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Commit 0c694fda authored by Jesper Zedlitz's avatar Jesper Zedlitz
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überflüssige Dateien gelöscht

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import logging
import rdflib
from ckan.common import config, json
from ckan.model.license import LicenseRegister
from ckanext.dcat.profiles import EuropeanDCATAPProfile, DCT, URIRefOrLiteral
from ckanext.dcatde.profiles import DCAT
log = logging.getLogger(__name__)
DCT = rdflib.namespace.Namespace("http://purl.org/dc/terms/")
DCAT = rdflib.namespace.Namespace("http://www.w3.org/ns/dcat#")
class ODSHEuropeanDCATAPProfile(EuropeanDCATAPProfile):
def _license(self, dataset_ref):
if self._licenceregister_cache is not None:
license_uri2id, license_title2id = self._licenceregister_cache
else:
license_uri2id = {}
license_title2id = {}
for license_id, license in LicenseRegister().items():
license_uri2id[license_id] = license_id
license_uri2id[license.url] = license_id
license_title2id[license.title] = license_id
self._licenceregister_cache = license_uri2id, license_title2id
for distribution in self._distributions(dataset_ref):
# If distribution has a license, attach it to the dataset
license = self._object(distribution, DCT.license)
if license:
# Try to find a matching license comparing URIs, then titles
license_id = license_uri2id.get(license.toPython())
if not license_id:
license_id = license_title2id.get(
self._object_value(license, DCT.title))
if license_id:
return license_id
return ''
def _distribution_format(self, distribution, normalize_ckan_format=True):
imt, label = super(ODSHEuropeanDCATAPProfile, self)._distribution_format(
distribution, normalize_ckan_format)
if label in resource_formats_import():
label = resource_formats_import()[label]
return imt, label
def graph_from_dataset(self, dataset_dict, dataset_ref):
super(ODSHEuropeanDCATAPProfile, self).graph_from_dataset(
dataset_dict, dataset_ref)
for s, p, o in self.g.triples((None, rdflib.RDF.type, DCAT.Distribution)):
for s2, p2, o2 in self.g.triples((s, DCT['format'], None)):
if o2.decode() in resource_formats_export():
self.g.set((s, DCT['format'], rdflib.URIRef(
resource_formats_export()[o2.decode()])))
for s, p, o in self.g.triples((None, DCT.language, None)):
if o.decode() in get_language():
self.g.set((s, p, rdflib.URIRef(get_language()[o.decode()])))
elif type(o) == rdflib.Literal and type(URIRefOrLiteral(o.decode())) == rdflib.URIRef:
self.g.set((s, p, rdflib.URIRef(o.decode())))
license = dataset_dict.get('license_id', None)
if license:
self.g.add((dataset_ref, DCT.license, rdflib.URIRef(license)))
for dist in self.g.objects(dataset_ref, DCAT.distribution):
self.g.add((dist, DCT.license, rdflib.URIRef(license)))
_RESOURCE_FORMATS_IMPORT = None
_RESOURCE_FORMATS_EXPORT = None
def resource_formats():
global _RESOURCE_FORMATS_IMPORT
global _RESOURCE_FORMATS_EXPORT
_RESOURCE_FORMATS_IMPORT = {}
_RESOURCE_FORMATS_EXPORT = {}
g = rdflib.Graph()
# Something went wrong with trying to get the file formats online, try to use backup instead
try:
fallback_filepath = config.get(
'ckan.odsh.resource_formats_fallback_filepath')
g.parse(fallback_filepath)
assert len(set([s for s in g.subjects()])) > 120
except:
log.exception("failed to process resource_formats")
raise Exception('failed to load formats')
file_types = [subj.decode() for subj in g.subjects()]
for elem in sorted(set(file_types)):
if elem.split('/')[-1] != 'file-type':
_RESOURCE_FORMATS_EXPORT[elem.split('/')[-1]] = elem
_RESOURCE_FORMATS_IMPORT[elem] = elem.split('/')[-1]
def resource_formats_export():
global _RESOURCE_FORMATS_EXPORT
if not _RESOURCE_FORMATS_EXPORT:
resource_formats()
return _RESOURCE_FORMATS_EXPORT
def resource_formats_import():
global _RESOURCE_FORMATS_IMPORT
if not _RESOURCE_FORMATS_IMPORT:
resource_formats()
return _RESOURCE_FORMATS_IMPORT
_LANGUAGES = None
def get_language():
''' When datasets are exported in rdf-format, their language-tag
should be given as
"<dct:language rdf:resource="http://publications.europa.eu/.../XXX"/>",
where XXX represents the language conforming to iso-639-3 standard.
