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一个生成html页面的python例子

分类： Python/Ruby

2014-07-23 09:12:55

原文地址：一个生成html页面的python例子 作者：vaqeteart

写了一个例子，可以使用python手动生成html页面。
注释里面有相关的必要信息。如下：

点击(此处)折叠或打开

  1. #!/usr/bin/python
  2. '''an example for generate html page.
  3. the module used is:PyH
  4. Its home page is:
  5. we can download it at:downloads/detail?name=PyH-0.1.1.tar.gz&can=2&q=
  6. More things about html at:
  7. '''
  8. from pyh import *
  9. page = PyH("MyPage")
  10. #page.addCSS('myStylesheet1.css', 'myStylesheet2.css')
  11. #page.addJS('myJavascript1.js', 'myJavascript2.js')

  13. #<h1 align="center">MyTitle1</h1>
  14. page <<h1('MyTitle1',align='center')

  16. #<div align="center" id="myDiv1"><p id="myp1">my paragraph1</p>
  17. #</div>
  18. page << div(align='center',id='myDiv1') << p('my paragraph1',id='myp1')

  20. #<div id="myDiv2"><h2>title2 in div2<p>paragraph under title2</p>
  21. #</h2>
  22. #</div>
  23. mydiv2 = page << div(id='myDiv2')
  24. mydiv2 <<h2('title2 in div2') << p('paragraph under title2')

  26. #<div align="right" id="myDiv3"><p>paragraph in mydiv3</p>
  27. #</div>
  28. mydiv3 = page << div(id='myDiv3')
  29. mydiv3.attributes['align'] = 'right'
  30. mydiv3 << p('paragraph in mydiv3')

  32. #<table border="1" id="mytable1"><tr id="headline"><td>Head1<td>Head2</td>
  33. #</td>
  34. #</tr>
  35. #<tr id="line1"><td>r1,c1<td>r1,c2</td>
  36. #</td>
  37. #</tr>
  38. #<tr id="line2"><td>r2,c1<td>r2,c2</td>
  39. #</td>
  40. #</tr>
  41. #</table>
  42. table1 = page << table(border='1',id='mytable1')
  43. headtr = table1 << tr(id='headline')
  44. headtr << td('Head1') << td('Head2')

  46. tr1 = table1 << tr(id='line1')
  47. tr1 << td('r1,c1') <<td('r1,c2')

  49. tr2 = table1 << tr(id='line2')
  50. tr2 << td('r2,c1') <<td('r2,c2')



  54. #The result is:
  55. #<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "">
  56. #<html lang="en" xmlns=""><head><title>MyPage</title>
  57. #</head>
  58. #<body><h1 align="center">MyTitle1</h1>
  59. #<div align="center" id="myDiv1"><p id="myp1">my paragraph1</p>
  60. #</div>
  61. #<div id="myDiv2"><h2>title2 in div2<p>paragraph under title2</p>
  62. #</h2>
  63. #</div>
  64. #<div align="right" id="myDiv3"><p>paragraph in mydiv3</p>
  65. #</div>
  66. #<table border="1" id="mytable1"><tr id="headline"><td>Head1<td>Head2</td>
  67. #</td>
  68. #</tr>
  69. #<tr id="line1"><td>r1,c1<td>r1,c2</td>
  70. #</td>
  71. #</tr>
  72. #<tr id="line2"><td>r2,c1<td>r2,c2</td>
  73. #</td>
  74. #</tr>
  75. #</table>
  76. #</body>
  77. #</html>
  78. page.printOut()


这里，pyh是一个生成html的模块库，已经给出其网址，也将代码列出如下：

点击(此处)折叠或打开

  1. # @file: pyh.py
  2. # @purpose: a HTML tag generator
  3. # @author: Emmanuel Turlay <turlay@cern.ch>

  5. __doc__ = """The pyh.py module is the core of the PyH package. PyH lets you
  6. generate HTML tags from within your python code.
  7. See for documentation.
  8. """
  9. __author__ = "Emmanuel Turlay "
  10. __version__ = '$Revision: 63 $'
  11. __date__ = '$Date: 2010-05-21 03:09:03 +0200 (Fri, 21 May 2010) $'

  13. from sys import _getframe, stdout, modules, version
  14. nOpen={}

  16. nl = '\n'
  17. doctype = '\n'
  18. charset = '\n'

