import os import datetime import xml from xml.parsers.expat import * from xml.dom.minidom import parse, parseString from dynastie.generators.generator import DynastieGenerator from django.db import models class Index(DynastieGenerator): cur_page = 0 nb_pages = 0 cur_post = 0 posts_per_page = 0 filename = 'index' dirname = '' def createNavigation(self, posts, dom, root, node): if self.nb_pages == 0 or self.nb_pages == 1: return None if self.dirname != '': if self.dirname.startswith('/'): href = '<< First ' if self.cur_page == 1: nav = nav + href + '.html">< Prev ' else: nav = nav + href + str(self.cur_page-1) + '.html">< Prev ' start = self.cur_page-5 if start < 0: start = 0 end = start + 10 if end > self.nb_pages: end = self.nb_pages for i in range(start, end): if i == self.cur_page: nav = nav + str(i+1) + ' ' else: if i == 0: nav = nav + href + '.html">1 ' else: nav = nav + href + str(i) + '.html">' + str(i+1) + ' ' if self.cur_page < self.nb_pages-1: nav = nav + href + str(self.cur_page+1) + '.html">Next > ' nav = nav + href + str(self.nb_pages-1) + '.html">Last >>' new_dom = parseString('') new_node = new_dom.getElementsByTagName('div')[0] res = new_node.cloneNode(True) root.replaceChild(res, node) return res def createPost(self, post, dom, post_elem, root): values = {} values['title'] = self.createLinkElem(dom, post.getPath(), post.title) values['author'] = post.author.first_name + ' ' + post.author.last_name values['date'] = post.creation_date.strftime('%A, %d %B %Y %H:%m') values['post_content'] = '' blog = post.blog blog.create_paths() filename = blog.src_path + '/_post/' + str(post.id) if not os.path.exists(filename): self.addError('File does not exists ' + filename) return f = open(filename, 'rb') post_content = f.read() f.close() self.simpleTransform(values, dom, post_elem, root) content_nodes = post_elem.getElementsByTagName('div') post_transform = ['post_content'] for content_node in content_nodes: the_class = content_node.getAttribute('class') if not the_class in post_transform: continue new_node = dom.createTextNode(post_content) content_node.appendChild(new_node) def createPosts(self, posts, dom, root, node): posts_elem = self.createElement(dom, 'posts') for i in range(0, self.posts_per_page): post_elem = self.createElement(dom, 'post') if len(posts) > self.cur_post: self.createPost(posts[self.cur_post], dom, post_elem, node) else: post_elem = self.createElement(dom, '', 'No posts yet') posts_elem.appendChild(post_elem) self.cur_post = self.cur_post + 1 if self.cur_post == len(posts): break root.replaceChild(posts_elem, node) return posts_elem def createRecents(self, posts, dom, root, node): if self.cur_post == len(posts): root.removeChild(node) return if node.hasAttribute("limit"): nb_recents = int(node.getAttribute("limit")) else: nb_recents = 5 recents_elem = self.createElement(dom, 'recents') for child in node.childNodes: recents_elem.appendChild(child.cloneNode(True)) list_elem = dom.createElement('ul') for i in range(0, nb_recents): post_elem = dom.createElement('li') if self.cur_post+i < len(posts): post = posts[self.cur_post+i] link_elem = self.createLinkElem(dom, post.getPath(), post.title) post_elem.appendChild(link_elem) else: break list_elem.appendChild(post_elem) recents_elem.appendChild(list_elem) root.replaceChild(recents_elem, node) return recents_elem def generate(self, blog, src, output): from dynastie.models import Post, Blog hooks = {'posts' : self.createPosts, 'navigation' : self.createNavigation, 'recents' : self.createRecents} if not os.path.exists(src + '/_index.html'): self.addError('No _index.html found, exiting') return self.report try: dom = parse(src + '/_index.html') except xml.dom.DOMException as e: self.addError('Error parsing _index.html : ' + e) return self.report post_nodes = dom.getElementsByTagNameNS(self.URI, "posts") if not post_nodes is None: if post_nodes[0].hasAttribute("limit"): self.posts_per_page = int(post_nodes[0].getAttribute("limit")) else: self.posts_per_page = 5 else: self.addError('No tag dyn:posts found') now = datetime.datetime.now() cur_year = now.year posts = Post.objects.filter(creation_date__year=cur_year, published=True, front_page=True).order_by('-creation_date') if posts.count() < self.posts_per_page: posts = Post.objects.all()[:self.posts_per_page] if posts.count() > self.posts_per_page: self.nb_pages = self.computeNbPages(posts.count(), self.posts_per_page) filename = 'index.html' while self.cur_page <= self.nb_pages: #print 'Generate ' + filename nodes = dom.getElementsByTagName("*") nodes[0] = self.parse(src, hooks, posts, dom, nodes[0]) self.writeIfNotTheSame(output + '/' + filename, nodes[0]) self.cur_page = self.cur_page + 1 filename = 'index' + str(self.cur_page) + '.html' dom = parse(src + '/_index.html') filename = output + '/' + filename while os.path.exists(filename): self.addReport('Removing unused ' + filename) os.unlink(filename) filename = filename + '.gz' if os.path.exists(filename): self.addReport('Removing unused ' + filename) os.unlink(filename) self.cur_page = self.cur_page + 1 filename = output + '/index' + str(self.cur_page) + '.html' if not self.somethingWrote: self.addReport('Nothing changed') return self.report