_type=package_type),
extra_vars=vars)
return render('package/edit.html')
def read_ajax(self, id, revision=None):
package_type = self._get_package_type(id)
context = {'model': model, 'session': model.Session,
'user': c.user or c.author,
'extras_as_string': True,
'schema': self._form_to_db_schema(
package_type=package_type),
'revision_id': revision}
try:
data = get_action('package_show')(context, {'id': id})
schema = self._db_to_form_schema(package_type=package_type)
if schema:
data, errors = validate(data, schema)
except NotAuthorized:
abort(401, _('Unauthorized to read package %s') % '')
except NotFound:
abort(404, _('Dataset not found'))
## hack as db_to_form schema should have this
data['tag_string'] = ', '.join([tag['name'] for tag
in data.get('tags', [])])
data.pop('tags')
data = flatten_to_string_key(data)
response.headers['Content-Type'] = 'application/json;charset=utf-8'
return json.dumps(data)
def history_ajax(self, id):
context = {'model': model, 'session': model.Session,
'user': c.user or c.author,
'extras_as_string': True}
data_dict = {'id': id}
try:
pkg_revisions = get_action('package_revision_list')(
context, data_dict)
except NotAuthorized:
abort(401, _('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 json.dumps(data)
def _get_package_type(self, id):
"""
Given the id of a package it determines the plugin to load
based on the package's type name (type). The plugin found
will be returned, or None if there is no plugin associated with
the type.
"""
pkg = model.Package.get(id)
if pkg:
return pkg.type or 'package'
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')
if ckan_phase:
# phased add dataset so use api schema for validation
context['api_version'] = 3
from ckan.lib.search import SearchIndexError
try:
data_dict = clean_dict(unflatten(
tuplize_dict(parse_params(request.POST))))
if ckan_phase:
# prevent clearing of groups etc
context['allow_partial_update'] = True
# sort the tags
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']
# 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'])
redirect(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'])
redirect(url)
self._form_save_redirect(pkg_dict['name'], 'new')
except NotAuthorized:
abort(401, _('Unauthorized to read package %s') % '')
except NotFound, e:
abort(404, _('Dataset not found'))
except 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):
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(unflatten(
tuplize_dict(parse_params(request.POST))))
if '_ckan_phase' in data_dict:
context['api_version'] = 3
# we allow partial updates to not destroy existing resources
context['allow_partial_update'] = True
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', '')
if not context['moderated']:
context['pending'] = False
data_dict['id'] = name_or_id
pkg = get_action('package_update')(context, data_dict)
if request.params.get('save', '') == 'Approve':
get_action('make_latest_pending_package_active')(
context, data_dict)
c.pkg = context['package']
c.pkg_dict = pkg
self._form_save_redirect(pkg['name'], 'edit')
except NotAuthorized:
abort(401, _('Unauthorized to read package %s') % id)
except NotFound, e:
abort(404, _('Dataset not found'))
except 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):
'''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:
url = h.url_for(controller='package', action='read', id=pkgname)
redirect(url)
def _adjust_license_id_options(self, pkg, fs):
options = fs.license_id.render_opts['options']
is_included = False
for option in options:
license_id = option[1]
if license_id == pkg.license_id:
is_included = True
if not is_included:
options.insert(1, (pkg.license_id, pkg.license_id))
def authz(self, id):
pkg = model.Package.get(id)
if pkg is None:
abort(404, gettext('Dataset not found'))
# needed to add in the tab bar to the top of the auth page
c.pkg = pkg
c.pkgname = pkg.name
c.pkgtitle = pkg.title
try:
context = {'model': model, 'user': c.user or c.author,
'package': pkg}