243 lines
8.7 KiB
Python
243 lines
8.7 KiB
Python
import datetime
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import os
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from xml.dom.minidom import parse, parseString
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from dynastie.generators.generator import DynastieGenerator, StrictUTF8Writer
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from dynastie.generators.index import Index
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from django.db import models
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from dynastie.tree import TreeNode
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class Post(Index):
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cur_comment = None
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comment_index = {}
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def createReplace(self, post, dom, root, replace_elem):
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if not replace_elem.hasAttribute('div_name'):
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self.addError('No attribute div_name for a replace tag')
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return
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div_element = replace_elem.cloneNode(True)
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div_element.tagName = replace_elem.getAttribute('div_name')
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div_element.removeAttribute('div_name')
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for key,value in replace_elem.attributes.items():
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if key == 'div_name': continue
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value = value.replace('dyn:post_id', str(post.id))
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if self.cur_comment is None:
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value = value.replace('dyn:comment_index', '0')
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else:
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value = value.replace('dyn:comment_index', str(self.comment_index[self.cur_comment.id]))
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if self.cur_comment is None:
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value = value.replace('dyn:comment_id', '0')
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else:
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value = value.replace('dyn:comment_id', str(self.cur_comment.id))
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value = value.replace('dyn:blog_id', str(self.blog.id))
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div_element.setAttribute(key, value)
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root.replaceChild(div_element, replace_elem)
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return div_element
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def createComment(self, comment, dom, comment_elem, root):
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values = {}
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values['comment_index'] = str(self.comment_index[comment.id])
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values['comment_author'] = comment.author
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values['comment_date'] = comment.date.strftime('%d %B %Y %H:%m')
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values['comment_content'] = comment.the_comment
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self.simpleTransform(values, dom, comment_elem, root)
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def _createComments(self, rootNode, post, dom, root_comment, root):
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self.cur_comment = rootNode.value
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comment_element = self.createElement(dom, 'comment')
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self.createComment(self.cur_comment, dom, comment_element, root)
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root_comment.appendChild(comment_element)
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# Parse inner HTML
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self._parse(self.hooks, post, dom, comment_element)
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for commentNode in rootNode.childs:
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self._createComments(commentNode, post, dom, comment_element, root)
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def createComments(self, post, dom, post_elem, root):
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from dynastie.models import Post, Blog, Comment
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comments = Comment.objects.filter(post=post).order_by('date')
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cur_comment = None
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comment_index = {}
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index = 1
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rootNode = TreeNode('', '')
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for comment in comments:
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self.comment_index[comment.id] = index
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index = index + 1
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tnode = TreeNode(comment.id, comment)
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if comment.parent is None:
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rootNode.addChildNode(tnode)
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else:
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temp = rootNode.find(comment.parent.id)
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if temp is None:
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self.addWarning('Error with comments chain')
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rootNode.addChildNode(tnode)
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else:
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temp.addChildNode(tnode)
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initial_root_comment = root_comment = self.createElement(dom, 'comments')
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for tnode in rootNode.childs:
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self._createComments(tnode, post, dom, root_comment, root)
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# Empty tag seems to crap rendering
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if len(rootNode.childs) == 0:
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post_elem.removeChild(root)
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return None
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else:
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post_elem.replaceChild(root_comment, root)
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return root_comment
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def createMetas(self, post, dom, meta_elem, root):
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name = root.getAttribute('name')
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if name is None:
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self.addError('Missing name attribute in dyn:meta')
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return
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new_elem = None
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if name == 'keywords':
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new_elem = self.createMeta(dom, name, post.keywords)
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elif name == 'title':
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new_elem = self.createMeta(dom, name, post.title)
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elif name == 'description':
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new_elem = self.createMeta(dom, name, post.description)
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elif name == 'author':
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new_elem = self.createMeta(dom, name, post.author.first_name + ' ' + post.author.last_name)
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if not new_elem is None:
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root.parentNode.replaceChild(new_elem, root)
