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[instagram:user] Simplify signing (#16119)
This commit is contained in:
Sergey M․
parent
dd9aea8cbd
commit
315ab3d500
1 changed files with 3 additions and 125 deletions
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@ -1,17 +1,13 @@
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from __future__ import unicode_literals
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import itertools
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import hashlib
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import json
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import os
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import re
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import subprocess
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import tempfile
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from .common import InfoExtractor
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from ..compat import compat_str
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from ..utils import (
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check_executable,
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ExtractorError,
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get_element_by_attribute,
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int_or_none,
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lowercase_escape,
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@ -244,99 +240,6 @@ class InstagramUserIE(InfoExtractor):
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}
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}
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_SIGN_CODE = '''
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"use strict";
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function i(e, t) {
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var r = (65535 & e) + (65535 & t);
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return (e >> 16) + (t >> 16) + (r >> 16) << 16 | 65535 & r
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}
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function a(e, t, r, n, o, a) {
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return i((s = i(i(t, e), i(n, a))) << (c = o) | s >>> 32 - c, r);
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var s, c
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}
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function s(e, t, r, n, o, i, s) {
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return a(t & r | ~t & n, e, t, o, i, s)
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}
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function c(e, t, r, n, o, i, s) {
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return a(t & n | r & ~n, e, t, o, i, s)
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}
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function u(e, t, r, n, o, i, s) {
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return a(t ^ r ^ n, e, t, o, i, s)
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}
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function l(e, t, r, n, o, i, s) {
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return a(r ^ (t | ~n), e, t, o, i, s)
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}
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function p(e, t) {
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var r, n, o, a, p;
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e[t >> 5] |= 128 << t % 32,
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e[14 + (t + 64 >>> 9 << 4)] = t;
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var d = 1732584193
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, f = -271733879
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, h = -1732584194
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, g = 271733878;
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for (r = 0; r < e.length; r += 16)
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n = d,
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o = f,
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a = h,
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p = g,
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f = l(f = l(f = l(f = l(f = u(f = u(f = u(f = u(f = c(f = c(f = c(f = c(f = s(f = s(f = s(f = s(f, h = s(h, g = s(g, d = s(d, f, h, g, e[r], 7, -680876936), f, h, e[r + 1], 12, -389564586), d, f, e[r + 2], 17, 606105819), g, d, e[r + 3], 22, -1044525330), h = s(h, g = s(g, d = s(d, f, h, g, e[r + 4], 7, -176418897), f, h, e[r + 5], 12, 1200080426), d, f, e[r + 6], 17, -1473231341), g, d, e[r + 7], 22, -45705983), h = s(h, g = s(g, d = s(d, f, h, g, e[r + 8], 7, 1770035416), f, h, e[r + 9], 12, -1958414417), d, f, e[r + 10], 17, -42063), g, d, e[r + 11], 22, -1990404162), h = s(h, g = s(g, d = s(d, f, h, g, e[r + 12], 7, 1804603682), f, h, e[r + 13], 12, -40341101), d, f, e[r + 14], 17, -1502002290), g, d, e[r + 15], 22, 1236535329), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 1], 5, -165796510), f, h, e[r + 6], 9, -1069501632), d, f, e[r + 11], 14, 643717713), g, d, e[r], 20, -373897302), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 5], 5, -701558691), f, h, e[r + 10], 9, 38016083), d, f, e[r + 15], 14, -660478335), g, d, e[r + 4], 20, -405537848), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 9], 5, 568446438), f, h, e[r + 14], 9, -1019803690), d, f, e[r + 3], 14, -187363961), g, d, e[r + 8], 20, 1163531501), h = c(h, g = c(g, d = c(d, f, h, g, e[r + 13], 5, -1444681467), f, h, e[r + 2], 9, -51403784), d, f, e[r + 7], 14, 1735328473), g, d, e[r + 12], 20, -1926607734), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 5], 4, -378558), f, h, e[r + 8], 11, -2022574463), d, f, e[r + 11], 16, 1839030562), g, d, e[r + 14], 23, -35309556), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 1], 4, -1530992060), f, h, e[r + 4], 11, 1272893353), d, f, e[r + 7], 16, -155497632), g, d, e[r + 10], 23, -1094730640), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 13], 4, 681279174), f, h, e[r], 11, -358537222), d, f, e[r + 3], 16, -722521979), g, d, e[r + 6], 23, 76029189), h = u(h, g = u(g, d = u(d, f, h, g, e[r + 9], 4, -640364487), f, h, e[r + 12], 11, -421815835), d, f, e[r + 15], 16, 530742520), g, d, e[r + 2], 23, -995338651), h = l(h, g = l(g, d = l(d, f, h, g, e[r], 6, -198630844), f, h, e[r + 7], 10, 1126891415), d, f, e[r + 14], 15, -1416354905), g, d, e[r + 5], 21, -57434055), h = l(h, g = l(g, d = l(d, f, h, g, e[r + 12], 6, 1700485571), f, h, e[r + 3], 10, -1894986606), d, f, e[r + 10], 15, -1051523), g, d, e[r + 1], 21, -2054922799), h = l(h, g = l(g, d = l(d, f, h, g, e[r + 8], 6, 1873313359), f, h, e[r + 15], 10, -30611744), d, f, e[r + 6], 15, -1560198380), g, d, e[r + 13], 21, 1309151649), h = l(h, g = l(g, d = l(d, f, h, g, e[r + 4], 6, -145523070), f, h, e[r + 11], 10, -1120210379), d, f, e[r + 2], 15, 718787259), g, d, e[r + 9], 21, -343485551),
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d = i(d, n),
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f = i(f, o),
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h = i(h, a),
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g = i(g, p);
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return [d, f, h, g]
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}
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function d(e) {
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var t, r = "", n = 32 * e.length;
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for (t = 0; t < n; t += 8)
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r += String.fromCharCode(e[t >> 5] >>> t % 32 & 255);
