bigbull/fakeserv.py

   1 import re
   2 import os
   3 import sys
   4 import glob
   5
   6 lv2 = "http://lv2plug.in/ns/lv2core#"
   7 lv2evt = "http://lv2plug.in/ns/ext/event#"
   8 rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   9 rdfs = "http://www.w3.org/2000/01/rdf-schema#"
  10 rdf_type = rdf + "type"
  11
  12 class DumpRDFModel:
  13     def addTriple(self, s, p, o):
  14         print "%s [%s] %s" % (s, p, repr(o))
  15
  16 class SimpleRDFModel:
  17     def __init__(self):
  18         self.bySubject = {}
  19         self.byPredicate = {}
  20     def getByType(self, classname):
  21         classes = self.bySubject["$classes"]
  22         if classname in classes:
  23             return classes[classname]
  24         return []
  25     def getByPropType(self, propname):
  26         if propname in self.byPredicate:
  27             return self.byPredicate[propname]
  28         return []
  29     def getProperty(self, subject, props, optional = False, single = False):
  30         if type(props) is list:
  31             prop = props[0]
  32         else:
  33             prop = props
  34         if type(subject) is str:
  35             subject = self.bySubject[subject]
  36         elif type(subject) is dict:
  37             pass
  38         else:
  39             if single:
  40                 return None
  41             else:
  42                 return []
  43         anyprops = set()
  44         if prop in subject:
  45             for o in subject[prop]:
  46                 anyprops.add(o)
  47         if type(props) is list:
  48             if len(props) > 1:
  49                 result = set()
  50                 for v in anyprops:
  51                     if single:
  52                         value = self.getProperty(v, props[1:], optional = optional, single = True)
  53                         if value != None:
  54                             return value
  55                     else:
  56                         result |= set(self.getProperty(v, props[1:], optional = optional, single = False))
  57                 if single:
  58                     return None
  59                 else:
  60                     return list(result)
  61         if single:
  62             if len(anyprops) > 0:
  63                 if len(anyprops) > 1:
  64                     raise Exception, "More than one value of " + prop
  65                 return list(anyprops)[0]
  66             else:
  67                 return None
  68         return list(anyprops)
  69
  70
  71     def addTriple(self, s, p, o):
  72         if p == rdf_type:
  73             p = "a"
  74         if s not in self.bySubject:
  75             self.bySubject[s] = {}
  76         if p not in self.bySubject[s]:
  77             self.bySubject[s][p] = []
  78         self.bySubject[s][p].append(o)
  79         if p not in self.byPredicate:
  80             self.byPredicate[p] = {}
  81         if s not in self.byPredicate[p]:
  82             self.byPredicate[p][s] = []
  83         self.byPredicate[p][s].append(o)
  84         if p == "a":
  85             self.addTriple("$classes", o, s)
  86     def copyFrom(self, src):
  87         for s in src.bySubject:
  88             po = src.bySubject[s]
  89             for p in po:
  90                 for o in po[p]:
  91                     self.addTriple(s, p, o)
  92     def dump(self):
  93         for s in self.bySubject.keys():
  94             for p in self.bySubject[s].keys():
  95                 print "%s %s %s" % (s, p, self.bySubject[s][p])
  96
  97 class FakeServer(object):
  98     def __init__(self):
  99         pass
 100
 101 def start():
 102     global instance
 103     instance = FakeServer()
 104
 105 def queue(cmdObject):
 106     global instance
 107     #try:
 108     cmdObject.calledOnOK(type(instance).__dict__[cmdObject.type](instance, *cmdObject.args))
 109     #except:
 110     #    cmdObject.calledOnError(repr(sys.exc_info()))
 111