223 lines
7.0 KiB
Python
223 lines
7.0 KiB
Python
import os
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import hashlib
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import gzip
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import math
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import codecs
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from xml.dom import *
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from xml.dom.minidom import parse
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from xml.parsers.expat import *
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class StrictUTF8Writer(codecs.StreamWriter):
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'''A StreamWriter for utf8 that requires written objects be unicode'''
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encode = codecs.utf_8_encode
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value = ''
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def __init__(self):
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self.value = u''
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pass
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def write(self, object):
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object = object.replace('<', '<')
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object = object.replace('>', '>')
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object = object.replace('"', '"')
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object = object.replace(''', "'")
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object = object.replace('&', "&")
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if not type(object) == unicode:
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self.value = self.value + unicode(object, "utf-8")
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else:
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self.value = self.value + object
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return self.value
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def reset(self):
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self.value = u''
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def getvalue(self):
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return self.value
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#self.stream.write(object)
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# if not isinstance(object, unicode):
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# raise ValueError('write() requires unicode object')
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# return codecs.StreamWriter.write(self, object)
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class DynastieGenerator:
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URI = "http://indefero.soutade.fr/p/dynastie"
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report = ''
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somethingWrote = False
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def __init__(self):
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self.report = ''
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self.somethingWrote = False
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def addReport(self, string, color=''):
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if color != '':
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self.report = self.report + '<span style="color:' + color + '">'
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self.report = self.report + '<b>' + self.__class__.__name__ + '</b> : '
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self.report = self.report + string
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if color != '':
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self.report = self.report + '</span>'
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self.report = self.report + '<br/>\n'
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def addWarning(self, string):
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self.addReport(string, 'yellow')
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def addError(self, string):
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self.addReport(string, 'red')
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def generate(self, blog, src, output):
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return
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def computeNbPages(self, nb_post, nb_post_per_page):
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res = math.ceil((nb_post*1.0)/(nb_post_per_page*1.0))
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return int(res)
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def writeIfNotTheSame(self, filename, node):
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writer = StrictUTF8Writer()
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node.writexml(writer)
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content = writer.getvalue().encode('utf-8')
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if os.path.exists(filename):
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src_md5 = hashlib.md5()
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f = open(filename,'rb')
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src_md5.update(f.read())
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f.close()
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dst_md5 = hashlib.md5()
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dst_md5.update(content)
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if src_md5.digest() == dst_md5.digest():
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filename = filename + '.gz'
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if not os.path.exists(filename):
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f = gzip.open(filename, 'wb')
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f.write(content)
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f.close()
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return
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os.unlink(filename)
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self.addReport('Write (and compress) ' + filename)
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f = open(filename,'wb')
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f.write(content)
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f.close()
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filename = filename + '.gz'
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#self.addReport('Compressing it ' + filename)
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f = gzip.open(filename, 'wb')
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f.write(content)
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f.close()
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self.somethingWrote = True
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def createLinkElem(self, dom, path, title):
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link_elem = dom.createElement('a')
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link_elem.setAttribute('href', path)
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text_elem = dom.createTextNode(title)
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link_elem.appendChild(text_elem)
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return link_elem
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def createElement(self, dom, name='', content=''):
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div = dom.createElement('div')
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if name != '':
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div.setAttribute('class', name)
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if content != '':
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div.appendChild(dom.createTextNode(content))
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return div
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def createMeta(self, dom, name='', content=''):
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div = dom.createElement('meta')
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if name != '':
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div.setAttribute('name', name)
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if content != '':
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div.setAttribute('content', content)
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return div
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def simpleTransform(self, values, dom, elem, root):
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for node in root.childNodes:
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if node.prefix == 'dyn':
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if node.localName in values:
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content = values[node.localName]
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if type(content) == unicode or type(content) == str:
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new_elem = self.createElement(dom, node.localName, content)
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else:
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new_elem = self.createElement(dom, node.localName)
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new_elem.appendChild(content)
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else:
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new_elem = node.cloneNode(False)
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self.simpleTransform(values, dom, new_elem, node)
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else:
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new_elem = node.cloneNode(False)
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self.simpleTransform(values, dom, new_elem, node)
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elem.appendChild(new_elem)
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def replaceByText(self, dom, root, node, content):
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new_node = dom.createTextNode(content)
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root.replaceChild(new_node, node)
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def _parse(self, hooks, posts, dom, root):
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for node in root.childNodes:
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if node.prefix == 'dyn':
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if node.localName in hooks:
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node = hooks[node.localName](posts, dom, root, node)
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if not node is None and node.hasChildNodes():
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self._parse(hooks, posts, dom, node)
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def parse(self, src, hooks, posts, dom, root):
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bases = dom.getElementsByTagNameNS(self.URI, 'base')
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if len(bases) == 0:
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self._parse(hooks, posts, dom, root)
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return root
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if len(bases) != 1:
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self.addError('More than one base defined')
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return root
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base = bases[0]
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if not base.hasAttribute('file'):
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self.addError('No \'file\' attribute defined')
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return root
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filename = base.getAttribute('file')
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if not base.hasAttribute('block'):
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self.addError('No \'block\' attribute defined')
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return root
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target_block = base.getAttribute('block')
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if not os.path.exists(src + '/' + filename):
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self.addError('Base ' + filename + ' doesn\'t exists')
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return root
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dom2 = root
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try:
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dom2 = parse(src + '/' + filename)
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except ExpatError, e:
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self.addError('Error parsing ' + src + '/' + filename)
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return root
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blocks = dom2.getElementsByTagNameNS(self.URI, 'block')
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block_found = False
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for block in blocks:
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if not block.hasAttribute('name'):
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self.addError('block has no attribute \'name\' in ' + filename)
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return root
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blockname = block.getAttribute('name')
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if blockname != target_block:
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continue
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for child in root.childNodes:
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block.parentNode.appendChild(child.cloneNode(True))
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block.parentNode.removeChild(block)
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block_found = True
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if not block_found:
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self.addError('Block ' + target_block + ' not found in ' + src + '/' + filename)
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return root
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root = dom2.firstChild
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self.parse(src, hooks, posts, dom2, root)
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return root
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