def test_munge_tag_multiple_pass(self):
'''Munge a list of tags muliple times gives expected results.'''
for org, exp in self.munge_list:
first_munge = munge_tag(org)
assert_equal(first_munge, exp)
second_munge = munge_tag(first_munge)
assert_equal(second_munge, exp)
def test_munge_tag_multiple_pass(original, expected):
"""Munge a list of tags muliple times gives expected results."""
first_munge = munge_tag(original)
assert first_munge == expected
second_munge = munge_tag(first_munge)
assert second_munge == expected
def test_munge_tag_muliple_pass(self):
'''Munge a list of tags muliple times gives expected results.'''
for org, exp in self.munge_list:
first_munge = munge_tag(org)
nose_tools.assert_equal(first_munge, exp)
second_munge = munge_tag(first_munge)
nose_tools.assert_equal(second_munge, exp)
def _extract_tags_and_extras(self, content):
extras = []
tags = []
for key, value in content.iteritems():
if key in self._get_mapping().values():
continue
if key in ['type', 'subject']:
if type(value) is list:
tags.extend(value)
else:
tags.extend(value.split(';'))
continue
if value and type(value) is list:
value = value[0]
if not value:
value = None
if key.endswith('date') and value:
# the ckan indexer can't handle timezone-aware datetime objects
try:
from dateutil.parser import parse
date_value = parse(value)
date_without_tz = date_value.replace(tzinfo=None)
value = date_without_tz.isoformat()
except (ValueError, TypeError):
continue
extras.append((key, value))
tags = [munge_tag(tag[:100]) for tag in tags]
return (tags, extras)
def _extract_tags_and_extras(self, content):
extras = []
tags = []
for key, value in content.items():
if key in list(self._get_mapping().values()):
continue
if key in ['type', 'subject']:
if type(value) is list:
tags.extend(value)
else:
tags.extend(value.split(';'))
continue
if value and type(value) is list:
value = value[0]
if not value:
value = None
if key.endswith('date') and value:
# the ckan indexer can't handle timezone-aware datetime objects
try:
from dateutil.parser import parse
date_value = parse(value)
date_without_tz = date_value.replace(tzinfo=None)
value = date_without_tz.isoformat()
except (ValueError, TypeError):
continue
extras.append((key, value))
tags = [munge_tag(tag[:100]) for tag in tags]
return (tags, extras)
def _clean_tags(self, tags):
try:
def _update_tag(tag_dict, key, newvalue):
# update the dict and return it
tag_dict[key] = newvalue
return tag_dict
# assume it's in the package_show form
tags = [_update_tag(t, 'name', munge_tag(t['name'])) for t in tags if munge_tag(t['name']) != '']
except TypeError: # a TypeError is raised if `t` above is a string
# REST format: 'tags' is a list of strings
tags = [munge_tag(t) for t in tags if munge_tag(t) != '']
tags = list(set(tags))
return tags
return tags
def _clean_tags(self, tags):
try:
def _update_tag(tag_dict, key, newvalue):
# update the dict and return it
tag_dict[key] = newvalue
return tag_dict
# assume it's in the package_show form
tags = [_update_tag(t, 'name', munge_tag(t['name'])) for t in tags if munge_tag(t['name']) != '']
except TypeError: # a TypeError is raised if `t` above is a string
# REST format: 'tags' is a list of strings
tags = [munge_tag(t) for t in tags if munge_tag(t) != '']
tags = list(set(tags))
return tags
return tags
def map_to_ogdch_keywords(geocat_keywords):
ogdch_keywords = {'fr': [], 'de': [], 'en': [], 'it': []}
for keyword in geocat_keywords:
for lang, geocat_keyword in keyword.items():
if geocat_keyword != \
'opendata.swiss' and lang in ['fr', 'de', 'en', 'it']:
if geocat_keyword:
ogdch_keywords[lang].append(munge_tag(geocat_keyword))
return ogdch_keywords
def _keywords(self, subject, predicate):
keywords = {}
for keyword_node in self.g.objects(subject, predicate):
lang = keyword_node.language
keyword = munge_tag(unicode(keyword_node))
keywords.setdefault(lang, []).append(keyword)
return keywords
def import_stage(self, harvest_object):
log.debug('In NadaHarvester import_stage')
self._set_config(harvest_object.job.source.config)
if not harvest_object:
log.error('No harvest object received')
self._save_object_error('No harvest object received',
harvest_object)
return False
try:
base_url = harvest_object.source.url.rstrip('/')
ckan_metadata = DdiCkanMetadata()
pkg_dict = ckan_metadata.load(harvest_object.content)
pkg_dict = self._convert_to_extras(pkg_dict)
# update URL with NADA catalog link
catalog_path = self._get_catalog_path(harvest_object.guid)
pkg_dict['url'] = base_url + catalog_path
# set license from harvester config or use CKAN instance default
if 'license' in self.config:
pkg_dict['license_id'] = self.config['license']
else:
pkg_dict['license_id'] = config.get(
'ckanext.ddi.default_license', '')
tags = []
for tag in pkg_dict['tags']:
if isinstance(tag, basestring):
tags.append(munge_tag(tag[:100]))
pkg_dict['tags'] = tags
pkg_dict['version'] = pkg_dict['version'][:100]
# add resources
resources = [
{
'url': base_url + self._get_ddi_api(harvest_object.guid),
'name': 'DDI XML of %s' % pkg_dict['title'],
'format': 'xml'
},
{
'url': pkg_dict['url'],
'name': 'NADA catalog entry',
'format': 'html'
},
]
pkg_dict['resources'] = resources
log.debug('package dict: %s' % pkg_dict)
return self._create_or_update_package(pkg_dict, harvest_object)
except Exception, e:
self._save_object_error(('Exception in import stage: %r / %s' %
(e, traceback.format_exc())),
harvest_object)
return False
def _keywords(self, subject, predicate):
keywords = {}
# initialize the keywords with empty lists for all languages
for lang in dh.get_langs():
keywords[lang] = []
for keyword_node in self.g.objects(subject, predicate):
lang = keyword_node.language
keyword = munge_tag(unicode(keyword_node))
keywords.setdefault(lang, []).append(keyword)
return keywords
def do_load_regions(g, vocab_name):
concepts = []
for reg in g.subjects(None, URIRef(REGION_TYPE)):
names = list(g.objects(reg, URIRef(NAME_TYPE)))
identifier = munge_tag(reg.split('/')[-1])
labels = [{'lang': n.language, 'text': n.value} for n in names]
concepts.append({'name': identifier, 'labels': labels})
log.info(f'Loaded {len(concepts)} regions')
return concepts
def validator(key, data, errors, context):
if errors[key]:
return
value = json.loads(data[key])
new_value = {}
for lang in schema['form_languages']:
new_value[lang] = []
if lang not in value.keys():
continue
for keyword in value[lang]:
new_value[lang].append(munge_tag(keyword))
data[key] = json.dumps(new_value)
def do_load_regions(g, vocab_name):
concepts = []
pref_labels = []
for reg in g.subjects(None, URIRef(REGION_TYPE)):
names = list(g.objects(reg, URIRef(NAME_TYPE)))
identifier = munge_tag(unicode(reg).split('/')[-1])
concepts.append(identifier)
for n in names:
label = {'name': identifier,
'lang': n.language,
'localized_text': n.value}
pref_labels.append(label)
log.info('Loaded %d regions', len(concepts))
print('Loaded %d regions' % len(concepts))
return pref_labels, concepts
def importCmd(self, path=None):
self.ckan = self._ckan_connect()
if (path is None):
print "Argument 'path' must be set"
self.helpCmd()
sys.exit(1)
for root, dirs, files in os.walk(path):
for dir_name in dirs:
try:
dir_path = os.path.join(root, dir_name)
print "dir_path: %s" % dir_path
for file_name in os.listdir(dir_path):
file_path = os.path.join(dir_path, file_name)
if not file_path.endswith('.pdf') or not os.path.isfile(file_path):
continue
base_name = file_name.split('.')[0]
meta_xml_path = os.path.join(dir_path, base_name + '.xml')
