# XML parser module
from xml.etree.ElementTree import XMLParser
-# For debug only
-import os
###############################################################################
################################################################################
-class exec_code:
+class ExecCode:
+ '''
+ Execute DynDBusClass generated code
+ '''
def __init__(self, globalCtx, localCtx) :
self.exec_string = ""
self.exec_code = None
self.globalCtx = globalCtx
- # __str__ : Return a string representation of the object, for
- # nice printing.
- def __str__(self) :
- return self.exec_string
-
- def p(self) :
- print str(self)
-
def append_stmt(self, stmt) :
self.exec_code_valid = 0
self.line += 1
- if (stmt != "\n"):
- for x in range(0,self.indent_level):
- self.exec_string = self.exec_string + ' '
- self.exec_string = self.exec_string + stmt + "\t\t# l:" + str(self.line) + '\n'
- else:
- if (stmt == "\n"):
- self.exec_string = self.exec_string + "# l:" + str(self.line) + '\n'
- else:
- self.exec_string = self.exec_string + stmt + "\t\t# l:" + str(self.line) + '\n'
+ for x in range(0,self.indent_level):
+ self.exec_string = self.exec_string + ' '
+ self.exec_string = self.exec_string + stmt + '\n'
def indent(self) :
self.indent_level = self.indent_level + self.indent_increment
################################################################################
-class XmlCb_Parser: # The target object of the parser
+class XmlCbParser: # The target object of the parser
maxDepth = 0
depth = 0
def __init__(self, dynDBusClass):
# Set signature (in/out & name) for method
if (tag == 'arg'):
if (self.current == 'method'):
+ if (attrib.has_key('direction') == False):
+ attrib['direction'] = "in"
self.dynDBusClass.add_signature(attrib['name'],
attrib['direction'],
attrib['type'])
return
if (self.current == 'signal'):
+ if (attrib.has_key('name') == False):
+ attrib['name'] = 'value'
self.dynDBusClass.add_signature(attrib['name'], 'in',
attrib['type'])
return
################################################################################
-class dynDBusClass():
+class DynDBusClass():
def __init__(self, className, globalCtx, localCtx):
self.className = className
- self.xmlCB = XmlCb_Parser(self)
+ self.xmlCB = XmlCbParser(self)
self.signature = {}
- self.class_code = exec_code(globalCtx, localCtx)
+ self.class_code = ExecCode(globalCtx, localCtx)
self.class_code.indent_increment = 4
self.class_code.append_stmt("import dbus")
self.class_code.append_stmt("\n")
- self.class_code.append_stmt("\n")
self.class_code.append_stmt("class " + self.className + "(dbus.service.Object):")
self.class_code.indent()
self.add_stmt("self.bus = bus")
self.add_stmt("self.objName = objName")
self.add_stmt("self.callback = callback")
-# self.add_stmt("dbus.service.Object.__init__(self, conn=bus, object_path=objName, bus_name=busName)")
self.add_stmt("dbus.service.Object.__init__(self, conn=bus, bus_name=busName)")
self.end_method()
def end_method(self):
self.class_code.append_stmt("\n")
- self.class_code.append_stmt("\n")
self.class_code.dedent()
def add_dbus_method(self):
def add_body_method(self):
if (self.methodToAdd != None):
- self.class_code.append_stmt("print 'In " + self.methodToAdd + "()'")
if (self.args_str != str()):
self.class_code.append_stmt("self.callback('" + self.methodToAdd + "', dbus_async_cb, dbus_async_err_cb, %s)" % self.args_str)
else:
def declare(self) :
self.class_code.execute()
-
- def __str__(self) :
- return self.class_code.exec_string
-
- # p : Since it is often useful to be able to look at the code
- # that is generated interactively, this function provides
- # a shorthand for "print str(some_exec_code_instance)", which
- # gives a reasonable nice look at the contents of the
- # exec_code object.
