def import_workflow_root(workflow,
workflow_definition_root,
metadata=None,
fs=None):
try:
xslt_definition_fh = open(
"%(xslt_dir)s/workflow.xslt" %
{'xslt_dir': os.path.join(DEFINITION_XSLT_DIR.get(), 'workflows')})
tag = etree.QName(workflow_definition_root.tag)
schema_version = tag.namespace
# Ensure namespace exists
if schema_version not in OOZIE_NAMESPACES:
raise RuntimeError(
_("Tag with namespace %(namespace)s is not valid. Please use one of the following namespaces: %(namespaces)s"
) % {
'namespace': workflow_definition_root.tag,
'namespaces': ', '.join(OOZIE_NAMESPACES)
})
# Get XSLT
parser = etree.XMLParser(resolve_entities=False)
xslt = etree.parse(xslt_definition_fh, parser=parser)
xslt_definition_fh.close()
transform = etree.XSLT(xslt)
# Transform XML using XSLT
transformed_root = transform(workflow_definition_root)
# Resolve workflow dependencies and node types and link dependencies
nodes = _prepare_nodes(workflow, transformed_root)
_preprocess_nodes(workflow, transformed_root, workflow_definition_root,
nodes, fs)
_save_nodes(workflow, nodes)
_save_links(workflow, workflow_definition_root)
_assign_workflow_properties(workflow, workflow_definition_root,
schema_version)
if metadata:
_process_metadata(workflow, metadata)
# Update workflow attributes
workflow.schema_version = schema_version
workflow.name = workflow_definition_root.get('name')
workflow.save()
except:
LOG.exception('failed to import workflow root')
raise
def import_workflow_root(workflow, workflow_definition_root, metadata=None, fs=None):
try:
xslt_definition_fh = open(
"%(xslt_dir)s/workflow.xslt" % {"xslt_dir": os.path.join(DEFINITION_XSLT_DIR.get(), "workflows")}
)
tag = etree.QName(workflow_definition_root.tag)
schema_version = tag.namespace
# Ensure namespace exists
if schema_version not in OOZIE_NAMESPACES:
raise RuntimeError(
_(
"Tag with namespace %(namespace)s is not valid. Please use one of the following namespaces: %(namespaces)s"
)
% {"namespace": workflow_definition_root.tag, "namespaces": ", ".join(OOZIE_NAMESPACES)}
)
# Get XSLT
xslt = etree.parse(xslt_definition_fh)
xslt_definition_fh.close()
transform = etree.XSLT(xslt)
# Transform XML using XSLT
transformed_root = transform(workflow_definition_root)
# Resolve workflow dependencies and node types and link dependencies
nodes = _prepare_nodes(workflow, transformed_root)
_preprocess_nodes(workflow, transformed_root, workflow_definition_root, nodes, fs)
_save_nodes(workflow, nodes)
_save_links(workflow, workflow_definition_root)
_assign_workflow_properties(workflow, workflow_definition_root, schema_version)
if metadata:
_process_metadata(workflow, metadata)
# Update workflow attributes
workflow.schema_version = schema_version
workflow.name = workflow_definition_root.get("name")
workflow.save()
except:
LOG.exception("failed to import workflow root")
workflow.delete(skip_trash=True)
raise