metadata = self._parse_metadata(meta_xml_path)
# read fulltext with tika
metadata['full_text_search'] = self.tika_parser.parse_with_tika(file_path)
print "FULLTEXT: %s" % metadata['full_text_search']
# add tags to structure
tags = [
metadata.get('source', '').replace('#', ' ').replace('-', ' '),
metadata.get('contributor'),
metadata.get('creator'),
metadata.get('publisher'),
metadata.get('pdf_image_color_mode'),
metadata.get('pdf_image_color_space'),
metadata.get('pdf_image_format'),
metadata.get('pdf_image_resolution'),
]
tags = [munge_tag(tag) for tag in tags if tag and tag is not None]
metadata['tags'] = [{'name': tag} for tag in set(tags)]
pkg = self._create_or_update_package(base_name, metadata)
self._attach_file(pkg['id'], file_name, file_name, file_path, metadata, 'PDF')
self._attach_file(pkg['id'], base_name + '.xml', 'Metadata XML', meta_xml_path, format='XML')
except Exception, e:
traceback.print_exc()
def process(self, record):
record = record
data_dict = {
'id':
record['ID'],
'title':
record['title'].strip('{}'),
'name':
munge_title_to_name(record['ID'] + record['title']),
'notes':
record['abstract'],
'harvest_source':
'MENDELEY',
'creator':
record['author'].replace(',', '').split(' and '),
'tag_string':
','.join(munge_tag(tag) for tag in record['keywords'].split(',')),
'owner_org':
tk.config.get('ckanext.ingestor.config.mendeley_bib.owner_org',
'iaea'),
'type':
'publications'
}
identifiers = []
if 'doi' in record:
identifiers.append('doi:' + record['doi'])
if 'isbn' in record:
identifiers.append('isbn:' + record['isbn'])
if 'pmid' in record:
identifiers.append('pmid:' + record['pmid'])
data_dict['identifier'] = identifiers
if 'editor' in record:
data_dict['contributor'] = [record['editor']]
if 'publisher' in record:
data_dict['publisher'] = [record['publisher']]
if 'language' in record:
data_dict['language'] = [record['language']]
data_dict['source'] = record.get('url')
user = tk.get_action('get_site_user')({'ignore_auth': True})
existing = model.Package.get(data_dict['id'])
action = tk.get_action(
'package_update' if existing else 'package_create')
action({'ignore_auth': True, 'user': user['name']}, data_dict)
def _extract_tags_and_extras(self, content):
extras = []
tags = []
for key, value in content.iteritems():
if key in self._get_mapping().values():
continue
if key in ["type", "subject"]:
if type(value) is list:
tags.extend(value)
else:
tags.extend(value.split(";"))
continue
if value and type(value) is list:
value = value[0]
if not value:
value = None
extras.append((key, value))
tags = [munge_tag(tag[:100]) for tag in tags]
return (tags, extras)
def _nonEpos_extract_tags_and_extras(self, content):
extras = []
tags = []
for key, value in content.iteritems():
if key in self._get_mapping().values():
continue
if key in ['type', 'subject']:
if type(value) is list:
tags.extend(value)
else:
tags.extend(value.split(';'))
continue
if value and type(value) is list:
value = value[0]
if not value:
value = None
extras.append((key, value))
tags = [munge_tag(tag[:100]) for tag in tags]
return (tags, extras)
def parse_dataset(self, dataset_dict, dataset_ref): # noqa
log.debug("Parsing dataset '%r'" % dataset_ref)
dataset_dict['temporals'] = []
dataset_dict['tags'] = []
dataset_dict['extras'] = []
dataset_dict['resources'] = []
dataset_dict['relations'] = []
dataset_dict['see_alsos'] = []
# Basic fields
for key, predicate in (
('identifier', DCT.identifier),
('accrual_periodicity', DCT.accrualPeriodicity),
('spatial_uri', DCT.spatial),
('spatial', DCT.spatial),
('url', DCAT.landingPage),
):
value = self._object_value(dataset_ref, predicate)
if value:
dataset_dict[key] = value
# Timestamp fields
for key, predicate in (
('issued', DCT.issued),
('modified', DCT.modified),
):
value = self._object_value(dataset_ref, predicate)
if value:
dataset_dict[key] = self._clean_datetime(value)
# Multilingual basic fields
for key, predicate in (
('title', DCT.title),
('description', DCT.description),
):
value = self._object_value(dataset_ref, predicate, multilang=True)
if value:
dataset_dict[key] = value
# Tags
keywords = self._object_value_list(dataset_ref, DCAT.keyword) or []
for keyword in keywords:
dataset_dict['tags'].append({'name': munge_tag(unicode(keyword))})
# Keywords
dataset_dict['keywords'] = self._keywords(dataset_ref, DCAT.keyword)
# Themes
dcat_theme_urls = self._object_value_list(dataset_ref, DCAT.theme)
if dcat_theme_urls:
dataset_dict['groups'] = []
for dcat_theme_url in dcat_theme_urls:
search_result = slug_id_pattern.search(dcat_theme_url)
dcat_theme_slug = search_result.group()
dataset_dict['groups'].append({'name': dcat_theme_slug})
# Languages
languages = self._object_value_list(dataset_ref, DCT.language)
if languages:
dataset_dict['language'] = languages
# Contact details
dataset_dict['contact_points'] = self._contact_points(
dataset_ref, DCAT.contactPoint)
# Publisher
dataset_dict['publishers'] = self._publishers(dataset_ref,
DCT.publisher)
# Relations
dataset_dict['relations'] = self._relations(dataset_ref, DCT.relation)
# Temporal
dataset_dict['temporals'] = self._temporals(dataset_ref, DCT.temporal)
# References
see_alsos = self._object_value_list(dataset_ref, RDFS.seeAlso)
for see_also in see_alsos:
dataset_dict['see_alsos'].append({'dataset_identifier': see_also})
# Dataset URI (explicitly show the missing ones)
dataset_uri = (unicode(dataset_ref) if isinstance(
dataset_ref, rdflib.term.URIRef) else '')
dataset_dict['extras'].append({'key': 'uri', 'value': dataset_uri})
# Resources
for distribution in self._distributions(dataset_ref):
resource_dict = {
'media_type': '',
'language': [],
}
# Simple values
for key, predicate in (
('identifier', DCT.identifier),
('format', DCT['format']),
('mimetype', DCAT.mediaType),
('media_type', DCAT.mediaType),
('download_url', DCAT.downloadURL),
('url', DCAT.accessURL),
('rights', DCT.rights),
('license', DCT.license),
):
value = self._object_value(distribution, predicate)
if value:
resource_dict[key] = value
# if media type is not set, use format as fallback
if (not resource_dict.get('media_type')
and resource_dict.get('format')):
resource_dict['media_type'] = resource_dict['format']
# Timestamp fields
for key, predicate in (
('issued', DCT.issued),
('modified', DCT.modified),
):
value = self._object_value(distribution, predicate)
if value:
resource_dict[key] = self._clean_datetime(value)
# Multilingual fields
for key, predicate in (
('title', DCT.title),
('description', DCT.description),
):
value = self._object_value(distribution,
predicate,
multilang=True)
if value:
resource_dict[key] = value
resource_dict['url'] = (
self._object_value(distribution, DCAT.accessURL)
or self._object_value(distribution, DCAT.downloadURL) or '')
# languages
for language in self._object_value_list(distribution,
DCT.language):
resource_dict['language'].append(language)
# byteSize
byte_size = self._object_value_int(distribution, DCAT.byteSize)
if byte_size is not None:
resource_dict['byte_size'] = byte_size
# Distribution URI (explicitly show the missing ones)
resource_dict['uri'] = (unicode(distribution) if isinstance(
distribution, rdflib.term.URIRef) else '')
dataset_dict['resources'].append(resource_dict)
log.debug("Parsed dataset '%r': %s" % (dataset_ref, dataset_dict))
return dataset_dict
def _build_package_dict(self, context, harvest_object):
'''
Build and return a package_dict suitable for use with CKAN
`package_create` and `package_update`.
