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'Process L{Types} objects and create the schema collection'
def build_schema(self):
container = SchemaCollection(self) for t in [t for t in self.types if t.local()]: for root in t.contents(): schema = Schema(root, self.url, self.options, container) container.add(schema) if (not len(container)): root = Element.buildPath(self.root, 'types/schema') ...
'Build method view for service'
def add_methods(self, service):
bindings = {'document/literal': Document(self), 'rpc/literal': RPC(self), 'rpc/encoded': Encoded(self)} for p in service.ports: binding = p.binding ptype = p.binding.type operations = p.binding.type.operations.values() for name in [op.name for op in operations]: m = F...
'set (wrapped|bare) flag on messages'
def set_wrapped(self):
for b in self.bindings.values(): for op in b.operations.values(): for body in (op.soap.input.body, op.soap.output.body): body.wrapped = False if (len(body.parts) != 1): continue for p in body.parts: if (p.ele...
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
WObject.__init__(self, root, definitions) self.location = root.get('location') self.ns = root.get('namespace') self.imported = None pmd = self.__metadata__.__print__ pmd.wrappers['imported'] = repr
'Load the object by opening the URL'
def load(self, definitions):
url = self.location log.debug('importing (%s)', url) if ('://' not in url): url = urljoin(definitions.url, url) options = definitions.options d = Definitions(url, options) if d.root.match(Definitions.Tag, wsdlns): self.import_definitions(definitions, d) return if d...
'import/merge wsdl definitions'
def import_definitions(self, definitions, d):
definitions.types += d.types definitions.messages.update(d.messages) definitions.port_types.update(d.port_types) definitions.bindings.update(d.bindings) self.imported = d log.debug('imported (WSDL):\n%s', d)
'import schema as <types/> content'
def import_schema(self, definitions, d):
if (not len(definitions.types)): types = Types.create(definitions) definitions.types.append(types) else: types = definitions.types[(-1)] types.root.append(d.root) log.debug('imported (XSD):\n%s', d.root)
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
WObject.__init__(self, root, definitions) self.definitions = definitions
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
NamedObject.__init__(self, root, definitions) pmd = Metadata() pmd.wrappers = dict(element=repr, type=repr) self.__metadata__.__print__ = pmd tns = definitions.tns self.element = self.__getref('element', tns) self.type = self.__getref('type', tns)
'Get the qualified value of attribute named \'a\'.'
def __getref(self, a, tns):
s = self.root.get(a) if (s is None): return s else: return qualify(s, self.root, tns)
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
NamedObject.__init__(self, root, definitions) self.parts = [] for p in root.getChildren('part'): part = Part(p, definitions) self.parts.append(part)
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
NamedObject.__init__(self, root, definitions) self.operations = {} for c in root.getChildren('operation'): op = Facade('Operation') op.name = c.get('name') op.tns = definitions.tns input = c.getChild('input') if (input is None): op.input = None els...
'Resolve named references to other WSDL objects. @param definitions: A definitions object. @type definitions: L{Definitions}'
def resolve(self, definitions):
for op in self.operations.values(): if (op.input is None): op.input = Message(Element('no-input'), definitions) else: qref = qualify(op.input, self.root, definitions.tns) msg = definitions.messages.get(qref) if (msg is None): raise Exce...
'Shortcut used to get a contained operation by name. @param name: An operation name. @type name: str @return: The named operation. @rtype: Operation @raise L{MethodNotFound}: When not found.'
def operation(self, name):
try: return self.operations[name] except Exception as e: raise MethodNotFound(name)
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
NamedObject.__init__(self, root, definitions) self.operations = {} self.type = root.get('type') sr = self.soaproot() if (sr is None): self.soap = None log.debug('binding: "%s" not a soap binding', self.name) return soap = Facade('soap') self.soap = soap...
'get the soap:binding'
def soaproot(self):
for ns in (soapns, soap12ns): sr = self.root.getChild('binding', ns=ns) if (sr is not None): return sr return None
'Add <operation/> children'
def add_operations(self, root, definitions):
dsop = Element('operation', ns=soapns) for c in root.getChildren('operation'): op = Facade('Operation') op.name = c.get('name') sop = c.getChild('operation', default=dsop) soap = Facade('soap') soap.action = ('"%s"' % sop.get('soapAction', default='')) soap.style ...
