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yt-dlp/youtube_dl/utils.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import base64
import calendar
import codecs
import contextlib
import ctypes
import datetime
import email.utils
import errno
import functools
import gzip
import itertools
import io
import json
import locale
import math
import operator
import os
import pipes
import platform
import re
import ssl
import socket
import struct
import subprocess
import sys
import tempfile
import traceback
import xml.etree.ElementTree
import zlib
from .compat import (
compat_basestring,
compat_chr,
compat_etree_fromstring,
compat_html_entities,
compat_http_client,
compat_kwargs,
compat_parse_qs,
compat_socket_create_connection,
compat_str,
compat_urllib_error,
compat_urllib_parse,
compat_urllib_parse_urlparse,
compat_urllib_request,
compat_urlparse,
shlex_quote,
)
# This is not clearly defined otherwise
compiled_regex_type = type(re.compile(''))
std_headers = {
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)',
'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',
}
NO_DEFAULT = object()
ENGLISH_MONTH_NAMES = [
'January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December']
KNOWN_EXTENSIONS = (
'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
'flv', 'f4v', 'f4a', 'f4b',
'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
'mkv', 'mka', 'mk3d',
'avi', 'divx',
'mov',
'asf', 'wmv', 'wma',
'3gp', '3g2',
'mp3',
'flac',
'ape',
'wav',
'f4f', 'f4m', 'm3u8', 'smil')
def preferredencoding():
"""Get preferred encoding.
Returns the best encoding scheme for the system, based on
locale.getpreferredencoding() and some further tweaks.
"""
try:
pref = locale.getpreferredencoding()
'TEST'.encode(pref)
except Exception:
pref = 'UTF-8'
return pref
def write_json_file(obj, fn):
""" Encode obj as JSON and write it to fn, atomically if possible """
fn = encodeFilename(fn)
if sys.version_info < (3, 0) and sys.platform != 'win32':
encoding = get_filesystem_encoding()
# os.path.basename returns a bytes object, but NamedTemporaryFile
# will fail if the filename contains non ascii characters unless we
# use a unicode object
path_basename = lambda f: os.path.basename(fn).decode(encoding)
# the same for os.path.dirname
path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
else:
path_basename = os.path.basename
path_dirname = os.path.dirname
args = {
'suffix': '.tmp',
'prefix': path_basename(fn) + '.',
'dir': path_dirname(fn),
'delete': False,
}
# In Python 2.x, json.dump expects a bytestream.
# In Python 3.x, it writes to a character stream
if sys.version_info < (3, 0):
args['mode'] = 'wb'
else:
args.update({
'mode': 'w',
'encoding': 'utf-8',
})
tf = tempfile.NamedTemporaryFile(**compat_kwargs(args))
try:
with tf:
json.dump(obj, tf)
if sys.platform == 'win32':
# Need to remove existing file on Windows, else os.rename raises
# WindowsError or FileExistsError.
try:
os.unlink(fn)
except OSError:
pass
os.rename(tf.name, fn)
except Exception:
try:
os.remove(tf.name)
except OSError:
pass
raise
if sys.version_info >= (2, 7):
def find_xpath_attr(node, xpath, key, val=None):
""" Find the xpath xpath[@key=val] """
assert re.match(r'^[a-zA-Z_-]+$', key)
if val:
assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))
return node.find(expr)
else:
def find_xpath_attr(node, xpath, key, val=None):
# Here comes the crazy part: In 2.6, if the xpath is a unicode,
# .//node does not match if a node is a direct child of . !
if isinstance(xpath, compat_str):
xpath = xpath.encode('ascii')
for f in node.findall(xpath):
if key not in f.attrib:
continue
if val is None or f.attrib.get(key) == val:
return f
return None
# On python2.6 the xml.etree.ElementTree.Element methods don't support
# the namespace parameter
def xpath_with_ns(path, ns_map):
components = [c.split(':') for c in path.split('/')]
replaced = []
for c in components:
if len(c) == 1:
replaced.append(c[0])
else:
ns, tag = c
replaced.append('{%s}%s' % (ns_map[ns], tag))
return '/'.join(replaced)
def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
def _find_xpath(xpath):
if sys.version_info < (2, 7): # Crazy 2.6
xpath = xpath.encode('ascii')
return node.find(xpath)
if isinstance(xpath, (str, compat_str)):
n = _find_xpath(xpath)
else:
for xp in xpath:
n = _find_xpath(xp)
if n is not None:
break
if n is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = xpath if name is None else name
raise ExtractorError('Could not find XML element %s' % name)
else:
return None
return n
def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
n = xpath_element(node, xpath, name, fatal=fatal, default=default)
if n is None or n == default:
return n
if n.text is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = xpath if name is None else name
raise ExtractorError('Could not find XML element\'s text %s' % name)
else:
return None
return n.text
def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
n = find_xpath_attr(node, xpath, key)
if n is None:
if default is not NO_DEFAULT:
return default
elif fatal:
name = '%s[@%s]' % (xpath, key) if name is None else name
raise ExtractorError('Could not find XML attribute %s' % name)
else:
return None
return n.attrib[key]
def get_element_by_id(id, html):
"""Return the content of the tag with the specified ID in the passed HTML document"""
return get_element_by_attribute("id", id, html)
def get_element_by_attribute(attribute, value, html):
"""Return the content of the tag with the specified attribute in the passed HTML document"""
m = re.search(r'''(?xs)
<([a-zA-Z0-9:._-]+)
(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
\s+%s=['"]?%s['"]?
(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
\s*>
(?P<content>.*?)
</\1>
''' % (re.escape(attribute), re.escape(value)), html)
if not m:
return None
res = m.group('content')
if res.startswith('"') or res.startswith("'"):
res = res[1:-1]
return unescapeHTML(res)
def clean_html(html):
"""Clean an HTML snippet into a readable string"""
if html is None: # Convenience for sanitizing descriptions etc.
return html
# Newline vs <br />
html = html.replace('\n', ' ')
html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html)
html = re.sub(r'<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
# Strip html tags
html = re.sub('<.*?>', '', html)
# Replace html entities
html = unescapeHTML(html)
return html.strip()
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 == '-':
if sys.platform == 'win32':
import msvcrt
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
stream = open(encodeFilename(filename), open_mode)
return (stream, filename)
except (IOError, OSError) as err:
if err.errno in (errno.EACCES,):
raise
# In case of error, try to remove win32 forbidden chars
alt_filename = sanitize_path(filename)
if alt_filename == filename:
raise
else:
# An exception here should be caught in the caller
stream = open(encodeFilename(alt_filename), open_mode)
return (stream, alt_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 sanitize_filename(s, restricted=False, is_id=False):
"""Sanitizes a string so it could be used as part of a filename.
If restricted is set, use a stricter subset of allowed characters.
Set is_id if this is not an arbitrary string, but an ID that should be kept if possible
"""
def replace_insane(char):
if char == '?' or ord(char) < 32 or ord(char) == 127:
return ''
elif char == '"':
return '' if restricted else '\''
elif char == ':':
return '_-' if restricted else ' -'
elif char in '\\/|*<>':
return '_'
if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
return '_'
if restricted and ord(char) > 127:
return '_'
return char
# Handle timestamps
s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
result = ''.join(map(replace_insane, s))
if not is_id:
while '__' in result:
result = result.replace('__', '_')
result = result.strip('_')
# Common case of "Foreign band name - English song title"
if restricted and result.startswith('-_'):
result = result[2:]
if result.startswith('-'):
result = '_' + result[len('-'):]
result = result.lstrip('.')
if not result:
result = '_'
return result
def sanitize_path(s):
"""Sanitizes and normalizes path on Windows"""
if sys.platform != 'win32':
return s
drive_or_unc, _ = os.path.splitdrive(s)
if sys.version_info < (2, 7) and not drive_or_unc:
drive_or_unc, _ = os.path.splitunc(s)
norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep)
if drive_or_unc:
norm_path.pop(0)
sanitized_path = [
path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|[\s.]$)', '#', path_part)
for path_part in norm_path]
if drive_or_unc:
sanitized_path.insert(0, drive_or_unc + os.path.sep)
return os.path.join(*sanitized_path)
# Prepend protocol-less URLs with `http:` scheme in order to mitigate the number of
# unwanted failures due to missing protocol
def sanitized_Request(url, *args, **kwargs):
return compat_urllib_request.Request(
'http:%s' % url if url.startswith('//') else url, *args, **kwargs)
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 _htmlentity_transform(entity):
"""Transforms an HTML entity to a character."""