'''
# Local harvest source organization
source_dataset = toolkit.get_action('package_show')(
context.copy(), {
'id': harvest_object.source.id
})
local_org = source_dataset.get('owner_org')
res = json.loads(harvest_object.content)
package_dict = {
'title': res['resource']['name'],
'name': self._gen_new_name(res['resource']['name']),
'url': res.get('permalink', ''),
'notes': res['resource'].get('description', ''),
'author': res['resource']['attribution'],
'tags': [],
'extras': [],
'identifier': res['resource']['id'],
'owner_org': local_org,
'resources': [],
}
# Add tags
package_dict['tags'] = \
[{'name': munge_tag(t)}
for t in res['classification'].get('tags', [])
+ res['classification'].get('domain_tags', [])]
# Add domain_metadata to extras
package_dict['extras'].extend(res['classification'].get(
'domain_metadata', []))
# Add source createdAt to extras
package_dict['extras'].append({
'key': 'source_created_at',
'value': res['resource']['createdAt']
})
# Add source updatedAt to extras
package_dict['extras'].append({
'key': 'source_updated_at',
'value': res['resource']['updatedAt']
})
# Add owner_display_name to extras
package_dict['extras'].append({
'key':
'owner_display_name',
'value':
res.get('owner', {}).get('display_name')
})
# Add categories to extras
package_dict['extras'].append({
'key':
'categories',
'value': [
t for t in res['classification'].get('categories', []) +
res['classification'].get('domain_categories', [])
],
})
# Add Socrata metadata.license if available
if res['metadata'].get('license', False):
package_dict['extras'].append({
'key': 'license',
'value': res['metadata']['license']
})
# Add provenance
if res['resource'].get('provenance', False):
package_dict['provenance'] = res['resource']['provenance']
# Resources
package_dict['resources'] = [{
'url':
DOWNLOAD_ENDPOINT_TEMPLATE.format(
domain=urlparse(harvest_object.source.url).hostname,
resource_id=res['resource']['id']),
'format':
'CSV'
}]
return package_dict
def import_stage(self, harvest_object):
log.debug('In NadaHarvester import_stage')
self._set_config(harvest_object.job.source.config)
if not harvest_object:
log.error('No harvest object received')
self._save_object_error(
'No harvest object received',
harvest_object
)
return False
try:
base_url = harvest_object.source.url.rstrip('/')
# Get a class which maps ckan metadata to the DDI equivalent
ckan_metadata = DdiCkanMetadata()
# Extract metadata content from XML DDI
# put it in a dictionary
pkg_dict = ckan_metadata.load(harvest_object.content)
# Go through the dictionary and put 'uncrecognised' attributes
# into a field called 'extras' (any field which isn't in DEFAULT ATTRIBUTES)
pkg_dict = self._convert_to_extras(pkg_dict)
# update URL with NADA catalog link
catalog_path = self._get_catalog_path(harvest_object.guid)
pkg_dict['url'] = base_url + catalog_path
# set license from harvester config or use CKAN instance default
if 'license' in self.config:
pkg_dict['license_id'] = self.config['license']
else:
pkg_dict['license_id'] = config.get(
'ckanext.ddi.default_license',
''
)
# Add tags if necessary
tags = []
for tag in pkg_dict['tags']:
if isinstance(tag, basestring):
tags.append(munge_tag(tag[:100]))
pkg_dict['tags'] = tags
pkg_dict['version'] = pkg_dict['version'][:100]
# add resources
# basically sources
resources = [
{
'url': base_url + self._get_ddi_api(harvest_object.guid),
'name': 'DDI XML of %s' % pkg_dict['title'],
'format': 'xml'
},
{
'url': pkg_dict['url'],
'name': 'NADA catalog entry',
'format': 'html'
},
]
pkg_dict['resources'] = resources
log.debug('package dict: %s' % pkg_dict)
# Now create the package
return self._create_or_update_package(pkg_dict, harvest_object)
except Exception, e:
self._save_object_error(
(
'Exception in import stage: %r / %s'
% (e, traceback.format_exc())
),
harvest_object
)
return False
def munge_tags(package_dict):
tags = package_dict.get('tags', [])
tags = [munge_tag(t['name']) for t in tags if t]
tags = [t for t in tags if t != '__'] # i.e. just padding
tags = remove_duplicates_in_a_list(tags)
package_dict['tags'] = [dict(name=name) for name in tags]
def _build_package_dict(self, context, harvest_object):
'''
Build and return a package_dict suitable for use with CKAN
`package_create` and `package_update`.
'''
# Local harvest source organization
source_dataset = toolkit.get_action('package_show')(
context.copy(),
{'id': harvest_object.source.id}
)
local_org = source_dataset.get('owner_org')
res = json.loads(harvest_object.content)
package_dict = {
'title': res['resource']['name'],
'name': self._gen_new_name(res['resource']['name']),
'url': res.get('permalink', ''),
'notes': res['resource'].get('description', ''),
'author': res['resource']['attribution'],
'tags': [],
'extras': [],
'identifier': res['resource']['id'],
'owner_org': local_org,
'resources': [],
}
# Add tags
package_dict['tags'] = \
[{'name': munge_tag(t)}
for t in res['classification'].get('tags', [])
+ res['classification'].get('domain_tags', [])]
# Add domain_metadata to extras
package_dict['extras'].extend(res['classification']
.get('domain_metadata', []))
# Add source createdAt to extras
package_dict['extras'].append({
'key': 'source_created_at',
'value': res['resource']['createdAt']
})
# Add source updatedAt to extras
package_dict['extras'].append({
'key': 'source_updated_at',
'value': res['resource']['updatedAt']
})
# Add owner_display_name to extras
package_dict['extras'].append({
'key': 'owner_display_name',
'value': res.get('owner', {}).get('display_name')
})
# Add categories to extras
package_dict['extras'].append({
'key': 'categories',
'value': [t
for t in res['classification'].get('categories', [])
+ res['classification'].get('domain_categories', [])],
})
# Add Socrata metadata.license if available
if res['metadata'].get('license', False):
package_dict['extras'].append({
'key': 'license',
'value': res['metadata']['license']
})
# Add provenance
if res['resource'].get('provenance', False):
package_dict['provenance'] = res['resource']['provenance']
# Resources
package_dict['resources'] = [{
'url': DOWNLOAD_ENDPOINT_TEMPLATE.format(
domain=urlparse(harvest_object.source.url).hostname,
resource_id=res['resource']['id']),
'format': 'CSV'
}]
return package_dict
def munge_tag(self):
tag = request.params.get("tag") or request.params.get("name")
munged_tag = munge.munge_tag(tag)
return self._finish_ok(munged_tag)
def test_munge_tag(self):
'''Munge a list of tags gives expected results.'''
for org, exp in self.munge_list:
munge = munge_tag(org)
nose_tools.assert_equal(munge, exp)
def _create_or_update_package(self, package_dict, harvest_object):
'''
Creates a new package or updates an exisiting one according to the
package dictionary provided. The package dictionary should look like
the REST API response for a package:
http://ckan.net/api/rest/package/statistics-catalunya
Note that the package_dict must contain an id, which will be used to
check if the package needs to be created or updated (use the remote
dataset id).
If the remote server provides the modification date of the remote
package, add it to package_dict['metadata_modified'].
:returns: The same as what import_stage should return. i.e. True if the
create or update occurred ok, 'unchanged' if it didn't need
updating or False if there were errors.
TODO: Not sure it is worth keeping this function. If useful it should
use the output of package_show logic function (maybe keeping support
for rest api based dicts
'''
try:
# Change default schema
schema = default_create_package_schema()
schema['id'] = [ignore_missing, unicode]
schema['__junk'] = [ignore]
# Check API version
if self.config:
try:
api_version = int(self.config.get('api_version', 2))
except ValueError:
raise ValueError('api_version must be an integer')
else:
api_version = 2
user_name = self._get_user_name()
context = {
'model': model,
'session': Session,
'user': user_name,
'api_version': api_version,
'schema': schema,
'ignore_auth': True,
}
if self.config and self.config.get('clean_tags', False):
tags = package_dict.get('tags', [])
tags = [munge_tag(t) for t in tags if munge_tag(t) != '']
tags = list(set(tags))
package_dict['tags'] = tags
# Check if package exists
try:
existing_package_dict = self._find_existing_package(package_dict)
# In case name has been modified when first importing. See issue #101.
package_dict['name'] = existing_package_dict['name']
# Check modified date
if not 'metadata_modified' in package_dict or \
package_dict['metadata_modified'] > existing_package_dict.get('metadata_modified'):
log.info('Package with GUID %s exists and needs to be updated' % harvest_object.guid)
# Update package
context.update({'id':package_dict['id']})
package_dict.setdefault('name',
existing_package_dict['name'])
new_package = get_action('package_update_rest')(context, package_dict)
else:
log.info('Package with GUID %s not updated, skipping...' % harvest_object.guid)
# NB harvest_object.current/package_id are not set
return 'unchanged'
# Flag the other objects linking to this package as not current anymore
from ckanext.harvest.model import harvest_object_table
conn = Session.connection()
u = update(harvest_object_table) \
.where(harvest_object_table.c.package_id==bindparam('b_package_id')) \
.values(current=False)
conn.execute(u, b_package_id=new_package['id'])
# Flag this as the current harvest object
harvest_object.package_id = new_package['id']
harvest_object.current = True
harvest_object.save()
except NotFound:
# Package needs to be created
# Get rid of auth audit on the context otherwise we'll get an
# exception
context.pop('__auth_audit', None)
# Set name for new package to prevent name conflict, see issue #117
if package_dict.get('name', None):
package_dict['name'] = self._gen_new_name(package_dict['name'])
else:
package_dict['name'] = self._gen_new_name(package_dict['title'])
log.info('Package with GUID %s does not exist, let\'s create it' % harvest_object.guid)
harvest_object.current = True
harvest_object.package_id = package_dict['id']
# Defer constraints and flush so the dataset can be indexed with
# the harvest object id (on the after_show hook from the harvester
# plugin)
harvest_object.add()
model.Session.execute('SET CONSTRAINTS harvest_object_package_id_fkey DEFERRED')
model.Session.flush()
new_package = get_action('package_create_rest')(context, package_dict)
Session.commit()
return True
except ValidationError,e:
log.exception(e)
self._save_object_error('Invalid package with GUID %s: %r'%(harvest_object.guid,e.error_dict),harvest_object,'Import')
def import_stage(self, harvest_object):
'''
The import stage will receive a HarvestObject object and will be
responsible for:
- performing any necessary action with the fetched object (e.g
create a CKAN package).
