mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-01 23:12:40 +00:00
9f3fa89f7c
It doesn't work well with 'bestvideo' and 'bestaudio' because they are usually before the max quality. Format filters should be used instead, they are more flexible and don't require the requested quality to exist for each video.
1812 lines
55 KiB
Python
1812 lines
55 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import calendar
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import codecs
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import contextlib
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import ctypes
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import datetime
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import email.utils
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import errno
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import functools
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import gzip
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import itertools
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import io
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import json
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import locale
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import math
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import operator
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import os
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import pipes
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import platform
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import re
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import ssl
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import socket
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import struct
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import subprocess
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import sys
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import tempfile
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import traceback
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import xml.etree.ElementTree
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import zlib
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from .compat import (
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compat_basestring,
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compat_chr,
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compat_html_entities,
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compat_http_client,
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compat_parse_qs,
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compat_socket_create_connection,
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compat_str,
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compat_urllib_error,
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compat_urllib_parse,
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compat_urllib_parse_urlparse,
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compat_urllib_request,
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compat_urlparse,
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shlex_quote,
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)
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# This is not clearly defined otherwise
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compiled_regex_type = type(re.compile(''))
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std_headers = {
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)',
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'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'Accept-Encoding': 'gzip, deflate',
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'Accept-Language': 'en-us,en;q=0.5',
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}
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ENGLISH_MONTH_NAMES = [
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December']
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def preferredencoding():
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"""Get preferred encoding.
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Returns the best encoding scheme for the system, based on
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locale.getpreferredencoding() and some further tweaks.
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"""
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try:
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pref = locale.getpreferredencoding()
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'TEST'.encode(pref)
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except Exception:
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pref = 'UTF-8'
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return pref
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def write_json_file(obj, fn):
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""" Encode obj as JSON and write it to fn, atomically if possible """
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fn = encodeFilename(fn)
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if sys.version_info < (3, 0) and sys.platform != 'win32':
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encoding = get_filesystem_encoding()
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# os.path.basename returns a bytes object, but NamedTemporaryFile
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# will fail if the filename contains non ascii characters unless we
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# use a unicode object
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path_basename = lambda f: os.path.basename(fn).decode(encoding)
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# the same for os.path.dirname
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path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
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else:
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path_basename = os.path.basename
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path_dirname = os.path.dirname
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args = {
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'suffix': '.tmp',
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'prefix': path_basename(fn) + '.',
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'dir': path_dirname(fn),
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'delete': False,
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}
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# In Python 2.x, json.dump expects a bytestream.
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# In Python 3.x, it writes to a character stream
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if sys.version_info < (3, 0):
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args['mode'] = 'wb'
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else:
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args.update({
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'mode': 'w',
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'encoding': 'utf-8',
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})
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tf = tempfile.NamedTemporaryFile(**args)
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try:
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with tf:
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json.dump(obj, tf)
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if sys.platform == 'win32':
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# Need to remove existing file on Windows, else os.rename raises
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# WindowsError or FileExistsError.
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try:
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os.unlink(fn)
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except OSError:
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pass
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os.rename(tf.name, fn)
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except Exception:
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try:
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os.remove(tf.name)
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except OSError:
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pass
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raise
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if sys.version_info >= (2, 7):
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def find_xpath_attr(node, xpath, key, val):
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""" Find the xpath xpath[@key=val] """
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assert re.match(r'^[a-zA-Z-]+$', key)
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assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
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expr = xpath + "[@%s='%s']" % (key, val)
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return node.find(expr)
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else:
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def find_xpath_attr(node, xpath, key, val):
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# Here comes the crazy part: In 2.6, if the xpath is a unicode,
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# .//node does not match if a node is a direct child of . !
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if isinstance(xpath, compat_str):
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xpath = xpath.encode('ascii')
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for f in node.findall(xpath):
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if f.attrib.get(key) == val:
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return f
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return None
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# On python2.6 the xml.etree.ElementTree.Element methods don't support
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# the namespace parameter
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def xpath_with_ns(path, ns_map):
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components = [c.split(':') for c in path.split('/')]
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replaced = []
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for c in components:
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if len(c) == 1:
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replaced.append(c[0])
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else:
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ns, tag = c
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replaced.append('{%s}%s' % (ns_map[ns], tag))
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return '/'.join(replaced)
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def xpath_text(node, xpath, name=None, fatal=False):
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if sys.version_info < (2, 7): # Crazy 2.6
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xpath = xpath.encode('ascii')
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n = node.find(xpath)
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if n is None or n.text is None:
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if fatal:
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name = xpath if name is None else name
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raise ExtractorError('Could not find XML element %s' % name)
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else:
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return None
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return n.text
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def get_element_by_id(id, html):
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"""Return the content of the tag with the specified ID in the passed HTML document"""
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return get_element_by_attribute("id", id, html)
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def get_element_by_attribute(attribute, value, html):
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"""Return the content of the tag with the specified attribute in the passed HTML document"""
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m = re.search(r'''(?xs)
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<([a-zA-Z0-9:._-]+)
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(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
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\s+%s=['"]?%s['"]?