# Known non-numeric HTML entity
if entity in compat_html_entities.name2codepoint:
return compat_chr(compat_html_entities.name2codepoint[entity])
mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity)
if mobj is not None:
numstr = mobj.group(1)
if numstr.startswith('x'):
base = 16
numstr = '0%s' % numstr
else:
base = 10
# See https://github.com/rg3/youtube-dl/issues/7518
try:
return compat_chr(int(numstr, base))
except ValueError:
pass
# Unknown entity in name, return its literal representation
return '&%s;' % entity
def unescapeHTML(s):
if s is None:
return None
assert type(s) == compat_str
return re.sub(
r'&([^;]+);', lambda m: _htmlentity_transform(m.group(1)), s)
def get_subprocess_encoding():
if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
# For subprocess calls, encode with locale encoding
# Refer to http://stackoverflow.com/a/9951851/35070
encoding = preferredencoding()
else:
encoding = sys.getfilesystemencoding()
if encoding is None:
encoding = 'utf-8'
return encoding
def encodeFilename(s, for_subprocess=False):
"""
@param s The name of the file
"""
assert type(s) == compat_str
# Python 3 has a Unicode API
if sys.version_info >= (3, 0):
return s
# Pass '' directly to use Unicode APIs on Windows 2000 and up
# (Detecting Windows NT 4 is tricky because 'major >= 4' would
# match Windows 9x series as well. Besides, NT 4 is obsolete.)
if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
return s
return s.encode(get_subprocess_encoding(), 'ignore')
def decodeFilename(b, for_subprocess=False):
if sys.version_info >= (3, 0):
return b
if not isinstance(b, bytes):
return b
return b.decode(get_subprocess_encoding(), 'ignore')
def encodeArgument(s):
if not isinstance(s, compat_str):
# Legacy code that uses byte strings
# Uncomment the following line after fixing all post processors
# assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s))
s = s.decode('ascii')
return encodeFilename(s, True)
def decodeArgument(b):
return decodeFilename(b, True)
def decodeOption(optval):
if optval is None:
return optval
if isinstance(optval, bytes):
optval = optval.decode(preferredencoding())
assert isinstance(optval, compat_str)
return optval
def formatSeconds(secs):
if secs > 3600:
return '%d:%02d:%02d' % (secs // 3600, (secs % 3600) // 60, secs % 60)
elif secs > 60:
return '%d:%02d' % (secs // 60, secs % 60)
else:
return '%d' % secs
def make_HTTPS_handler(params, **kwargs):
opts_no_check_certificate = params.get('nocheckcertificate', False)
if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9
context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
if opts_no_check_certificate:
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
try:
return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
except TypeError:
# Python 2.7.8
# (create_default_context present but HTTPSHandler has no context=)
pass
if sys.version_info < (3, 2):
return YoutubeDLHTTPSHandler(params, **kwargs)
else: # Python < 3.4
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
context.verify_mode = (ssl.CERT_NONE
if opts_no_check_certificate
else ssl.CERT_REQUIRED)
context.set_default_verify_paths()
return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
def bug_reports_message():
if ytdl_is_updateable():
update_cmd = 'type youtube-dl -U to update'
else:
update_cmd = 'see https://yt-dl.org/update on how to update'
msg = '; please report this issue on https://yt-dl.org/bug .'
msg += ' Make sure you are using the latest version; %s.' % update_cmd
msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.'
return msg
class ExtractorError(Exception):
"""Error during info extraction."""
def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None):
""" tb, if given, is the original traceback (so that it can be printed out).
If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
"""
if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
expected = True
if video_id is not None:
msg = video_id + ': ' + msg
if cause:
msg += ' (caused by %r)' % cause
if not expected:
msg += bug_reports_message()
super(ExtractorError, self).__init__(msg)
self.traceback = tb
self.exc_info = sys.exc_info() # preserve original exception
self.cause = cause
self.video_id = video_id
def format_traceback(self):
if self.traceback is None:
return None
return ''.join(traceback.format_tb(self.traceback))
class UnsupportedError(ExtractorError):
def __init__(self, url):
super(UnsupportedError, self).__init__(
'Unsupported URL: %s' % url, expected=True)
self.url = url
class RegexNotFoundError(ExtractorError):
"""Error when a regex didn't match"""
pass
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.
"""
def __init__(self, msg, exc_info=None):
""" exc_info, if given, is the original exception that caused the trouble (as returned by sys.exc_info()). """
super(DownloadError, self).__init__(msg)
self.exc_info = exc_info
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.
"""
def __init__(self, msg):
self.msg = msg
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.
"""
def __init__(self, downloaded, expected):
# Both in bytes
self.downloaded = downloaded
self.expected = expected
def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
# Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting
# expected HTTP responses to meet HTTP/1.0 or later (see also
# https://github.com/rg3/youtube-dl/issues/6727)
if sys.version_info < (3, 0):
kwargs[b'strict'] = True
hc = http_class(*args, **kwargs)
source_address = ydl_handler._params.get('source_address')
if source_address is not None:
sa = (source_address, 0)
if hasattr(hc, 'source_address'): # Python 2.7+
hc.source_address = sa
else: # Python 2.6
def _hc_connect(self, *args, **kwargs):
sock = compat_socket_create_connection(
(self.host, self.port), self.timeout, sa)
if is_https:
self.sock = ssl.wrap_socket(
sock, self.key_file, self.cert_file,
ssl_version=ssl.PROTOCOL_TLSv1)
else:
self.sock = sock
hc.connect = functools.partial(_hc_connect, hc)
return hc
def handle_youtubedl_headers(headers):
filtered_headers = headers
if 'Youtubedl-no-compression' in filtered_headers:
filtered_headers = dict((k, v) for k, v in filtered_headers.items() if k.lower() != 'accept-encoding')
del filtered_headers['Youtubedl-no-compression']
return filtered_headers
class YoutubeDLHandler(compat_urllib_request.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.
"""
def __init__(self, params, *args, **kwargs):
compat_urllib_request.HTTPHandler.__init__(self, *args, **kwargs)
self._params = params
def http_open(self, req):
return self.do_open(functools.partial(
_create_http_connection, self, compat_http_client.HTTPConnection, False),
req)
@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(compat_urllib_request.addinfourl, 'getcode'):
return compat_urllib_request.addinfourl(stream, headers, url, code)
ret = compat_urllib_request.addinfourl(stream, headers, url)
ret.code = code
return ret
def http_request(self, req):
# According to RFC 3986, URLs can not contain non-ASCII characters, however this is not
# always respected by websites, some tend to give out URLs with non percent-encoded
# non-ASCII characters (see telemb.py, ard.py [#3412])
# urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991)
# To work around aforementioned issue we will replace request's original URL with
# percent-encoded one
# Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09)
# the code of this workaround has been moved here from YoutubeDL.urlopen()
url = req.get_full_url()
url_escaped = escape_url(url)
# Substitute URL if any change after escaping
if url != url_escaped:
req_type = HEADRequest if req.get_method() == 'HEAD' else compat_urllib_request.Request
new_req = req_type(
url_escaped, data=req.data, headers=req.headers,
origin_req_host=req.origin_req_host, unverifiable=req.unverifiable)
new_req.timeout = req.timeout
req = new_req
for h, v in std_headers.items():
# Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
# The dict keys are capitalized because of this bug by urllib
if h.capitalize() not in req.headers:
req.add_header(h, v)
req.headers = handle_youtubedl_headers(req.headers)
if sys.version_info < (2, 7) and '#' in req.get_full_url():
# Python 2.6 is brain-dead when it comes to fragments
req._Request__original = req._Request__original.partition('#')[0]
req._Request__r_type = req._Request__r_type.partition('#')[0]
return req
def http_response(self, req, resp):
old_resp = resp
# gzip
if resp.headers.get('Content-encoding', '') == 'gzip':
content = resp.read()
gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb')
try:
uncompressed = io.BytesIO(gz.read())
except IOError as original_ioerror:
# There may be junk add the end of the file
# See http://stackoverflow.com/q/4928560/35070 for details
for i in range(1, 1024):
try:
gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb')
uncompressed = io.BytesIO(gz.read())
except IOError:
continue
break
else:
raise original_ioerror
resp = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
del resp.headers['Content-encoding']
# deflate
if resp.headers.get('Content-encoding', '') == 'deflate':
gz = io.BytesIO(self.deflate(resp.read()))
resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
del resp.headers['Content-encoding']
# Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see
# https://github.com/rg3/youtube-dl/issues/6457).
if 300 <= resp.code < 400:
location = resp.headers.get('Location')
if location:
# As of RFC 2616 default charset is iso-8859-1 that is respected by python 3
if sys.version_info >= (3, 0):
location = location.encode('iso-8859-1').decode('utf-8')
location_escaped = escape_url(location)
if location != location_escaped:
del resp.headers['Location']
resp.headers['Location'] = location_escaped
return resp
https_request = http_request
https_response = http_response
class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler):
def __init__(self, params, https_conn_class=None, *args, **kwargs):
compat_urllib_request.HTTPSHandler.__init__(self, *args, **kwargs)
self._https_conn_class = https_conn_class or compat_http_client.HTTPSConnection
self._params = params
def https_open(self, req):
kwargs = {}
if hasattr(self, '_context'): # python > 2.6
kwargs['context'] = self._context
if hasattr(self, '_check_hostname'): # python 3.x
kwargs['check_hostname'] = self._check_hostname
return self.do_open(functools.partial(
_create_http_connection, self, self._https_conn_class, True),
req, **kwargs)
class YoutubeDLCookieProcessor(compat_urllib_request.HTTPCookieProcessor):
def __init__(self, cookiejar=None):
compat_urllib_request.HTTPCookieProcessor.__init__(self, cookiejar)
def http_response(self, request, response):
# Python 2 will choke on next HTTP request in row if there are non-ASCII
# characters in Set-Cookie HTTP header of last response (see
# https://github.com/rg3/youtube-dl/issues/6769).
# In order to at least prevent crashing we will percent encode Set-Cookie
# header before HTTPCookieProcessor starts processing it.
# if sys.version_info < (3, 0) and response.headers:
# for set_cookie_header in ('Set-Cookie', 'Set-Cookie2'):
# set_cookie = response.headers.get(set_cookie_header)
# if set_cookie:
# set_cookie_escaped = compat_urllib_parse.quote(set_cookie, b"%/;:@&=+$,!~*'()?#[] ")
# if set_cookie != set_cookie_escaped:
# del response.headers[set_cookie_header]
# response.headers[set_cookie_header] = set_cookie_escaped
return compat_urllib_request.HTTPCookieProcessor.http_response(self, request, response)
https_request = compat_urllib_request.HTTPCookieProcessor.http_request
https_response = http_response
def parse_iso8601(date_str, delimiter='T', timezone=None):
""" Return a UNIX timestamp from the given date """
if date_str is None:
return None
date_str = re.sub(r'\.[0-9]+', '', date_str)
if timezone is None:
m = re.search(
r'(?:Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$)',
date_str)
if not m:
timezone = datetime.timedelta()
else:
date_str = date_str[:-len(m.group(0))]
if not m.group('sign'):
timezone = datetime.timedelta()
else:
sign = 1 if m.group('sign') == '+' else -1
timezone = datetime.timedelta(
hours=sign * int(m.group('hours')),
minutes=sign * int(m.group('minutes')))
try:
date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter)
dt = datetime.datetime.strptime(date_str, date_format) - timezone
return calendar.timegm(dt.timetuple())
except ValueError:
pass
def unified_strdate(date_str, day_first=True):
"""Return a string with the date in the format YYYYMMDD"""
if date_str is None:
return None
upload_date = None
# Replace commas
date_str = date_str.replace(',', ' ')
# %z (UTC offset) is only supported in python>=3.2
if not re.match(r'^[0-9]{1,2}-[0-9]{1,2}-[0-9]{4}$', date_str):
date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', date_str)
# Remove AM/PM + timezone
date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
format_expressions = [
'%d %B %Y',
'%d %b %Y',
'%B %d %Y',
'%b %d %Y',
'%b %dst %Y %I:%M%p',
'%b %dnd %Y %I:%M%p',
'%b %dth %Y %I:%M%p',
'%Y %m %d',
'%Y-%m-%d',
'%Y/%m/%d',
'%Y/%m/%d %H:%M:%S',
'%Y-%m-%d %H:%M:%S',
'%Y-%m-%d %H:%M:%S.%f',
'%d.%m.%Y %H:%M',
'%d.%m.%Y %H.%M',
'%Y-%m-%dT%H:%M:%SZ',
'%Y-%m-%dT%H:%M:%S.%fZ',
'%Y-%m-%dT%H:%M:%S.%f0Z',
'%Y-%m-%dT%H:%M:%S',
'%Y-%m-%dT%H:%M:%S.%f',
'%Y-%m-%dT%H:%M',
]
if day_first:
format_expressions.extend([
'%d-%m-%Y',
'%d.%m.%Y',
'%d/%m/%Y',
'%d/%m/%y',
'%d/%m/%Y %H:%M:%S',
])
else:
format_expressions.extend([
'%m-%d-%Y',
'%m.%d.%Y',
'%m/%d/%Y',
'%m/%d/%y',
'%m/%d/%Y %H:%M:%S',
])
for expression in format_expressions:
try:
upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
except ValueError:
pass
if upload_date is None:
timetuple = email.utils.parsedate_tz(date_str)
if timetuple:
upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
if upload_date is not None:
return compat_str(upload_date)
def determine_ext(url, default_ext='unknown_video'):
if url is None:
return default_ext
guess = url.partition('?')[0].rpartition('.')[2]
if re.match(r'^[A-Za-z0-9]+$', guess):
return guess
# Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
elif guess.rstrip('/') in KNOWN_EXTENSIONS:
return guess.rstrip('/')
else:
return default_ext
def subtitles_filename(filename, sub_lang, sub_format):
return filename.rsplit('.', 1)[0] + '.' + sub_lang + '.' + sub_format
def date_from_str(date_str):
"""
Return a datetime object from a string in the format YYYYMMDD or
(now|today)[+-][0-9](day|week|month|year)(s)?"""
today = datetime.date.today()
if date_str in ('now', 'today'):
return today
if date_str == 'yesterday':
return today - datetime.timedelta(days=1)
match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str)
if match is not None:
sign = match.group('sign')
time = int(match.group('time'))
if sign == '-':
time = -time
unit = match.group('unit')
# A bad approximation?
if unit == 'month':
unit = 'day'
time *= 30
elif unit == 'year':
unit = 'day'
time *= 365
unit += 's'
delta = datetime.timedelta(**{unit: time})
return today + delta
return datetime.datetime.strptime(date_str, "%Y%m%d").date()
def hyphenate_date(date_str):
"""
Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', date_str)
if match is not None:
return '-'.join(match.groups())
else:
return date_str
class DateRange(object):
"""Represents a time interval between two dates"""
def __init__(self, start=None, end=None):
"""start and end must be strings in the format accepted by date"""
if start is not None:
self.start = date_from_str(start)
else:
self.start = datetime.datetime.min.date()
if end is not None:
self.end = date_from_str(end)
else:
self.end = datetime.datetime.max.date()
if self.start > self.end:
raise ValueError('Date range: "%s" , the start date must be before the end date' % self)
@classmethod
def day(cls, day):
"""Returns a range that only contains the given day"""
return cls(day, day)
def __contains__(self, date):
"""Check if the date is in the range"""
if not isinstance(date, datetime.date):
date = date_from_str(date)
return self.start <= date <= self.end
def __str__(self):
return '%s - %s' % (self.start.isoformat(), self.end.isoformat())
def platform_name():
""" Returns the platform name as a compat_str """
res = platform.platform()
if isinstance(res, bytes):
res = res.decode(preferredencoding())
assert isinstance(res, compat_str)
return res
def _windows_write_string(s, out):
""" Returns True if the string was written using special methods,
False if it has yet to be written out."""