'add the input/output body properties'
def body(self, definitions, body, root):
if (root is None): body.use = 'literal' body.namespace = definitions.tns body.parts = () return parts = root.get('parts') if (parts is None): body.parts = () else: body.parts = re.split('[\\s,]', parts) body.use = root.get('use', default='literal') ...
'add the input/output header properties'
def header(self, definitions, parent, root):
if (root is None): return header = Facade('Header') parent.headers.append(header) header.use = root.get('use', default='literal') ns = root.get('namespace') if (ns is None): header.namespace = definitions.tns else: prefix = root.findPrefix(ns, 'h0') header.nam...
'Resolve named references to other WSDL objects. This includes cross-linking information (from) the portType (to) the I{soap} protocol information on the binding for each operation. @param definitions: A definitions object. @type definitions: L{Definitions}'
def resolve(self, definitions):
self.resolveport(definitions) for op in self.operations.values(): self.resolvesoapbody(definitions, op) self.resolveheaders(definitions, op) self.resolvefaults(definitions, op)
'Resolve port_type reference. @param definitions: A definitions object. @type definitions: L{Definitions}'
def resolveport(self, definitions):
ref = qualify(self.type, self.root, definitions.tns) port_type = definitions.port_types.get(ref) if (port_type is None): raise Exception(("portType '%s', not-found" % self.type)) else: self.type = port_type
'Resolve soap body I{message} parts by cross-referencing with operation defined in port type. @param definitions: A definitions object. @type definitions: L{Definitions} @param op: An I{operation} object. @type op: I{operation}'
def resolvesoapbody(self, definitions, op):
ptop = self.type.operation(op.name) if (ptop is None): raise Exception, ("operation '%s' not defined in portType" % op.name) soap = op.soap parts = soap.input.body.parts if len(parts): pts = [] for p in ptop.input.parts: if (p.name in parts): ...
'Resolve soap header I{message} references. @param definitions: A definitions object. @type definitions: L{Definitions} @param op: An I{operation} object. @type op: I{operation}'
def resolveheaders(self, definitions, op):
soap = op.soap headers = (soap.input.headers + soap.output.headers) for header in headers: mn = header.message ref = qualify(mn, self.root, definitions.tns) message = definitions.messages.get(ref) if (message is None): raise Exception, ("message'%s', not-found"...
'Resolve soap fault I{message} references by cross-referencing with operation defined in port type. @param definitions: A definitions object. @type definitions: L{Definitions} @param op: An I{operation} object. @type op: I{operation}'
def resolvefaults(self, definitions, op):
ptop = self.type.operation(op.name) if (ptop is None): raise Exception, ("operation '%s' not defined in portType" % op.name) soap = op.soap for fault in soap.faults: for f in ptop.faults: if (f.name == fault.name): fault.parts = f.message.parts ...
'Shortcut used to get a contained operation by name. @param name: An operation name. @type name: str @return: The named operation. @rtype: Operation @raise L{MethodNotFound}: When not found.'
def operation(self, name):
try: return self.operations[name] except: raise MethodNotFound(name)
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions} @param service: A service object. @type service: L{Service}'
def __init__(self, root, definitions, service):
NamedObject.__init__(self, root, definitions) self.__service = service self.binding = root.get('binding') address = root.getChild('address') if (address is None): self.location = None else: self.location = address.get('location').encode('utf-8') self.methods = {}
'Get a method defined in this portType by name. @param name: A method name. @type name: str @return: The requested method object. @rtype: I{Method}'
def method(self, name):
return self.methods.get(name)
'@param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions}'
def __init__(self, root, definitions):
NamedObject.__init__(self, root, definitions) self.ports = [] for p in root.getChildren('port'): port = Port(p, definitions, self) self.ports.append(port)
'Locate a port by name. @param name: A port name. @type name: str @return: The port object. @rtype: L{Port}'
def port(self, name):
for p in self.ports: if (p.name == name): return p return None
'Override the invocation location (url) for service method. @param url: A url location. @type url: A url. @param names: A list of method names. None=ALL @type names: [str,..]'
def setlocation(self, url, names=None):
for p in self.ports: for m in p.methods.values(): if ((names is None) or (m.name in names)): m.location = url
'Resolve named references to other WSDL objects. Ports without soap bindings are discarded. @param definitions: A definitions object. @type definitions: L{Definitions}'
def resolve(self, definitions):
filtered = [] for p in self.ports: ref = qualify(p.binding, self.root, definitions.tns) binding = definitions.bindings.get(ref) if (binding is None): raise Exception(("binding '%s', not-found" % p.binding)) if (binding.soap is None): log.debug('bindi...
