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# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import shutil
import urllib
import logging
from gettext import gettext as _
from sugar.activity.activity import get_bundle_path
import book
from infoslicer.processing.NewtifulSoup import NewtifulStoneSoup \
as BeautifulStoneSoup
from infoslicer.processing.MediaWiki_Parser import MediaWiki_Parser
from infoslicer.processing.MediaWiki_Helper import MediaWiki_Helper
from infoslicer.processing.MediaWiki_Helper import PageNotFoundError
logger = logging.getLogger('infoslicer')
elogger = logging.getLogger('infoslicer::except')
proxies = None
def download_wiki_article(title, wiki, progress):
try:
progress.set_label(_('"%s" download in progress...') % title)
article, url = MediaWiki_Helper().getArticleAsHTMLByTitle(title, wiki)
progress.set_label(_('Processing "%s"...') % title)
parser = MediaWiki_Parser(article, title, url)
contents = parser.parse()
progress.set_label(_('Downloading "%s" images...') % title)
book.wiki.create(title + _(' (from %s)') % wiki, contents)
progress.set_label(_('"%s" successfully downloaded') % title)
except PageNotFoundError, e:
elogger.debug('download_and_add: %s' % e)
progress.set_label(_('"%s" could not be found') % title)
except Exception, e:
elogger.debug('download_and_add: %s' % e)
progress.set_label(_('Error downloading "%s"; check your connection') % title)
def image_handler(root, uid, document):
"""
Takes a DITA article and downloads images referenced in it
(finding all <image> tags).
Attemps to fix incomplete paths using source url.
@param document: DITA to work on
@return: The document with image tags adjusted to point to local paths
"""
document = BeautifulStoneSoup(document)
dir_path = os.path.join(root, uid, "images")
logger.debug('image_handler: %s' % dir_path)
if not os.path.exists(dir_path):
os.makedirs(dir_path, 0777)
for image in document.findAll("image"):
fail = False
path = image['href']
if "#DEMOLIBRARY#" in path:
path = path.replace("#DEMOLIBRARY#",
os.path.join(get_bundle_path(), 'examples'))
image_title = os.path.split(path)[1]
shutil.copyfile(path, os.path.join(dir_path, image_title))
else:
image_title = path.rsplit("/", 1)[-1]
# attempt to fix incomplete paths
if (not path.startswith("http://")) and document.source != None and document.source.has_key("href"):
if path.startswith("//upload"):
path = 'http:' + path
elif path.startswith("/"):
path = document.source['href'].rsplit("/", 1)[0] + path
else:
path = document.source['href'].rsplit("/", 1)[0] + "/" + path
logger.debug("Retrieving image: " + path)
file = open(os.path.join(dir_path, image_title), 'wb')
image_contents = _open_url(path)
if image_contents == None:
fail = True
else:
file.write(image_contents)
file.close()
#change to relative paths:
if not fail:
image['href'] = os.path.join(dir_path.replace(os.path.join(root, ""), "", 1), image_title)
image['orig_href'] = path
else:
image.extract()
return document.prettify()
def _open_url(url):
"""
retrieves content from specified url
"""
urllib._urlopener = _new_url_opener()
try:
logger.debug("opening " + url)
logger.debug("proxies: " + str(proxies))
doc = urllib.urlopen(url, proxies=proxies)
output = doc.read()
doc.close()
logger.debug("url opened succesfully")
return output
except IOError, e:
elogger.debug('_open_url: %s' % e)
class _new_url_opener(urllib.FancyURLopener):
version = "Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b2)" \
"Gecko/20081218 Gentoo Iceweasel/3.1b2"
# http proxy
_proxy_file = os.path.join(os.path.split(os.path.split(__file__)[0])[0],
'proxy.cfg')
_proxylist = {}
if os.access(_proxy_file, os.F_OK):
proxy_file_handle = open(_proxy_file, "r")
for line in proxy_file_handle.readlines():
parts = line.split(':', 1)
#logger.debug("setting " + parts[0] + " proxy to " + parts[1])
_proxylist[parts[0].strip()] = parts[1].strip()
proxy_file_handle.close()
if _proxylist:
proxies = _proxylist
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