X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/db19c7e19146d9f8d98b42966d120e519620f35d..bb8f7fa1e66fb0b783b3fdc24d75ed2ca0694e80:/youtube_dl/__init__.py diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py old mode 100755 new mode 100644 index 818a3a7..ba684a0 --- a/youtube_dl/__init__.py +++ b/youtube_dl/__init__.py @@ -1,4523 +1,474 @@ #!/usr/bin/env python -# -*- coding: utf-8 -*- +# coding: utf-8 -__authors__ = ( - 'Ricardo Garcia Gonzalez', - 'Danny Colligan', - 'Benjamin Johnson', - 'Vasyl\' Vavrychuk', - 'Witold Baryluk', - 'PaweŠPaprota', - 'Gergely Imreh', - 'Rogério Brito', - 'Philipp Hagemeister', - 'Sören Schulze', - 'Kevin Ngo', - 'Ori Avtalion', - 'shizeeg', - ) +from __future__ import unicode_literals __license__ = 'Public Domain' -__version__ = '2012.01.05' -UPDATE_URL = 'https://raw.github.com/rg3/youtube-dl/master/youtube-dl' - -import cookielib -import datetime -import gzip -import htmlentitydefs -import HTMLParser -import httplib -import locale -import math -import netrc +import codecs +import io import os -import os.path -import re -import socket -import string -import subprocess +import random import sys -import time -import urllib -import urllib2 -import warnings -import zlib - -if os.name == 'nt': - import ctypes - -try: - import email.utils -except ImportError: # Python 2.4 - import email.Utils -try: - import cStringIO as StringIO -except ImportError: - import StringIO - -# parse_qs was moved from the cgi module to the urlparse module recently. -try: - from urlparse import parse_qs -except ImportError: - from cgi import parse_qs - -try: - import lxml.etree -except ImportError: - pass # Handled below - -try: - import xml.etree.ElementTree -except ImportError: # Python<2.5: Not officially supported, but let it slip - warnings.warn('xml.etree.ElementTree support is missing. Consider upgrading to Python >= 2.5 if you get related errors.') - -std_headers = { - 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:5.0.1) Gecko/20100101 Firefox/5.0.1', - 'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7', - 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', - 'Accept-Encoding': 'gzip, deflate', - 'Accept-Language': 'en-us,en;q=0.5', -} - -try: - import json -except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson): - import re - class json(object): - @staticmethod - def loads(s): - s = s.decode('UTF-8') - def raiseError(msg, i): - raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:])) - def skipSpace(i, expectMore=True): - while i < len(s) and s[i] in ' \t\r\n': - i += 1 - if expectMore: - if i >= len(s): - raiseError('Premature end', i) - return i - def decodeEscape(match): - esc = match.group(1) - _STATIC = { - '"': '"', - '\\': '\\', - '/': '/', - 'b': unichr(0x8), - 'f': unichr(0xc), - 'n': '\n', - 'r': '\r', - 't': '\t', - } - if esc in _STATIC: - return _STATIC[esc] - if esc[0] == 'u': - if len(esc) == 1+4: - return unichr(int(esc[1:5], 16)) - if len(esc) == 5+6 and esc[5:7] == '\\u': - hi = int(esc[1:5], 16) - low = int(esc[7:11], 16) - return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000) - raise ValueError('Unknown escape ' + str(esc)) - def parseString(i): - i += 1 - e = i - while True: - e = s.index('"', e) - bslashes = 0 - while s[e-bslashes-1] == '\\': - bslashes += 1 - if bslashes % 2 == 1: - e += 1 - continue - break - rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)') - stri = rexp.sub(decodeEscape, s[i:e]) - return (e+1,stri) - def parseObj(i): - i += 1 - res = {} - i = skipSpace(i) - if s[i] == '}': # Empty dictionary - return (i+1,res) - while True: - if s[i] != '"': - raiseError('Expected a string object key', i) - i,key = parseString(i) - i = skipSpace(i) - if i >= len(s) or s[i] != ':': - raiseError('Expected a colon', i) - i,val = parse(i+1) - res[key] = val - i = skipSpace(i) - if s[i] == '}': - return (i+1, res) - if s[i] != ',': - raiseError('Expected comma or closing curly brace', i) - i = skipSpace(i+1) - def parseArray(i): - res = [] - i = skipSpace(i+1) - if s[i] == ']': # Empty array - return (i+1,res) - while True: - i,val = parse(i) - res.append(val) - i = skipSpace(i) # Raise exception if premature end - if s[i] == ']': - return (i+1, res) - if s[i] != ',': - raiseError('Expected a comma or closing bracket', i) - i = skipSpace(i+1) - def parseDiscrete(i): - for k,v in {'true': True, 'false': False, 'null': None}.items(): - if s.startswith(k, i): - return (i+len(k), v) - raiseError('Not a boolean (or null)', i) - def parseNumber(i): - mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:]) - if mobj is None: - raiseError('Not a number', i) - nums = mobj.group(1) - if '.' in nums or 'e' in nums or 'E' in nums: - return (i+len(nums), float(nums)) - return (i+len(nums), int(nums)) - CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete} - def parse(i): - i = skipSpace(i) - i,res = CHARMAP.get(s[i], parseNumber)(i) - i = skipSpace(i, False) - return (i,res) - i,res = parse(0) - if i < len(s): - raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')') - return res - -def preferredencoding(): - """Get preferred encoding. - - Returns the best encoding scheme for the system, based on - locale.getpreferredencoding() and some further tweaks. - """ - def yield_preferredencoding(): - try: - pref = locale.getpreferredencoding() - u'TEST'.encode(pref) - except: - pref = 'UTF-8' - while True: - yield pref - return yield_preferredencoding().next() - - -def htmlentity_transform(matchobj): - """Transforms an HTML entity to a Unicode character. - - This function receives a match object and is intended to be used with - the re.sub() function. - """ - entity = matchobj.group(1) - - # Known non-numeric HTML entity - if entity in htmlentitydefs.name2codepoint: - return unichr(htmlentitydefs.name2codepoint[entity]) - - # Unicode character - mobj = re.match(ur'(?u)#(x?\d+)', entity) - if mobj is not None: - numstr = mobj.group(1) - if numstr.startswith(u'x'): - base = 16 - numstr = u'0%s' % numstr - else: - base = 10 - return unichr(long(numstr, base)) - - # Unknown entity in name, return its literal representation - return (u'&%s;' % entity) - - -def sanitize_title(utitle): - """Sanitizes a video title so it could be used as part of a filename.""" - utitle = re.sub(ur'(?u)&(.+?);', htmlentity_transform, utitle) - return utitle.replace(unicode(os.sep), u'%') - - -def sanitize_open(filename, open_mode): - """Try to open the given filename, and slightly tweak it if this fails. - - Attempts to open the given filename. If this fails, it tries to change - the filename slightly, step by step, until it's either able to open it - or it fails and raises a final exception, like the standard open() - function. - - It returns the tuple (stream, definitive_file_name). - """ - try: - if filename == u'-': - if sys.platform == 'win32': - import msvcrt - msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) - return (sys.stdout, filename) - stream = open(filename, open_mode) - return (stream, filename) - except (IOError, OSError), err: - # In case of error, try to remove win32 forbidden chars - filename = re.sub(ur'[/<>:"\|\?\*]', u'#', filename) - - # An exception here should be caught in the caller - stream = open(filename, open_mode) - return (stream, filename) - - -def timeconvert(timestr): - """Convert RFC 2822 defined time string into system timestamp""" - timestamp = None - timetuple = email.utils.parsedate_tz(timestr) - if timetuple is not None: - timestamp = email.utils.mktime_tz(timetuple) - return timestamp - -def _simplify_title(title): - expr = re.compile(ur'[^\w\d_\-]+', flags=re.UNICODE) - return expr.sub(u'_', title).strip(u'_') - -def _orderedSet(iterable): - """ Remove all duplicates from the input iterable """ - res = [] - for el in iterable: - if el not in res: - res.append(el) - return res - -def _unescapeHTML(s): - """ - @param s a string (of type unicode) - """ - assert type(s) == type(u'') - - htmlParser = HTMLParser.HTMLParser() - return htmlParser.unescape(s) - -class DownloadError(Exception): - """Download Error exception. - - This exception may be thrown by FileDownloader objects if they are not - configured to continue on errors. They will contain the appropriate - error message. - """ - pass - - -class SameFileError(Exception): - """Same File exception. - - This exception will be thrown by FileDownloader objects if they detect - multiple files would have to be downloaded to the same file on disk. - """ - pass - - -class PostProcessingError(Exception): - """Post Processing exception. - - This exception may be raised by PostProcessor's .run() method to - indicate an error in the postprocessing task. - """ - pass - -class MaxDownloadsReached(Exception): - """ --max-downloads limit has been reached. """ - pass - - -class UnavailableVideoError(Exception): - """Unavailable Format exception. - - This exception will be thrown when a video is requested - in a format that is not available for that video. - """ - pass - - -class ContentTooShortError(Exception): - """Content Too Short exception. - - This exception may be raised by FileDownloader objects when a file they - download is too small for what the server announced first, indicating - the connection was probably interrupted. - """ - # Both in bytes - downloaded = None - expected = None - - def __init__(self, downloaded, expected): - self.downloaded = downloaded - self.expected = expected - - -class YoutubeDLHandler(urllib2.HTTPHandler): - """Handler for HTTP requests and responses. - - This class, when installed with an OpenerDirector, automatically adds - the standard headers to every HTTP request and handles gzipped and - deflated responses from web servers. If compression is to be avoided in - a particular request, the original request in the program code only has - to include the HTTP header "Youtubedl-No-Compression", which will be - removed before making the real request. - - Part of this code was copied from: - - http://techknack.net/python-urllib2-handlers/ - - Andrew Rowls, the author of that code, agreed to release it to the - public domain. - """ - - @staticmethod - def deflate(data): - try: - return zlib.decompress(data, -zlib.MAX_WBITS) - except zlib.error: - return zlib.decompress(data) - - @staticmethod - def addinfourl_wrapper(stream, headers, url, code): - if hasattr(urllib2.addinfourl, 'getcode'): - return urllib2.addinfourl(stream, headers, url, code) - ret = urllib2.addinfourl(stream, headers, url) - ret.code = code - return ret - - def http_request(self, req): - for h in std_headers: - if h in req.headers: - del req.headers[h] - req.add_header(h, std_headers[h]) - if 'Youtubedl-no-compression' in req.headers: - if 'Accept-encoding' in req.headers: - del req.headers['Accept-encoding'] - del req.headers['Youtubedl-no-compression'] - return req - - def http_response(self, req, resp): - old_resp = resp - # gzip - if resp.headers.get('Content-encoding', '') == 'gzip': - gz = gzip.GzipFile(fileobj=StringIO.StringIO(resp.read()), mode='r') - resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code) - resp.msg = old_resp.msg - # deflate - if resp.headers.get('Content-encoding', '') == 'deflate': - gz = StringIO.StringIO(self.deflate(resp.read())) - resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code) - resp.msg = old_resp.msg - return resp - - -class FileDownloader(object): - """File Downloader class. - - File downloader objects are the ones responsible of downloading the - actual video file and writing it to disk if the user has requested - it, among some other tasks. In most cases there should be one per - program. As, given a video URL, the downloader doesn't know how to - extract all the needed information, task that InfoExtractors do, it - has to pass the URL to one of them. - - For this, file downloader objects have a method that allows - InfoExtractors to be registered in a given order. When it is passed - a URL, the file downloader handles it to the first InfoExtractor it - finds that reports being able to handle it. The InfoExtractor extracts - all the information about the video or videos the URL refers to, and - asks the FileDownloader to process the video information, possibly - downloading the video. - - File downloaders accept a lot of parameters. In order not to saturate - the object constructor with arguments, it receives a dictionary of - options instead. These options are available through the params - attribute for the InfoExtractors to use. The FileDownloader also - registers itself as the downloader in charge for the InfoExtractors - that are added to it, so this is a "mutual registration". - - Available options: - - username: Username for authentication purposes. - password: Password for authentication purposes. - usenetrc: Use netrc for authentication instead. - quiet: Do not print messages to stdout. - forceurl: Force printing final URL. - forcetitle: Force printing title. - forcethumbnail: Force printing thumbnail URL. - forcedescription: Force printing description. - forcefilename: Force printing final filename. - simulate: Do not download the video files. - format: Video format code. - format_limit: Highest quality format to try. - outtmpl: Template for output names. - ignoreerrors: Do not stop on download errors. - ratelimit: Download speed limit, in bytes/sec. - nooverwrites: Prevent overwriting files. - retries: Number of times to retry for HTTP error 5xx - continuedl: Try to continue downloads if possible. - noprogress: Do not print the progress bar. - playliststart: Playlist item to start at. - playlistend: Playlist item to end at. - matchtitle: Download only matching titles. - rejecttitle: Reject downloads for matching titles. - logtostderr: Log messages to stderr instead of stdout. - consoletitle: Display progress in console window's titlebar. - nopart: Do not use temporary .part files. - updatetime: Use the Last-modified header to set output file timestamps. - writedescription: Write the video description to a .description file - writeinfojson: Write the video description to a .info.json file - """ - - params = None - _ies = [] - _pps = [] - _download_retcode = None - _num_downloads = None - _screen_file = None - - def __init__(self, params): - """Create a FileDownloader object with the given options.""" - self._ies = [] - self._pps = [] - self._download_retcode = 0 - self._num_downloads = 0 - self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)] - self.params = params - - @staticmethod - def format_bytes(bytes): - if bytes is None: - return 'N/A' - if type(bytes) is str: - bytes = float(bytes) - if bytes == 0.0: - exponent = 0 - else: - exponent = long(math.log(bytes, 1024.0)) - suffix = 'bkMGTPEZY'[exponent] - converted = float(bytes) / float(1024 ** exponent) - return '%.2f%s' % (converted, suffix) - - @staticmethod - def calc_percent(byte_counter, data_len): - if data_len is None: - return '---.