def query_select_options(field):
''' returns a list of key value pairs for a select field '''
_prefix = rdfw().get_prefix()
_select_query = field.kds_fieldType.get('kds_selectQuery', None)
_select_list = {}
_options = []
if _select_query:
# send query to triplestore
_select_list = requests.post(fw_config().get('TRIPLESTORE_URL'),
data={
"query": _prefix + _select_query,
"format": "json"
})
_raw_options = _select_list.json().get('results',
{}).get('bindings', [])
_bound_var = field.kds_fieldType.get('kds_selectBoundValue', ''\
).replace("?", "")
_display_var = field.kds_fieldType.get('kds_selectDisplay', ''\
).replace("?", "")
# format query result into key value pairs
for row in _raw_options:
_options.append({
"id": iri(row.get(_bound_var, {}).get('value', '')),
"value": row.get(_display_var, {}).get('value', '')
})
return _options
def query_select_options(field):
''' returns a list of key value pairs for a select field '''
_prefix = rdfw().get_prefix()
_select_query = field.kds_fieldType.get('kds_selectQuery', None)
_select_list = {}
_options = []
if _select_query:
# send query to triplestore
_select_list = requests.post(
fw_config().get('TRIPLESTORE_URL'),
data={"query": _prefix + _select_query,
"format": "json"})
_raw_options = _select_list.json().get('results', {}).get('bindings', [])
_bound_var = field.kds_fieldType.get('kds_selectBoundValue', ''\
).replace("?", "")
_display_var = field.kds_fieldType.get('kds_selectDisplay', ''\
).replace("?", "")
# format query result into key value pairs
for row in _raw_options:
_options.append(
{
"id":iri(row.get(_bound_var, {}).get('value', '')),
"value":row.get(_display_var, {}).get('value', '')
})
return _options
def get_framework(**kwargs):
''' sets an instance of the the framework as a global variable. This
this method is then called to access that specific instance '''
global RDF_GLOBAL
fw_config(config=kwargs.get("config"))
_reset = kwargs.get("reset")
if _reset:
from .framework import RdfFramework
RDF_GLOBAL = RdfFramework()
try:
RDF_GLOBAL
except NameError:
RDF_GLOBAL = None
if RDF_GLOBAL is None:
from .framework import RdfFramework
RDF_GLOBAL = RdfFramework()
return RDF_GLOBAL
def get_framework(**kwargs):
''' sets an instance of the the framework as a global variable. This
this method is then called to access that specific instance '''
global RDF_GLOBAL
fw_config(config=kwargs.get("config"))
_reset = kwargs.get("reset")
if _reset:
from .framework import RdfFramework
RDF_GLOBAL = RdfFramework()
try:
RDF_GLOBAL
except NameError:
RDF_GLOBAL = None
if RDF_GLOBAL is None:
from .framework import RdfFramework
RDF_GLOBAL = RdfFramework()
return RDF_GLOBAL
def run_sparql_query(sparql, **kwargs):
''' run the passed in sparql query and returns the results '''
_prefix = rdfw().get_prefix()
if sparql is not None:
_results = requests.post(fw_config().get('TRIPLESTORE_URL'),
data={"prefix": _prefix,
"query": sparql,
"format": "json"})
return _results.json().get('results', {}).get('bindings', [])
else:
return None
def save_file_to_repository(data, repo_item_address):
''' saves a file from a form to a repository'''
object_value = ""
if repo_item_address:
print("~~~~~~~~ write code here")
else:
repository_result = requests.post(
fw_config().get("REPOSITORY_URL"),
data=data.read(),
headers={"Content-type": "'image/png'"})
object_value = repository_result.text
return iri(object_value)
def save_file_to_repository(data, repo_item_address):
''' saves a file from a form to a repository'''
object_value = ""
if repo_item_address:
print("~~~~~~~~ write code here")
else:
repository_result = requests.post(
fw_config().get("REPOSITORY_URL"),
data=data.read(),
headers={"Content-type":"'image/png'"})
object_value = repository_result.text
return iri(object_value)
def __init__(self, json_obj, class_name, **kwargs):
if not DEBUG:
debug = False
else:
debug = False
if debug: print("\nSTART RdfClass.init ---------------------------\n")
self.class_name = None
self.kds_properties = {}
for _prop in json_obj:
setattr(self, _prop, json_obj[_prop])
setattr(self, "class_name", class_name)
# The below accounts for cases where we may be using more than one
# repository or triplestore
# The 'kds_triplestoreConfigName' is the variable name in the
# config file that specifies the URL of the triplestore
if not hasattr(self, "kds_triplestoreConfigName"):
self.kds_triplestoreConfigName = "TRIPLESTORE_URL"
if not hasattr(self, "kds_repositoryConfigName"):
self.kds_repositoryConfigName = "REPOSITORY_URL"