# Adapted from http://stackoverflow.com/a/3259271/35070
import ctypes
import ctypes.wintypes
WIN_OUTPUT_IDS = {
1: -11,
2: -12,
}
try:
fileno = out.fileno()
except AttributeError:
# If the output stream doesn't have a fileno, it's virtual
return False
except io.UnsupportedOperation:
# Some strange Windows pseudo files?
return False
if fileno not in WIN_OUTPUT_IDS:
return False
GetStdHandle = ctypes.WINFUNCTYPE(
ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)(
(b"GetStdHandle", ctypes.windll.kernel32))
h = GetStdHandle(WIN_OUTPUT_IDS[fileno])
WriteConsoleW = ctypes.WINFUNCTYPE(
ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR,
ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD),
ctypes.wintypes.LPVOID)((b"WriteConsoleW", ctypes.windll.kernel32))
written = ctypes.wintypes.DWORD(0)
GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b"GetFileType", ctypes.windll.kernel32))
FILE_TYPE_CHAR = 0x0002
FILE_TYPE_REMOTE = 0x8000
GetConsoleMode = ctypes.WINFUNCTYPE(
ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE,
ctypes.POINTER(ctypes.wintypes.DWORD))(
(b"GetConsoleMode", ctypes.windll.kernel32))
INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value
def not_a_console(handle):
if handle == INVALID_HANDLE_VALUE or handle is None:
return True
return ((GetFileType(handle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR or
GetConsoleMode(handle, ctypes.byref(ctypes.wintypes.DWORD())) == 0)
if not_a_console(h):
return False
def next_nonbmp_pos(s):
try:
return next(i for i, c in enumerate(s) if ord(c) > 0xffff)
except StopIteration:
return len(s)
while s:
count = min(next_nonbmp_pos(s), 1024)
ret = WriteConsoleW(
h, s, count if count else 2, ctypes.byref(written), None)
if ret == 0:
raise OSError('Failed to write string')
if not count: # We just wrote a non-BMP character
assert written.value == 2
s = s[1:]
else:
assert written.value > 0
s = s[written.value:]
return True
def write_string(s, out=None, encoding=None):
if out is None:
out = sys.stderr
assert type(s) == compat_str
if sys.platform == 'win32' and encoding is None and hasattr(out, 'fileno'):
if _windows_write_string(s, out):
return
if ('b' in getattr(out, 'mode', '') or
sys.version_info[0] < 3): # Python 2 lies about mode of sys.stderr
byt = s.encode(encoding or preferredencoding(), 'ignore')
out.write(byt)
elif hasattr(out, 'buffer'):
enc = encoding or getattr(out, 'encoding', None) or preferredencoding()
byt = s.encode(enc, 'ignore')
out.buffer.write(byt)
else:
out.write(s)
out.flush()
def bytes_to_intlist(bs):
if not bs:
return []
if isinstance(bs[0], int): # Python 3
return list(bs)
else:
return [ord(c) for c in bs]
def intlist_to_bytes(xs):
if not xs:
return b''
return struct_pack('%dB' % len(xs), *xs)
# Cross-platform file locking
if sys.platform == 'win32':
import ctypes.wintypes
import msvcrt
class OVERLAPPED(ctypes.Structure):
_fields_ = [
('Internal', ctypes.wintypes.LPVOID),
('InternalHigh', ctypes.wintypes.LPVOID),
('Offset', ctypes.wintypes.DWORD),
('OffsetHigh', ctypes.wintypes.DWORD),
('hEvent', ctypes.wintypes.HANDLE),
]
kernel32 = ctypes.windll.kernel32
LockFileEx = kernel32.LockFileEx
LockFileEx.argtypes = [
ctypes.wintypes.HANDLE, # hFile
ctypes.wintypes.DWORD, # dwFlags
ctypes.wintypes.DWORD, # dwReserved
ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
ctypes.POINTER(OVERLAPPED) # Overlapped
]
LockFileEx.restype = ctypes.wintypes.BOOL
UnlockFileEx = kernel32.UnlockFileEx
UnlockFileEx.argtypes = [
ctypes.wintypes.HANDLE, # hFile
ctypes.wintypes.DWORD, # dwReserved
ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
ctypes.POINTER(OVERLAPPED) # Overlapped
]
UnlockFileEx.restype = ctypes.wintypes.BOOL
whole_low = 0xffffffff
whole_high = 0x7fffffff
def _lock_file(f, exclusive):
overlapped = OVERLAPPED()
overlapped.Offset = 0
overlapped.OffsetHigh = 0
overlapped.hEvent = 0
f._lock_file_overlapped_p = ctypes.pointer(overlapped)
handle = msvcrt.get_osfhandle(f.fileno())
if not LockFileEx(handle, 0x2 if exclusive else 0x0, 0,
whole_low, whole_high, f._lock_file_overlapped_p):
raise OSError('Locking file failed: %r' % ctypes.FormatError())
def _unlock_file(f):
assert f._lock_file_overlapped_p
handle = msvcrt.get_osfhandle(f.fileno())
if not UnlockFileEx(handle, 0,
whole_low, whole_high, f._lock_file_overlapped_p):
raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
else:
import fcntl
def _lock_file(f, exclusive):
fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
def _unlock_file(f):
fcntl.flock(f, fcntl.LOCK_UN)
class locked_file(object):
def __init__(self, filename, mode, encoding=None):
assert mode in ['r', 'a', 'w']
self.f = io.open(filename, mode, encoding=encoding)
self.mode = mode
def __enter__(self):
exclusive = self.mode != 'r'
try:
_lock_file(self.f, exclusive)
except IOError:
self.f.close()
raise
return self
def __exit__(self, etype, value, traceback):
try:
_unlock_file(self.f)
finally:
self.f.close()
def __iter__(self):
return iter(self.f)
def write(self, *args):
return self.f.write(*args)
def read(self, *args):
return self.f.read(*args)
def get_filesystem_encoding():
encoding = sys.getfilesystemencoding()
return encoding if encoding is not None else 'utf-8'
def shell_quote(args):
quoted_args = []
encoding = get_filesystem_encoding()
for a in args:
if isinstance(a, bytes):
# We may get a filename encoded with 'encodeFilename'
a = a.decode(encoding)
quoted_args.append(pipes.quote(a))
return ' '.join(quoted_args)
def smuggle_url(url, data):
""" Pass additional data in a URL for internal use. """
sdata = compat_urllib_parse.urlencode(
{'__youtubedl_smuggle': json.dumps(data)})
return url + '#' + sdata
def unsmuggle_url(smug_url, default=None):
if '#__youtubedl_smuggle' not in smug_url:
return smug_url, default
url, _, sdata = smug_url.rpartition('#')
jsond = compat_parse_qs(sdata)['__youtubedl_smuggle'][0]
data = json.loads(jsond)
return url, data
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 = int(math.log(bytes, 1024.0))
suffix = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'][exponent]
converted = float(bytes) / float(1024 ** exponent)
return '%.2f%s' % (converted, suffix)
def parse_filesize(s):
if s is None:
return None
# The lower-case forms are of course incorrect and unofficial,
# but we support those too
_UNIT_TABLE = {
'B': 1,
'b': 1,
'KiB': 1024,
'KB': 1000,
'kB': 1024,
'Kb': 1000,
'MiB': 1024 ** 2,
'MB': 1000 ** 2,
'mB': 1024 ** 2,
'Mb': 1000 ** 2,
'GiB': 1024 ** 3,
'GB': 1000 ** 3,
'gB': 1024 ** 3,
'Gb': 1000 ** 3,
'TiB': 1024 ** 4,
'TB': 1000 ** 4,
'tB': 1024 ** 4,
'Tb': 1000 ** 4,
'PiB': 1024 ** 5,
'PB': 1000 ** 5,
'pB': 1024 ** 5,
'Pb': 1000 ** 5,
'EiB': 1024 ** 6,
'EB': 1000 ** 6,
'eB': 1024 ** 6,
'Eb': 1000 ** 6,
'ZiB': 1024 ** 7,
'ZB': 1000 ** 7,
'zB': 1024 ** 7,
'Zb': 1000 ** 7,
'YiB': 1024 ** 8,
'YB': 1000 ** 8,
'yB': 1024 ** 8,
'Yb': 1000 ** 8,
}
units_re = '|'.join(re.escape(u) for u in _UNIT_TABLE)
m = re.match(
r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)' % units_re, s)
if not m:
return None
num_str = m.group('num').replace(',', '.')