  20. tags = ['html', 'body', 'head', 'link', 'meta', 'div', 'p', 'form', 'legend',
  21.         'input', 'select', 'span', 'b', 'i', 'option', 'img', 'script',
  22.         'table', 'tr', 'td', 'th', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
  23.         'fieldset', 'a', 'title', 'body', 'head', 'title', 'script', 'br', 'table',
  24.         'ul', 'li', 'ol']

  26. selfClose = ['input', 'img', 'link', 'br']

  28. class Tag(list):
  29.     tagname = ''
  30.     
  31.     def __init__(self, *arg, **kw):
  32.         self.attributes = kw
  33.         if self.tagname :
  34.             name = self.tagname
  35.             self.isSeq = False
  36.         else:
  37.             name = 'sequence'
  38.             self.isSeq = True
  39.         self.id = kw.get('id', name)
  40.         #self.extend(arg)
  41.         for a in arg: self.addObj(a)

  43.     def __iadd__(self, obj):
  44.         if isinstance(obj, Tag) and obj.isSeq:
  45.             for o in obj: self.addObj(o)
  46.         else: self.addObj(obj)
  47.         return self
  48.     
  49.     def addObj(self, obj):
  50.         if not isinstance(obj, Tag): obj = str(obj)
  51.         id=self.setID(obj)
  52.         setattr(self, id, obj)
  53.         self.append(obj)

  55.     def setID(self, obj):
  56.         if isinstance(obj, Tag):
  57.             id = obj.id
  58.             n = len([t for t in self if isinstance(t, Tag) and t.id.startswith(id)])
  59.         else:
  60.             id = 'content'
  61.             n = len([t for t in self if not isinstance(t, Tag)])
  62.         if n: id = '%s_%03i' % (id, n)
  63.         if isinstance(obj, Tag): obj.id = id
  64.         return id

  66.     def __add__(self, obj):
  67.         if self.tagname: return Tag(self, obj)
  68.         self.addObj(obj)
  69.         return self

  71.     def __lshift__(self, obj):
  72.         self += obj
  73.         if isinstance(obj, Tag): return obj

  75.     def render(self):
  76.         result = ''
  77.         if self.tagname:
  78.             result = '<%s%s%s>' % (self.tagname, self.renderAtt(), self.selfClose()*' /')
  79.         if not self.selfClose():
  80.             for c in self:
  81.                 if isinstance(c, Tag):
  82.                     result += c.render()
  83.                 else: result += c
  84.             if self.tagname:
  85.                 result += '' % self.tagname
  86.         result += '\n'
  87.         return result

  89.     def renderAtt(self):
  90.         result = ''
  91.         for n, v in self.attributes.iteritems():
  92.             if n != 'txt' and n != 'open':
  93.                 if n == 'cl': n = 'class'
  94.                 result += ' %s="%s"' % (n, v)
  95.         return result

  97.     def selfClose(self):
  98.         return self.tagname in selfClose
  99.     
  100. def TagFactory(name):
  101.     class f(Tag):
  102.         tagname = name
  103.     f.__name__ = name
  104.     return f

  106. thisModule = modules[__name__]

  108. for t in tags: setattr(thisModule, t, TagFactory(t))

  110. def ValidW3C():
  111.     out = a(img(src='', alt='Valid XHTML 1.0 Strict'), href='')
  112.     return out

  114. class PyH(Tag):
  115.     tagname = 'html'
  116.     
  117.     def __init__(self, name='MyPyHPage'):
  118.         self += head()
  119.         self += body()
  120.         self.attributes = dict(xmlns='', lang='en')
  121.         self.head += title(name)

  123.     def __iadd__(self, obj):
  124.         if isinstance(obj, head) or isinstance(obj, body): self.addObj(obj)
  125.         elif isinstance(obj, meta) or isinstance(obj, link): self.head += obj
  126.         else:
  127.             self.body += obj
  128.             id=self.setID(obj)
  129.             setattr(self, id, obj)
  130.         return self

  132.     def addJS(self, *arg):
  133.         for f in arg: self.head += script(type='text/javascript', src=f)

  135.     def addCSS(self, *arg):
  136.         for f in arg: self.head += link(rel='stylesheet', type='text/css', href=f)
  137.     
  138.     def printOut(self,file=''):
  139.         if file: f = open(file, 'w')
  140.         else: f = stdout
  141.         f.write(doctype)
  142.         f.write(self.render())
  143.         f.flush()
  144.         if file: f.close()


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