Note: if this stage creates or updates a package, a reference
to the package must be added to the HarvestObject.
Additionally, the HarvestObject must be flagged as current.
- creating the HarvestObject - Package relation (if necessary)
- creating and storing any suitable HarvestObjectErrors that may
occur.
- returning True if everything went as expected, False otherwise.
:param harvest_object: HarvestObject object
:returns: True if everything went right, False if errors were found
'''
model.repo.new_revision()
master_data = json.loads(harvest_object.content)
domain = master_data['domain']
group = Group.get(domain)
if not group:
group = Group(name=domain, description=domain)
if 'records' in master_data:
records = master_data['records']
set_name = master_data['set_name']
for rec in records:
identifier, metadata, _ = rec
if metadata:
name = metadata['title'][0] if len(metadata['title'])\
else identifier
title = name
norm_title = unicodedata.normalize('NFKD', name)\
.encode('ASCII', 'ignore')\
.lower().replace(' ', '_')[:35]
slug = ''.join(e for e in norm_title
if e in string.ascii_letters + '_')
name = slug
creator = metadata['creator'][0]\
if len(metadata['creator']) else ''
description = metadata['description'][0]\
if len(metadata['description']) else ''
pkg = Package.by_name(name)
if not pkg:
pkg = Package(name=name, title=title)
extras = {}
for met in metadata.items():
key, value = met
if len(value) > 0:
if key == 'subject' or key == 'type':
for tag in value:
if tag:
tag = munge_tag(tag[:100])
tag_obj = model.Tag.by_name(tag)
if not tag_obj:
tag_obj = model.Tag(name=tag)
if tag_obj:
pkgtag = model.PackageTag(
tag=tag_obj,
package=pkg)
Session.add(tag_obj)
Session.add(pkgtag)
else:
extras[key] = ' '.join(value)
pkg.author = creator
pkg.author_email = creator
pkg.title = title
pkg.notes = description
pkg.extras = extras
pkg.url = \
"%s?verb=GetRecord&identifier=%s&metadataPrefix=oai_dc"\
% (harvest_object.job.source.url, identifier)
pkg.save()
harvest_object.package_id = pkg.id
Session.add(harvest_object)
setup_default_user_roles(pkg)
url = ''
for ids in metadata['identifier']:
if ids.startswith('http://'):
url = ids
title = metadata['title'][0] if len(metadata['title'])\
else ''
description = metadata['description'][0]\
if len(metadata['description']) else ''
pkg.add_resource(url, description=description, name=title)
group.add_package_by_name(pkg.name)
subg_name = "%s - %s" % (domain, set_name)
subgroup = Group.by_name(subg_name)
if not subgroup:
subgroup = Group(name=subg_name, description=subg_name)
subgroup.add_package_by_name(pkg.name)
Session.add(group)
Session.add(subgroup)
setup_default_user_roles(group)
setup_default_user_roles(subgroup)
model.repo.commit()
else:
self._save_object_error('Could not receive any objects from fetch!'
, harvest_object, stage='Import')
return False
return True
def parse_dataset(self, dataset_dict, dataset_ref):
dataset_dict['extras'] = []
dataset_dict['resources'] = []
# Basic fields
for key, predicate in (
('title', DCT.title),
('notes', DCT.description),
('url', DCAT.landingPage),
('version', OWL.versionInfo),
):
value = self._object_value(dataset_ref, predicate)
if value:
dataset_dict[key] = value
if not dataset_dict.get('version'):
# adms:version was supported on the first version of the DCAT-AP
value = self._object_value(dataset_ref, ADMS.version)
if value:
dataset_dict['version'] = value
# Tags
keywords = self._object_value_list(dataset_ref, DCAT.keyword) or []
# Split keywords with commas
keywords_with_commas = [k for k in keywords if ',' in k]
for keyword in keywords_with_commas:
keywords.remove(keyword)
keywords.extend([k.strip() for k in keyword.split(',')])
# replace munge_tag to noop if there's no need to clean tags
do_clean = toolkit.asbool(config.get(DCAT_CLEAN_TAGS, False))
tags_val = [munge_tag(tag) if do_clean else tag for tag in keywords]
tags = [{'name': tag} for tag in tags_val]
dataset_dict['tags'] = tags
# Extras
# Simple values
for key, predicate in (
('issued', DCT.issued),
('modified', DCT.modified),
('identifier', DCT.identifier),
('version_notes', ADMS.versionNotes),
('frequency', DCT.accrualPeriodicity),
('access_rights', DCT.accessRights),
('provenance', DCT.provenance),
('dcat_type', DCT.type),
):
value = self._object_value(dataset_ref, predicate)
if value:
dataset_dict['extras'].append({'key': key, 'value': value})
# Lists
for key, predicate, in (
('language', DCT.language),
('theme', DCAT.theme),
('alternate_identifier', ADMS.identifier),
('conforms_to', DCT.conformsTo),
('documentation', FOAF.page),
('related_resource', DCT.relation),
('has_version', DCT.hasVersion),
('is_version_of', DCT.isVersionOf),
('source', DCT.source),
('sample', ADMS.sample),
):
values = self._object_value_list(dataset_ref, predicate)
if values:
dataset_dict['extras'].append({
'key': key,
'value': json.dumps(values)
})
# Contact details
contact = self._contact_details(dataset_ref, DCAT.contactPoint)
if not contact:
# adms:contactPoint was supported on the first version of DCAT-AP
contact = self._contact_details(dataset_ref, ADMS.contactPoint)
if contact:
for key in ('uri', 'name', 'email'):
if contact.get(key):
dataset_dict['extras'].append({
'key':
'contact_{0}'.format(key),
'value':
contact.get(key)
})
# Publisher
publisher = self._publisher(dataset_ref, DCT.publisher)
for key in ('uri', 'name', 'email', 'url', 'type'):
if publisher.get(key):
dataset_dict['extras'].append({
'key':
'publisher_{0}'.format(key),
'value':
publisher.get(key)
})
# Temporal
start, end = self._time_interval(dataset_ref, DCT.temporal)
if start:
dataset_dict['extras'].append({
'key': 'temporal_start',
'value': start
})
if end:
dataset_dict['extras'].append({
'key': 'temporal_end',
'value': end
})
# Spatial
spatial = self._spatial(dataset_ref, DCT.spatial)
for key in ('uri', 'text', 'geom'):
if spatial.get(key):
dataset_dict['extras'].append({
'key':
'spatial_{0}'.format(key) if key != 'geom' else 'spatial',
'value':
spatial.get(key)
})
# Dataset URI (explicitly show the missing ones)
dataset_uri = (unicode(dataset_ref) if isinstance(
dataset_ref, rdflib.term.URIRef) else '')
dataset_dict['extras'].append({'key': 'uri', 'value': dataset_uri})
# License
if 'license_id' not in dataset_dict:
dataset_dict['license_id'] = self._license(dataset_ref)
# Source Catalog
if toolkit.asbool(config.get(DCAT_EXPOSE_SUBCATALOGS, False)):
catalog_src = self._get_source_catalog(dataset_ref)
if catalog_src is not None:
src_data = self._extract_catalog_dict(catalog_src)
dataset_dict['extras'].extend(src_data)
# Resources
for distribution in self._distributions(dataset_ref):
resource_dict = {}
# Simple values
for key, predicate in (
('name', DCT.title),
('description', DCT.description),
('download_url', DCAT.downloadURL),
('issued', DCT.issued),
('modified', DCT.modified),
('status', ADMS.status),
('rights', DCT.rights),
('license', DCT.license),
):
value = self._object_value(distribution, predicate)
if value:
resource_dict[key] = value
resource_dict['url'] = (
self._object_value(distribution, DCAT.accessURL)
or self._object_value(distribution, DCAT.downloadURL))
# Lists
for key, predicate in (
('language', DCT.language),
('documentation', FOAF.page),
('conforms_to', DCT.conformsTo),
):
values = self._object_value_list(distribution, predicate)
if values:
resource_dict[key] = json.dumps(values)
# Format and media type
normalize_ckan_format = config.get(
'ckanext.dcat.normalize_ckan_format', True)
imt, label = self._distribution_format(distribution,
normalize_ckan_format)
if imt:
resource_dict['mimetype'] = imt
if label:
resource_dict['format'] = label
elif imt:
resource_dict['format'] = imt
# Size
size = self._object_value_int(distribution, DCAT.byteSize)
if size is not None:
resource_dict['size'] = size
# Checksum
for checksum in self.g.objects(distribution, SPDX.checksum):
algorithm = self._object_value(checksum, SPDX.algorithm)
checksum_value = self._object_value(checksum,
SPDX.checksumValue)
if algorithm:
resource_dict['hash_algorithm'] = algorithm
