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The I{sxbase} module provides I{base} classes that represent
schema objects.
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A schema object is an extension to object object with
with schema awareness.
@ivar root: The XML root element.
@type root: L{Element}
@ivar schema: The schema containing this object.
@type schema: L{schema.Schema}
@ivar form_qualified: A flag that inidcates that @elementFormDefault
has a value of I{qualified}.
@type form_qualified: boolean
@ivar nillable: A flag that inidcates that @nillable
has a value of I{true}.
@type nillable: boolean
@ivar default: The default value.
@type default: object
@ivar rawchildren: A list raw of all children.
@type rawchildren: [L{SchemaObject},...]
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Prepend schema object's from B{s}ource list to
the B{d}estination list while applying the filter.
@param d: The destination list.
@type d: list
@param s: The source list.
@type s: list
@param filter: A filter that allows items to be prepended.
@type filter: L{Filter}
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Append schema object's from B{s}ource list to
the B{d}estination list while applying the filter.
@param d: The destination list.
@type d: list
@param s: The source list.
@type s: list
@param filter: A filter that allows items to be appended.
@type filter: L{Filter}
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@param schema: The containing schema.
@type schema: L{schema.Schema}
@param root: The xml root node.
@type root: L{Element}
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Get only the attribute content.
@param filter: A filter to constrain the result.
@type filter: L{Filter}
@return: A list of tuples (attr, ancestry)
@rtype: [(L{SchemaObject}, [L{SchemaObject},..]),..]
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Get only the I{direct} or non-attribute content.
@param filter: A filter to constrain the result.
@type filter: L{Filter}
@return: A list tuples: (child, ancestry)
@rtype: [(L{SchemaObject}, [L{SchemaObject},..]),..]
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Get (find) a I{non-attribute} attribute by name.
@param name: A attribute name.
@type name: str
@return: A tuple: the requested (attribute, ancestry).
@rtype: (L{SchemaObject}, [L{SchemaObject},..])
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get_attribute† s
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Get (find) a I{non-attribute} child by name.
@param name: A child name.
@type name: str
@return: A tuple: the requested (child, ancestry).
@rtype: (L{SchemaObject}, [L{SchemaObject},..])
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Get this properties namespace
@param prefix: The default prefix.
@type prefix: str
@return: The schema's target namespace
@rtype: (I{prefix},I{URI})
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Get whether this node is unbounded I{(a collection)}
@return: True if unbounded, else False.
@rtype: boolean
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Get whether this type is optional.
@return: True if optional, else False
@rtype: boolean
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Get whether this type is required.
@return: True if required, else False
@rtype: boolean
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Resolve and return the nodes true self.
@param nobuiltin: Flag indicates that resolution must
not continue to include xsd builtins.
@return: The resolved (true) type.
@rtype: L{SchemaObject}
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Get whether this is an
@return: True if any, else False
@rtype: boolean
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Get whether this is an
@return: True if any, else False
@rtype: boolean
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Get whether this is n
@return: True if any, else False
@rtype: boolean
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Get whether this is an
@return: True if any, else False
@rtype: boolean
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Get whether this is a schema-instance (xs) type.
@return: True if any, else False
@rtype: boolean
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Get whether this is a simple-type containing an enumeration.
@return: True if any, else False
@rtype: boolean
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Get whether the object is a schema I{attribute} definition.
@return: True if an attribute, else False.
@rtype: boolean
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Get whether the object is an extension of another type.
@return: True if an extension, else False.
@rtype: boolean
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Get whether the object is an restriction of another type.
@return: True if an restriction, else False.
@rtype: boolean
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Find a referenced type in self or children.
@param qref: A qualified reference.
@type qref: qref
@param classes: A list of classes used to qualify the match.
@type classes: [I{class},...]
@return: The referenced type.
@rtype: L{SchemaObject}
@see: L{qualify()}
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Translate a value (type) to/from a python type.
@param value: A value to translate.
@return: The converted I{language} type.
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Get a list of valid child tag names.
@return: A list of child tag names.
@rtype: [str,...]
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Get a list of dependancies for dereferencing.
@return: A merge dependancy index and a list of dependancies.
@rtype: (int, [L{SchemaObject},...])
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Convert attribute values, that are references to other
objects, into I{qref}.
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Merge another object as needed.
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Get a I{flattened} list of this nodes contents.
@param collection: A list to fill.
@type collection: list
@param filter: A filter used to constrain the result.
@type filter: L{Filter}
@param history: The history list used to prevent cyclic dependency.
@type history: list
@return: The filled list.
@rtype: list
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Get a string representation of this object.
@param indent: The indent.
@type indent: int
@return: A string.
@rtype: str
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Get the names used for str() and repr() description.
@return: A dictionary of relavent attributes.
@rtype: [str,...]
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The content iterator - used to iterate the L{Content} children. The iterator
provides a I{view} of the children that is free of container elements
such as and .
@ivar stack: A stack used to control nesting.
@type stack: list
t Framec B s e Z d Z d „ Z d „ Z RS( s A content iterator frame. c C s" | | _ | i | _ d | _ d S( s[
@param sx: A schema object.
@type sx: L{SchemaObject}
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Get the I{next} item in the frame's collection.
@return: The next item or None
@rtype: L{SchemaObject}
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@param sx: A schema object.
@type sx: L{SchemaObject}
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Create a frame and push the specified object.
@param sx: A schema object to push.
@type sx: L{SchemaObject}
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Pop the I{top} frame.
@return: The popped frame.
@rtype: L{Frame}
@raise StopIteration: when stack is empty.
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Get the I{top} frame.
@return: The top frame.
@rtype: L{Frame}
@raise StopIteration: when stack is empty.
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Get the next item.
@return: A tuple: the next (child, ancestry).
@rtype: (L{SchemaObject}, [L{SchemaObject},..])
@raise StopIteration: A the end.
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Represents an (xsd) schema node
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@param schema: The containing schema.
@type schema: L{schema.Schema}
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This class represents those schema objects that represent
real XML document content.
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Find nodes based on flexable criteria. The I{matcher} is
may be any object that implements a match(n) method.
@ivar matcher: An object used as criteria for match.
@type matcher: I{any}.match(n)
@ivar limit: Limit the number of matches. 0=unlimited.
@type limit: int
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@param matcher: An object used as criteria for match.
@type matcher: I{any}.match(n)
@param limit: Limit the number of matches. 0=unlimited.
@type limit: int
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Traverse the tree looking for matches.
@param node: A node to match on.
@type node: L{SchemaObject}
@param list: A list to fill.
@type list: list
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