mult = _UNIT_TABLE[m.group('unit')]
return int(float(num_str) * mult)
def month_by_name(name):
""" Return the number of a month by (locale-independently) English name """
try:
return ENGLISH_MONTH_NAMES.index(name) + 1
except ValueError:
return None
def month_by_abbreviation(abbrev):
""" Return the number of a month by (locale-independently) English
abbreviations """
try:
return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1
except ValueError:
return None
def fix_xml_ampersands(xml_str):
"""Replace all the '&' by '&amp;' in XML"""
return re.sub(
r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
'&amp;',
xml_str)
def setproctitle(title):
assert isinstance(title, compat_str)
try:
libc = ctypes.cdll.LoadLibrary("libc.so.6")
except OSError:
return
title_bytes = title.encode('utf-8')
buf = ctypes.create_string_buffer(len(title_bytes))
buf.value = title_bytes
try:
libc.prctl(15, buf, 0, 0, 0)
except AttributeError:
return # Strange libc, just skip this
def remove_start(s, start):
if s.startswith(start):
return s[len(start):]
return s
def remove_end(s, end):
if s.endswith(end):
return s[:-len(end)]
return s
def remove_quotes(s):
if s is None or len(s) < 2:
return s
for quote in ('"', "'", ):
if s[0] == quote and s[-1] == quote:
return s[1:-1]
return s
def url_basename(url):
path = compat_urlparse.urlparse(url).path
return path.strip('/').split('/')[-1]
class HEADRequest(compat_urllib_request.Request):
def get_method(self):
return "HEAD"
def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
if get_attr:
if v is not None:
v = getattr(v, get_attr, None)
if v == '':
v = None
if v is None:
return default
try:
return int(v) * invscale // scale
except ValueError:
return default
def str_or_none(v, default=None):
return default if v is None else compat_str(v)
def str_to_int(int_str):
""" A more relaxed version of int_or_none """
if int_str is None:
return None
int_str = re.sub(r'[,\.\+]', '', int_str)
return int(int_str)
def float_or_none(v, scale=1, invscale=1, default=None):
if v is None:
return default
try:
return float(v) * invscale / scale
except ValueError:
return default
def parse_duration(s):
if not isinstance(s, compat_basestring):
return None
s = s.strip()
m = re.match(
r'''(?ix)(?:P?T)?
(?:
(?P<only_mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*|
(?P<only_hours>[0-9.]+)\s*(?:hours?)|
\s*(?P<hours_reversed>[0-9]+)\s*(?:[:h]|hours?)\s*(?P<mins_reversed>[0-9]+)\s*(?:[:m]|mins?\.?|minutes?)\s*|
(?:
(?:
(?:(?P<days>[0-9]+)\s*(?:[:d]|days?)\s*)?
(?P<hours>[0-9]+)\s*(?:[:h]|hours?)\s*
)?
(?P<mins>[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*
)?
(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*(?:s|secs?|seconds?)?
)$''', s)
if not m:
return None
res = 0
if m.group('only_mins'):
return float_or_none(m.group('only_mins'), invscale=60)
if m.group('only_hours'):
return float_or_none(m.group('only_hours'), invscale=60 * 60)
if m.group('secs'):
res += int(m.group('secs'))
if m.group('mins_reversed'):
res += int(m.group('mins_reversed')) * 60
if m.group('mins'):
res += int(m.group('mins')) * 60
if m.group('hours'):
res += int(m.group('hours')) * 60 * 60
if m.group('hours_reversed'):
res += int(m.group('hours_reversed')) * 60 * 60
if m.group('days'):
res += int(m.group('days')) * 24 * 60 * 60
if m.group('ms'):
res += float(m.group('ms'))
return res
def prepend_extension(filename, ext, expected_real_ext=None):
name, real_ext = os.path.splitext(filename)
return (
'{0}.{1}{2}'.format(name, ext, real_ext)
if not expected_real_ext or real_ext[1:] == expected_real_ext
else '{0}.{1}'.format(filename, ext))
def replace_extension(filename, ext, expected_real_ext=None):
name, real_ext = os.path.splitext(filename)
return '{0}.{1}'.format(
name if not expected_real_ext or real_ext[1:] == expected_real_ext else filename,
ext)
def check_executable(exe, args=[]):
""" Checks if the given binary is installed somewhere in PATH, and returns its name.
args can be a list of arguments for a short output (like -version) """
try:
subprocess.Popen([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
except OSError:
return False
return exe
def get_exe_version(exe, args=['--version'],
version_re=None, unrecognized='present'):
""" Returns the version of the specified executable,
or False if the executable is not present """
try:
out, _ = subprocess.Popen(
[encodeArgument(exe)] + args,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()
except OSError:
return False
if isinstance(out, bytes): # Python 2.x
out = out.decode('ascii', 'ignore')
return detect_exe_version(out, version_re, unrecognized)
def detect_exe_version(output, version_re=None, unrecognized='present'):
assert isinstance(output, compat_str)
if version_re is None:
version_re = r'version\s+([-0-9._a-zA-Z]+)'
m = re.search(version_re, output)
if m:
return m.group(1)
else:
return unrecognized
class PagedList(object):
def __len__(self):
# This is only useful for tests
return len(self.getslice())
class OnDemandPagedList(PagedList):
def __init__(self, pagefunc, pagesize):
self._pagefunc = pagefunc
self._pagesize = pagesize
def getslice(self, start=0, end=None):
res = []
for pagenum in itertools.count(start // self._pagesize):
firstid = pagenum * self._pagesize
nextfirstid = pagenum * self._pagesize + self._pagesize
if start >= nextfirstid:
continue
page_results = list(self._pagefunc(pagenum))
startv = (
start % self._pagesize
if firstid <= start < nextfirstid
else 0)
endv = (
((end - 1) % self._pagesize) + 1
if (end is not None and firstid <= end <= nextfirstid)
else None)
if startv != 0 or endv is not None:
page_results = page_results[startv:endv]
res.extend(page_results)