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return new_elem
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else:
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self.addError('name attribute \'' + name + '\' unknown for dyn:meta' )
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return None
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def _createPost(self, post, dom, post_elem, root):
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import sys, traceback
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self.createPost(post, dom, post_elem, root)
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# Post are appended by index. Remove template
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post_nodes = dom.getElementsByTagNameNS(self.URI, 'post')
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post_elem = post_nodes[0]
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post_elem.parentNode.removeChild(post_elem)
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title_nodes = dom.getElementsByTagName('title')
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# Set title to be title's post
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for node in title_nodes:
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if node.hasChildNodes():
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node.removeChild(node.childNodes[0])
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node.appendChild(dom.createTextNode(post.title))
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return node
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def _generate(self, blog, src, output, posts):
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import xml
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self.hooks = {'post' : self._createPost,
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'meta' : self.createMetas,
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'comments' : self.createComments,
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'replace' : self.createReplace,
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'tags' : self.createTags}
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if not os.path.exists(src + '/_post.html'):
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self.addError('No _post.html found, exiting')
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return self.report
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if not os.path.exists(output + '/post'):
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os.mkdir(output + '/post')
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try:
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dom = parse(src + '/_post.html')
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except xml.dom.DOMException as e:
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self.addError('Error parsing _post.html : ' + e)
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return self.report
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for post in posts:
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#print 'Generate ' + filename
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nodes = dom.getElementsByTagName("*")
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nodes[0] = self.parse(src, self.hooks, post, dom, nodes[0])
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filename = output + '/post/'
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filename = filename + post.creation_date.strftime("%Y") + '/' + post.creation_date.strftime("%m") + '/'
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if not os.path.exists(filename):
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os.makedirs(filename)
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filename = filename + post.title_slug + '.html'
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self.writeIfNotTheSame(filename, nodes[0])
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dom = parse(src + '/_post.html')
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if not self.somethingWrote:
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self.addReport('Nothing changed')
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return self.report
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def generate(self, blog, src, output):
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from dynastie.models import Post, Blog
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self.blog = blog
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posts = Post.objects.all()
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return self._generate(blog, src, output, posts)
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def createPreview(self, values, dom, root, node):
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now = datetime.datetime.now()
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v = {}
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v['title'] = self.createLinkElem(dom, '/preview.html', values['title'])
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v['author'] = values['author']
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v['date'] = now.strftime("%A, %d %B %Y %H:%m")
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v['post_content'] = ''
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self.simpleTransform(v, dom, root, node)
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content_nodes = root.getElementsByTagName("div")
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post_transform = ('post_content')
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for content_node in content_nodes:
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the_class = content_node.getAttribute('class')
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if not the_class in post_transform:
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continue
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if the_class == 'post_content':
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new_node = dom.createTextNode(values['content'])
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content_node.appendChild(new_node)
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post_nodes = dom.getElementsByTagNameNS(self.URI, "post")
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post_elem = post_nodes[0]
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post_elem.parentNode.removeChild(post_elem)
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return post_elem
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def preview(self, src, values):
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from dynastie.models import Blog
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self.hooks = {'post' : self.createPreview,
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'tags' : self.createTags}
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if not os.path.exists(src + '/_post.html'):
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self.addError('No _post.html found, exiting')
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return self.report
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try:
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dom = parse(src + '/_post.html')
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except xml.dom.DOMException as e:
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self.addError('Error parsing _post.html : ' + e)
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return self.report
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post_nodes = dom.getElementsByTagNameNS(self.URI, "posts")
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if post_nodes is None:
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self.addError('No tag dyn:posts found')
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return self.report
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nodes = dom.getElementsByTagName("*")
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nodes[0] = self.parse(src, self.hooks, values, dom, nodes[0])
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writer = StrictUTF8Writer()
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nodes[0].writexml(writer)
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return writer.getvalue().encode('utf-8')
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