if checksum_value:
resource_dict['hash'] = checksum_value
# Distribution URI (explicitly show the missing ones)
resource_dict['uri'] = (unicode(distribution) if isinstance(
distribution, rdflib.term.URIRef) else '')
dataset_dict['resources'].append(resource_dict)
if self.compatibility_mode:
# Tweak the resulting dict to make it compatible with previous
# versions of the ckanext-dcat parsers
for extra in dataset_dict['extras']:
if extra['key'] in (
'issued',
'modified',
'publisher_name',
'publisher_email',
):
extra['key'] = 'dcat_' + extra['key']
if extra['key'] == 'language':
extra['value'] = ','.join(
sorted(json.loads(extra['value'])))
return dataset_dict
def handle_fluent_harvest_dictinary(self, field, iso_values, package_dict,
schema, handled_fields,
harvest_config):
field_name = field['field_name']
if field_name in handled_fields:
return
field_value = {}
if not field.get('preset', '').startswith(u'fluent'):
return
# set default language, default to english
default_language = iso_values.get('metadata-language', 'en')[0:2]
if not default_language:
default_language = 'en'
# handle tag fields
if field.get('preset', '') == u'fluent_tags':
fluent_tags = iso_values.get(field_name, [])
schema_languages = plugins.toolkit.h.fluent_form_languages(
schema=schema)
do_clean = toolkit.asbool(harvest_config.get('clean_tags', False))
# init language key
field_value = {sl: [] for sl in schema_languages}
# process fluent_tags by convert list of language dictionaries into
# a dictionary of language lists
for t in fluent_tags:
tobj = self.from_json(t.get('keyword', t))
if isinstance(tobj, Number):
tobj = str(tobj)
if isinstance(tobj, dict):
for key, value in tobj.items():
if key in schema_languages:
if do_clean:
if isinstance(value, list):
value = [
munge.munge_tag(kw) for kw in value
]
else:
value = munge.munge_tag(value)
field_value[key].append(value)
else:
if do_clean:
tobj = munge.munge_tag(tobj)
field_value[default_language].append(tobj)
package_dict[field_name] = field_value
# update tags with all values from fluent_tags
tag_list = [t['name'] for t in package_dict['tags']]
for item in field_value.get('en', []) + field_value.get('fr', []):
if item not in tag_list:
tag_list.append(item)
package_dict['tags'] = [{'name': t} for t in tag_list]
else:
# Populate translated fields from core. this could have been done in
# the spatial extensions. example 'title' -> 'title_translated'
# strip trailing _translated part of field name
if field_name.endswith(u'_translated'):
package_fn = field_name[:-11]
else:
package_fn = field_name
package_val = package_dict.get(package_fn, '')
field_value = self.from_json(package_val)
if isinstance(field_value,
dict): # assume bilingual values already in data
package_dict[field_name] = field_value
else:
# create bilingual dictionary. This will likely fail validation as it does not contain all the languages
package_dict[field_name] = {}
package_dict[field_name][default_language] = field_value
handled_fields.append(field_name)
def _clean_keywords(self, pkg_dict):
clean_keywords = {}
if 'keywords' in pkg_dict:
for lang, tag_list in pkg_dict['keywords'].iteritems():
clean_keywords[lang] = [munge_tag(tag) for tag in tag_list]
return clean_keywords
def import_stage(self, harvest_object):
'''
The import stage will receive a HarvestObject object and will be
responsible for:
- performing any necessary action with the fetched object (e.g
create a CKAN package).
Note: if this stage creates or updates a package, a reference
to the package must be added to the HarvestObject.
Additionally, the HarvestObject must be flagged as current.
- creating the HarvestObject - Package relation (if necessary)
- creating and storing any suitable HarvestObjectErrors that may
occur.
- returning True if everything went as expected, False otherwise.
:param harvest_object: HarvestObject object
:returns: True if everything went right, False if errors were found
'''
logger.debug("in import stage: %s" % harvest_object.guid)
if not harvest_object:
logger.error('No harvest object received')
self._save_object_error('No harvest object received')
return False
try:
self._set_config(harvest_object.job.source.config)
package_dict = json.loads(harvest_object.content)
data_dict = {}
data_dict['id'] = package_dict['id']
data_dict['title'] = package_dict['title']
data_dict['name'] = munge_title_to_name(package_dict['name'])
data_dict['notes'] = markdown_extract(
package_dict.get('description'))
tags = package_dict.get('keyword', [])
data_dict['tag_string'] = ', '.join(
[munge_tag(tag) for tag in tags])
data_dict['private'] = False
license_id = package_dict.get('license',
'cc-by').strip('/').split('/')[-1]
if license_id == 'de2a56f5-a565-481a-8589-406dc40b5588':
license_id = 'sprep-public-license'
data_dict['license_id'] = license_id or 'notspecified'
data_dict['created'] = _parse_drupal_date(package_dict['issued'])
data_dict['modified'] = _parse_drupal_date(
package_dict['modified'])
c_point, c_email = package_dict['contactPoint'][
'fn'], package_dict['contactPoint']['hasEmail'].split(':')[-1]
if c_email != '*****@*****.**':
data_dict['contact_uri'] = c_point
data_dict['contact_email'] = c_email
data_dict['resources'] = []
for res in package_dict.get('distribution', []):
# res['issued'] = _parse_drupal_date(res.pop('created'))
# res['modified'] = _parse_drupal_date(
# res.pop('last_modified').replace('Date changed ', '')
# )
res['url'] = res.get('downloadURL') or res.get('accessURL')
res['format'] = res['format']
res['name'] = res['title']
res['description'] = markdown_extract(res.get('description'))
data_dict['resources'].append(res)
if 'spatial' in package_dict:
data_dict['spatial'] = package_dict['spatial']
try:
data_dict['spatial'] = json.dumps({
"type":
"Polygon",
"coordinates":
[[[float(c) for c in pair.split()]
for pair in RE_SPATIAL.match(
data_dict['spatial']).group(1).split(', ')]]
})
except KeyError:
pass
# package_dict.pop('type')
# add owner_org
source_dataset = get_action('package_show')(
{
'ignore_auth': True
}, {
'id': harvest_object.source.id
})
owner_org = source_dataset.get('owner_org')
data_dict['owner_org'] = owner_org
data_dict['member_countries'] = country_mapping[None]
if 'isPartOf' in package_dict:
country = package_dict['isPartOf'].split('.')[0]
data_dict['member_countries'] = country_mapping.get(
country, country_mapping[None])
org = model.Session.query(
model.Group).filter_by(name=country + '-data').first()
if org:
data_dict['owner_org'] = org.id
data_dict['source'] = package_dict.get('landingPage')
data_dict['theme'] = package_dict.get('theme', [])
data_dict['theme'] = package_dict.get('theme', [])
data_dict['thematic_area_string'] = _map_theme_to_topic(
data_dict['theme'])
data_dict['harvest_source'] = 'SPREP'
self._create_or_update_package(data_dict, harvest_object,
'package_show')
Session.commit()
logger.debug("Finished record")
except:
logger.exception('Something went wrong!')
self._save_object_error('Exception in import stage',
harvest_object)
return False
return True
def split_tags(tag):
tags = []
for tag in tag.split(','):
tags.extend(tag.split('>'))
return [munge_tag(tag) for tag in tags if munge_tag(tag) != '']
def _clean_keywords(self, pkg_dict):
clean_keywords = {}
if 'keywords' in pkg_dict:
for lang, tag_list in pkg_dict['keywords'].iteritems():
clean_keywords[lang] = [munge_tag(tag) for tag in tag_list if tag != 'opendata.swiss'] # noqa
return clean_keywords
def _create_or_update_package(self, package_dict, harvest_object):
'''
Creates a new package or updates an exisiting one according to the
package dictionary provided. The package dictionary should look like
the REST API response for a package:
http://ckan.net/api/rest/package/statistics-catalunya
Note that the package_dict must contain an id, which will be used to
check if the package needs to be created or updated (use the remote
dataset id).
If the remote server provides the modification date of the remote
package, add it to package_dict['metadata_modified'].