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return r
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}
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function f(e) {
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var t, r = [];
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for (r[(e.length >> 2) - 1] = void 0,
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t = 0; t < r.length; t += 1)
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r[t] = 0;
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var n = 8 * e.length;
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for (t = 0; t < n; t += 8)
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r[t >> 5] |= (255 & e.charCodeAt(t / 8)) << t % 32;
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return r
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}
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function h(e) {
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var t, r, n = "";
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for (r = 0; r < e.length; r += 1)
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t = e.charCodeAt(r),
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n += "0123456789abcdef".charAt(t >>> 4 & 15) + "0123456789abcdef".charAt(15 & t);
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return n
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}
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function g(e) {
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return unescape(encodeURIComponent(e))
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}
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function b(e) {
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return function(e) {
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return d(p(f(e), 8 * e.length))
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}(g(e))
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}
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function m(e, t) {
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return function(e, t) {
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var r, n, o = f(e), i = [], a = [];
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for (i[15] = a[15] = void 0,
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o.length > 16 && (o = p(o, 8 * e.length)),
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r = 0; r < 16; r += 1)
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i[r] = 909522486 ^ o[r],
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a[r] = 1549556828 ^ o[r];
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return n = p(i.concat(f(t)), 512 + 8 * t.length),
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d(p(a.concat(n), 640))
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}(g(e), g(t))
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}
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function v(e, t, r) {
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return t ? r ? m(t, e) : h(m(t, e)) : r ? b(e) : h(b(e))
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}
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function sign(s) {
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return v(s);
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}
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'''
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def _entries(self, data):
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def get_count(suffix):
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return int_or_none(try_get(
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@ -348,18 +251,6 @@ def get_count(suffix):
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self._set_cookie('instagram.com', 'ig_pr', '1')
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def sign(s):
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js_code = self._SIGN_CODE + "console.log(sign('%s')); phantom.exit();" % s
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with open(self._phantomjs_script.name, 'w') as f:
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f.write(js_code)
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p = subprocess.Popen(
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['phantomjs', '--ssl-protocol=any', f.name],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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gis, err = p.communicate()
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if p.returncode != 0:
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raise ExtractorError('Failed to sign request\n:' + err.decode('utf-8'))
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return gis.decode('utf-8').strip()
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cursor = ''
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for page_num in itertools.count(1):
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variables = json.dumps({
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@ -367,14 +258,12 @@ def sign(s):
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'first': 100,
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'after': cursor,
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})
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gis = sign(
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'%s:%s:%s:%s'
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% (rhx_gis, csrf_token, std_headers['User-Agent'], variables))
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s = '%s:%s:%s:%s' % (rhx_gis, csrf_token, std_headers['User-Agent'], variables)
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media = self._download_json(
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'https://www.instagram.com/graphql/query/', uploader_id,
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'Downloading JSON page %d' % page_num, headers={
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'X-Requested-With': 'XMLHttpRequest',
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'X-Instagram-GIS': gis,
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'X-Instagram-GIS': hashlib.md5(s.encode('utf-8')).hexdigest(),
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}, query={
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'query_hash': '472f257a40c653c64c666ce877d59d2b',
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'variables': variables,
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@ -431,17 +320,6 @@ def sign(s):
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if not cursor or not isinstance(cursor, compat_str):
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break
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def _real_initialize(self):
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if not check_executable('phantomjs', ['-v']):
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raise ExtractorError(
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'PhantomJS executable not found in PATH, download it from http://phantomjs.org',
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expected=True)
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self._phantomjs_script = tempfile.NamedTemporaryFile(delete=False)
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self._phantomjs_script.close()
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def __del__(self):
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os.unlink(self._phantomjs_script.name)
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def _real_extract(self, url):
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username = self._match_id(url)
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