Source Code for Module Gnumed.business.gmCoding

  1  """GNUmed coding systems handling middleware""" 
  2  #============================================================ 
  3  __license__ = "GPL" 
  4  __version__ = "$Revision: 1.2 $" 
  5  __author__ = "K.Hilbert <Karsten.Hilbert@gmx.net>" 
  6   
  7   
  8  # stdlib 
  9  import sys, logging 
 10   
 11   
 12  # GNUmed modules 
 13  if __name__ == '__main__': 
 14          sys.path.insert(0, '../../') 
 15  from Gnumed.pycommon import gmPG2 
 16  from Gnumed.pycommon import gmBusinessDBObject 
 17   
 18  _log = logging.getLogger('gm.coding') 
 19  _log.info(__version__) 
 20   
 21  #============================================================ 
 22  # generic linked code handling 
 23  #------------------------------------------------------------ 
 24  _SQL_get_generic_linked_codes = u"SELECT * FROM clin.v_linked_codes WHERE %s" 
 25   
 26 -class cGenericLinkedCode(gmBusinessDBObject.cBusinessDBObject): 
 27          """Represents a generic linked code. 
 28   
 29          READ ONLY 
 30          """ 
 31          _cmd_fetch_payload = _SQL_get_generic_linked_codes % u"pk_lnk_code2item = %s" 
 32          _cmds_store_payload = [] 
 33          _updatable_fields = [] 
 34  #------------------------------------------------------------ 
 35 -def get_generic_linked_codes(order_by=None): 
 36          if order_by is None: 
 37                  order_by = u'true' 
 38          else: 
 39                  order_by = u'true ORDER BY %s' % order_by 
 40   
 41          cmd = _SQL_get_generic_linked_codes % order_by 
 42          rows, idx = gmPG2.run_ro_queries(queries = [{'cmd': cmd}], get_col_idx = True) 
 43          return [ cGenericLinkedCode(row = {'data': r, 'idx': idx, 'pk_field': 'pk_lnk_code2item'}) for r in rows ] 
 44  #============================================================ 
 45  # this class represents a generic (non-qualified) code 
 46  #------------------------------------------------------------ 
 47  _SQL_get_generic_code = u"SELECT * FROM ref.v_generic_codes WHERE %s" 
 48   
 49 -class cGenericCode(gmBusinessDBObject.cBusinessDBObject): 
 50          """READ ONLY""" 
 51          _cmd_fetch_payload = _SQL_get_generic_code % u"pk_generic_code = %s" 
 52          _cmds_store_payload = [] 
 53          _updatable_fields = [] 
 54  #------------------------------------------------------------ 
 55 -def get_generic_codes(order_by=None): 
 56          if order_by is None: 
 57                  order_by = u'true' 
 58          else: 
 59                  order_by = u'true ORDER BY %s' % order_by 
 60   
 61          cmd = _SQL_get_generic_code % order_by 
 62          rows, idx = gmPG2.run_ro_queries(queries = [{'cmd': cmd}], get_col_idx = True) 
 63          return [ cGenericCode(row = {'data': r, 'idx': idx, 'pk_field': 'pk_generic_code'}) for r in rows ] 
 64   
 65  #============================================================ 
 66  # module level functions 
 67  #------------------------------------------------------------ 
 68 -def get_coded_terms(coding_systems=None, languages=None, order_by=None): 
 69   
 70          where_snippets = [] 
 71          args = {} 
 72   
 73          if coding_systems is not None: 
 74                  where_snippets.append(u"((coding_system IN %(sys)s) OR (coding_system_long IN %(sys)s)") 
 75                  args['sys'] = tuple(coding_systems) 
 76   
 77          if languages is not None: 
 78                  where_snippets.append(u'lang IN %(lang)s') 
 79                  args['lang'] = tuple(languages) 
 80   
 81          cmd = u'select * from ref.v_coded_terms' 
 82   
 83          if len(where_snippets) > 0: 
 84                  cmd += u' WHERE %s' % u' AND '.join(where_snippets) 
 85   
 86          if order_by is not None: 
 87                  cmd += u' ORDER BY %s' % order_by 
 88   
 89          rows, idx = gmPG2.run_ro_queries(queries = [{'cmd': cmd, 'args': args}], get_col_idx = False) 
 90   
 91          return rows 
 92  #============================================================ 
 93  # main 
 94  #------------------------------------------------------------ 
 95  if __name__ == "__main__": 
 96   
 97          if len(sys.argv) < 2: 
 98                  sys.exit() 
 99   
100          if sys.argv[1] != 'test': 
101                  sys.exit() 
102   
103          #---------------------------------------------------- 
104 -        def test_get_generic_codes(): 
105                  print "generic codes:" 
106                  for code in get_generic_codes(): 
107                          print code 
108          #---------------------------------------------------- 
109 -        def test_get_coded_terms(): 
110                  print "known codes:" 
111                  for term in get_coded_terms(): 
112                          print term 
113          #---------------------------------------------------- 
114 -        def test_get_generic_linked_codes(): 
115                  print "generically linked generic codes:" 
116                  for code in get_generic_linked_codes(): 
117                          print code 
118          #---------------------------------------------------- 
119          #test_get_coded_terms() 
120          #test_get_generic_codes() 
121          test_get_generic_linked_codes() 
122   
123  #============================================================ 
124