# A little optimization - if current page is not "full", ie. does
# not contain page_size videos then we can assume that this page
# is the last one - there are no more ids on further pages -
# i.e. no need to query again.
if len(page_results) + startv < self._pagesize:
break
# If we got the whole page, but the next page is not interesting,
# break out early as well
if end == nextfirstid:
break
return res
class InAdvancePagedList(PagedList):
def __init__(self, pagefunc, pagecount, pagesize):
self._pagefunc = pagefunc
self._pagecount = pagecount
self._pagesize = pagesize
def getslice(self, start=0, end=None):
res = []
start_page = start // self._pagesize
end_page = (
self._pagecount if end is None else (end // self._pagesize + 1))
skip_elems = start - start_page * self._pagesize
only_more = None if end is None else end - start
for pagenum in range(start_page, end_page):
page = list(self._pagefunc(pagenum))
if skip_elems:
page = page[skip_elems:]
skip_elems = None
if only_more is not None:
if len(page) < only_more:
only_more -= len(page)
else:
page = page[:only_more]
res.extend(page)
break
res.extend(page)
return res
def uppercase_escape(s):
unicode_escape = codecs.getdecoder('unicode_escape')
return re.sub(
r'\\U[0-9a-fA-F]{8}',
lambda m: unicode_escape(m.group(0))[0],
s)
def lowercase_escape(s):
unicode_escape = codecs.getdecoder('unicode_escape')
return re.sub(
r'\\u[0-9a-fA-F]{4}',
lambda m: unicode_escape(m.group(0))[0],
s)
def escape_rfc3986(s):
"""Escape non-ASCII characters as suggested by RFC 3986"""
if sys.version_info < (3, 0) and isinstance(s, compat_str):
s = s.encode('utf-8')
return compat_urllib_parse.quote(s, b"%/;:@&=+$,!~*'()?#[]")
def escape_url(url):
"""Escape URL as suggested by RFC 3986"""
url_parsed = compat_urllib_parse_urlparse(url)
return url_parsed._replace(
path=escape_rfc3986(url_parsed.path),
params=escape_rfc3986(url_parsed.params),
query=escape_rfc3986(url_parsed.query),
fragment=escape_rfc3986(url_parsed.fragment)
).geturl()
try:
struct.pack('!I', 0)
except TypeError:
# In Python 2.6 (and some 2.7 versions), struct requires a bytes argument
def struct_pack(spec, *args):
if isinstance(spec, compat_str):
spec = spec.encode('ascii')
return struct.pack(spec, *args)
def struct_unpack(spec, *args):
if isinstance(spec, compat_str):
spec = spec.encode('ascii')
return struct.unpack(spec, *args)
else:
struct_pack = struct.pack
struct_unpack = struct.unpack
def read_batch_urls(batch_fd):
def fixup(url):
if not isinstance(url, compat_str):
url = url.decode('utf-8', 'replace')
BOM_UTF8 = '\xef\xbb\xbf'
if url.startswith(BOM_UTF8):
url = url[len(BOM_UTF8):]
url = url.strip()
if url.startswith(('#', ';', ']')):
return False
return url
with contextlib.closing(batch_fd) as fd:
return [url for url in map(fixup, fd) if url]
def urlencode_postdata(*args, **kargs):
return compat_urllib_parse.urlencode(*args, **kargs).encode('ascii')
def encode_dict(d, encoding='utf-8'):
def encode(v):
return v.encode(encoding) if isinstance(v, compat_basestring) else v
return dict((encode(k), encode(v)) for k, v in d.items())
def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
return string if isinstance(string, compat_str) else compat_str(string, encoding, errors)
US_RATINGS = {
'G': 0,
'PG': 10,
'PG-13': 13,
'R': 16,
'NC': 18,
}
def parse_age_limit(s):
if s is None:
return None
m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
return int(m.group('age')) if m else US_RATINGS.get(s, None)
def strip_jsonp(code):
return re.sub(
r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?(?://[^\n]*)*$', r'\1', code)
def js_to_json(code):
def fix_kv(m):
v = m.group(0)
if v in ('true', 'false', 'null'):
return v
if v.startswith('"'):
v = re.sub(r"\\'", "'", v[1:-1])
elif v.startswith("'"):
v = v[1:-1]
v = re.sub(r"\\\\|\\'|\"", lambda m: {
'\\\\': '\\\\',
"\\'": "'",
'"': '\\"',
}[m.group(0)], v)
return '"%s"' % v
res = re.sub(r'''(?x)
"(?:[^"\\]*(?:\\\\|\\['"nu]))*[^"\\]*"|
'(?:[^'\\]*(?:\\\\|\\['"nu]))*[^'\\]*'|
[a-zA-Z_][.a-zA-Z_0-9]*
''', fix_kv, code)
res = re.sub(r',(\s*[\]}])', lambda m: m.group(1), res)
return res
def qualities(quality_ids):
""" Get a numeric quality value out of a list of possible values """
def q(qid):
try:
return quality_ids.index(qid)
except ValueError:
return -1
return q
DEFAULT_OUTTMPL = '%(title)s-%(id)s.%(ext)s'
def limit_length(s, length):
""" Add ellipses to overly long strings """
if s is None:
return None
ELLIPSES = '...'
if len(s) > length:
return s[:length - len(ELLIPSES)] + ELLIPSES
return s
def version_tuple(v):
return tuple(int(e) for e in re.split(r'[-.]', v))
def is_outdated_version(version, limit, assume_new=True):
if not version:
return not assume_new
try:
return version_tuple(version) < version_tuple(limit)
except ValueError:
return not assume_new
def ytdl_is_updateable():
""" Returns if youtube-dl can be updated with -U """
from zipimport import zipimporter
return isinstance(globals().get('__loader__'), zipimporter) or hasattr(sys, 'frozen')
def args_to_str(args):
# Get a short string representation for a subprocess command
return ' '.join(shlex_quote(a) for a in args)
def error_to_compat_str(err):
err_str = str(err)
# On python 2 error byte string must be decoded with proper
# encoding rather than ascii
if sys.version_info[0] < 3:
err_str = err_str.decode(preferredencoding())
return err_str
def mimetype2ext(mt):
_, _, res = mt.rpartition('/')
return {
'3gpp': '3gp',
'ttml+xml': 'ttml',
'x-flv': 'flv',
'x-mp4-fragmented': 'mp4',
'x-ms-wmv': 'wmv',
}.get(res, res)
def urlhandle_detect_ext(url_handle):
try:
url_handle.headers
getheader = lambda h: url_handle.headers[h]
except AttributeError: # Python < 3
getheader = url_handle.info().getheader
cd = getheader('Content-Disposition')
if cd:
m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd)
if m:
e = determine_ext(m.group('filename'), default_ext=None)
if e:
return e
return mimetype2ext(getheader('Content-Type'))
def encode_data_uri(data, mime_type):
return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii'))
def age_restricted(content_limit, age_limit):
""" Returns True iff the content should be blocked """
if age_limit is None: # No limit set
return False
if content_limit is None:
return False # Content available for everyone
return age_limit < content_limit
def is_html(first_bytes):
""" Detect whether a file contains HTML by examining its first bytes. """
BOMS = [
(b'\xef\xbb\xbf', 'utf-8'),
(b'\x00\x00\xfe\xff', 'utf-32-be'),
(b'\xff\xfe\x00\x00', 'utf-32-le'),
(b'\xff\xfe', 'utf-16-le'),
(b'\xfe\xff', 'utf-16-be'),
]
for bom, enc in BOMS:
if first_bytes.startswith(bom):
s = first_bytes[len(bom):].decode(enc, 'replace')
break
else:
s = first_bytes.decode('utf-8', 'replace')
return re.match(r'^\s*<', s)
def determine_protocol(info_dict):
protocol = info_dict.get('protocol')
if protocol is not None:
return protocol
url = info_dict['url']
if url.startswith('rtmp'):
return 'rtmp'
elif url.startswith('mms'):
return 'mms'
elif url.startswith('rtsp'):
return 'rtsp'
ext = determine_ext(url)
if ext == 'm3u8':
return 'm3u8'
elif ext == 'f4m':
return 'f4m'
return compat_urllib_parse_urlparse(url).scheme
def render_table(header_row, data):
""" Render a list of rows, each as a list of values """
table = [header_row] + data
max_lens = [max(len(compat_str(v)) for v in col) for col in zip(*table)]
format_str = ' '.join('%-' + compat_str(ml + 1) + 's' for ml in max_lens[:-1]) + '%s'
return '\n'.join(format_str % tuple(row) for row in table)
def _match_one(filter_part, dct):
COMPARISON_OPERATORS = {
'<': operator.lt,
'<=': operator.le,
'>': operator.gt,
'>=': operator.ge,
'=': operator.eq,
'!=': operator.ne,
}
operator_rex = re.compile(r'''(?x)\s*
(?P<key>[a-z_]+)
\s*(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
(?:
(?P<intval>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)|
(?P<strval>(?![0-9.])[a-z0-9A-Z]*)
)
\s*$
''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys())))
m = operator_rex.search(filter_part)
if m:
op = COMPARISON_OPERATORS[m.group('op')]
if m.group('strval') is not None:
if m.group('op') not in ('=', '!='):
raise ValueError(
'Operator %s does not support string values!' % m.group('op'))
comparison_value = m.group('strval')
else:
try:
comparison_value = int(m.group('intval'))
except ValueError:
comparison_value = parse_filesize(m.group('intval'))
if comparison_value is None:
comparison_value = parse_filesize(m.group('intval') + 'B')
if comparison_value is None:
raise ValueError(
'Invalid integer value %r in filter part %r' % (
m.group('intval'), filter_part))
actual_value = dct.get(m.group('key'))
if actual_value is None:
return m.group('none_inclusive')
return op(actual_value, comparison_value)
UNARY_OPERATORS = {
'': lambda v: v is not None,
'!': lambda v: v is None,
}
operator_rex = re.compile(r'''(?x)\s*
(?P<op>%s)\s*(?P<key>[a-z_]+)
\s*$
''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys())))
m = operator_rex.search(filter_part)
if m:
op = UNARY_OPERATORS[m.group('op')]
actual_value = dct.get(m.group('key'))
return op(actual_value)
raise ValueError('Invalid filter part %r' % filter_part)
def match_str(filter_str, dct):
""" Filter a dictionary with a simple string syntax. Returns True (=passes filter) or false """
return all(
_match_one(filter_part, dct) for filter_part in filter_str.split('&'))
def match_filter_func(filter_str):
def _match_func(info_dict):
if match_str(filter_str, info_dict):
return None
else:
video_title = info_dict.get('title', info_dict.get('id', 'video'))
return '%s does not pass filter %s, skipping ..' % (video_title, filter_str)
return _match_func
def parse_dfxp_time_expr(time_expr):
if not time_expr:
return
mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr)
if mobj:
return float(mobj.group('time_offset'))
mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:(?:\.|:)\d+)?)$', time_expr)
if mobj:
return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3).replace(':', '.'))