However, some imported datasets represent their language as
"<dct:language>de</dct:language>", which will be interpreted here as
iso-639-1 values. As we do not display the language setting in the
web frontend, this function only assures the correct export format,
by using 'languages.json' as mapping table.
'''
global _LANGUAGES
if not _LANGUAGES:
_LANGUAGES = {}
languages_file_path = config.get('ckanext.odsh.language.mapping')
if not languages_file_path:
log.warning(
"Could not find config setting: 'ckanext.odsh.language.mapping', using fallback instead.")
languages_file_path = '/usr/lib/ckan/default/src/ckanext-odsh/languages.json'
with open(languages_file_path) as languages_file:
try:
language_mapping_table = json.loads(languages_file.read())
except ValueError, e:
# includes simplejson.decoder.JSONDecodeError
raise ValueError('Invalid JSON syntax in %s: %s' %
(languages_file_path, e))
for language_line in language_mapping_table:
_LANGUAGES[language_line[0]] = language_line[1]
return _LANGUAGES
\ No newline at end of file
V;2019-04-25 12:18:36;ckan274;"ULS";"Exception";"traceback";"Text";"
Traceback (most recent call last):
File \\"/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/plugin.py\\", line 358, in before_search
raise BaseException('boom')
BaseException: boom
";
V;2019-04-25 12:18:37;ckan274;"ULS";"Exception";"traceback";"Text";"
Traceback (most recent call last):
File \\"/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/plugin.py\\", line 358, in before_search
raise BaseException('boom')
BaseException: boom
";
V;2019-04-25 12:18:38;ckan274;"ULS";"Exception";"traceback";"Text";"
Traceback (most recent call last):
File \\"/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/plugin.py\\", line 358, in before_search
raise BaseException('boom')
BaseException: boom
";
V;2019-04-25 12:18:40;ckan274;"ULS";"Exception";"traceback";"Text";"
Traceback (most recent call last):
File \\"/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/plugin.py\\", line 358, in before_search
raise BaseException('boom')
BaseException: boom
";
V;2019-04-25 12:18:41;ckan274;"ULS";"Exception";"traceback";"Text";"
Traceback (most recent call last):
File \\"/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/plugin.py\\", line 358, in before_search
raise BaseException('boom')
BaseException: boom
";
# This Python file uses the following encoding: utf-8
import logging
import csv
import re
import urllib2
import json
from itertools import count
from dateutil.parser import parse
import ckan.plugins.toolkit as toolkit
import ckan.model as model
from ckan.lib.navl.dictization_functions import Missing
from pylons import config
import pdb
_ = toolkit._
log = logging.getLogger(__name__)
def _extract_value(data, field):
key = None
for k in data.keys():
if data[k] == field:
key = k
break
if key is None:
return None
return data[(key[0], key[1], 'value')]
def validate_extra_groups(data, requireAtLeastOne, errors):
value = _extract_value(data, 'groups')
if value != None:
# 'value != None' means the extra key 'groups' was found,
# so the dataset came from manual editing via the web-frontend.
if not value:
if requireAtLeastOne:
errors['groups'] = 'at least one group needed'
data[('groups', 0, 'id')] = ''
return
groups = [g.strip() for g in value.split(',') if value.strip()]
for k in data.keys():
if len(k) == 3 and k[0] == 'groups':
data[k] = ''
# del data[k]
if len(groups) == 0:
if requireAtLeastOne:
errors['groups'] = 'at least one group needed'
return
for num, group in zip(range(len(groups)), groups):
data[('groups', num, 'id')] = group
else: # no extra-field 'groups'
# dataset might come from a harvest process
if not data.get(('groups', 0, 'id'), False) and \
not data.get(('groups', 0, 'name'), False):
errors['groups'] = 'at least one group needed'
def validate_extras(key, data, errors, context):
extra_errors = {}
isStaNord = ('id',) in data and data[('id',)][:7] == 'StaNord'
validate_extra_groups(data, True, extra_errors)
validate_extra_date_new(key, 'issued', data, isStaNord, extra_errors)
validate_extra_date_new(key, 'temporal_start',
data, isStaNord, extra_errors)
validate_extra_date_new(key, 'temporal_end', data, True, extra_errors)
if len(extra_errors.values()):
raise toolkit.Invalid(extra_errors)
def _set_value(data, field, value):
key = None
for k in data.keys():
