def rdf_edit(self, resource_id, configuration_name="default-tranformation-configuration"):
mapping_name = configuration_name
resource_id = resource_id.lower()
resource = csv2rdf.ckan.resource.Resource(resource_id)
resource.init()
rdf_edit = RdfEditTemplate(resource, mapping_name)
return self.renderer.render(rdf_edit)
def generate_default_wiki_page(self, resource_id = None):
"""
"""
if(not resource_id):
resource_id = self.resource_id
resource = csv2rdf.ckan.resource.Resource(resource_id)
resource.init()
package = csv2rdf.ckan.package.Package(resource.package_name)
tabular_file = csv2rdf.tabular.tabularfile.TabularFile(resource_id)
page = '{{CSV2RDFHeader}} \n'
page += '\n'
#link to the publicdata.eu dataset
page += '{{CSV2RDFResourceLink | \n'
page += 'packageId = '+package.name+' | \n'
page += 'packageName = "'+package.title+'" | \n'
page += 'resourceId = '+resource.id+' | \n'
page += 'resourceName = "'+resource.description+'" | \n'
page += '}} \n'
page += '\n'
#get the header from the csv file
header_position = tabular_file.get_header_position()
header = tabular_file.extract_header(header_position)
#CSV2RDF Template
page += '{{RelCSV2RDF|\n'
page += 'name = default-tranformation-configuration |\n'
page += 'header = '+str(header_position)+' |\n'
page += 'omitRows = -1 |\n'
page += 'omitCols = -1 |\n'
#Split header and create column definition
for num, item in enumerate(header):
#if(not type(item) is str):
item = unidecode(item)
page += 'col'+str(num+1)+' = '+item.rstrip()+' |\n'
if(num > 500): # too many columns in this csv OR bad format
break
#Close template
page += '}}\n'
page += '\n'
page = page.encode('utf-8')
return page
def download(self):
resource = csv2rdf.ckan.resource.Resource(self.id)
resource.init()
try:
r = requests.get(resource.url, timeout=csv2rdf.config.config.ckan_request_timeout)
assert r.ok, r
file = csv2rdf.database.DatabasePlainFiles(csv2rdf.config.config.resources_path)
if(not file.is_exists(self.filename)):
file.saveDbaseRaw(self.filename, r.content)
logging.info("File %s downloaded and saved successfully" % self.id)
else:
logging.info("File %s already exists" % self.id)
return self.get_csv_file_path()
except BaseException as e:
logging.warning("Could not download the resource %s " % str(self.id))
logging.warning("Exception occured: %s" % str(e))
return False
def getResourceMetadata(self, resourceId):
resource = csv2rdf.ckan.resource.Resource(resourceId)
resource.init()
return resource.get_metadata()
def getUriByCkanResourceId(self, resource_id):
resource = csv2rdf.ckan.resource.Resource(resource_id)
resource.init()
return json.dumps(resource.url)