def srt_subtitles_timecode(seconds):
return '%02d:%02d:%02d,%03d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 1000)
def dfxp2srt(dfxp_data):
_x = functools.partial(xpath_with_ns, ns_map={
'ttml': 'http://www.w3.org/ns/ttml',
'ttaf1': 'http://www.w3.org/2006/10/ttaf1',
})
def parse_node(node):
str_or_empty = functools.partial(str_or_none, default='')
out = str_or_empty(node.text)
for child in node:
if child.tag in (_x('ttml:br'), _x('ttaf1:br'), 'br'):
out += '\n' + str_or_empty(child.tail)
elif child.tag in (_x('ttml:span'), _x('ttaf1:span'), 'span'):
out += str_or_empty(parse_node(child))
else:
out += str_or_empty(xml.etree.ElementTree.tostring(child))
return out
dfxp = compat_etree_fromstring(dfxp_data.encode('utf-8'))
out = []
paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall(_x('.//ttaf1:p')) or dfxp.findall('.//p')
if not paras:
raise ValueError('Invalid dfxp/TTML subtitle')
for para, index in zip(paras, itertools.count(1)):
begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
end_time = parse_dfxp_time_expr(para.attrib.get('end'))
dur = parse_dfxp_time_expr(para.attrib.get('dur'))
if begin_time is None:
continue
if not end_time:
if not dur:
continue
end_time = begin_time + dur
out.append('%d\n%s --> %s\n%s\n\n' % (
index,
srt_subtitles_timecode(begin_time),
srt_subtitles_timecode(end_time),
parse_node(para)))
return ''.join(out)
def cli_option(params, command_option, param):
param = params.get(param)
return [command_option, param] if param is not None else []
def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None):
param = params.get(param)
assert isinstance(param, bool)
if separator:
return [command_option + separator + (true_value if param else false_value)]
return [command_option, true_value if param else false_value]
def cli_valueless_option(params, command_option, param, expected_value=True):
param = params.get(param)
return [command_option] if param == expected_value else []
def cli_configuration_args(params, param, default=[]):
ex_args = params.get(param)
if ex_args is None:
return default
assert isinstance(ex_args, list)
return ex_args
class ISO639Utils(object):
# See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt
_lang_map = {
'aa': 'aar',
'ab': 'abk',
'ae': 'ave',
'af': 'afr',
'ak': 'aka',
'am': 'amh',
'an': 'arg',
'ar': 'ara',
'as': 'asm',
'av': 'ava',
'ay': 'aym',
'az': 'aze',
'ba': 'bak',
'be': 'bel',
'bg': 'bul',
'bh': 'bih',
'bi': 'bis',
'bm': 'bam',
'bn': 'ben',
'bo': 'bod',
'br': 'bre',
'bs': 'bos',
'ca': 'cat',
'ce': 'che',
'ch': 'cha',
'co': 'cos',
'cr': 'cre',
'cs': 'ces',
'cu': 'chu',
'cv': 'chv',
'cy': 'cym',
'da': 'dan',
'de': 'deu',
'dv': 'div',
'dz': 'dzo',
'ee': 'ewe',
'el': 'ell',
'en': 'eng',
'eo': 'epo',
'es': 'spa',
'et': 'est',
'eu': 'eus',
'fa': 'fas',
'ff': 'ful',
'fi': 'fin',
'fj': 'fij',
'fo': 'fao',
'fr': 'fra',
'fy': 'fry',
'ga': 'gle',
'gd': 'gla',
'gl': 'glg',
'gn': 'grn',
'gu': 'guj',
'gv': 'glv',
'ha': 'hau',
'he': 'heb',
'hi': 'hin',
'ho': 'hmo',
'hr': 'hrv',
'ht': 'hat',
'hu': 'hun',
'hy': 'hye',
'hz': 'her',
'ia': 'ina',
'id': 'ind',
'ie': 'ile',
'ig': 'ibo',
'ii': 'iii',
'ik': 'ipk',
'io': 'ido',
'is': 'isl',
'it': 'ita',
'iu': 'iku',
'ja': 'jpn',
'jv': 'jav',
'ka': 'kat',
'kg': 'kon',
'ki': 'kik',
'kj': 'kua',
'kk': 'kaz',
'kl': 'kal',
'km': 'khm',
'kn': 'kan',
'ko': 'kor',
'kr': 'kau',
'ks': 'kas',
'ku': 'kur',
'kv': 'kom',
'kw': 'cor',
'ky': 'kir',
'la': 'lat',
'lb': 'ltz',
'lg': 'lug',
'li': 'lim',
'ln': 'lin',
'lo': 'lao',
'lt': 'lit',
'lu': 'lub',
'lv': 'lav',
'mg': 'mlg',
'mh': 'mah',
'mi': 'mri',
'mk': 'mkd',
'ml': 'mal',
'mn': 'mon',
'mr': 'mar',
'ms': 'msa',
'mt': 'mlt',
'my': 'mya',
'na': 'nau',
'nb': 'nob',
'nd': 'nde',
'ne': 'nep',
'ng': 'ndo',
'nl': 'nld',
'nn': 'nno',
'no': 'nor',
'nr': 'nbl',
'nv': 'nav',
'ny': 'nya',
'oc': 'oci',
'oj': 'oji',
'om': 'orm',
'or': 'ori',
'os': 'oss',
'pa': 'pan',
'pi': 'pli',
'pl': 'pol',
'ps': 'pus',
'pt': 'por',
'qu': 'que',
'rm': 'roh',
'rn': 'run',
'ro': 'ron',
'ru': 'rus',
'rw': 'kin',
'sa': 'san',
'sc': 'srd',
'sd': 'snd',
'se': 'sme',
'sg': 'sag',
'si': 'sin',
'sk': 'slk',
'sl': 'slv',
'sm': 'smo',
'sn': 'sna',
'so': 'som',
'sq': 'sqi',
'sr': 'srp',
'ss': 'ssw',
'st': 'sot',
'su': 'sun',
'sv': 'swe',
'sw': 'swa',
'ta': 'tam',
'te': 'tel',
'tg': 'tgk',
'th': 'tha',
'ti': 'tir',
'tk': 'tuk',
'tl': 'tgl',
'tn': 'tsn',
'to': 'ton',
'tr': 'tur',
'ts': 'tso',
'tt': 'tat',
'tw': 'twi',
'ty': 'tah',
'ug': 'uig',
'uk': 'ukr',
'ur': 'urd',
'uz': 'uzb',
've': 'ven',
'vi': 'vie',
'vo': 'vol',
'wa': 'wln',
'wo': 'wol',
'xh': 'xho',
'yi': 'yid',
'yo': 'yor',
'za': 'zha',
'zh': 'zho',
'zu': 'zul',
}
@classmethod
def short2long(cls, code):
"""Convert language code from ISO 639-1 to ISO 639-2/T"""
return cls._lang_map.get(code[:2])
@classmethod
def long2short(cls, code):
"""Convert language code from ISO 639-2/T to ISO 639-1"""
for short_name, long_name in cls._lang_map.items():
if long_name == code:
return short_name
class ISO3166Utils(object):
# From http://data.okfn.org/data/core/country-list
_country_map = {
'AF': 'Afghanistan',
'AX': 'Åland Islands',
'AL': 'Albania',
'DZ': 'Algeria',
'AS': 'American Samoa',
'AD': 'Andorra',
'AO': 'Angola',
'AI': 'Anguilla',
'AQ': 'Antarctica',
'AG': 'Antigua and Barbuda',
'AR': 'Argentina',
'AM': 'Armenia',
'AW': 'Aruba',
'AU': 'Australia',
'AT': 'Austria',
'AZ': 'Azerbaijan',
'BS': 'Bahamas',
'BH': 'Bahrain',
'BD': 'Bangladesh',
'BB': 'Barbados',
'BY': 'Belarus',
'BE': 'Belgium',
'BZ': 'Belize',
'BJ': 'Benin',
'BM': 'Bermuda',
'BT': 'Bhutan',
'BO': 'Bolivia, Plurinational State of',
'BQ': 'Bonaire, Sint Eustatius and Saba',
