class WorkflowXMLHandler(ContentHandler):
def __init__(self, new_wf=None):
""" If new_wf defined, it will be used as root of document """
# this is an attribute for the object to be created from the XML document
self.root = new_wf # the reference on the all document
self.stack = None # to keep last object
self.strings = None # to accumulate string object (list of strings) used to split long string
def startDocument(self):
# reset the process
# self.root=None
self.stack = []
self.strings = []
def endDocument(self):
pass
def startElement(self, name, attrs):
# print name ,"startElement", "attr=", attrs.getLength(), attrs.getNames()
self.clearCharacters(
) # clear to remove empty or nonprintable characters
if name == "Workflow":
if self.root is None: # if root not defined by constractor
self.root = Workflow()
self.stack.append(self.root)
elif name == "StepDefinition":
obj = StepDefinition("TemporaryXMLObject_StepDefinition")
if self.root is None: # in case we are saving Step only
self.root = obj
self.stack.append(obj)
elif name == "StepInstance":
obj = StepInstance("TemporaryXMLObject_StepInstance")
self.stack.append(obj)
elif name == "ModuleDefinition":
obj = ModuleDefinition("TemporaryXMLObject_ModuleDefinition")
if self.root is None: # in case we are saving Module only
self.root = obj
self.stack.append(obj)
elif name == "ModuleInstance":
obj = ModuleInstance("TemporaryXMLObject_ModuleInstance")
self.stack.append(obj)
elif name == "Parameter":
obj = Parameter(str(attrs['name']), None, str(attrs['type']),
str(attrs['linked_module']),
str(attrs['linked_parameter']), str(attrs['in']),
str(attrs['out']), str(attrs['description']))
self.stack.append(obj)
# TEMPORARY CODE
# 2020-03-27: this is temporary code since 2007-06-26
elif name == "origin" or name == "version" or name == "name"\
or name == "type" or name == "value"\
or name == "required" or name == "descr_short"\
or name == "name" or name == "type" or name == "description" or name == "body":
pass
else:
print("UNTREATED! startElement name=", name, "attr=",
attrs.getLength(), attrs.getNames())
pass
def endElement(self, name):
# print name, "endElement"
# attributes
if name == "origin":
self.stack[len(self.stack) - 1].setOrigin(self.getCharacters())
elif name == "version":
self.stack[len(self.stack) - 1].setVersion(self.getCharacters())
elif name == "name":
self.stack[len(self.stack) - 1].setName(self.getCharacters())
elif name == "type":
self.stack[len(self.stack) - 1].setType(self.getCharacters())
elif name == "required":
self.stack[len(self.stack) - 1].setRequired(self.getCharacters())
elif name == "descr_short":
self.stack[len(self.stack) - 1].setDescrShort(self.getCharacters())
elif name == "name":
self.stack[len(self.stack) - 1].setName(self.getCharacters())
elif name == "type":
self.stack[len(self.stack) - 1].setType(self.getCharacters())
elif name == "description":
self.stack[len(self.stack) - 1].setDescription(
self.getCharacters())
elif name == "body":
self.stack[len(self.stack) - 1].setBody(self.getCharacters())
elif name == "value":
ch = self.getCharacters()
# to keep compatibility with the old version
# were """ was not used for the string
if self.stack[len(self.stack) - 1].isTypeString():
self.stack[len(self.stack) - 1].setValue(ch)
else:
self.stack[len(self.stack) - 1].setValue(eval(ch))
# objects
elif name == "Workflow":
self.stack.pop()
elif name == "StepDefinition":
self.root.step_definitions.append(self.stack.pop())
elif name == "StepInstance":
self.root.step_instances.append(self.stack.pop())
elif name == "ModuleDefinition":
self.root.addModule(self.stack.pop())
elif name == "ModuleInstance":
obj = self.stack.pop()
self.stack[len(self.stack) - 1].module_instances.append(obj)
elif name == "Parameter":
obj = self.stack.pop()
self.stack[len(self.stack) - 1].addParameter(obj)
else:
print("UNTREATED! endElement", name)
def getCharacters(self):
# combine all strings and clear the list
ret = ''.join(self.strings)
self.clearCharacters()
return str(ret)
def clearCharacters(self):
del self.strings
self.strings = []