-%' - return '%6s' % ('%3.1f%%' % (float(byte_counter) / float(data_len) * 100.0)) - - @staticmethod - def calc_eta(start, now, total, current): - if total is None: - return '--:--' - dif = now - start - if current == 0 or dif < 0.001: # One millisecond - return '--:--' - rate = float(current) / dif - eta = long((float(total) - float(current)) / rate) - (eta_mins, eta_secs) = divmod(eta, 60) - if eta_mins > 99: - return '--:--' - return '%02d:%02d' % (eta_mins, eta_secs) - - @staticmethod - def calc_speed(start, now, bytes): - dif = now - start - if bytes == 0 or dif < 0.001: # One millisecond - return '%10s' % '---b/s' - return '%10s' % ('%s/s' % FileDownloader.format_bytes(float(bytes) / dif)) - - @staticmethod - def best_block_size(elapsed_time, bytes): - new_min = max(bytes / 2.0, 1.0) - new_max = min(max(bytes * 2.0, 1.0), 4194304) # Do not surpass 4 MB - if elapsed_time < 0.001: - return long(new_max) - rate = bytes / elapsed_time - if rate > new_max: - return long(new_max) - if rate < new_min: - return long(new_min) - return long(rate) - - @staticmethod - def parse_bytes(bytestr): - """Parse a string indicating a byte quantity into a long integer.""" - matchobj = re.match(r'(?i)^(\d+(?:\.\d+)?)([kMGTPEZY]?)$', bytestr) - if matchobj is None: - return None - number = float(matchobj.group(1)) - multiplier = 1024.0 ** 'bkmgtpezy'.index(matchobj.group(2).lower()) - return long(round(number * multiplier)) - - def add_info_extractor(self, ie): - """Add an InfoExtractor object to the end of the list.""" - self._ies.append(ie) - ie.set_downloader(self) - - def add_post_processor(self, pp): - """Add a PostProcessor object to the end of the chain.""" - self._pps.append(pp) - pp.set_downloader(self) - - def to_screen(self, message, skip_eol=False, ignore_encoding_errors=False): - """Print message to stdout if not in quiet mode.""" - try: - if not self.params.get('quiet', False): - terminator = [u'\n', u''][skip_eol] - print >>self._screen_file, (u'%s%s' % (message, terminator)).encode(preferredencoding()), - self._screen_file.flush() - except (UnicodeEncodeError), err: - if not ignore_encoding_errors: - raise - - def to_stderr(self, message): - """Print message to stderr.""" - print >>sys.stderr, message.encode(preferredencoding()) - - def to_cons_title(self, message): - """Set console/terminal window title to message.""" - if not self.params.get('consoletitle', False): - return - if os.name == 'nt' and ctypes.windll.kernel32.GetConsoleWindow(): - # c_wchar_p() might not be necessary if `message` is - # already of type unicode() - ctypes.windll.kernel32.SetConsoleTitleW(ctypes.c_wchar_p(message)) - elif 'TERM' in os.environ: - sys.stderr.write('\033]0;%s\007' % message.encode(preferredencoding())) - - def fixed_template(self): - """Checks if the output template is fixed.""" - return (re.search(ur'(?u)%\(.+?\)s', self.params['outtmpl']) is None) - - def trouble(self, message=None): - """Determine action to take when a download problem appears. - - Depending on if the downloader has been configured to ignore - download errors or not, this method may throw an exception or - not when errors are found, after printing the message. - """ - if message is not None: - self.to_stderr(message) - if not self.params.get('ignoreerrors', False): - raise DownloadError(message) - self._download_retcode = 1 - - def slow_down(self, start_time, byte_counter): - """Sleep if the download speed is over the rate limit.""" - rate_limit = self.params.get('ratelimit', None) - if rate_limit is None or byte_counter == 0: - return - now = time.time() - elapsed = now - start_time - if elapsed <= 0.0: - return - speed = float(byte_counter) / elapsed - if speed > rate_limit: - time.sleep((byte_counter - rate_limit * (now - start_time)) / rate_limit) - - def temp_name(self, filename): - """Returns a temporary filename for the given filename.""" - if self.params.get('nopart', False) or filename == u'-' or \ - (os.path.exists(filename) and not os.path.isfile(filename)): - return filename - return filename + u'.part' - - def undo_temp_name(self, filename): - if filename.endswith(u'.part'): - return filename[:-len(u'.part')] - return filename - - def try_rename(self, old_filename, new_filename): - try: - if old_filename == new_filename: - return - os.rename(old_filename, new_filename) - except (IOError, OSError), err: - self.trouble(u'ERROR: unable to rename file') - - def try_utime(self, filename, last_modified_hdr): - """Try to set the last-modified time of the given file.""" - if last_modified_hdr is None: - return - if not os.path.isfile(filename): - return - timestr = last_modified_hdr - if timestr is None: - return - filetime = timeconvert(timestr) - if filetime is None: - return filetime - try: - os.utime(filename, (time.time(), filetime)) - except: - pass - return filetime - - def report_writedescription(self, descfn): - """ Report that the description file is being written """ - self.to_screen(u'[info] Writing video description to: %s' % descfn, ignore_encoding_errors=True) - - def report_writeinfojson(self, infofn): - """ Report that the metadata file has been written """ - self.to_screen(u'[info] Video description metadata as JSON to: %s' % infofn, ignore_encoding_errors=True) - - def report_destination(self, filename): - """Report destination filename.""" - self.to_screen(u'[download] Destination: %s' % filename, ignore_encoding_errors=True) - - def report_progress(self, percent_str, data_len_str, speed_str, eta_str): - """Report download progress.""" - if self.params.get('noprogress', False): - return - self.to_screen(u'\r[download] %s of %s at %s ETA %s' % - (percent_str, data_len_str, speed_str, eta_str), skip_eol=True) - self.to_cons_title(u'youtube-dl - %s of %s at %s ETA %s' % - (percent_str.strip(), data_len_str.strip(), speed_str.strip(), eta_str.strip())) - - def report_resuming_byte(self, resume_len): - """Report attempt to resume at given byte.""" - self.to_screen(u'[download] Resuming download at byte %s' % resume_len) - - def report_retry(self, count, retries): - """Report retry in case of HTTP error 5xx""" - self.to_screen(u'[download] Got server HTTP error. Retrying (attempt %d of %d)...' % (count, retries)) - - def report_file_already_downloaded(self, file_name): - """Report file has already been fully downloaded.""" - try: - self.to_screen(u'[download] %s has already been downloaded' % file_name) - except (UnicodeEncodeError), err: - self.to_screen(u'[download] The file has already been downloaded') - - def report_unable_to_resume(self): - """Report it was impossible to resume download.""" - self.to_screen(u'[download] Unable to resume') - - def report_finish(self): - """Report download finished.""" - if self.params.get('noprogress', False): - self.to_screen(u'[download] Download completed') - else: - self.to_screen(u'') - - def increment_downloads(self): - """Increment the ordinal that assigns a number to each file.""" - self._num_downloads += 1 - - def prepare_filename(self, info_dict): - """Generate the output filename.""" - try: - template_dict = dict(info_dict) - template_dict['epoch'] = unicode(long(time.time())) - template_dict['autonumber'] = unicode('%05d' % self._num_downloads) - filename = self.params['outtmpl'] % template_dict - return filename - except (ValueError, KeyError), err: - self.trouble(u'ERROR: invalid system charset or erroneous output template') - return None - - def _match_entry(self, info_dict): - """ Returns None iff the file should be downloaded """ - - title = info_dict['title'] - matchtitle = self.params.get('matchtitle', False) - if matchtitle and not re.search(matchtitle, title, re.IGNORECASE): - return u'[download] "' + title + '" title did not match pattern "' + matchtitle + '"' - rejecttitle = self.params.get('rejecttitle', False) - if rejecttitle and re.search(rejecttitle, title, re.IGNORECASE): - return u'"' + title + '" title matched reject pattern "' + rejecttitle + '"' - return None - - def process_info(self, info_dict): - """Process a single dictionary returned by an InfoExtractor.""" - - reason = self._match_entry(info_dict) - if reason is not None: - self.to_screen(u'[download] ' + reason) - return - - max_downloads = self.params.get('max_downloads') - if max_downloads is not None: - if self._num_downloads > int(max_downloads): - raise MaxDownloadsReached() - - filename = self.prepare_filename(info_dict) - - # Forced printings - if self.params.get('forcetitle', False): - print info_dict['title'].encode(preferredencoding(), 'xmlcharrefreplace') - if self.params.get('forceurl', False): - print info_dict['url'].encode(preferredencoding(), 'xmlcharrefreplace') - if self.params.get('forcethumbnail', False) and 'thumbnail' in info_dict: - print info_dict['thumbnail'].encode(preferredencoding(), 'xmlcharrefreplace') - if self.params.get('forcedescription', False) and 'description' in info_dict: - print info_dict['description'].encode(preferredencoding(), 'xmlcharrefreplace') - if self.params.get('forcefilename', False) and filename is not None: - print filename.encode(preferredencoding(), 'xmlcharrefreplace') - if self.params.get('forceformat', False): - print info_dict['format'].encode(preferredencoding(), 'xmlcharrefreplace') - - # Do nothing else if in simulate mode - if self.params.get('simulate', False): - return - - if filename is None: - return - - try: - dn = os.path.dirname(filename) - if dn != '' and not os.path.exists(dn): - os.makedirs(dn) - except (OSError, IOError), err: - self.trouble(u'ERROR: unable to create directory ' + unicode(err)) - return - - if self.params.get('writedescription', False): - try: - descfn = filename + '.description' - self.report_writedescription(descfn) - descfile = open(descfn, 'wb') - try: - descfile.write(info_dict['description'].encode('utf-8')) - finally: - descfile.close() - except (OSError, IOError): - self.trouble(u'ERROR: Cannot write description file ' + descfn) - return - - if self.params.get('writeinfojson', False): - infofn = filename + '.info.json' - self.report_writeinfojson(infofn) - try: - json.dump - except (NameError,AttributeError): - self.trouble(u'ERROR: No JSON encoder found. Update to Python 2.6+, setup a json module, or leave out --write-info-json.') - return - try: - infof = open(infofn, 'wb') - try: - json_info_dict = dict((k,v) for k,v in info_dict.iteritems() if not k in ('urlhandle',)) - json.dump(json_info_dict, infof) - finally: - infof.close() - except (OSError, IOError): - self.trouble(u'ERROR: Cannot write metadata to JSON file ' + infofn) - return - - if not self.params.get('skip_download', False): - if self.params.get('nooverwrites', False) and os.path.exists(filename): - success = True - else: - try: - success = self._do_download(filename, info_dict) - except (OSError, IOError), err: - raise UnavailableVideoError - except (urllib2.URLError, httplib.HTTPException, socket.error), err: - self.trouble(u'ERROR: unable to download video data: %s' % str(err)) - return - except (ContentTooShortError, ), err: - self.trouble(u'ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded)) - return - - if success: - try: - self.post_process(filename, info_dict) - except (PostProcessingError), err: - self.trouble(u'ERROR: postprocessing: %s' % str(err)) - return - - def download(self, url_list): - """Download a given list of URLs.""" - if len(url_list) > 1 and self.fixed_template(): - raise SameFileError(self.params['outtmpl']) - - for url in url_list: - suitable_found = False - for ie in self._ies: - # Go to next InfoExtractor if not suitable - if not ie.suitable(url): - continue - - # Suitable InfoExtractor found - suitable_found = True - - # Extract information from URL and process it - ie.extract(url) - - # Suitable InfoExtractor had been found; go to next URL - break - - if not suitable_found: - self.trouble(u'ERROR: no suitable InfoExtractor: %s' % url) - - return self._download_retcode - - def post_process(self, filename, ie_info): - """Run the postprocessing chain on the given file.""" - info = dict(ie_info) - info['filepath'] = filename - for pp in self._pps: - info = pp.run(info) - if info is None: - break - - def _download_with_rtmpdump(self, filename, url, player_url): - self.report_destination(filename) - tmpfilename = self.temp_name(filename) - - # Check for rtmpdump first - try: - subprocess.call(['rtmpdump', '-h'], stdout=(file(os.path.devnull, 'w')), stderr=subprocess.STDOUT) - except (OSError, IOError): - self.trouble(u'ERROR: RTMP download detected but "rtmpdump" could not be run') - return False - - # Download using rtmpdump. rtmpdump returns exit code 2 when - # the connection was interrumpted and resuming appears to be - # possible. This is part of rtmpdump's normal usage, AFAIK. - basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', tmpfilename] - retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)]) - while retval == 2 or retval == 1: - prevsize = os.path.getsize(tmpfilename) - self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True) - time.sleep(5.0) # This seems to be needed - retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1]) - cursize = os.path.getsize(tmpfilename) - if prevsize == cursize and retval == 1: - break - # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those - if prevsize == cursize and retval == 2 and cursize > 1024: - self.to_screen(u'\r[rtmpdump] Could not download the whole video. This can happen for some advertisements.') - retval = 0 - break - if retval == 0: - self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(tmpfilename)) - self.try_rename(tmpfilename, filename) - return True - else: - self.trouble(u'\nERROR: rtmpdump exited with code %d' % retval) - return False - - def _do_download(self, filename, info_dict): - url = info_dict['url'] - player_url = info_dict.get('player_url', None) - - # Check file already present - if self.params.get('continuedl', False) and os.path.isfile(filename) and not self.params.get('nopart', False): - self.report_file_already_downloaded(filename) - return True - - # Attempt to download using rtmpdump - if url.startswith('rtmp'): - return self._download_with_rtmpdump(filename, url, player_url) - - tmpfilename = self.temp_name(filename) - stream = None - - # Do not include the Accept-Encoding header - headers = {'Youtubedl-no-compression': 'True'} - basic_request = urllib2.Request(url, None, headers) - request = urllib2.Request(url, None, headers) - - # Establish possible resume length - if os.path.isfile(tmpfilename): - resume_len = os.path.getsize(tmpfilename) - else: - resume_len = 0 - - open_mode = 'wb' - if resume_len != 0: - if self.params.get('continuedl', False): - self.report_resuming_byte(resume_len) - request.add_header('Range','bytes=%d-' % resume_len) - open_mode = 'ab' - else: - resume_len = 0 - - count = 0 - retries = self.params.get('retries', 0) - while count <= retries: - # Establish connection - try: - if count == 0 and 'urlhandle' in info_dict: - data = info_dict['urlhandle'] - data = urllib2.urlopen(request) - break - except (urllib2.HTTPError, ), err: - if (err.code < 500 or err.code >= 600) and err.code != 416: - # Unexpected HTTP error - raise - elif err.code == 416: - # Unable to resume (requested range not satisfiable) - try: - # Open the connection again without the range header - data = urllib2.urlopen(basic_request) - content_length = data.info()['Content-Length'] - except (urllib2.HTTPError, ), err: - if err.code < 500 or err.code >= 600: - raise - else: - # Examine the reported length - if (content_length is not None and - (resume_len - 100 < long(content_length) < resume_len + 100)): - # The file had already been fully downloaded. - # Explanation to the above condition: in issue #175 it was revealed that - # YouTube sometimes adds or removes a few bytes from the end of the file, - # changing the file size slightly and causing problems for some users. So - # I decided to implement a suggested change and consider the file - # completely downloaded if the file size differs less than 100 bytes from - # the one in the hard drive. - self.report_file_already_downloaded(filename) - self.try_rename(tmpfilename, filename) - return True - else: - # The length does not match, we start the download over - self.report_unable_to_resume() - open_mode = 'wb' - break - # Retry - count += 1 - if count <= retries: - self.report_retry(count, retries) - - if count > retries: - self.trouble(u'ERROR: giving up after %s retries' % retries) - return False - - data_len = data.info().get('Content-length', None) - if data_len is not None: - data_len = long(data_len) + resume_len - data_len_str = self.format_bytes(data_len) - byte_counter = 0 + resume_len - block_size = 1024 - start = time.time() - while True: - # Download and write - before = time.time() - data_block = data.read(block_size) - after = time.time() - if len(data_block) == 0: - break - byte_counter += len(data_block) - - # Open file just in time - if stream is None: - try: - (stream, tmpfilename) = sanitize_open(tmpfilename, open_mode) - assert stream is not None - filename = self.undo_temp_name(tmpfilename) - self.report_destination(filename) - except (OSError, IOError), err: - self.trouble(u'ERROR: unable to open for writing: %s' % str(err)) - return False - try: - stream.write(data_block) - except (IOError, OSError), err: - self.trouble(u'\nERROR: unable to write data: %s' % str(err)) - return False - block_size = self.best_block_size(after - before, len(data_block)) - - # Progress message - speed_str = self.calc_speed(start, time.time(), byte_counter - resume_len) - if data_len is None: - self.report_progress('Unknown %', data_len_str, speed_str, 'Unknown ETA') - else: - percent_str = self.calc_percent(byte_counter, data_len) - eta_str = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len) - self.report_progress(percent_str, data_len_str, speed_str, eta_str) - - # Apply rate limit - self.slow_down(start, byte_counter - resume_len) - - if stream is None: - self.trouble(u'\nERROR: Did not get any data blocks') - return False - stream.close() - self.report_finish() - if data_len is not None and byte_counter != data_len: - raise ContentTooShortError(byte_counter, long(data_len)) - self.try_rename(tmpfilename, filename) - - # Update file modification time - if self.params.get('updatetime', True): - info_dict['filetime'] = self.try_utime(filename, data.info().get('last-modified', None)) - - return True - - -class InfoExtractor(object): - """Information Extractor class. - - Information extractors are the classes that, given a URL, extract - information from the video (or videos) the URL refers to. This - information includes the real video URL, the video title and simplified - title, author and others. The information is stored in a dictionary - which is then passed to the FileDownloader. The FileDownloader - processes this information possibly downloading the video to the file - system, among other possible outcomes. The dictionaries must include - the following fields: - - id: Video identifier. - url: Final video URL. - uploader: Nickname of the video uploader. - title: Literal title. - stitle: Simplified title. - ext: Video filename extension. - format: Video format. - player_url: SWF Player URL (may be None). - - The following fields are optional. Their primary purpose is to allow - youtube-dl to serve as the backend for a video search function, such - as the one in youtube2mp3. They are only used when their respective - forced printing functions are called: - - thumbnail: Full URL to a video thumbnail image. - description: One-line video description. - - Subclasses of this one should re-define the _real_initialize() and - _real_extract() methods and define a _VALID_URL regexp. - Probably, they should also be added to the list of extractors. - """ - - _ready = False - _downloader = None - - def __init__(self, downloader=None): - """Constructor. Receives an optional downloader.""" - self._ready = False - self.set_downloader(downloader) - - def suitable(self, url): - """Receives a URL and returns