if data[k] == field:
key = k
break
if key is None:
return None
data[(key[0], key[1], 'value')] = value
def validate_extra_date_new(key, field, data, optional, errors):
value = _extract_value(data, field)
if not value:
if not optional:
errors[field] = 'empty'
return
else:
if re.match(r'\d\d\d\d-\d\d-\d\d', value):
try:
dt = parse(value)
_set_value(data, field, dt.isoformat())
return
except ValueError:
pass
errors[field] = 'not a valid date'
def validate_licenseAttributionByText(key, data, errors, context):
register = model.Package.get_license_register()
isByLicense = False
for k in data:
if len(k) > 0 and k[0] == 'license_id' and data[k] and not isinstance(data[k], Missing) and \
'Namensnennung' in register[data[k]].title:
isByLicense = True
break
hasAttribution = False
for k in data:
if data[k] == 'licenseAttributionByText':
if isinstance(data[(k[0], k[1], 'value')], Missing) or (k[0], k[1], 'value') not in data:
del data[(k[0], k[1], 'value')]
del data[(k[0], k[1], 'key')]
break
else:
value = data[(k[0], k[1], 'value')]
hasAttribution = value != ''
break
if not hasAttribution:
current_indexes = [k[1] for k in data.keys()
if len(k) > 1 and k[0] == 'extras']
new_index = max(current_indexes) + 1 if current_indexes else 0
data[('extras', new_index, 'key')] = 'licenseAttributionByText'
data[('extras', new_index, 'value')] = ''
if isByLicense and not hasAttribution:
raise toolkit.Invalid(
'licenseAttributionByText: empty not allowed')
if not isByLicense and hasAttribution:
raise toolkit.Invalid(
'licenseAttributionByText: text not allowed for this license')
def known_spatial_uri(key, data, errors, context):
value = _extract_value(data, 'spatial_uri')
if not value:
poly = None
# some harvesters might import a polygon directly...
# pdb.set_trace()
poly = _extract_value(data, 'spatial')
has_old_uri = False
pkg = context.get('package', None)
if pkg:
old_uri = pkg.extras.get('spatial_uri', None)
has_old_uri = old_uri != None and len(old_uri) > 0
if not poly:
poly = pkg.extras.get('spatial', None)
if not poly or has_old_uri:
raise toolkit.Invalid('spatial_uri: empty not allowed')
else:
if poly:
new_index = next_extra_index(data)
data[('extras', new_index+1, 'key')] = 'spatial'
data[('extras', new_index+1, 'value')] = poly
return
mapping_file = config.get('ckanext.odsh.spatial.mapping')
try:
mapping_file = urllib2.urlopen(mapping_file)
except Exception:
raise Exception("Could not load spatial mapping file!")
not_found = True
spatial_text = str()
spatial = str()
cr = csv.reader(mapping_file, delimiter="\t")
for row in cr:
if row[0].encode('UTF-8') == value:
not_found = False
spatial_text = row[1]
loaded = json.loads(row[2])
spatial = json.dumps(loaded['geometry'])
break
if not_found:
raise toolkit.Invalid(
'spatial_uri: uri unknown')
new_index = next_extra_index(data)
data[('extras', new_index, 'key')] = 'spatial_text'
data[('extras', new_index, 'value')] = spatial_text
data[('extras', new_index+1, 'key')] = 'spatial'
data[('extras', new_index+1, 'value')] = spatial
def next_extra_index(data):
current_indexes = [k[1] for k in data.keys()
if len(k) > 1 and k[0] == 'extras']
return max(current_indexes) + 1 if current_indexes else 0
def tag_name_validator(value, context):
tagname_match = re.compile('[\w \-.\:\(\)\´\`]*$', re.UNICODE)
if not tagname_match.match(value):
raise toolkit.Invalid(_('Tag "%s" must be alphanumeric '
'characters or symbols: -_.:()') % (value))
return value
def tag_string_convert(key, data, errors, context):
'''Takes a list of tags that is a comma-separated string (in data[key])
and parses tag names. These are added to the data dict, enumerated. They
are also validated.'''
if isinstance(data[key], basestring):
tags = [tag.strip()
for tag in data[key].split(',')
if tag.strip()]
else:
tags = data[key]
current_index = max([int(k[1]) for k in data.keys()
if len(k) == 3 and k[0] == 'tags'] + [-1])
for num, tag in zip(count(current_index+1), tags):
data[('tags', num, 'name')] = tag
for tag in tags:
toolkit.get_validator('tag_length_validator')(tag, context)
tag_name_validator(tag, context)
def get_validators():
return {
'known_spatial_uri': known_spatial_uri,
'odsh_tag_name_validator': tag_name_validator,
'odsh_validate_extras': validate_extras,
'validate_licenseAttributionByText': validate_licenseAttributionByText
}
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