'Create an object based on the root tag name. @param root: An XML root element. @type root: L{Element} @param definitions: A definitions object. @type definitions: L{Definitions} @return: The created object. @rtype: L{WObject}'
@classmethod def create(cls, root, definitions):
fn = cls.tags.get(root.name) if (fn is not None): return fn(root, definitions) else: return None
'Process an object graph representation of the xml I{node}. @param content: The current content being unmarshalled. @type content: L{Content} @return: A suds object. @rtype: L{Object}'
def process(self, content):
self.reset() return self.append(content)
'Process the specified node and convert the XML document into a I{suds} L{object}. @param content: The current content being unmarshalled. @type content: L{Content} @return: A I{append-result} tuple as: (L{Object}, I{value}) @rtype: I{append-result} @note: This is not the proper entry point. @see: L{process()}'
def append(self, content):
self.start(content) self.append_attributes(content) self.append_children(content) self.append_text(content) self.end(content) return self.postprocess(content)
'Perform final processing of the resulting data structure as follows: - Mixed values (children and text) will have a result of the I{content.node}. - Simi-simple values (attributes, no-children and text) will have a result of a property object. - Simple values (no-attributes, no-children with text nodes) will have a st...
def postprocess(self, content):
node = content.node if (len(node.children) and node.hasText()): return node attributes = AttrList(node.attributes) if (attributes.rlen() and (not len(node.children)) and node.hasText()): p = Factory.property(node.name, node.getText()) return merge(content.data, p) if len(cont...
'Append attribute nodes into L{Content.data}. Attributes in the I{schema} or I{xml} namespaces are skipped. @param content: The current content being unmarshalled. @type content: L{Content}'
def append_attributes(self, content):
attributes = AttrList(content.node.attributes) for attr in attributes.real(): name = attr.name value = attr.value self.append_attribute(name, value, content)
'Append an attribute name/value into L{Content.data}. @param name: The attribute name @type name: basestring @param value: The attribute\'s value @type value: basestring @param content: The current content being unmarshalled. @type content: L{Content}'
def append_attribute(self, name, value, content):
key = name key = ('_%s' % reserved.get(key, key)) setattr(content.data, key, value)
'Append child nodes into L{Content.data} @param content: The current content being unmarshalled. @type content: L{Content}'
def append_children(self, content):
for child in content.node: cont = Content(child) cval = self.append(cont) key = reserved.get(child.name, child.name) if (key in content.data): v = getattr(content.data, key) if isinstance(v, list): v.append(cval) else: ...
'Append text nodes into L{Content.data} @param content: The current content being unmarshalled. @type content: L{Content}'
def append_text(self, content):
if content.node.hasText(): content.text = content.node.getText()
'Processing on I{node} has started. Build and return the proper object. @param content: The current content being unmarshalled. @type content: L{Content} @return: A subclass of Object. @rtype: L{Object}'
def start(self, content):
content.data = Factory.object(content.node.name)
'Processing on I{node} has ended. @param content: The current content being unmarshalled. @type content: L{Content}'
def end(self, content):
pass
'Get whether the content is bounded (not a list). @param content: The current content being unmarshalled. @type content: L{Content} @return: True if bounded, else False @rtype: boolean'
def bounded(self, content):
return (not self.unbounded(content))
'Get whether the object is unbounded (a list). @param content: The current content being unmarshalled. @type content: L{Content} @return: True if unbounded, else False @rtype: boolean'
def unbounded(self, content):
return False
'Get whether the object is nillable. @param content: The current content being unmarshalled. @type content: L{Content} @return: True if nillable, else False @rtype: boolean'
def nillable(self, content):
return False
'@param schema: A schema object. @type schema: L{xsd.schema.Schema}'
def __init__(self, schema):
self.resolver = NodeResolver(schema)
'Process an object graph representation of the xml L{node}. @param node: An XML tree. @type node: L{sax.element.Element} @param type: The I{optional} schema type. @type type: L{xsd.sxbase.SchemaObject} @return: A suds object. @rtype: L{Object}'
def process(self, node, type):
content = Content(node) content.type = type return Core.process(self, content)