TODO: Not sure it is worth keeping this function. If useful it should
use the output of package_show logic function (maybe keeping support
for rest api based dicts
'''
try:
# Change default schema
schema = default_create_package_schema()
schema['id'] = [ignore_missing, unicode]
schema['__junk'] = [ignore]
# Check API version
if self.config:
try:
api_version = int(self.config.get('api_version', 2))
except ValueError:
raise ValueError('api_version must be an integer')
#TODO: use site user when available
user_name = self.config.get('user', u'harvest')
else:
api_version = 2
user_name = u'harvest'
context = {
'model': model,
'session': Session,
'user': user_name,
'api_version': api_version,
'schema': schema,
}
tags = package_dict.get('tags', [])
tags = [munge_tag(t) for t in tags]
tags = list(set(tags))
package_dict['tags'] = tags
# Check if package exists
data_dict = {}
data_dict['id'] = package_dict['id']
try:
existing_package_dict = get_action('package_show')(context, data_dict)
# Check modified date
if not 'metadata_modified' in package_dict or \
package_dict['metadata_modified'] > existing_package_dict.get('metadata_modified'):
log.info('Package with GUID %s exists and needs to be updated' % harvest_object.guid)
# Update package
context.update({'id':package_dict['id']})
new_package = get_action('package_update_rest')(context, package_dict)
else:
log.info('Package with GUID %s not updated, skipping...' % harvest_object.guid)
return
# Flag the other objects linking to this package as not current anymore
from ckanext.harvest.model import harvest_object_table
conn = Session.connection()
u = update(harvest_object_table) \
.where(harvest_object_table.c.package_id==bindparam('b_package_id')) \
.values(current=False)
conn.execute(u, b_package_id=new_package['id'])
# Flag this as the current harvest object
harvest_object.package_id = new_package['id']
harvest_object.current = True
harvest_object.save()
except NotFound:
# Package needs to be created
log.info('Package with GUID %s does not exist, let\'s create it' % harvest_object.guid)
harvest_object.current = True
harvest_object.package_id = package_dict['id']
# Defer constraints and flush so the dataset can be indexed with
# the harvest object id (on the after_show hook from the harvester
# plugin)
harvest_object.add()
model.Session.execute('SET CONSTRAINTS harvest_object_package_id_fkey DEFERRED')
model.Session.flush()
new_package = get_action('package_create_rest')(context, package_dict)
Session.commit()
return True
except ValidationError,e:
log.exception(e)
self._save_object_error('Invalid package with GUID %s: %r'%(harvest_object.guid,e.error_dict),harvest_object,'Import')
def import_stage(self, harvest_object):
"""Import the metadata received in the fetch stage to a dataset and
create groups if ones are defined. Fill in metadata from study and
document description.
"""
try:
xml_dict = {}
xml_dict["source"] = harvest_object.content
udict = json.loads(harvest_object.content)
if "url" in udict:
f = urllib2.urlopen(udict["url"]).read()
ddi_xml = BeautifulSoup(f, "xml")
else:
self._save_object_error("No url in content!", harvest_object)
return False
except urllib2.URLError:
self._save_object_error("Could not fetch from url %s!" % udict["url"], harvest_object)
return False
except etree.XMLSyntaxError:
self._save_object_error("Unable to parse XML!", harvest_object)
return False
model.repo.new_revision()
study_descr = ddi_xml.codeBook.stdyDscr
document_info = ddi_xml.codeBook.docDscr.citation
title = study_descr.citation.titlStmt.titl.string
if not title:
title = document_info.titlStmt.titl.string
name = study_descr.citation.titlStmt.IDNo.string
update = True
pkg = Package.get(name)
if not pkg:
pkg = Package(name=name)
update = False
producer = study_descr.citation.prodStmt.producer
if not producer:
producer = study_descr.citation.rspStmt.AuthEnty
if not producer:
producer = study_descr.citation.rspStmt.othId
pkg.author = producer.string
pkg.maintainer = producer.string
if study_descr.citation.distStmt.contact:
pkg.maintainer = study_descr.citation.distStmt.contact.string
if document_info.titlStmt.IDNo:
pkg.id = document_info.titlStmt.IDNo.string
keywords = study_descr.stdyInfo.subject(re.compile("keyword|topcClas"))
keywords = list(set(keywords))
for kw in keywords:
if kw:
vocab = None
kw_str = ""
if kw.string:
kw_str = kw.string
if "vocab" in kw.attrs:
vocab = kw.attrs.get("vocab", None)
if vocab and kw.string:
kw_str = vocab + " " + kw.string
pkg.add_tag_by_name(munge_tag(kw_str))
if study_descr.stdyInfo.abstract:
description_array = study_descr.stdyInfo.abstract("p")
else:
description_array = study_descr.citation.serStmt.serInfo("p")
pkg.notes = "<br />".join([description.string for description in description_array])
pkg.title = title[:100]
pkg.url = udict["url"]
if not update:
ofs = get_ofs()
nowstr = datetime.datetime.now().strftime("%Y-%m-%dT%H:%M:%S.%f")
idno = study_descr.citation.titlStmt.IDNo
agencyxml = (idno["agency"] if "agency" in idno.attrs else "") + idno.string
label = "%s/%s.xml" % (nowstr, agencyxml)
ofs.put_stream(BUCKET, label, f, {})
fileurl = config.get("ckan.site_url") + h.url_for("storage_file", label=label)
pkg.add_resource(url=fileurl, description="Original metadata record", format="xml", size=len(f))
pkg.add_resource(
url=document_info.holdings["URI"] if "URI" in document_info.holdings else "", description=title
)
metas = {}
descendants = [desc for desc in document_info.descendants] + [sdesc for sdesc in study_descr.descendants]
for docextra in descendants:
if isinstance(docextra, Tag):
if docextra:
if docextra.name == "p":
docextra.name = docextra.parent.name
if not docextra.name in metas and docextra.string:
metas[docextra.name] = docextra.string if docextra.string else self._collect_attribs(docextra)
else:
if docextra.string:
metas[docextra.name] += (
" " + docextra.string if docextra.string else self._collect_attribs(docextra)
)
if ddi_xml.codeBook.dataDscr and not update:
vars = ddi_xml.codeBook.dataDscr("var")
heads = self._get_headers()
c_heads = ["ID", "catValu", "labl", "catStat"]
f_var = StringIO.StringIO()
c_var = StringIO.StringIO()
varwriter = csv.DictWriter(f_var, heads)
codewriter = csv.DictWriter(c_var, c_heads)
heading_row = {}
for head in heads:
heading_row[head] = head
c_heading_row = {}
for head in c_heads:
c_heading_row[head] = head
varwriter.writerow(heading_row)
codewriter.writerow(c_heading_row)
for var in vars:
try:
varwriter.writerow(self._construct_csv(var, heads))
codewriter.writerows(self._create_code_rows(var))
except ValueError, e:
raise IOError("Failed to import DDI to CSV! %s" % e)
f_var.flush()
label = "%s/%s_var.csv" % (nowstr, name)
ofs.put_stream(BUCKET, label, f_var, {})
fileurl = config.get("ckan.site_url") + h.url_for("storage_file", label=label)
pkg.add_resource(url=fileurl, description="Variable metadata", format="csv", size=f_var.len)
label = "%s/%s_code.csv" % (nowstr, name)
ofs.put_stream(BUCKET, label, c_var, {})
fileurl = config.get("ckan.site_url") + h.url_for("storage_file", label=label)
pkg.add_resource(url=fileurl, description="Variable code values", format="csv", size=c_var.len)
f_var.seek(0)
reader = csv.DictReader(f_var)
for var in reader:
metas[var["ID"]] = var["labl"] if "labl" in var else var["qstnLit"]
def munge_tag(self):
tag = request.params.get('tag') or request.params.get('name')
munged_tag = munge.munge_tag(tag)
return self._finish_ok(munged_tag)
def test_munge_tag(self):
'''Munge a list of tags gives expected results.'''
