-
- def parse_rspec(self, rspec, namespaces={}):
- parser = etree.XMLParser(remove_blank_text=True)
- try:
- tree = etree.parse(rspec, parser)
- except IOError:
- # 'rspec' file doesnt exist. 'rspec' is proably an xml string
- try:
- tree = etree.parse(StringIO(rspec), parser)
- except:
- raise InvalidRSpec('Must specify a xml file or xml string. Received: ' + rspec )
-
- self.xml = tree.getroot()
- if namespaces:
- self.namespaces = namespaces
-
- def add_attribute(self, elem, name, value):
- opt = etree.SubElement(elem, name)
- opt.text = value
-
- def remove_attribute(self, elem, name, value):
- if elem is not None:
- opts = elem.iterfind(name)
- if opts is not None:
- for opt in opts:
- if opt.text == value:
- elem.remove(opt)
-
-
- def validate(self, schema):
- relaxng_doc = etree.parse(schema)
- relaxng = etree.RelaxNG(relaxng_doc)
- if not relaxng(self.xml):
- error = relaxng.error_log.last_error
- message = "%s (line %s)" % (error.message, error.line)
- raise InvalidRSpec(message)
- return True
-
-
- def __str__(self):
- return self.toxml()
-
- def toxml(self):
- return self.header + etree.tostring(self.xml, pretty_print=True)
-
+
+ def parse_xml(self, xml, version=None):
+ self.xml.parse_xml(xml)
+ if not version:
+ if self.xml.schema:
+ self.version = self.version_manager.get_version_by_schema(
+ self.xml.schema)
+ else:
+ #raise InvalidRSpec('unknown rspec schema: {}'.format(schema))
+ # TODO: Should start raising an exception once SFA defines a schema.
+ # for now we just default to sfa
+ self.version = self.version_manager.get_version(
+ {'type': 'sfa', 'version': '1'})
+ self.version.xml = self.xml
+ self.namespaces = self.xml.namespaces
+
+ def load_rspec_elements(self, rspec_elements):
+ self.elements = {}
+ for rspec_element in rspec_elements:
+ if isinstance(rspec_element, RSpecElement):
+ self.elements[rspec_element.type] = rspec_element
+
+ def register_rspec_element(self, element_type, element_name, element_path):
+ if element_type not in RSpecElements:
+ raise InvalidRSpecElement(element_type,
+ extra="no such element type: {}. Must specify a valid RSpecElement".format(element_type))
+ self.elements[element_type] = RSpecElement(
+ element_type, element_name, element_path)
+
+ def get_rspec_element(self, element_type):
+ if element_type not in self.elements:
+ msg = "ElementType {} not registered for this rspec".format(
+ element_type)
+ raise InvalidRSpecElement(element_type, extra=msg)
+ return self.elements[element_type]
+
+ def get(self, element_type, filter=None, depth=0):
+ if filter is None:
+ filter = {}
+ elements = self.get_elements(element_type, filter)
+ elements = [self.xml.get_element_attributes(
+ elem, depth=depth) for elem in elements]
+ return elements
+
+ def get_elements(self, element_type, filter=None):
+ """
+ search for a registered element
+ """
+ if filter is None:
+ filter = {}
+ if element_type not in self.elements:
+ msg = "Unable to search for element {} in rspec, expath expression not found."\
+ .format(element_type)
+ raise InvalidRSpecElement(element_type, extra=msg)
+ rspec_element = self.get_rspec_element(element_type)
+ xpath = rspec_element.path + XpathFilter.xpath(filter)
+ return self.xml.xpath(xpath)
+
+ def merge(self, in_rspec):
+ self.version.merge(in_rspec)
+
+ def filter(self, filter):
+ if 'component_manager_id' in filter:
+ nodes = self.version.get_nodes()
+ for node in nodes:
+ if 'component_manager_id' not in node.attrib or \
+ node.attrib['component_manager_id'] != filter['component_manager_id']:
+ parent = node.getparent()
+ parent.remove(node.element)
+
+ def toxml(self, header=True):
+ if header:
+ return self.header + self.xml.toxml()
+ else:
+ return self.xml.toxml()
+