最近使用python做个小东西，需要生成html，但是pyh0.1是针对python2.7的，在python3上不好用。
不过呢，2.7和3.0的区别并不大，把pyh0.1的代码稍微修改后就可以在3.0上使用了。
下面是修改后的源代码：
# @file: pyh.py # @purpose: a HTML tag generator # @author: Emmanuel Turlay <turlay@cern.ch> __doc__ = """The pyh.py module is the core of the PyH package. PyH lets you generate HTML tags from within your python code. See http://code.google.com/p/pyh/ for documentation. """ __author__ = "Emmanuel Turlay <turlay@cern.ch>" __version__ = '$Revision: 43 $' __date__ = '$Date$' from sys import _getframe, stdout, modules, version nOpen={} nl = ' ' doctype = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> ' charset = '<meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> ' tags = ['html', 'body', 'head', 'link', 'meta', 'div', 'p', 'form', 'legend', 'input', 'select', 'span', 'b', 'i', 'option', 'img', 'script', 'table', 'tr', 'td', 'th', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'fieldset', 'a', 'title', 'body', 'head', 'title', 'script', 'br', 'table'] selfClose = ['input', 'img', 'link', 'br'] class Tag(list): tagname = '' def __init__(self, *arg, **kw): self.attributes = kw if self.tagname : name = self.tagname self.isSeq = False else: name = 'sequence' self.isSeq = True self.id = kw.get('id', name) #self.extend(arg) for a in arg: self.addObj(a) def __iadd__(self, obj): if isinstance(obj, Tag) and obj.isSeq: for o in obj: self.addObj(o) else: self.addObj(obj) return self def addObj(self, obj): if not isinstance(obj, Tag): obj = str(obj) id=self.setID(obj) setattr(self, id, obj) self.append(obj) def setID(self, obj): if isinstance(obj, Tag): id = obj.id n = len([t for t in self if isinstance(t, Tag) and t.id.startswith(id)]) else: id = 'content' n = len([t for t in self if not isinstance(t, Tag)]) if n: id = '%s_%03i' % (id, n) if isinstance(obj, Tag): obj.id = id return id def __add__(self, obj): if self.tagname: return Tag(self, obj) self.addObj(obj) return self def __lshift__(self, obj): self += obj return obj def render(self): result = '' if self.tagname: result = '<%s%s%s>' % (self.tagname, self.renderAtt(), self.selfClose()*' /') if not self.selfClose(): for c in self: if isinstance(c, Tag): result += c.render() else: result += c if self.tagname: result += '</%s>' % self.tagname result += ' ' return result def renderAtt(self): result = '' for n, v in self.attributes.items(): if n != 'txt' and n != 'open': if n == 'cl': n = 'class' result += ' %s="%s"' % (n, v) return result def selfClose(self): return self.tagname in selfClose def TagFactory(name): class f(Tag): tagname = name f.__name__ = name return f thisModule = modules[__name__] for t in tags: setattr(thisModule, t, TagFactory(t)) def ValidW3C(): out = a(img(src='http://www.w3.org/Icons/valid-xhtml10', alt='Valid XHTML 1.0 Strict'), href='http://validator.w3.org/check?uri=referer') return out class PyH(Tag): tagname = 'html' def __init__(self, name='MyPyHPage'): self += head() self += body() self.attributes = dict(xmlns='http://www.w3.org/1999/xhtml', lang='en') self.head += title(name) def __iadd__(self, obj): if isinstance(obj, head) or isinstance(obj, body): self.addObj(obj) elif isinstance(obj, meta) or isinstance(obj, link): self.head += obj else: self.body += obj id=self.setID(obj) setattr(self, id, obj) return self def addJS(self, *arg): for f in arg: self.head += script(type='text/javascript', src=f) def addCSS(self, *arg): for f in arg: self.head += link(rel='stylesheet', type='text/css', href=f) def printOut(self,file=''): if file: f = open(file, 'w') else: f = stdout f.write(doctype) f.write(self.render()) f.flush() if file: f.close() class TagCounter: _count = {} _lastOpen = [] for t in tags: _count[t] = 0 def __init__(self, name): self._name = name def open(self, tag): if isLegal(tag): self._count[tag] += 1 self._lastOpen += [tag] def close(self, tag): if isLegal(tag) and self._lastOpen[-1] == tag: self._count[tag] -= 1 self._lastOpen.pop() else: print('Cross tagging is wrong') def isAllowed(self, tag, open): if not open and self.isClosed(tag): print('TRYING TO CLOSE NON-OPEN TAG: %s' % tag) return False return True def isOpen(self, tag): if isLegal(tag): return self._count[tag] def isClosed(self, tag): if isLegal(tag): return not self._count[tag] def isLegal(tag): if tag in tags: return True else: print('ILLEGAL TAG: %s' % tag) return False