for org, exp in self.munge_list:
munge = munge_tag(org)
assert_equal(munge, exp)
def munge_tag(self):
tag = request.params.get('tag') or request.params.get('name')
munged_tag = munge.munge_tag(tag)
return self._finish_ok(munged_tag)
def import_stage(self, harvest_object):
log.debug('In DotStatHarvester import_stage')
self._set_config(harvest_object.job.source.config)
if not harvest_object:
log.error('No harvest object received')
self._save_object_error('No harvest object received',
harvest_object)
return False
try:
base_url = harvest_object.source.url
# Parse the SDMX as XML with bs4
soup = BeautifulSoup(harvest_object.content, 'xml')
# Make a package dict
pkg_dict = {}
pkg_dict['id'] = harvest_object.guid
# Added thematic string
pkg_dict['thematic_area_string'] = ["Official Statistics"]
# Open license for all dotStat resources
pkg_dict['license_id'] = "other-open"
# Get owner_org if there is one
source_dataset = get_action('package_show')(
{
'ignore_auth': True
}, {
'id': harvest_object.source.id
})
owner_org = source_dataset.get('owner_org')
pkg_dict['owner_org'] = owner_org
# Match other fields with tags in XML structure
agency_id = self.config['agencyId']
stats_guid = self._get_object_extra(harvest_object, 'stats_guid')
structure = soup.find('Dataflow')
pkg_dict['title'] = structure.find('Name', {"xml:lang" : "en"}).text
pkg_dict['publisher_name'] = structure['agencyID']
pkg_dict['version'] = structure['version']
# Need to change url to point to Data Explorer
de_url = 'https://stats.pacificdata.org/vis?locale=en&dataflow[datasourceId]=SPC2&dataflow[agencyId]={}&dataflow[dataflowId]={}&dataflow[version]={}'.format(
agency_id,
stats_guid,
structure['version']
)
pkg_dict['source'] = de_url
# Set resource to metadata data dictionary (if available)
annotation = structure.find('Annotations')
annots = annotation.find_all('Annotation')
metaurl = None
for annot in annots:
metalink = annot.find('AnnotationType')
if metalink.text == 'EXT_RESOURCE':
metaurl = annot.find('AnnotationText', {'xml:lang':'en'}).text.split('|')[1]
# Set default resource, and metadata pdf if it exists
if metaurl:
pkg_dict['resources'] = [
{
'url':
'https://stats-nsi-stable.pacificdata.org/rest/data/{},{},{}/all/?format=csv'.format(
agency_id,
stats_guid,
structure['version']
),
'format': 'CSV',
'mimetype': 'CSV',
'description': 'All data for {}'.format(pkg_dict['title']),
'name': '{} Data CSV'.format(pkg_dict['title'])
},
{
'url': metaurl,
'format': 'PDF',
'mimetype': 'PDF',
'description': 'Detailed metadata dictionary for {}'.format(pkg_dict['title']),
'name': '{} Metadata PDF'.format(pkg_dict['title'])
}]
else:
pkg_dict['resources'] = [
{
'url':
'https://stats-nsi-stable.pacificdata.org/rest/data/{},{},{}/all/?format=csv'.format(
agency_id,
stats_guid,
structure['version']
),
'format': 'CSV',
'mimetype': 'CSV',
'description': 'All data for {}'.format(pkg_dict['title']),
'name': '{} Data CSV'.format(pkg_dict['title'])
}]
# Get notes/description if it exists
try:
desc = structure.find('Description', {"xml:lang": "en"}).text
desc += '\nFind more Pacific data on PDH.stat : https://stats.pacificdata.org/'
pkg_dict['notes'] = desc
except Exception as e:
log.error("An error occured: {}".format(e))
pkg_dict['notes'] = 'Find more Pacific data on PDH.stat : https://stats.pacificdata.org/'
# Add tags from CategoryScheme and ConceptScheme
# List of uninteresting tags
generic_schemes = ['Time', 'Frequency', 'Observation value', 'Observation Status', 'Confidentiality status', 'Unit of measure', 'Unit multiplier', 'Base period', 'Comment',
'Decimals', 'Data source', 'Pacific Island Countries and territories', 'Indicator', 'Transformation', 'Reporting type', 'Composite breakdown']
tag_strings = []
# For finding Category Schemes for tags
schemes = soup.find('CategorySchemes')
if schemes is not None:
catschemes = schemes.find_all('CategoryScheme')
for catscheme in catschemes:
cats = catscheme.find_all('Category')
for cat in cats:
found = cat.find('Name', {'xml:lang': 'en'}).text
if found not in tag_strings:
tag_strings.append(found)
# For finding Concept Schemes for tags
concepts = soup.find('Concepts')
if concepts is not None:
concschemes = concepts.find_all('ConceptScheme')
for concscheme in concschemes:
concepts = concscheme.find_all('Concept')
for concept in concepts:
found = concept.find('Name', {'xml:lang': 'en'}).text
if found not in tag_strings:
tag_strings.append(found)
# Tag cleaning
psp_mapping = {
'Industry and Services': ['pacific-skills', 'industry', 'training'],
'Education level': ['pacific-skills', 'education', 'training'],
'Occupation': ['pacific-skills', 'occupation'],
'Disability': ['pacific-skills', 'disability'],
'Economic sector': ['pacific-skills', 'industry', 'training'],
'Labour force status': ['pacific-skills', 'employment'],
'Employment status': ['pacific-skills', 'employment'],
'Labour and employment status': ['pacific-skills', 'employment']
}
if len(tag_strings) > 0:
# Bring in PSP tags
for tag in tag_strings:
if tag in list(psp_mapping.keys()):
tag_strings.extend(psp_mapping[tag])
# Remove duplicates
tag_strings = list(set(tag_strings))
# Remove tags found in generic_schemes list
tags = [x.lower() for x in tag_strings if x not in generic_schemes]
# Make a string of tags for CKAN
pkg_dict['tag_string'] = ', '.join([munge_tag(tag) for tag in tags])
'''
May need modifying when DF_SDG is broken into several DFs
This gets the list of indicators for SDG-related dataflows
Stores the list of strings in 'alternate_identifier' field
'''
if soup.find('Codelist', attrs={'id': 'CL_SDG_SERIES'
}) is not None:
pkg_dict['alternate_identifier'] = []
codelist = soup.find('Codelist', attrs={'id': 'CL_SDG_SERIES'})
for indic in codelist.findAll('Name', {"xml:lang" : "en"}):
if not indic or indic.text == 'SDG Indicator or Series':
continue
pkg_dict['alternate_identifier'].append(indic.text)
'''
When support for metadata endpoints arrives in .Stat, here is how more metadata may be found:
# Use the metadata/flow endpoint
metadata = requests.get('{}metadata/data/{}/all?detail=full'.format(base_url, harvest_object.guid))
# Parse with bs4
parsed = BeautifulSoup(metadata.text, 'xml')
# Now search for tags which may be useful as metadata
# example: getting the name and definition of metadata set
# (may need tweaking depending on SPC's metadata setup)
# We can get name from the metadata structure
set = parsed.find('MetadataSet')
pkg_dict['name'] = set.find('Name').text
# Then we can go to the reported attribute structure for more details
detail = set.find('ReportedAttribute', attrs={'id': 'DEF'})
pkg_dict['notes'] = detail.find('StructuredText', attrs={'lang': 'en'})
source_details = set.find('ReportedAttribute', attrs={'id': 'SOURCE_DEF'})
pkg_dict['source'] = source_details.find('StructuredText', attrs={'lang': 'en'})
'''
log.debug('package dict: %s' % pkg_dict)
content_hash = str(_hashify(pkg_dict))
harvest_object.extras = [
HarvestObjectExtra(key='content_hash',
value=content_hash)
]
harvest_object.save()
prev_object = model.Session.query(HarvestObject).filter(
HarvestObject.source == harvest_object.source,
HarvestObject.guid == harvest_object.guid,
~HarvestObject.import_finished.is_(None)).order_by(
HarvestObject.import_finished.desc()).first()
obj_hash = self._get_object_extra(prev_object, 'content_hash')
if obj_hash and obj_hash == content_hash:
log.debug('Content is not changed. Skip..')
return True
# Create or update the package
return self._create_or_update_package(
pkg_dict, harvest_object, package_dict_form='package_show')
except Exception as e:
self._save_object_error(('Exception in import stage: %r / %s' %
(e, traceback.format_exc())),
harvest_object)
return False
return []
else:
projects = json.load(handle)['projects']
for project in projects:
log.debug(project['project_info'])
# add dataset for project
metadata = {
'datasetID': self._get(project['project_info'], 'shortname'),
'title': self._get(project['project_info'], 'longname'),
'url': 'http://salsah.org/',
'notes': 'This project is part of SALSAH.',
# 'author': ,
# 'maintainer': ,
# 'maintainer-email': ,
'license_id': self._get(project['project_info'], 'ckan_license_id'),
'tags': [munge_tag(tag[:100]) for tag in self._get(project['project_info'], 'ckan_tags')],
'resources': [{
'name': 'SALSAH API',
'resource_type': 'api',
'format': 'JSON',
'url': harvest_job.source.url.rstrip('/') + '?project=' + self._get(project['project_info'], 'shortname')
}],
'groups': [self._get(project['project_info'], 'longname')],
'extras': [
('level', 'Project')
]
}
pprint(metadata)
obj = HarvestObject(
def _create_or_update_package(self, package_dict, harvest_object,
package_dict_form='rest'):
'''
Creates a new package or updates an exisiting one according to the
package dictionary provided.
The package dictionary can be in one of two forms:
1. 'rest' - as seen on the RESTful API:
http://datahub.io/api/rest/dataset/1996_population_census_data_canada
This is the legacy form. It is the default to provide backward
compatibility.
* 'extras' is a dict e.g. {'theme': 'health', 'sub-theme': 'cancer'}
* 'tags' is a list of strings e.g. ['large-river', 'flood']
2. 'package_show' form, as provided by the Action API (CKAN v2.0+):
http://datahub.io/api/action/package_show?id=1996_population_census_data_canada
* 'extras' is a list of dicts
e.g. [{'key': 'theme', 'value': 'health'},
{'key': 'sub-theme', 'value': 'cancer'}]
* 'tags' is a list of dicts
e.g. [{'name': 'large-river'}, {'name': 'flood'}]
Note that the package_dict must contain an id, which will be used to
check if the package needs to be created or updated (use the remote
dataset id).
If the remote server provides the modification date of the remote
package, add it to package_dict['metadata_modified'].
:returns: The same as what import_stage should return. i.e. True if the
create or update occurred ok, 'unchanged' if it didn't need
updating or False if there were errors.
