mirror of
https://github.com/ytdl-org/youtube-dl
synced 2024-12-28 18:55:51 +01:00
Add proper support for "gzip" and "deflate" encodings
This commit is contained in:
Ricardo Garcia
parent
aac3fe0f4a
commit
1987c2325a
89
youtube-dl
89
youtube-dl
@ -8,6 +8,7 @@
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import cookielib
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import ctypes
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import datetime
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import gzip
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import htmlentitydefs
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import httplib
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import locale
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@ -18,11 +19,13 @@ import os.path
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import re
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import socket
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import string
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import StringIO
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import subprocess
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import sys
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import time
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import urllib
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import urllib2
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import zlib
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# parse_qs was moved from the cgi module to the urlparse module recently.
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try:
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@ -161,6 +164,56 @@ class ContentTooShortError(Exception):
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self.downloaded = downloaded
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self.expected = expected
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class YoutubeDLHandler(urllib2.HTTPHandler):
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"""Handler for HTTP requests and responses.
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This class, when installed with an OpenerDirector, automatically adds
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the standard headers to every HTTP request and handles gzipped and
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deflated responses from web servers. If compression is to be avoided in
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a particular request, the original request in the program code only has
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to include the HTTP header "Youtubedl-No-Compression", which will be
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removed before making the real request.
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Part of this code was copied from:
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http://techknack.net/python-urllib2-handlers/
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Andrew Rowls, the author of that code, agreed to release it to the
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public domain.
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"""
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@staticmethod
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def deflate(data):
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try:
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return zlib.decompress(data, -zlib.MAX_WBITS)
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except zlib.error:
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return zlib.decompress(data)
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def http_request(self, req):
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for h in std_headers:
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if h in req.headers:
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del req.headers[h]
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req.add_header(h, std_headers[h])
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if 'Youtubedl-no-compression' in req.headers:
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if 'Accept-encoding' in req.headers:
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del req.headers['Accept-encoding']
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del req.headers['Youtubedl-no-compression']
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return req
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def http_response(self, req, resp):
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old_resp = resp
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# gzip
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if resp.headers.get('Content-encoding', '') == 'gzip':
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gz = gzip.GzipFile(fileobj=StringIO.StringIO(resp.read()), mode='r')
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resp = urllib2.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code)
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resp.msg = old_resp.msg
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# deflate
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if resp.headers.get('Content-encoding', '') == 'deflate':
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gz = StringIO.StringIO(self.deflate(resp.read()))
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resp = urllib2.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code)
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resp.msg = old_resp.msg
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return resp
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class FileDownloader(object):
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"""File Downloader class.
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@ -559,8 +612,11 @@ class FileDownloader(object):
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tmpfilename = self.temp_name(filename)
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stream = None
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open_mode = 'wb'
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basic_request = urllib2.Request(url, None, std_headers)
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request = urllib2.Request(url, None, std_headers)
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# Do not include the Accept-Encoding header
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headers = {'Youtubedl-no-compression': 'True'}
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basic_request = urllib2.Request(url, None, headers)
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request = urllib2.Request(url, None, headers)
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# Establish possible resume length
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if os.path.isfile(tmpfilename):
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@ -822,7 +878,7 @@ class YoutubeIE(InfoExtractor):
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return
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# Set language
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request = urllib2.Request(self._LANG_URL, None, std_headers)
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request = urllib2.Request(self._LANG_URL)
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try:
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self.report_lang()
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urllib2.urlopen(request).read()
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@ -842,7 +898,7 @@ class YoutubeIE(InfoExtractor):
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'username': username,
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'password': password,
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}
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request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form), std_headers)
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request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form))
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try:
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self.report_login()
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login_results = urllib2.urlopen(request).read()
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@ -858,7 +914,7 @@ class YoutubeIE(InfoExtractor):
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'next_url': '/',
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'action_confirm': 'Confirm',
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}
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request = urllib2.Request(self._AGE_URL, urllib.urlencode(age_form), std_headers)
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request = urllib2.Request(self._AGE_URL, urllib.urlencode(age_form))