'Append an attribute name/value into L{Content.data}. @param name: The attribute name @type name: basestring @param value: The attribute\'s value @type value: basestring @param content: The current content being unmarshalled. @type content: L{Content}'
def append_attribute(self, name, value, content):
type = self.resolver.findattr(name) if (type is None): log.warn('attribute (%s) type, not-found', name) else: value = self.translated(value, type) Core.append_attribute(self, name, value, content)
'Append text nodes into L{Content.data} Here is where the I{true} type is used to translate the value into the proper python type. @param content: The current content being unmarshalled. @type content: L{Content}'
def append_text(self, content):
Core.append_text(self, content) known = self.resolver.top().resolved content.text = self.translated(content.text, known)
'translate using the schema type'
def translated(self, value, type):
if (value is not None): resolved = type.resolve() return resolved.translate(value) else: return value
'Grab the (aty) soap-enc:arrayType and attach it to the content for proper array processing later in end(). @param content: The current content being unmarshalled. @type content: L{Content} @return: self @rtype: L{Encoded}'
def setaty(self, content):
name = 'arrayType' ns = (None, 'http://schemas.xmlsoap.org/soap/encoding/') aty = content.node.get(name, ns) if (aty is not None): content.aty = aty parts = aty.split('[') ref = parts[0] if (len(parts) == 2): self.applyaty(content, ref) else: ...
'Apply the type referenced in the I{arrayType} to the content (child nodes) of the array. Each element (node) in the array that does not have an explicit xsi:type attribute is given one based on the I{arrayType}. @param content: An array content. @type content: L{Content} @param xty: The XSI type reference. @type xty:...
def applyaty(self, content, xty):
name = 'type' ns = Namespace.xsins parent = content.node for child in parent.getChildren(): ref = child.get(name, ns) if (ref is None): parent.addPrefix(ns[0], ns[1]) attr = ':'.join((ns[0], name)) child.set(attr, xty) return self
'Promote (replace) the content.data with the first attribute of the current content.data that is a I{list}. Note: the content.data may be empty or contain only _x attributes. In either case, the content.data is assigned an empty list. @param content: An array content. @type content: L{Content}'
def promote(self, content):
for (n, v) in content.data: if isinstance(v, list): content.data = v return content.data = []
'Process an object graph representation of the xml I{node}. @param node: An XML tree. @type node: L{sax.element.Element} @return: A suds object. @rtype: L{Object}'
def process(self, node):
content = Content(node) return Core.process(self, content)
'@param attributes: A list of attributes @type attributes: list'
def __init__(self, attributes):
self.raw = attributes
'Get list of I{real} attributes which exclude xs and xml attributes. @return: A list of I{real} attributes. @rtype: I{generator}'
def real(self):
for a in self.raw: if self.skip(a): continue (yield a)
'Get the number of I{real} attributes which exclude xs and xml attributes. @return: A count of I{real} attributes. @rtype: L{int}'
def rlen(self):
n = 0 for a in self.real(): n += 1 return n
'Get list of I{filtered} attributes which exclude xs. @return: A list of I{filtered} attributes. @rtype: I{generator}'
def lang(self):
for a in self.raw: if (a.qname() == 'xml:lang'): return a.value return None
'Get whether to skip (filter-out) the specified attribute. @param attr: An attribute. @type attr: I{Attribute} @return: True if should be skipped. @rtype: bool'
def skip(self, attr):
ns = attr.namespace() skip = (Namespace.xmlns[1], 'http://schemas.xmlsoap.org/soap/encoding/', 'http://schemas.xmlsoap.org/soap/envelope/', 'http://www.w3.org/2003/05/soap-envelope') return (Namespace.xs(ns) or (ns[1] in skip))
'@param wsdl: A wsdl object @type wsdl: L{Definitions} @param service: A service B{name}. @type service: str'
def __init__(self, wsdl, service):
self.wsdl = wsdl self.service = service self.ports = [] self.params = [] self.types = [] self.prefixes = [] self.addports() self.paramtypes() self.publictypes() self.getprefixes() self.pushprefixes()
'Add our prefixes to the wsdl so that when users invoke methods and reference the prefixes, the will resolve properly.'
def pushprefixes(self):
for ns in self.prefixes: self.wsdl.root.addPrefix(ns[0], ns[1])
'Look through the list of service ports and construct a list of tuples where each tuple is used to describe a port and it\'s list of methods as: (port, [method]). Each method is tuple: (name, [pdef,..] where each pdef is a tuple: (param-name, type).'
def addports(self):
timer = metrics.Timer() timer.start() for port in self.service.ports: p = self.findport(port) for op in port.binding.operations.values(): m = p[0].method(op.name) binding = m.binding.input method = (m.name, binding.param_defs(m)) p[1].append(me...
