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#! /usr/bin/env python
#-*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010 Cédric Bonhomme - http://cedricbonhomme.org/
#
# For more information : http://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.1 $"
__date__ = "$Date: 2011/10/24 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"
#
# This file contains the export functions of pyAggr3g470r. Indeed
# it is possible to export the database of articles in different formats:
# - simple HTML webzine;
# - text file;
# - html file.
#
import os
import hashlib
import utils
htmlheader = '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">\n' + \
'<head>' + \
'\n\t<title>pyAggr3g470r - News aggregator</title>\n' + \
'\t<link rel="stylesheet" type="text/css" href="/css/style.css" />' + \
'\n\t<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>\n' + \
'</head>\n'
htmlfooter = '<p>This software is under GPLv3 license. You are welcome to copy, modify or' + \
' redistribute the source code according to the' + \
' <a href="http://www.gnu.org/licenses/gpl-3.0.txt">GPLv3</a> license.</p></div>\n' + \
'</body>\n</html>'
def export_webzine(feeds):
"""
Export the articles given in parameter in a simple Webzine.
"""
index = htmlheader
index += "<br />\n<ul>"
for feed in feeds.values():
# creates a folder for each stream
feed_folder = utils.path + "/var/export/webzine/" + \
utils.normalize_filename(feed.feed_id)
try:
os.makedirs(feed_folder)
except OSError:
# directories already exists (not a problem)
pass
index += """<li><a href="%s">%s</a></a></li>\n""" % \
(feed.feed_id, feed.feed_title)
posts = htmlheader
for article in feed.articles.values():
post_file_name = os.path.normpath(feed_folder + "/" + article.article_id + ".html")
feed_index = os.path.normpath(feed_folder + "/index.html")
posts += article.article_date + " - " + \
"""<a href="./%s.html">%s</a>""" % \
(article.article_id, article.article_title[:150]) + "<br />\n"
a_post = htmlheader
a_post += '\n<div style="width: 50%; overflow:hidden; text-align: justify; margin:0 auto">\n'
a_post += """<h1><a href="%s">%s</a></h1><br />""" % \
(article.article_link, article.article_title)
a_post += article.article_description
a_post += "</div>\n<hr />\n"
a_post += """<br />\n<a href="%s">Complete story</a>\n<br />\n""" % (article.article_link,)
a_post += "<hr />\n" + htmlfooter
with open(post_file_name, "w") as f:
f.write(a_post)
posts += htmlfooter
with open(feed_index, "w") as f:
f.write(posts)
index += "\n</ul>\n<br />"
index += htmlfooter
with open(utils.path + "/var/export/webzine/" + "index.html", "w") as f:
f.write(index)
def export_txt(feeds):
"""
Export the articles given in parameter in text files.
"""
for feed in feeds.values():
# creates folder for each stream
folder = utils.path + "/var/export/txt/" + \
utils.normalize_filename(feed.feed_title.strip().replace(':', '').lower())
try:
os.makedirs(folder)
except OSError:
# directories already exists (not a problem)
pass
for article in feed.articles.values():
name = article.article_date.strip().replace(' ', '_')
name = os.path.normpath(folder + "/" + name + ".txt")
content = "Title: " + article.article_title + "\n\n\n"
content += utils.clear_string(article.article_description)
with open(name, "w") as f:
f.write(content)
def export_html(feeds):
"""
Export the articles given in parameter in HTML files.
"""
for feed in feeds.values():
# creates folder for each stream
folder = utils.path + "/var/export/html/" + \
utils.normalize_filename(feed.feed_title.strip().replace(':', '').lower())
try:
os.makedirs(folder)
except OSError:
# directories already exists (not a problem)
pass
for article in feed.articles.values():
name = article.article_date.strip().replace(' ', '_')
name = os.path.normpath(folder + "/" + name + ".html")
content = htmlheader
content += '\n<div style="width: 50%; overflow:hidden; text-align: justify; margin:0 auto">\n'
content += """<h1><a href="%s">%s</a></h1><br />""" % \
(article.article_link, article.article_title)
content += article.article_description
content += "</div>\n<hr />\n"
content += htmlfooter
with open(name, "w") as f:
f.write(content)
def export_epub(feeds):
"""
Export the articles given in parameter in ePub files.
"""
from epub import ez_epub
for feed in feeds.values():
# creates folder for each stream
folder = utils.path + "/var/export/epub/" + \
utils.normalize_filename(feed.feed_title.strip().replace(':', '').lower())
try:
os.makedirs(folder)
except OSError:
# directories already exists (not a problem)
pass
for article in feed.articles.values():
name = article.article_date.strip().replace(' ', '_')
name = os.path.normpath(folder + "/" + name + ".epub")
section = ez_epub.Section()
section.title = article.article_title.decode('utf-8')
section.paragraphs = [utils.clear_string(article.article_description).decode('utf-8')]
ez_epub.makeBook(article.article_title.decode('utf-8'), [feed.feed_title.decode('utf-8')], [section], \
name, lang='en-US', cover=None)
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