True if suitable for this IE.""" - return re.match(self._VALID_URL, url) is not None - - def initialize(self): - """Initializes an instance (authentication, etc).""" - if not self._ready: - self._real_initialize() - self._ready = True - - def extract(self, url): - """Extracts URL information and returns it in list of dicts.""" - self.initialize() - return self._real_extract(url) - - def set_downloader(self, downloader): - """Sets the downloader for this IE.""" - self._downloader = downloader - - def _real_initialize(self): - """Real initialization process. Redefine in subclasses.""" - pass - - def _real_extract(self, url): - """Real extraction process. Redefine in subclasses.""" - pass - - -class YoutubeIE(InfoExtractor): - """Information extractor for youtube.com.""" - - _VALID_URL = r'^((?:https?://)?(?:youtu\.be/|(?:\w+\.)?youtube(?:-nocookie)?\.com/)(?!view_play_list|my_playlists|artist|playlist)(?:(?:(?:v|embed|e)/)|(?:(?:watch(?:_popup)?(?:\.php)?)?(?:\?|#!?)(?:.+&)?v=))?)?([0-9A-Za-z_-]+)(?(1).+)?$' - _LANG_URL = r'http://www.youtube.com/?hl=en&persist_hl=1&gl=US&persist_gl=1&opt_out_ackd=1' - _LOGIN_URL = 'https://www.youtube.com/signup?next=/&gl=US&hl=en' - _AGE_URL = 'http://www.youtube.com/verify_age?next_url=/&gl=US&hl=en' - _NETRC_MACHINE = 'youtube' - # Listed in order of quality - _available_formats = ['38', '37', '22', '45', '35', '44', '34', '18', '43', '6', '5', '17', '13'] - _available_formats_prefer_free = ['38', '37', '45', '22', '44', '35', '43', '34', '18', '6', '5', '17', '13'] - _video_extensions = { - '13': '3gp', - '17': 'mp4', - '18': 'mp4', - '22': 'mp4', - '37': 'mp4', - '38': 'video', # You actually don't know if this will be MOV, AVI or whatever - '43': 'webm', - '44': 'webm', - '45': 'webm', - } - _video_dimensions = { - '5': '240x400', - '6': '???', - '13': '???', - '17': '144x176', - '18': '360x640', - '22': '720x1280', - '34': '360x640', - '35': '480x854', - '37': '1080x1920', - '38': '3072x4096', - '43': '360x640', - '44': '480x854', - '45': '720x1280', - } - IE_NAME = u'youtube' - - def report_lang(self): - """Report attempt to set language.""" - self._downloader.to_screen(u'[youtube] Setting language') - - def report_login(self): - """Report attempt to log in.""" - self._downloader.to_screen(u'[youtube] Logging in') - - def report_age_confirmation(self): - """Report attempt to confirm age.""" - self._downloader.to_screen(u'[youtube] Confirming age') - - def report_video_webpage_download(self, video_id): - """Report attempt to download video webpage.""" - self._downloader.to_screen(u'[youtube] %s: Downloading video webpage' % video_id) - - def report_video_info_webpage_download(self, video_id): - """Report attempt to download video info webpage.""" - self._downloader.to_screen(u'[youtube] %s: Downloading video info webpage' % video_id) - - def report_information_extraction(self, video_id): - """Report attempt to extract video information.""" - self._downloader.to_screen(u'[youtube] %s: Extracting video information' % video_id) - - def report_unavailable_format(self, video_id, format): - """Report extracted video URL.""" - self._downloader.to_screen(u'[youtube] %s: Format %s not available' % (video_id, format)) - - def report_rtmp_download(self): - """Indicate the download will use the RTMP protocol.""" - self._downloader.to_screen(u'[youtube] RTMP download detected') - - def _print_formats(self, formats): - print 'Available formats:' - for x in formats: - print '%s\t:\t%s\t[%s]' %(x, self._video_extensions.get(x, 'flv'), self._video_dimensions.get(x, '???')) - - def _real_initialize(self): - if self._downloader is None: - return - - username = None - password = None - downloader_params = self._downloader.params - - # Attempt to use provided username and password or .netrc data - if downloader_params.get('username', None) is not None: - username = downloader_params['username'] - password = downloader_params['password'] - elif downloader_params.get('usenetrc', False): - try: - info = netrc.netrc().authenticators(self._NETRC_MACHINE) - if info is not None: - username = info[0] - password = info[2] - else: - raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE) - except (IOError, netrc.NetrcParseError), err: - self._downloader.to_stderr(u'WARNING: parsing .netrc: %s' % str(err)) - return - - # Set language - request = urllib2.Request(self._LANG_URL) - try: - self.report_lang() - urllib2.urlopen(request).read() - except (urllib2.URLError, httplib.HTTPException, socket.error), err: - self._downloader.to_stderr(u'WARNING: unable to set language: %s' % str(err)) - return - - # No authentication to be performed - if username is None: - return - - # Log in - login_form = { - 'current_form': 'loginForm', - 'next': '/', - 'action_login': 'Log In', - 'username': username, - 'password': password, - } - request = urllib2.Request(self._LOGIN_URL, urllib.urlencode(login_form)) - try: - self.report_login() - login_results = urllib2.urlopen(request).read() - if re.search(r'(?i)