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(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
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\s*>
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(?P<content>.*?)
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</\1>
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''' % (re.escape(attribute), re.escape(value)), html)
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if not m:
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return None
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res = m.group('content')
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if res.startswith('"') or res.startswith("'"):
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res = res[1:-1]
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return unescapeHTML(res)
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def clean_html(html):
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"""Clean an HTML snippet into a readable string"""
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if html is None: # Convenience for sanitizing descriptions etc.
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return html
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# Newline vs <br />
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html = html.replace('\n', ' ')
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html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html)
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html = re.sub(r'<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
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# Strip html tags
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html = re.sub('<.*?>', '', html)
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# Replace html entities
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html = unescapeHTML(html)
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return html.strip()
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def sanitize_open(filename, open_mode):
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"""Try to open the given filename, and slightly tweak it if this fails.
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Attempts to open the given filename. If this fails, it tries to change
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the filename slightly, step by step, until it's either able to open it
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or it fails and raises a final exception, like the standard open()
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function.
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It returns the tuple (stream, definitive_file_name).
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"""
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try:
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if filename == '-':
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if sys.platform == 'win32':
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import msvcrt
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msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
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stream = open(encodeFilename(filename), open_mode)
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return (stream, filename)
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except (IOError, OSError) as err:
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if err.errno in (errno.EACCES,):
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raise
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# In case of error, try to remove win32 forbidden chars
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alt_filename = sanitize_path(filename)
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if alt_filename == filename:
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raise
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else:
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# An exception here should be caught in the caller
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stream = open(encodeFilename(alt_filename), open_mode)
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return (stream, alt_filename)
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def timeconvert(timestr):
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"""Convert RFC 2822 defined time string into system timestamp"""
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timestamp = None
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timetuple = email.utils.parsedate_tz(timestr)
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if timetuple is not None:
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timestamp = email.utils.mktime_tz(timetuple)
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return timestamp
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def sanitize_filename(s, restricted=False, is_id=False):
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"""Sanitizes a string so it could be used as part of a filename.
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If restricted is set, use a stricter subset of allowed characters.
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Set is_id if this is not an arbitrary string, but an ID that should be kept if possible
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"""
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def replace_insane(char):
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if char == '?' or ord(char) < 32 or ord(char) == 127:
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return ''
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elif char == '"':
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return '' if restricted else '\''
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elif char == ':':
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return '_-' if restricted else ' -'
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elif char in '\\/|*<>':
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return '_'
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if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
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return '_'
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if restricted and ord(char) > 127:
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return '_'
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return char
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# Handle timestamps
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s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
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result = ''.join(map(replace_insane, s))
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if not is_id:
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while '__' in result:
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result = result.replace('__', '_')
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result = result.strip('_')
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# Common case of "Foreign band name - English song title"
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if restricted and result.startswith('-_'):
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result = result[2:]
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if result.startswith('-'):
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result = '_' + result[len('-'):]
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result = result.lstrip('.')
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if not result:
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result = '_'
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return result
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def sanitize_path(s):
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"""Sanitizes and normalizes path on Windows"""
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if sys.platform != 'win32':
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return s
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drive_or_unc, _ = os.path.splitdrive(s)
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if sys.version_info < (2, 7) and not drive_or_unc:
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drive_or_unc, _ = os.path.splitunc(s)
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norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep)
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if drive_or_unc:
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norm_path.pop(0)
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sanitized_path = [
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path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|\.$)', '#', path_part)
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for path_part in norm_path]
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if drive_or_unc:
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sanitized_path.insert(0, drive_or_unc + os.path.sep)
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return os.path.join(*sanitized_path)
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def sanitize_url_path_consecutive_slashes(url):
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"""Collapses consecutive slashes in URLs' path"""
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parsed_url = list(compat_urlparse.urlparse(url))
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parsed_url[2] = re.sub(r'/{2,}', '/', parsed_url[2])
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return compat_urlparse.urlunparse(parsed_url)
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def orderedSet(iterable):
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""" Remove all duplicates from the input iterable """
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res = []
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for el in iterable:
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if el not in res:
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res.append(el)
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return res
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def _htmlentity_transform(entity):
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"""Transforms an HTML entity to a character."""
