class_docstr: This class implements basic sparql patterns.
class_docstr_tok: ["This","class","implements","basic","sparql","patterns","."]
code: def lang_filter(self, variable, lang):
      return """ \n\tFILTER( lang(%s) = "%s") .""" % (
          self.q_mark(variable),
          lang,
      )
  
imports: from __future__ import print_function
  from SPARQLWrapper import SPARQLWrapper, JSON
  from rdflib import RDF, RDFS, OWL
label_desc: Use image node_id 11 for calling the BaseSPARQL obj's underlying member method code with example usage: obj.lang_filter(variable, lang) and returns: unknown