199 lines
7.0 KiB
Python
199 lines
7.0 KiB
Python
import os
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import datetime
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import xml
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from xml.parsers.expat import *
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from xml.dom.minidom import parse, parseString
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from dynastie.generators.generator import DynastieGenerator
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from django.db import models
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class Index(DynastieGenerator):
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cur_page = 0
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nb_pages = 0
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cur_post = 0
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posts_per_page = 0
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filename = 'index'
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dirname = ''
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def createNavigation(self, posts, dom, root, node):
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if self.nb_pages == 0 or self.nb_pages == 1:
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return ''
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if self.dirname != '':
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if self.dirname.startswith('/'):
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href = '<a href="' + self.dirname + '/' + self.filename
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else:
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href = '<a href="/' + self.dirname + '/' + self.filename
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else:
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href = '<a href="/' + self.filename
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nav = ''
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if self.cur_page != 0:
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nav = nav + href + '.html"><< First</a> '
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if self.cur_page == 1:
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nav = nav + href + '.html">< Prev</a> '
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else:
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nav = nav + href + str(self.cur_page-1) + '.html">< Prev</a> '
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start = self.cur_page-5
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if start < 0:
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start = 0
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end = start + 10
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if end > self.nb_pages:
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end = self.nb_pages
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for i in range(start, end):
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if i == self.cur_page:
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nav = nav + str(i+1) + ' '
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else:
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if i == 0:
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nav = nav + href + '.html">1</a> '
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else:
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nav = nav + href + str(i) + '.html">' + str(i+1) + '</a> '
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if self.cur_page < self.nb_pages-1:
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nav = nav + href + str(self.cur_page+1) + '.html">Next ></a> '
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nav = nav + href + str(self.nb_pages-1) + '.html">Last >></a>'
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new_dom = parseString('<div class="navigation">' + nav + '</div>')
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new_node = new_dom.getElementsByTagName('div')[0]
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root.replaceChild(new_node.cloneNode(True), node)
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def createPost(self, post, dom, post_elem, root):
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values = {}
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values['title'] = self.createLinkElem(dom, post.getPath(), post.title)
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values['author'] = post.author.first_name + ' ' + post.author.last_name
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values['date'] = post.creation_date.strftime("%A, %d %B %Y %H:%m")
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values['post_content'] = ''
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blog = post.blog
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blog.create_paths()
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filename = blog.src_path + '/_post/' + str(post.id)
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if not os.path.exists(filename):
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self.addError('File does not exists ' + filename)
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return
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f = open(filename, 'rb')
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post_content = f.read()
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f.close()
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self.simpleTransform(values, dom, post_elem, root)
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content_nodes = post_elem.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(post_content)
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content_node.appendChild(new_node)
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def createPosts(self, posts, dom, root, node):
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posts_elem = self.createElement(dom, 'posts')
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for i in range(0, self.posts_per_page):
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post_elem = self.createElement(dom, 'post')
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if len(posts) > self.cur_post:
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self.createPost(posts[self.cur_post], dom, post_elem, node)
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else:
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post_elem = self.createElement(dom, '', '<b>No posts yet</b>')
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posts_elem.appendChild(post_elem)
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self.cur_post = self.cur_post + 1
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if self.cur_post == len(posts):
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break
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root.replaceChild(posts_elem, node)
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def createRecents(self, posts, dom, root, node):
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if self.cur_post == len(posts):
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root.removeChild(node)
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return
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if node.hasAttribute("limit"):
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nb_recents = int(node.getAttribute("limit"))
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else:
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nb_recents = 5
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recents_elem = self.createElement(dom, 'recents')
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for child in node.childNodes:
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recents_elem.appendChild(child.cloneNode(True))
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list_elem = dom.createElement('ul')
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for i in range(0, nb_recents):
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post_elem = dom.createElement('li')
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if self.cur_post+i < len(posts):
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post = posts[self.cur_post+i]
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link_elem = self.createLinkElem(dom, post.getPath(), post.title)
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post_elem.appendChild(link_elem)
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else:
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break
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list_elem.appendChild(post_elem)
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recents_elem.appendChild(list_elem)
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root.replaceChild(recents_elem, node)
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def generate(self, blog, src, output):
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from dynastie.models import Post, Blog
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hooks = {'posts' : self.createPosts,
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'navigation' : self.createNavigation,
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'recents' : self.createRecents}
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if not os.path.exists(src + '/_index.html'):
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self.addError('No _index.html found, exiting')
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return self.report
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try:
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dom = parse(src + '/_index.html')
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except xml.dom.DOMException as e:
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self.addError('Error parsing _index.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 not post_nodes is None:
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if post_nodes[0].hasAttribute("limit"):
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self.posts_per_page = int(post_nodes[0].getAttribute("limit"))
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else:
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self.posts_per_page = 5
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else:
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self.addError('No tag dyn:posts found')
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now = datetime.datetime.now()
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cur_year = now.year
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posts = Post.objects.filter(creation_date__year=cur_year, published=True, front_page=True).order_by('-creation_date')
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if posts.count() < self.posts_per_page:
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posts = Post.objects.all()[:self.posts_per_page]
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if posts.count() > self.posts_per_page:
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self.nb_pages = self.computeNbPages(posts.count(), self.posts_per_page)
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filename = 'index.html'
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while self.cur_page <= self.nb_pages:
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#print 'Generate ' + filename
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nodes = dom.getElementsByTagName("*")
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nodes[0] = self.parse(src, hooks, posts, dom, nodes[0])
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self.writeIfNotTheSame(output + '/' + filename, nodes[0])
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self.cur_page = self.cur_page + 1
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filename = 'index' + str(self.cur_page) + '.html'
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dom = parse(src + '/_index.html')
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filename = output + '/' + filename
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while os.path.exists(filename):
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self.addReport('Removing unused ' + filename)
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os.unlink(filename)
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filename = filename + '.gz'
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if os.path.exists(filename):
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self.addReport('Removing unused ' + filename)
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os.unlink(filename)
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self.cur_page = self.cur_page + 1
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filename = output + '/index' + str(self.cur_page) + '.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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