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# Known non-numeric HTML entity
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if entity in compat_html_entities.name2codepoint:
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return compat_chr(compat_html_entities.name2codepoint[entity])
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mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity)
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if mobj is not None:
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numstr = mobj.group(1)
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if numstr.startswith('x'):
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base = 16
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numstr = '0%s' % numstr
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else:
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base = 10
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return compat_chr(int(numstr, base))
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# Unknown entity in name, return its literal representation
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return ('&%s;' % entity)
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def unescapeHTML(s):
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if s is None:
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return None
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assert type(s) == compat_str
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return re.sub(
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r'&([^;]+);', lambda m: _htmlentity_transform(m.group(1)), s)
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def encodeFilename(s, for_subprocess=False):
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"""
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@param s The name of the file
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"""
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assert type(s) == compat_str
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# Python 3 has a Unicode API
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if sys.version_info >= (3, 0):
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return s
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if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
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# Pass '' directly to use Unicode APIs on Windows 2000 and up
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# (Detecting Windows NT 4 is tricky because 'major >= 4' would
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# match Windows 9x series as well. Besides, NT 4 is obsolete.)
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if not for_subprocess:
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return s
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else:
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# For subprocess calls, encode with locale encoding
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# Refer to http://stackoverflow.com/a/9951851/35070
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encoding = preferredencoding()
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else:
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encoding = sys.getfilesystemencoding()
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if encoding is None:
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encoding = 'utf-8'
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return s.encode(encoding, 'ignore')
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def encodeArgument(s):
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if not isinstance(s, compat_str):
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# Legacy code that uses byte strings
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# Uncomment the following line after fixing all post processors
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# assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s))
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s = s.decode('ascii')
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return encodeFilename(s, True)
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def decodeOption(optval):
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if optval is None:
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return optval
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if isinstance(optval, bytes):
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optval = optval.decode(preferredencoding())
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assert isinstance(optval, compat_str)
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return optval
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def formatSeconds(secs):
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if secs > 3600:
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return '%d:%02d:%02d' % (secs // 3600, (secs % 3600) // 60, secs % 60)
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elif secs > 60:
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return '%d:%02d' % (secs // 60, secs % 60)
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else:
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return '%d' % secs
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|
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def make_HTTPS_handler(params, **kwargs):
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opts_no_check_certificate = params.get('nocheckcertificate', False)
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if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9
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context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
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if opts_no_check_certificate:
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context.check_hostname = False
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context.verify_mode = ssl.CERT_NONE
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try:
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return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
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except TypeError:
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# Python 2.7.8
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# (create_default_context present but HTTPSHandler has no context=)
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pass
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if sys.version_info < (3, 2):
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return YoutubeDLHTTPSHandler(params, **kwargs)
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else: # Python < 3.4
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context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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context.verify_mode = (ssl.CERT_NONE
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|
if opts_no_check_certificate
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else ssl.CERT_REQUIRED)
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context.set_default_verify_paths()
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return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
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|
|
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def bug_reports_message():
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if ytdl_is_updateable():
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update_cmd = 'type youtube-dl -U to update'
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else:
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update_cmd = 'see https://yt-dl.org/update on how to update'
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msg = '; please report this issue on https://yt-dl.org/bug .'
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msg += ' Make sure you are using the latest version; %s.' % update_cmd
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msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.'
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return msg
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|
|
|
|
class ExtractorError(Exception):
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|
"""Error during info extraction."""
|
|
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def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None):
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""" tb, if given, is the original traceback (so that it can be printed out).
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|
If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
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"""
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|
|
|
if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
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|
expected = True
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|
if video_id is not None:
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|
msg = video_id + ': ' + msg
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|
if cause:
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msg += ' (caused by %r)' % cause
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if not expected:
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msg += bug_reports_message()
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super(ExtractorError, self).__init__(msg)
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self.traceback = tb
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self.exc_info = sys.exc_info() # preserve original exception
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self.cause = cause
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self.video_id = video_id
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|
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def format_traceback(self):
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if self.traceback is None:
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return None
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return ''.join(traceback.format_tb(self.traceback))
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|
|
|
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class UnsupportedError(ExtractorError):
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def __init__(self, url):
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|
super(UnsupportedError, self).__init__(
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'Unsupported URL: %s' % url, expected=True)
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self.url = url
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|
|
|
|
class RegexNotFoundError(ExtractorError):
|
|
"""Error when a regex didn't match"""
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pass
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|
|
|
|
class DownloadError(Exception):
|
|
"""Download Error exception.
|
|
|
|
This exception may be thrown by FileDownloader objects if they are not
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configured to continue on errors. They will contain the appropriate
|
|
error message.