'Find and return a port tuple for the specified port. Created and added when not found. @param port: A port. @type port: I{service.Port} @return: A port tuple. @rtype: (port, [method])'
def findport(self, port):
for p in self.ports: if (p[0] == p): return p p = (port, []) self.ports.append(p) return p
'Add prefixes foreach namespace referenced by parameter types.'
def getprefixes(self):
namespaces = [] for l in (self.params, self.types): for (t, r) in l: ns = r.namespace() if (ns[1] is None): continue if (ns[1] in namespaces): continue if (Namespace.xs(ns) or Namespace.xsd(ns)): continue ...
'get all parameter types'
def paramtypes(self):
for m in [p[1] for p in self.ports]: for p in [p[1] for p in m]: for pd in p: if (pd[1] in self.params): continue item = (pd[1], pd[1].resolve()) self.params.append(item)
'get all public types'
def publictypes(self):
for t in self.wsdl.schema.types.values(): if (t in self.params): continue if (t in self.types): continue item = (t, t) self.types.append(item) tc = (lambda x, y: cmp(x[0].name, y[0].name)) self.types.sort(cmp=tc)
'Get the next available prefix. This means a prefix starting with \'ns\' with a number appended as (ns0, ns1, ..) that is not already defined on the wsdl document.'
def nextprefix(self):
used = [ns[0] for ns in self.prefixes] used += [ns[0] for ns in self.wsdl.root.nsprefixes.items()] for n in range(0, 1024): p = ('ns%d' % n) if (p not in used): return p raise Exception('prefixes exhausted')
'Get the prefix for the specified namespace (uri) @param u: A namespace uri. @type u: str @return: The namspace. @rtype: (prefix, uri).'
def getprefix(self, u):
for ns in Namespace.all: if (u == ns[1]): return ns[0] for ns in self.prefixes: if (u == ns[1]): return ns[0] raise Exception(('ns (%s) not mapped' % u))
'Get a (namespace) translated I{qualified} name for specified type. @param type: A schema type. @type type: I{suds.xsd.sxbasic.SchemaObject} @return: A translated I{qualified} name. @rtype: str'
def xlate(self, type):
resolved = type.resolve() name = resolved.name if type.unbounded(): name += '[]' ns = resolved.namespace() if (ns[1] == self.wsdl.tns[1]): return name prefix = self.getprefix(ns[1]) return ':'.join((prefix, name))
'Get a textual description of the service for which this object represents. @return: A textual description. @rtype: str'
def description(self):
s = [] indent = (lambda n: ('\n%*s' % ((n * 3), ' '))) s.append(('Service ( %s ) tns="%s"' % (self.service.name, self.wsdl.tns[1]))) s.append(indent(1)) s.append(('Prefixes (%d)' % len(self.prefixes))) for p in self.prefixes: s.append(indent(2)) s.append(('%s ...
'@param schema: A schema object. @type schema: L{xsd.schema.Schema}'
def __init__(self, schema):
self.schema = schema
'Get the definition object for the schema object by name. @param name: The name of a schema object. @type name: basestring @param resolved: A flag indicating that the fully resolved type should be returned. @type resolved: boolean @return: The found schema I{type} @rtype: L{xsd.sxbase.SchemaObject}'
def find(self, name, resolved=True):
log.debug('searching schema for (%s)', name) qref = qualify(name, self.schema.root, self.schema.tns) query = BlindQuery(qref) result = query.execute(self.schema) if (result is None): log.error('(%s) not-found', name) return None log.debug('found (%s) as (%s)'...
