qBittorrent/src/searchengine/nova/helpers.py

106 lines
4.3 KiB
Python

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#VERSION: 1.32
# Author:
# Christophe DUMEZ (chris@qbittorrent.org)
import re, htmlentitydefs
import tempfile
import os
import StringIO, gzip, urllib2
import socket
import socks
import re
# SOCKS5 Proxy support
if os.environ.has_key("sock_proxy") and len(os.environ["sock_proxy"].strip()) > 0:
proxy_str = os.environ["sock_proxy"].strip()
m=re.match(r"^(?:(?P<username>[^:]+):(?P<password>[^@]+)@)?(?P<host>[^:]+):(?P<port>\w+)$", proxy_str)
if m is not None:
socks.setdefaultproxy(socks.PROXY_TYPE_SOCKS5, m.group('host'), int(m.group('port')), True, m.group('username'), m.group('password'))
socket.socket = socks.socksocket
def htmlentitydecode(s):
# First convert alpha entities (such as &eacute;)
# (Inspired from http://mail.python.org/pipermail/python-list/2007-June/443813.html)
def entity2char(m):
entity = m.group(1)
if entity in htmlentitydefs.name2codepoint:
return unichr(htmlentitydefs.name2codepoint[entity])
return u" " # Unknown entity: We replace with a space.
t = re.sub(u'&(%s);' % u'|'.join(htmlentitydefs.name2codepoint), entity2char, s)
# Then convert numerical entities (such as &#233;)
t = re.sub(u'&#(\d+);', lambda x: unichr(int(x.group(1))), t)
# Then convert hexa entities (such as &#x00E9;)
return re.sub(u'&#x(\w+);', lambda x: unichr(int(x.group(1),16)), t)
def retrieve_url(url):
""" Return the content of the url page as a string """
req = urllib2.Request(url)
response = urllib2.urlopen(req)
dat = response.read()
# Check if it is gzipped
if dat[:2] == '\037\213':
# Data is gzip encoded, decode it
compressedstream = StringIO.StringIO(dat)
gzipper = gzip.GzipFile(fileobj=compressedstream)
extracted_data = gzipper.read()
dat = extracted_data
info = response.info()
charset = 'utf-8'
try:
ignore, charset = info['Content-Type'].split('charset=')
except:
pass
dat = dat.decode(charset, 'replace')
dat = htmlentitydecode(dat)
return dat.encode('utf-8', 'replace')
def download_file(url, referer=None):
""" Download file at url and write it to a file, return the path to the file and the url """
file, path = tempfile.mkstemp()
file = os.fdopen(file, "w")
# Download url
req = urllib2.Request(url)
if referer is not None:
req.add_header('referer', referer)
response = urllib2.urlopen(req)
dat = response.read()
# Check if it is gzipped
if dat[:2] == '\037\213':
# Data is gzip encoded, decode it
compressedstream = StringIO.StringIO(dat)
gzipper = gzip.GzipFile(fileobj=compressedstream)
extracted_data = gzipper.read()
dat = extracted_data
# Write it to a file
file.write(dat)
file.close()
# return file path
return path+" "+url