# The kds_saveLocation specifies where to save the data i.e.
# in the triplestore or the repository
if not hasattr(self, "kds_saveLocation"):
self.kds_saveLocation = kwargs.get("kds_saveLocation",
"triplestore")
# The kds_queryLocation specifies where to query for class data
if not hasattr(self, "kds_queryLocation"):
self.kds_queryLocation = "triplestore"
# set the triplestore and repository urls for the class
self.triplestore_url = fw_config().get(self.kds_triplestoreConfigName)
self.repository_url = fw_config().get(self.kds_repositoryConfigName)
if not hasattr(self, "kds_subjectPattern"):
self.kds_subjectPattern = kwargs.get(
"kds_subjectPattern",
"!--baseUrl,/,ns,/,!--classPrefix,/,!--className,/,!--uuid")
if not hasattr(self, "kds_baseUrl"):
self.kds_baseUrl = kwargs.get("kds_baseUrl", fw_config().get(\
"ORGANIZATION",{}).get("url", "NO_BASE_URL"))
if debug: pp.pprint(self.__dict__)
if debug: print("\nEND RdfClass.init ---------------------------\n")
def run_sparql_query(sparql, **kwargs):
''' run the passed in sparql query and returns the results '''
_prefix = rdfw().get_prefix()
if sparql is not None:
_results = requests.post(fw_config().get('TRIPLESTORE_URL'),
data={
"prefix": _prefix,
"query": sparql,
"format": "json"
})
return _results.json().get('results', {}).get('bindings', [])
else:
return None
def __init__(self, json_obj, class_name, **kwargs):
if not DEBUG:
debug = False
else:
debug = False
if debug: print("\nSTART RdfClass.init ---------------------------\n")
self.class_name = None
self.kds_properties = {}
for _prop in json_obj:
setattr(self, _prop, json_obj[_prop])
setattr(self, "class_name", class_name)
# The below accounts for cases where we may be using more than one
# repository or triplestore
# The 'kds_triplestoreConfigName' is the variable name in the
# config file that specifies the URL of the triplestore
if not hasattr(self, "kds_triplestoreConfigName"):
self.kds_triplestoreConfigName = "TRIPLESTORE_URL"
if not hasattr(self, "kds_repositoryConfigName"):
self.kds_repositoryConfigName = "REPOSITORY_URL"
# The kds_saveLocation specifies where to save the data i.e.
# in the triplestore or the repository
if not hasattr(self, "kds_saveLocation"):
self.kds_saveLocation = kwargs.get("kds_saveLocation",
"triplestore")
# The kds_queryLocation specifies where to query for class data
if not hasattr(self, "kds_queryLocation"):
self.kds_queryLocation = "triplestore"
# set the triplestore and repository urls for the class
self.triplestore_url = fw_config().get(self.kds_triplestoreConfigName)
self.repository_url = fw_config().get(self.kds_repositoryConfigName)
if not hasattr(self, "kds_subjectPattern"):
self.kds_subjectPattern = kwargs.get("kds_subjectPattern",
"!--baseUrl,/,ns,/,!--classPrefix,/,!--className,/,!--uuid")
if not hasattr(self, "kds_baseUrl"):
self.kds_baseUrl = kwargs.get("kds_baseUrl", fw_config().get(\
"ORGANIZATION",{}).get("url", "NO_BASE_URL"))
if debug: pp.pprint(self.__dict__)
if debug: print("\nEND RdfClass.init ---------------------------\n")
def __call__(self, form, field):
# get the test query
debug = True
_sparql = self._make_unique_value_qry(form, field)
if debug: print(_sparql)
# run the test query
_unique_test_results = requests.post(\
fw_config().get('TRIPLESTORE_URL'),
data={"query": _sparql, "format": "json"})
_unique_test = _unique_test_results.json().get('results').get( \
'bindings', [])
# evaluate the results; True result in the query denotes that the
# value already exists
if len(_unique_test) > 0:
_unique_test = _unique_test[0].get(\
'uniqueValueViolation', {}).get('value', False)
else:
_unique_test = False
if _unique_test:
raise ValidationError(self.message)