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try:
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self.report_age_confirmation()
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age_results = urllib2.urlopen(request).read()
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@ -876,7 +932,7 @@ class YoutubeIE(InfoExtractor):
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# Get video webpage
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self.report_video_webpage_download(video_id)
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request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id, None, std_headers)
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request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en&has_verified=1' % video_id)
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try:
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video_webpage = urllib2.urlopen(request).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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@ -895,7 +951,7 @@ class YoutubeIE(InfoExtractor):
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for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
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video_info_url = ('http://www.youtube.com/get_video_info?&video_id=%s%s&ps=default&eurl=&gl=US&hl=en'
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% (video_id, el_type))
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request = urllib2.Request(video_info_url, None, std_headers)
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request = urllib2.Request(video_info_url)
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try:
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video_info_webpage = urllib2.urlopen(request).read()
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video_info = parse_qs(video_info_webpage)
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@ -1055,7 +1111,7 @@ class MetacafeIE(InfoExtractor):
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def _real_initialize(self):
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# Retrieve disclaimer
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request = urllib2.Request(self._DISCLAIMER, None, std_headers)
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request = urllib2.Request(self._DISCLAIMER)
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try:
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self.report_disclaimer()
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disclaimer = urllib2.urlopen(request).read()
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@ -1068,7 +1124,7 @@ class MetacafeIE(InfoExtractor):
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'filters': '0',
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'submit': "Continue - I'm over 18",
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}
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request = urllib2.Request(self._FILTER_POST, urllib.urlencode(disclaimer_form), std_headers)
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request = urllib2.Request(self._FILTER_POST, urllib.urlencode(disclaimer_form))
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try:
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self.report_age_confirmation()
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disclaimer = urllib2.urlopen(request).read()
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@ -1771,7 +1827,7 @@ class YoutubeSearchIE(InfoExtractor):
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while True:
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self.report_download_page(query, pagenum)
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result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
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request = urllib2.Request(result_url, None, std_headers)
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request = urllib2.Request(result_url)
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try:
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page = urllib2.urlopen(request).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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@ -1862,7 +1918,7 @@ class GoogleSearchIE(InfoExtractor):
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while True:
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self.report_download_page(query, pagenum)
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result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
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request = urllib2.Request(result_url, None, std_headers)
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request = urllib2.Request(result_url)
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try:
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page = urllib2.urlopen(request).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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@ -1953,7 +2009,7 @@ class YahooSearchIE(InfoExtractor):
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while True:
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self.report_download_page(query, pagenum)
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result_url = self._TEMPLATE_URL % (urllib.quote_plus(query), pagenum)
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request = urllib2.Request(result_url, None, std_headers)
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request = urllib2.Request(result_url)
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try:
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page = urllib2.urlopen(request).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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@ -2017,7 +2073,7 @@ class YoutubePlaylistIE(InfoExtractor):
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while True:
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self.report_download_page(playlist_id, pagenum)
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request = urllib2.Request(self._TEMPLATE_URL % (playlist_id, pagenum), None, std_headers)
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request = urllib2.Request(self._TEMPLATE_URL % (playlist_id, pagenum))
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try:
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page = urllib2.urlopen(request).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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@ -2079,7 +2135,7 @@ class YoutubeUserIE(InfoExtractor):
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pagenum = 1
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self.report_download_page(username)
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request = urllib2.Request(self._TEMPLATE_URL % (username), None, std_headers)
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request = urllib2.Request(self._TEMPLATE_URL % (username))
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try:
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page = urllib2.urlopen(request).read()
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except (urllib2.URLError, httplib.HTTPException, socket.error), err:
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@ -2135,7 +2191,7 @@ class DepositFilesIE(InfoExtractor):
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# Retrieve file webpage with 'Free download' button pressed
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free_download_indication = { 'gateway_result' : '1' }
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request = urllib2.Request(url, urllib.urlencode(free_download_indication), std_headers)
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request = urllib2.Request(url, urllib.urlencode(free_download_indication))
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try:
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self.report_download_webpage(file_id)
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webpage = urllib2.urlopen(request).read()
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@ -2354,8 +2410,7 @@ if __name__ == '__main__':
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# General configuration
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cookie_processor = urllib2.HTTPCookieProcessor(jar)
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urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler()))
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urllib2.install_opener(urllib2.build_opener(cookie_processor))
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urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler(), cookie_processor, YoutubeDLHandler()))
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socket.setdefaulttimeout(300) # 5 minutes should be enough (famous last words)
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# Batch file verification
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