'@param wsdl: A schema object. @type wsdl: L{wsdl.Definitions} @param ps: The path separator character @type ps: char'
def __init__(self, wsdl, ps='.'):
Resolver.__init__(self, wsdl.schema) self.wsdl = wsdl self.altp = re.compile('({)(.+)(})(.+)') self.splitp = re.compile(('({.+})*[^\\%s]+' % ps[0]))
'Get the definition object for the schema type located at the specified path. The path may contain (.) dot notation to specify nested types. Actually, the path separator is usually a (.) but can be redefined during contruction. @param path: A (.) separated path to a schema type. @type path: basestring @param resolved: ...
def find(self, path, resolved=True):
result = None parts = self.split(path) try: result = self.root(parts) if (len(parts) > 1): result = result.resolve(nobuiltin=True) result = self.branch(result, parts) result = self.leaf(result, parts) if resolved: result = result.resolv...
'Find the path root. @param parts: A list of path parts. @type parts: [str,..] @return: The root. @rtype: L{xsd.sxbase.SchemaObject}'
def root(self, parts):
result = None name = parts[0] log.debug('searching schema for (%s)', name) qref = self.qualify(parts[0]) query = BlindQuery(qref) result = query.execute(self.schema) if (result is None): log.error('(%s) not-found', name) raise PathResolver.BadPath(name) else: ...
'Traverse the path until the leaf is reached. @param parts: A list of path parts. @type parts: [str,..] @param root: The root. @type root: L{xsd.sxbase.SchemaObject} @return: The end of the branch. @rtype: L{xsd.sxbase.SchemaObject}'
def branch(self, root, parts):
result = root for part in parts[1:(-1)]: name = splitPrefix(part)[1] log.debug('searching parent (%s) for (%s)', Repr(result), name) (result, ancestry) = result.get_child(name) if (result is None): log.error('(%s) not-found', name) raise Pat...
'Find the leaf. @param parts: A list of path parts. @type parts: [str,..] @param parent: The leaf\'s parent. @type parent: L{xsd.sxbase.SchemaObject} @return: The leaf. @rtype: L{xsd.sxbase.SchemaObject}'
def leaf(self, parent, parts):
name = splitPrefix(parts[(-1)])[1] if name.startswith('@'): (result, path) = parent.get_attribute(name[1:]) else: (result, ancestry) = parent.get_child(name) if (result is None): raise PathResolver.BadPath(name) return result
'Qualify the name as either: - plain name - ns prefixed name (eg: ns0:Person) - fully ns qualified name (eg: {http://myns-uri}Person) @param name: The name of an object in the schema. @type name: str @return: A qualifed name. @rtype: qname'
def qualify(self, name):
m = self.altp.match(name) if (m is None): return qualify(name, self.wsdl.root, self.wsdl.tns) else: return (m.group(4), m.group(2))
'Split the string on (.) while preserving any (.) inside the \'{}\' alternalte syntax for full ns qualification. @param s: A plain or qualifed name. @type s: str @return: A list of the name\'s parts. @rtype: [str,..]'
def split(self, s):
parts = [] b = 0 while 1: m = self.splitp.match(s, b) if (m is None): break (b, e) = m.span() parts.append(s[b:e]) b = (e + 1) return parts
'@param schema: A schema object. @type schema: L{xsd.schema.Schema}'
def __init__(self, schema):
Resolver.__init__(self, schema) self.stack = Stack()
'Reset the resolver\'s state.'
def reset(self):
self.stack = Stack()
'Push an I{object} onto the stack. @param x: An object to push. @type x: L{Frame} @return: The pushed frame. @rtype: L{Frame}'
def push(self, x):
if isinstance(x, Frame): frame = x else: frame = Frame(x) self.stack.append(frame) log.debug('push: (%s)\n%s', Repr(frame), Repr(self.stack)) return frame
'Get the I{frame} at the top of the stack. @return: The top I{frame}, else None. @rtype: L{Frame}'
def top(self):
if len(self.stack): return self.stack[(-1)] else: return Frame.Empty()
'Pop the frame at the top of the stack. @return: The popped frame, else None. @rtype: L{Frame}'
def pop(self):
if len(self.stack): popped = self.stack.pop() log.debug('pop: (%s)\n%s', Repr(popped), Repr(self.stack)) return popped else: log.debug('stack empty, not-popped') return None
'Get the current stack depth. @return: The current stack depth. @rtype: int'
def depth(self):
return len(self.stack)
'get a child by name'
def getchild(self, name, parent):
log.debug('searching parent (%s) for (%s)', Repr(parent), name) if name.startswith('@'): return parent.get_attribute(name[1:]) else: return parent.get_child(name)
'@param schema: A schema object. @type schema: L{xsd.schema.Schema}'
def __init__(self, schema):
TreeResolver.__init__(self, schema)
'@param node: An xml node to be resolved. @type node: L{sax.element.Element} @param resolved: A flag indicating that the fully resolved type should be returned. @type resolved: boolean @param push: Indicates that the resolved type should be pushed onto the stack. @type push: boolean @return: The found schema I{type} @r...
def find(self, node, resolved=False, push=True):
name = node.name parent = self.top().resolved if (parent is None): (result, ancestry) = self.query(name, node) else: (result, ancestry) = self.getchild(name, parent) known = self.known(node) if (result is None): return result if push: frame = Frame(result, res...