TODO: Not sure it is worth keeping this function. If useful it should
use the output of package_show logic function (maybe keeping support
for rest api based dicts
'''
assert package_dict_form in ('rest', 'package_show')
try:
# Change default schema
schema = default_create_package_schema()
schema['id'] = [ignore_missing, unicode]
schema['__junk'] = [ignore]
# Check API version
if self.config:
try:
api_version = int(self.config.get('api_version', 2))
except ValueError:
raise ValueError('api_version must be an integer')
else:
api_version = 2
user_name = self._get_user_name()
context = {
'model': model,
'session': Session,
'user': user_name,
'api_version': api_version,
'schema': schema,
'ignore_auth': True,
}
if self.config and self.config.get('clean_tags', False):
tags = package_dict.get('tags', [])
tags = [munge_tag(t) for t in tags if munge_tag(t) != '']
tags = list(set(tags))
package_dict['tags'] = tags
# Check if package exists
try:
# _find_existing_package can be overridden if necessary
existing_package_dict = self._find_existing_package(package_dict)
# In case name has been modified when first importing. See issue #101.
package_dict['name'] = existing_package_dict['name']
# Check modified date
if not 'metadata_modified' in package_dict or \
package_dict['metadata_modified'] > existing_package_dict.get('metadata_modified'):
log.info('Package with GUID %s exists and needs to be updated' % harvest_object.guid)
# Update package
context.update({'id':package_dict['id']})
package_dict.setdefault('name',
existing_package_dict['name'])
new_package = p.toolkit.get_action(
'package_update' if package_dict_form == 'package_show'
else 'package_update_rest')(context, package_dict)
else:
log.info('No changes to package with GUID %s, skipping...' % harvest_object.guid)
# NB harvest_object.current/package_id are not set
return 'unchanged'
# Flag the other objects linking to this package as not current anymore
from ckanext.harvest.model import harvest_object_table
conn = Session.connection()
u = update(harvest_object_table) \
.where(harvest_object_table.c.package_id==bindparam('b_package_id')) \
.values(current=False)
conn.execute(u, b_package_id=new_package['id'])
# Flag this as the current harvest object
harvest_object.package_id = new_package['id']
harvest_object.current = True
harvest_object.save()
except p.toolkit.ObjectNotFound:
# Package needs to be created
# Get rid of auth audit on the context otherwise we'll get an
# exception
context.pop('__auth_audit', None)
# Set name for new package to prevent name conflict, see issue #117
if package_dict.get('name', None):
package_dict['name'] = self._gen_new_name(package_dict['name'])
else:
package_dict['name'] = self._gen_new_name(package_dict['title'])
log.info('Package with GUID %s does not exist, let\'s create it' % harvest_object.guid)
harvest_object.current = True
harvest_object.package_id = package_dict['id']
# Defer constraints and flush so the dataset can be indexed with
# the harvest object id (on the after_show hook from the harvester
# plugin)
harvest_object.add()
model.Session.execute('SET CONSTRAINTS harvest_object_package_id_fkey DEFERRED')
model.Session.flush()
new_package = p.toolkit.get_action(
'package_create' if package_dict_form == 'package_show'
else 'package_create_rest')(context, package_dict)
Session.commit()
return True
except p.toolkit.ValidationError, e:
log.exception(e)
self._save_object_error('Invalid package with GUID %s: %r'%(harvest_object.guid,e.error_dict),harvest_object,'Import')
def _create_or_update_package(self,
package_dict,
harvest_object,
package_dict_form='rest'):
'''
Creates a new package or updates an existing one according to the
package dictionary provided.
The package dictionary can be in one of two forms:
1. 'rest' - as seen on the RESTful API:
http://datahub.io/api/rest/dataset/1996_population_census_data_canada
This is the legacy form. It is the default to provide backward
compatibility.
* 'extras' is a dict e.g. {'theme': 'health', 'sub-theme': 'cancer'}
* 'tags' is a list of strings e.g. ['large-river', 'flood']
2. 'package_show' form, as provided by the Action API (CKAN v2.0+):
http://datahub.io/api/action/package_show?id=1996_population_census_data_canada
* 'extras' is a list of dicts
e.g. [{'key': 'theme', 'value': 'health'},
{'key': 'sub-theme', 'value': 'cancer'}]
* 'tags' is a list of dicts
e.g. [{'name': 'large-river'}, {'name': 'flood'}]
Note that the package_dict must contain an id, which will be used to
check if the package needs to be created or updated (use the remote
dataset id).
If the remote server provides the modification date of the remote
package, add it to package_dict['metadata_modified'].
:returns: The same as what import_stage should return. i.e. True if the
create or update occurred ok, 'unchanged' if it didn't need
updating or False if there were errors.
TODO: Not sure it is worth keeping this function. If useful it should
use the output of package_show logic function (maybe keeping support
for rest api based dicts
'''
assert package_dict_form in ('rest', 'package_show')
try:
# Change default schema
schema = default_create_package_schema()
schema['id'] = [ignore_missing, unicode]
schema['__junk'] = [ignore]
# Check API version
if self.config:
try:
api_version = int(self.config.get('api_version', 2))
except ValueError:
raise ValueError('api_version must be an integer')
else:
api_version = 2
user_name = self._get_user_name()
context = {
'model': model,
'session': Session,
'user': user_name,
'api_version': api_version,
'schema': schema,
'ignore_auth': True,
}
if self.config and self.config.get('clean_tags', False):
tags = package_dict.get('tags', [])
tags = [munge_tag(t) for t in tags if munge_tag(t) != '']
tags = list(set(tags))
package_dict['tags'] = tags
# Check if package exists
try:
# _find_existing_package can be overridden if necessary
existing_package_dict = self._find_existing_package(
package_dict)
# In case name has been modified when first importing. See issue #101.
package_dict['name'] = existing_package_dict['name']
# Check modified date
if not 'metadata_modified' in package_dict or \
package_dict['metadata_modified'] > existing_package_dict.get('metadata_modified'):
log.info(
'Package with GUID %s exists and needs to be updated' %
harvest_object.guid)
# Update package
context.update({'id': package_dict['id']})
package_dict.setdefault('name',
existing_package_dict['name'])
new_package = p.toolkit.get_action(
'package_update' if package_dict_form ==
'package_show' else 'package_update_rest')(
context, package_dict)
else:
log.info(
'No changes to package with GUID %s, skipping...' %
harvest_object.guid)
# NB harvest_object.current/package_id are not set
return 'unchanged'
# Flag the other objects linking to this package as not current anymore
from ckanext.harvest.model import harvest_object_table
conn = Session.connection()
u = update(harvest_object_table) \
.where(harvest_object_table.c.package_id==bindparam('b_package_id')) \
.values(current=False)
conn.execute(u, b_package_id=new_package['id'])
# Flag this as the current harvest object
harvest_object.package_id = new_package['id']
harvest_object.current = True
harvest_object.save()
except p.toolkit.ObjectNotFound:
# Package needs to be created
# Get rid of auth audit on the context otherwise we'll get an
# exception
context.pop('__auth_audit', None)
# Set name for new package to prevent name conflict, see issue #117
if package_dict.get('name', None):
package_dict['name'] = self._gen_new_name(
package_dict['name'])
else:
package_dict['name'] = self._gen_new_name(
package_dict['title'])
log.info(
'Package with GUID %s does not exist, let\'s create it' %
harvest_object.guid)
harvest_object.current = True
harvest_object.package_id = package_dict['id']
# Defer constraints and flush so the dataset can be indexed with
# the harvest object id (on the after_show hook from the harvester
# plugin)
harvest_object.add()
model.Session.execute(
'SET CONSTRAINTS harvest_object_package_id_fkey DEFERRED')
model.Session.flush()
new_package = p.toolkit.get_action(
'package_create' if package_dict_form ==
'package_show' else 'package_create_rest')(context,
package_dict)
Session.commit()
return True
except p.toolkit.ValidationError, e:
log.exception(e)
self._save_object_error(
'Invalid package with GUID %s: %r' %
(harvest_object.guid, e.error_dict), harvest_object, 'Import')
metadata = {
'datasetID':
self._get(project['project_info'], 'shortname'),
'title':
self._get(project['project_info'], 'longname'),
'url':
'http://salsah.org/',
'notes':
'This project is part of SALSAH.',
# 'author': ,
# 'maintainer': ,
# 'maintainer-email': ,
'license_id':
self._get(project['project_info'], 'ckan_license_id'),
'tags': [
munge_tag(tag[:100]) for tag in self._get(
project['project_info'], 'ckan_tags')
],
'resources': [{
'name':
'SALSAH API',
'resource_type':
'api',
'format':
'JSON',
'url':
harvest_job.source.url.rstrip('/') + '?project=' +
self._get(project['project_info'], 'shortname')
}],
'groups': [self._get(project['project_info'], 'longname')],
'extras': [('level', 'Project')]