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|
"""
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|
|
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.
|
|
"""
|
|
# Both in bytes
|
|
downloaded = None
|
|
expected = None
|
|
|
|
def __init__(self, downloaded, expected):
|
|
self.downloaded = downloaded
|
|
self.expected = expected
|
|
|
|
|
|
def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
|
|
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
|
|
|
|
|
|
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):
|
|
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)
|
|
if 'Youtubedl-no-compression' in req.headers:
|
|
if 'Accept-encoding' in req.headers:
|
|
del req.headers['Accept-encoding']
|
|
del req.headers['Youtubedl-no-compression']
|
|
|
|
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
|
|
# 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
|
|
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)
|
|
|
|
|
|
def parse_iso8601(date_str, delimiter='T', timezone=None):
|
|
""" Return a UNIX timestamp from the given date """
|
|
|
|
if date_str is None:
|
|
return None
|
|
|
|
if timezone is None:
|
|
m = re.search(
|
|
r'(\.[0-9]+)?(?: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')))
|
|
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())
|
|
|
|
|
|
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')
|
|
return 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]+$', guess):
|
|
return guess
|
|
else:
|
|
return default_ext
|
|
|
|
|
|
def subtitles_filename(filename, sub_lang, sub_format):
|
|
return filename.rsplit('.', 1)[0] + '.' + sub_lang + '.' + sub_format
|
|
|
|
|
|
def date_from_str(date_str):
|
|
"""
|
|
Return a datetime object from a string in the format YYYYMMDD or
|
|
(now|today)[+-][0-9](day|week|month|year)(s)?"""
|
|
today = datetime.date.today()
|
|
if date_str in ('now', 'today'):
|
|
return today
|
|
if date_str == 'yesterday':
|
|
return today - datetime.timedelta(days=1)
|
|
match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str)
|
|
if match is not None:
|
|
sign = match.group('sign')
|
|
time = int(match.group('time'))
|
|
if sign == '-':
|
|
time = -time
|
|
unit = match.group('unit')
|
|
# A bad aproximation?
|
|
if unit == 'month':
|
|
unit = 'day'
|
|
time *= 30
|
|
elif unit == 'year':
|
|
unit = 'day'
|
|
time *= 365
|
|
unit += 's'
|
|
delta = datetime.timedelta(**{unit: time})
|
|
return today + delta
|
|
return datetime.datetime.strptime(date_str, "%Y%m%d").date()
|
|
|
|
|
|
def hyphenate_date(date_str):
|
|
"""
|
|
Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
|
|
match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', 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 inofficial,
|
|
# 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 '&' in XML"""
|
|
return re.sub(
|
|
r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
|
|
'&',
|
|
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 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
|
|
return default if v is None else (int(v) * invscale // scale)
|
|
|
|
|
|
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):
|
|
return default if v is None else (float(v) * invscale / scale)
|
|
|
|
|
|
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):
|
|
name, real_ext = os.path.splitext(filename)
|
|
return '{0}.{1}{2}'.format(name, ext, real_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(
|
|
[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 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')
|
|
|
|
|
|
try:
|
|
etree_iter = xml.etree.ElementTree.Element.iter
|
|
except AttributeError: # Python <=2.6
|
|
etree_iter = lambda n: n.findall('.//*')
|
|
|
|
|
|
def parse_xml(s):
|
|
class TreeBuilder(xml.etree.ElementTree.TreeBuilder):
|
|
def doctype(self, name, pubid, system):
|
|
pass # Ignore doctypes
|
|
|
|
parser = xml.etree.ElementTree.XMLParser(target=TreeBuilder())
|
|
kwargs = {'parser': parser} if sys.version_info >= (2, 7) else {}
|
|
tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
|
|
# Fix up XML parser in Python 2.x
|
|
if sys.version_info < (3, 0):
|
|
for n in etree_iter(tree):
|
|
if n.text is not None:
|
|
if not isinstance(n.text, compat_str):
|
|
n.text = n.text.decode('utf-8')
|
|
return tree
|
|
|
|
|
|
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('"'):
|
|
return v
|
|
if 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 mimetype2ext(mt):
|
|
_, _, res = mt.rpartition('/')
|
|
|
|
return {
|
|
'x-ms-wmv': 'wmv',
|
|
'x-mp4-fragmented': 'mp4',
|
|
}.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 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
|
|
|
|
|
|
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)
|