def characters(self, content):
self.strings.append(content)
class WorkflowXMLHandler(ContentHandler):
def __init__(self, new_wf=None):
""" If new_wf defined, it will be used as root of document """
# this is an attribute for the object to be created from the XML document
self.root=new_wf # the reference on the all document
self.stack=None # to keep last object
self.strings=None # to accumulate string object (list of strings) used to split long string
def startDocument(self):
#reset the process
#self.root=None
self.stack=[]
self.strings=[]
def endDocument(self):
pass
def startElement(self, name, attrs):
#print name ,"startElement", "attr=", attrs.getLength(), attrs.getNames()
self.clearCharacters() # clear to remove empty or nonprintable characters
if name == "Workflow":
if self.root == None: #if root not defined by constractor
self.root = Workflow()
self.stack.append(self.root)
elif name == "StepDefinition":
obj = StepDefinition("TemporaryXMLObject_StepDefinition")
if self.root == None: # in case we are saving Step only
self.root = obj
self.stack.append(obj)
elif name == "StepInstance":
obj = StepInstance("TemporaryXMLObject_StepInstance")
self.stack.append(obj)
elif name == "ModuleDefinition":
obj = ModuleDefinition("TemporaryXMLObject_ModuleDefinition")
if self.root == None: # in case we are saving Module only
self.root = obj
self.stack.append(obj)
elif name == "ModuleInstance":
obj = ModuleInstance("TemporaryXMLObject_ModuleInstance")
self.stack.append(obj)
elif name == "Parameter":
obj = Parameter(str(attrs['name']), None, str(attrs['type']), str(attrs['linked_module']), str(attrs['linked_parameter']), str(attrs['in']), str(attrs['out']), str(attrs['description']))
self.stack.append(obj)
# TEMPORARY CODE
elif name=="origin" or name == "version" or name == "name" or name == "type" or name == "value" or\
name == "required" or name == "descr_short" or name == "name" or name == "type" or name == "description" or name == "body":
pass
else:
print "UNTREATED! startElement name=", name, "attr=", attrs.getLength(), attrs.getNames()
pass
def endElement(self, name):
#print name, "endElement"
# attributes
if name=="origin":
self.stack[len(self.stack)-1].setOrigin(self.getCharacters())
elif name == "version":
self.stack[len(self.stack)-1].setVersion(self.getCharacters())
elif name == "name":
self.stack[len(self.stack)-1].setName(self.getCharacters())
elif name == "type":
self.stack[len(self.stack)-1].setType(self.getCharacters())
elif name == "required":
self.stack[len(self.stack)-1].setRequired(self.getCharacters())
elif name == "descr_short":
self.stack[len(self.stack)-1].setDescrShort(self.getCharacters())
elif name == "name":
self.stack[len(self.stack)-1].setName(self.getCharacters())
elif name == "type":
self.stack[len(self.stack)-1].setType(self.getCharacters())
elif name == "description":
self.stack[len(self.stack)-1].setDescription(self.getCharacters())
elif name == "body":
self.stack[len(self.stack)-1].setBody(self.getCharacters())
elif name == "value":
ch = self.getCharacters()
# to keep compatibility with the old version
# were """ was not used for the string
if self.stack[len(self.stack)-1].isTypeString():
self.stack[len(self.stack)-1].setValue(ch)
else:
self.stack[len(self.stack)-1].setValue(eval(ch))
#objects
elif name=="Workflow":
self.stack.pop()
elif name == "StepDefinition":
self.root.step_definitions.append(self.stack.pop())
elif name == "StepInstance":
self.root.step_instances.append(self.stack.pop())
elif name == "ModuleDefinition":
self.root.addModule(self.stack.pop())
elif name == "ModuleInstance":
obj=self.stack.pop()
self.stack[len(self.stack)-1].module_instances.append(obj)
elif name == "Parameter":
obj=self.stack.pop();
self.stack[len(self.stack)-1].addParameter(obj)
else:
print "UNTREATED! endElement", name
def getCharacters(self):
# combine all strings and clear the list
ret = ''.join(self.strings)
self.clearCharacters()
return str(ret)
def clearCharacters(self):
del self.strings
self.strings=[]
def characters(self, content):
self.strings.append(content)
