def load_xml(self, filename): xml = XML(filename) categories = xml.xpath('//configuration/variables/category') for category in categories: section_name = category.get('id') if not self.config.has_section(section_name): self.config.add_section(section_name) options = category.xpath('./variablelist/variable') for option in options: option_name = option.get('id') value = option.xpath('./value')[0].text if not value: value = "" self.config.set(section_name, option_name, value)
class RSpec: def __init__(self, rspec="", version=None, user_options={}): self.header = '<?xml version="1.0"?>\n' self.template = """<RSpec></RSpec>""" self.version = None self.xml = XML() self.version_manager = VersionManager() self.user_options = user_options self.elements = {} if rspec: if version: self.version = self.version_manager.get_version(version) self.parse_xml(rspec, version) else: self.parse_xml(rspec) elif version: self.create(version) else: raise InvalidRSpec( "No RSpec or version specified. Must specify a valid rspec string or a valid version" ) def create(self, version=None): """ Create root element """ self.version = self.version_manager.get_version(version) self.namespaces = self.version.namespaces self.parse_xml(self.version.template, self.version) # eg. 2011-03-23T19:53:28Z date_format = '%Y-%m-%dT%H:%M:%SZ' now = datetime.utcnow() generated_ts = now.strftime(date_format) expires_ts = (now + timedelta(hours=1)).strftime(date_format) self.xml.set('expires', expires_ts) self.xml.set('generated', generated_ts) 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: %s' % 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: %s. Must specify a valid RSpecElement" % 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 %s not registerd for this rspec" % element_type raise InvalidRSpecElement(element_type, extra=msg) return self.elements[element_type] def get(self, element_type, filter={}, depth=0): 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={}): """ search for a registered element """ if element_type not in self.elements: msg = "Unable to search for element %s in rspec, expath expression not found." % \ 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_node_elements() 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) def toxml(self, header=True): if header: return self.header + self.xml.toxml() else: return self.xml.toxml() def save(self, filename): return self.xml.save(filename)
class RSpec: def __init__(self, rspec="", version=None, user_options={}): self.header = '<?xml version="1.0"?>\n' self.template = """<RSpec></RSpec>""" self.version = None self.xml = XML() self.version_manager = VersionManager() self.user_options = user_options self.elements = {} if rspec: if version: self.version = self.version_manager.get_version(version) self.parse_xml(rspec, version) else: self.parse_xml(rspec) elif version: self.create(version) else: raise InvalidRSpec("No RSpec or version specified. Must specify a valid rspec string or a valid version") def create(self, version=None): """ Create root element """ self.version = self.version_manager.get_version(version) self.namespaces = self.version.namespaces self.parse_xml(self.version.template, self.version) # eg. 2011-03-23T19:53:28Z date_format = '%Y-%m-%dT%H:%M:%SZ' now = datetime.utcnow() generated_ts = now.strftime(date_format) expires_ts = (now + timedelta(hours=1)).strftime(date_format) self.xml.set('expires', expires_ts) self.xml.set('generated', generated_ts) 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: %s' % 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: %s. Must specify a valid RSpecElement" % 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 %s not registerd for this rspec" % element_type raise InvalidRSpecElement(element_type, extra=msg) return self.elements[element_type] def get(self, element_type, filter={}, depth=0): 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={}): """ search for a registered element """ if element_type not in self.elements: msg = "Unable to search for element %s in rspec, expath expression not found." % \ 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_node_elements() 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) def toxml(self, header=True): if header: return self.header + self.xml.toxml() else: return self.xml.toxml() def save(self, filename): return self.xml.save(filename)