'BA': 'Bosnia and Herzegovina',
'BW': 'Botswana',
'BV': 'Bouvet Island',
'BR': 'Brazil',
'IO': 'British Indian Ocean Territory',
'BN': 'Brunei Darussalam',
'BG': 'Bulgaria',
'BF': 'Burkina Faso',
'BI': 'Burundi',
'KH': 'Cambodia',
'CM': 'Cameroon',
'CA': 'Canada',
'CV': 'Cape Verde',
'KY': 'Cayman Islands',
'CF': 'Central African Republic',
'TD': 'Chad',
'CL': 'Chile',
'CN': 'China',
'CX': 'Christmas Island',
'CC': 'Cocos (Keeling) Islands',
'CO': 'Colombia',
'KM': 'Comoros',
'CG': 'Congo',
'CD': 'Congo, the Democratic Republic of the',
'CK': 'Cook Islands',
'CR': 'Costa Rica',
'CI': 'Côte d\'Ivoire',
'HR': 'Croatia',
'CU': 'Cuba',
'CW': 'Curaçao',
'CY': 'Cyprus',
'CZ': 'Czech Republic',
'DK': 'Denmark',
'DJ': 'Djibouti',
'DM': 'Dominica',
'DO': 'Dominican Republic',
'EC': 'Ecuador',
'EG': 'Egypt',
'SV': 'El Salvador',
'GQ': 'Equatorial Guinea',
'ER': 'Eritrea',
'EE': 'Estonia',
'ET': 'Ethiopia',
'FK': 'Falkland Islands (Malvinas)',
'FO': 'Faroe Islands',
'FJ': 'Fiji',
'FI': 'Finland',
'FR': 'France',
'GF': 'French Guiana',
'PF': 'French Polynesia',
'TF': 'French Southern Territories',
'GA': 'Gabon',
'GM': 'Gambia',
'GE': 'Georgia',
'DE': 'Germany',
'GH': 'Ghana',
'GI': 'Gibraltar',
'GR': 'Greece',
'GL': 'Greenland',
'GD': 'Grenada',
'GP': 'Guadeloupe',
'GU': 'Guam',
'GT': 'Guatemala',
'GG': 'Guernsey',
'GN': 'Guinea',
'GW': 'Guinea-Bissau',
'GY': 'Guyana',
'HT': 'Haiti',
'HM': 'Heard Island and McDonald Islands',
'VA': 'Holy See (Vatican City State)',
'HN': 'Honduras',
'HK': 'Hong Kong',
'HU': 'Hungary',
'IS': 'Iceland',
'IN': 'India',
'ID': 'Indonesia',
'IR': 'Iran, Islamic Republic of',
'IQ': 'Iraq',
'IE': 'Ireland',
'IM': 'Isle of Man',
'IL': 'Israel',
'IT': 'Italy',
'JM': 'Jamaica',
'JP': 'Japan',
'JE': 'Jersey',
'JO': 'Jordan',
'KZ': 'Kazakhstan',
'KE': 'Kenya',
'KI': 'Kiribati',
'KP': 'Korea, Democratic People\'s Republic of',
'KR': 'Korea, Republic of',
'KW': 'Kuwait',
'KG': 'Kyrgyzstan',
'LA': 'Lao People\'s Democratic Republic',
'LV': 'Latvia',
'LB': 'Lebanon',
'LS': 'Lesotho',
'LR': 'Liberia',
'LY': 'Libya',
'LI': 'Liechtenstein',
'LT': 'Lithuania',
'LU': 'Luxembourg',
'MO': 'Macao',
'MK': 'Macedonia, the Former Yugoslav Republic of',
'MG': 'Madagascar',
'MW': 'Malawi',
'MY': 'Malaysia',
'MV': 'Maldives',
'ML': 'Mali',
'MT': 'Malta',
'MH': 'Marshall Islands',
'MQ': 'Martinique',
'MR': 'Mauritania',
'MU': 'Mauritius',
'YT': 'Mayotte',
'MX': 'Mexico',
'FM': 'Micronesia, Federated States of',
'MD': 'Moldova, Republic of',
'MC': 'Monaco',
'MN': 'Mongolia',
'ME': 'Montenegro',
'MS': 'Montserrat',
'MA': 'Morocco',
'MZ': 'Mozambique',
'MM': 'Myanmar',
'NA': 'Namibia',
'NR': 'Nauru',
'NP': 'Nepal',
'NL': 'Netherlands',
'NC': 'New Caledonia',
'NZ': 'New Zealand',
'NI': 'Nicaragua',
'NE': 'Niger',
'NG': 'Nigeria',
'NU': 'Niue',
'NF': 'Norfolk Island',
'MP': 'Northern Mariana Islands',
'NO': 'Norway',
'OM': 'Oman',
'PK': 'Pakistan',
'PW': 'Palau',
'PS': 'Palestine, State of',
'PA': 'Panama',
'PG': 'Papua New Guinea',
'PY': 'Paraguay',
'PE': 'Peru',
'PH': 'Philippines',
'PN': 'Pitcairn',
'PL': 'Poland',
'PT': 'Portugal',
'PR': 'Puerto Rico',
'QA': 'Qatar',
'RE': 'Réunion',
'RO': 'Romania',
'RU': 'Russian Federation',
'RW': 'Rwanda',
'BL': 'Saint Barthélemy',
'SH': 'Saint Helena, Ascension and Tristan da Cunha',
'KN': 'Saint Kitts and Nevis',
'LC': 'Saint Lucia',
'MF': 'Saint Martin (French part)',
'PM': 'Saint Pierre and Miquelon',
'VC': 'Saint Vincent and the Grenadines',
'WS': 'Samoa',
'SM': 'San Marino',
'ST': 'Sao Tome and Principe',
'SA': 'Saudi Arabia',
'SN': 'Senegal',
'RS': 'Serbia',
'SC': 'Seychelles',
'SL': 'Sierra Leone',
'SG': 'Singapore',
'SX': 'Sint Maarten (Dutch part)',
'SK': 'Slovakia',
'SI': 'Slovenia',
'SB': 'Solomon Islands',
'SO': 'Somalia',
'ZA': 'South Africa',
'GS': 'South Georgia and the South Sandwich Islands',
'SS': 'South Sudan',
'ES': 'Spain',
'LK': 'Sri Lanka',
'SD': 'Sudan',
'SR': 'Suriname',
'SJ': 'Svalbard and Jan Mayen',
'SZ': 'Swaziland',
'SE': 'Sweden',
'CH': 'Switzerland',
'SY': 'Syrian Arab Republic',
'TW': 'Taiwan, Province of China',
'TJ': 'Tajikistan',
'TZ': 'Tanzania, United Republic of',
'TH': 'Thailand',
'TL': 'Timor-Leste',
'TG': 'Togo',
'TK': 'Tokelau',
'TO': 'Tonga',
'TT': 'Trinidad and Tobago',
'TN': 'Tunisia',
'TR': 'Turkey',
'TM': 'Turkmenistan',
'TC': 'Turks and Caicos Islands',
'TV': 'Tuvalu',
'UG': 'Uganda',
'UA': 'Ukraine',
'AE': 'United Arab Emirates',
'GB': 'United Kingdom',
'US': 'United States',
'UM': 'United States Minor Outlying Islands',
'UY': 'Uruguay',
'UZ': 'Uzbekistan',
'VU': 'Vanuatu',
'VE': 'Venezuela, Bolivarian Republic of',
'VN': 'Viet Nam',
'VG': 'Virgin Islands, British',
'VI': 'Virgin Islands, U.S.',
'WF': 'Wallis and Futuna',
'EH': 'Western Sahara',
'YE': 'Yemen',
'ZM': 'Zambia',
'ZW': 'Zimbabwe',
}
@classmethod
def short2full(cls, code):
"""Convert an ISO 3166-2 country code to the corresponding full name"""
return cls._country_map.get(code.upper())
class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
def __init__(self, proxies=None):
# Set default handlers
for type in ('http', 'https'):
setattr(self, '%s_open' % type,
lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open:
meth(r, proxy, type))
return compat_urllib_request.ProxyHandler.__init__(self, proxies)
def proxy_open(self, req, proxy, type):
req_proxy = req.headers.get('Ytdl-request-proxy')
if req_proxy is not None:
proxy = req_proxy
del req.headers['Ytdl-request-proxy']
if proxy == '__noproxy__':
return None # No Proxy
return compat_urllib_request.ProxyHandler.proxy_open(
self, req, proxy, type)
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