X-Git-Url: http://dolda2000.com/gitweb/?p=wrw.git;a=blobdiff_plain;f=wrw%2Fsp%2Fcons.py;h=d8b30a81dceb716d205eafa985ee013134859291;hp=8366cc7cff1d5d0190618537c942cec2f1b4f361;hb=5afb31180662cfaf123ae6155a832470c7c6dce2;hpb=a573465ea03bd2a484252e87e0364d9376ec6bfc diff --git a/wrw/sp/cons.py b/wrw/sp/cons.py index 8366cc7..d8b30a8 100644 --- a/wrw/sp/cons.py +++ b/wrw/sp/cons.py @@ -1,22 +1,21 @@ +import sys, collections import xml.dom.minidom class node(object): - def __str__(self): - doc = xml.dom.minidom.Document() - return self.__todom__(doc).toxml() + pass -class text(node, unicode): +class text(node, str): def __todom__(self, doc): return doc.createTextNode(self) -class raw(node, unicode): +class raw(node, str): def __todom__(self, doc): raise Exception("Cannot convert raw code to DOM objects") class element(node): def __init__(self, ns, name, ctx): self.ns = ns - self.name = unicode(name) + self.name = str(name) self.ctx = ctx self.attrs = {} self.children = [] @@ -24,25 +23,30 @@ class element(node): def __call__(self, *children, **attrs): for child in children: self.ctx.addchild(self, child) - for k, v in attrs.iteritems(): + for k, v in attrs.items(): self.ctx.addattr(self, k, v) return self def __todom__(self, doc): el = doc.createElementNS(self.ns, self.name) - for k, v in self.attrs.iteritems(): + for k, v in self.attrs.items(): el.setAttribute(k, v) for child in self.children: el.appendChild(child.__todom__(doc)) return el + def __str__(self): + doc = xml.dom.minidom.Document() + return self.__todom__(doc).toxml() + class context(object): + charset = (sys.getfilesystemencoding() or "ascii") + def __init__(self): self.nodeconv = {} - self.nodeconv[str] = lambda ob: text(ob, "utf-8") - self.nodeconv[unicode] = text + self.nodeconv[bytes] = lambda ob: text(ob, self.charset) + self.nodeconv[str] = text self.nodeconv[int] = text - self.nodeconv[long] = text self.nodeconv[float] = text def nodefrom(self, ob): @@ -52,16 +56,26 @@ class context(object): return ob.__tonode__() if type(ob) in self.nodeconv: return self.nodeconv[type(ob)](ob) - raise Exception("No node conversion known for %s objects" % str(type(ob))) + return None def addchild(self, node, child): - node.children.append(self.nodefrom(child)) + if child is None: + return + new = self.nodefrom(child) + if new is not None: + node.children.append(new) + elif isinstance(child, collections.Iterable): + for ch in child: + self.addchild(node, ch) + else: + raise Exception("No node conversion known for %s objects" % str(type(child))) def addattr(self, node, k, v): - node.attrs[unicode(k)] = unicode(v) + if v is not None: + node.attrs[str(k)] = str(v) class constructor(object): - def __init__(self, ns, elcls = element, ctx=None): + def __init__(self, ns, elcls=element, ctx=None): self._ns = ns self._elcls = elcls if ctx is None: ctx = context() @@ -69,3 +83,9 @@ class constructor(object): def __getattr__(self, name): return self._elcls(self._ns, name, self._ctx) + +class doctype(node): + def __init__(self, rootname, pubid, dtdid): + self.rootname = rootname + self.pubid = pubid + self.dtdid = dtdid