- def p(self) :
- print str(self)
@exportRpc
+ def emitSignal(self, list):
+ '''
+ arguments: agentObjectPath, signalName, result (to emit)
+ '''
+ objectPath = list[0]
+ className = re.sub('/', '_', objectPath[1:])
+ signalName = list[1]
+ result = list[2]
+ if (self.serviceAgents.has_key(className) == True):
+ exe_str = "self.serviceAgents['"+ className +"']."+ signalName + "(" + str(result) + ")"
+ eval(exe_str, self.globalCtx, self.localCtx)
+ else:
+ raise Exception("No object path " + objectPath)
+
+ @exportRpc
def returnMethod(self, list):
'''
- arguments: methodId, success (=true, error otherwise), result (to return)
+ arguments: methodId, callIndex, success (=true, error otherwise), result (to return)
'''
methodId = list[0]
- success = list[1]
- result = list[2]
+ callIndex = list[1]
+ success = list[2]
+ result = list[3]
if (self.servicePendingCalls.has_key(methodId)):
- cb = self.servicePendingCalls[methodId]
+ cb = self.servicePendingCalls[methodId]['calls'][callIndex]
+ if cb is None:
+ raise Exception("No pending call " + str(callIndex) + " for methodID " + methodId)
if (success):
successCB = cb["successCB"]
if (result != None):
errorCB(result)
else:
errorCB()
- self.servicePendingCalls[methodId] = None
+ self.servicePendingCalls[methodId]['calls'][callIndex] = None
+ self.servicePendingCalls[methodId]['count'] = self.servicePendingCalls[methodId]['count'] - 1
+ if self.servicePendingCalls[methodId]['count'] == 0:
+ del self.servicePendingCalls[methodId]
else:
- print "No methodID %s !!" % (methodId)
-
- def jsonEncodeTupleKeyDict(self, data):
- ndict = dict()
- # creates new dictionary with the original tuple converted to json string
- dataLen = len(data)
- string = ""
- for index in range(dataLen):
- for key in data[index]:
- value = data[index][key]
- print "key=" + key
- print "value=" + str(value)
- nkey = str(key)
- nvalue = ""
- print "JSON key=" + nkey
- if (isinstance(value, dbus.Array)):
- # Searching dbus byte in array...
- ValueLen = len(value)
- nvalue = []
- for indexValue in range(ValueLen):
- a = value[indexValue]
- if (isinstance(a, dbus.Byte)):
- a = int(value[indexValue])
- nvalue.append(a)
- else:
- nvalue = str(value[indexValue])
-
- print "JSON value=" + str(nvalue)
- ndict[nkey] = nvalue
-
- return ndict
+ raise Exception("No methodID " + methodId)
def srvCB(self, name, async_succes_cb, async_error_cb, *args):
methodId = self.srvName + "#" + self.agentObjectPath + "#" + name
cb = { 'successCB': async_succes_cb,
'errorCB': async_error_cb}
- self.servicePendingCalls[methodId] = cb
-
- if (len(args) > 0):
- print "Received args=%s" % (str(args))
- else:
- print "No args received"
-
- try:
- print "factory.dispatch(methodId=%s, args=%s)" % (methodId, json.dumps(args))
- factory.dispatch(methodId, json.dumps(args))
- return
- except Exception, e :
- print "Error=%s" % (str(e))
-
- print "Trying to decode dbus.Dictionnary..."
- try:
- params = self.jsonEncodeTupleKeyDict(args)
- print "factory.dispatch(methodId=%s, args=%s)" % (methodId, params)
- factory.dispatch(methodId, params)
- return
- except Exception, e :
- print "Error=%s" % (str(e))
-
- print "Trying to pass args as string..."
- try:
- print "factory.dispatch(methodId=%s, args=%s)" % (methodId, str(args))
- factory.dispatch(methodId, str(args))
- return
- except Exception, e :
- print "Error=%s" % (str(e))
+ if methodId not in self.servicePendingCalls:
+ self.servicePendingCalls[methodId] = {'count': 0, 'calls': []}
+ pendingCallStr = json.dumps({'callIndex': len(self.servicePendingCalls[methodId]['calls']), 'args': args})
+ self.servicePendingCalls[methodId]['calls'].append(cb)
+ self.servicePendingCalls[methodId]['count'] = self.servicePendingCalls[methodId]['count'] + 1
+ factory.dispatch(methodId, pendingCallStr)
@exportRpc
def serviceAdd(self, list):
xmlTemplate = list[1]
self.className = re.sub('/', '_', self.agentObjectPath[1:])
if (self.dynDBusClasses.has_key(self.className) == False):
- self.dynDBusClasses[self.className] = dynDBusClass(self.className, self.globalCtx, self.localCtx)
+ self.dynDBusClasses[self.className] = DynDBusClass(self.className, self.globalCtx, self.localCtx)
self.dynDBusClasses[self.className].createDBusServiceFromXML(xmlTemplate)
self.dynDBusClasses[self.className].declare()
-
- # For Debug only
- if (1):
- if (1): ## Force deletion
- if os.access('./MyDbusClass.py', os.R_OK) == True:
- os.remove('./MyDbusClass.py')
-
- if os.access('./MyDbusClass.py', os.R_OK) == False:
- f = open('./MyDbusClass.py', 'w')
- f.write(self.dynDBusClasses[self.className].class_code.exec_string)
- f.close()
## Class already exist, instanciate it if not already instanciated
if (self.serviceAgents.has_key(self.className) == False):
-# self.dynDBusClasses[self.className].p()
-# self.dynDBusClasses[self.className].declare()
self.serviceAgents[self.className] = eval(self.className + "(self.bus, callback=self.srvCB, objName=self.agentObjectPath, busName=self.srvName)", self.globalCtx, self.localCtx)
self.serviceAgents[self.className].add_to_connection()
-# exe_str = "self.serviceAgents['" + self.className +"'].add_to_connection()"
-# exec (exe_str, self.globalCtx, self.localCtx)
return (self.agentObjectPath)
@exportRpc