'Find an attribute type definition. @param name: An attribute name. @type name: basestring @param resolved: A flag indicating that the fully resolved type should be returned. @type resolved: boolean @return: The found schema I{type} @rtype: L{xsd.sxbase.SchemaObject}'
def findattr(self, name, resolved=True):
name = ('@%s' % name) parent = self.top().resolved if (parent is None): (result, ancestry) = self.query(name, node) else: (result, ancestry) = self.getchild(name, parent) if (result is None): return result if resolved: result = result.resolve() return result
'blindly query the schema by name'
def query(self, name, node):
log.debug('searching schema for (%s)', name) qref = qualify(name, node, node.namespace()) query = BlindQuery(qref) result = query.execute(self.schema) return (result, [])
'resolve type referenced by @xsi:type'
def known(self, node):
ref = node.get('type', Namespace.xsins) if (ref is None): return None qref = qualify(ref, node, node.namespace()) query = BlindQuery(qref) return query.execute(self.schema)
'@param schema: A schema object. @type schema: L{xsd.schema.Schema}'
def __init__(self, schema):
TreeResolver.__init__(self, schema)
'@param name: The name of the object to be resolved. @type name: basestring @param object: The name\'s value. @type object: (any|L{Object}) @param resolved: A flag indicating that the fully resolved type should be returned. @type resolved: boolean @param push: Indicates that the resolved type should be pushed onto the ...
def find(self, name, object, resolved=False, push=True):
known = None parent = self.top().resolved if (parent is None): (result, ancestry) = self.query(name) else: (result, ancestry) = self.getchild(name, parent) if (result is None): return None if isinstance(object, Object): known = self.known(object) if push: ...
'blindly query the schema by name'
def query(self, name):
log.debug('searching schema for (%s)', name) schema = self.schema wsdl = self.wsdl() if (wsdl is None): qref = qualify(name, schema.root, schema.tns) else: qref = qualify(name, wsdl.root, wsdl.tns) query = BlindQuery(qref) result = query.execute(schema) return (r...
'get the wsdl'
def wsdl(self):
container = self.schema.container if (container is None): return None else: return container.wsdl
'get the type specified in the object\'s metadata'
def known(self, object):
try: md = object.__metadata__ known = md.sxtype return known except: pass
'get s string representation of object'
def tostr(self, object, indent=(-2)):
history = [] return self.process(object, history, indent)
'print object using the specified indent (n) and newline (nl).'
def process(self, object, h, n=0, nl=False):
if (object is None): return 'None' if isinstance(object, Object): if (len(object) == 0): return '<empty>' else: return self.print_object(object, h, (n + 2), nl) if isinstance(object, dict): if (len(object) == 0): return '<empty>' el...
'print complex using the specified indent (n) and newline (nl).'
def print_object(self, d, h, n, nl=False):
s = [] cls = d.__class__ md = d.__metadata__ if (d in h): s.append('(') s.append(cls.__name__) s.append(')') s.append('...') return ''.join(s) h.append(d) if nl: s.append('\n') s.append(self.indent(n)) if (cls != Object): s.appe...
'print complex using the specified indent (n) and newline (nl).'
def print_dictionary(self, d, h, n, nl=False):
if (d in h): return '{}...' h.append(d) s = [] if nl: s.append('\n') s.append(self.indent(n)) s.append('{') for item in d.items(): s.append('\n') s.append(self.indent((n + 1))) if isinstance(item[1], (list, tuple)): s.append(tostr(item[...
'print collection using the specified indent (n) and newline (nl).'
def print_collection(self, c, h, n):
if (c in h): return '[]...' h.append(c) s = [] for item in c: s.append('\n') s.append(self.indent(n)) s.append(self.process(item, h, (n - 2))) s.append(',') h.pop() return ''.join(s)