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1458 lines
46 KiB
1458 lines
46 KiB
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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|
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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 getpass |
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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 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 traceback |
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import xml.etree.ElementTree |
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import zlib |
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|
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try: |
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import urllib.request as compat_urllib_request |
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except ImportError: # Python 2 |
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import urllib2 as compat_urllib_request |
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|
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try: |
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import urllib.error as compat_urllib_error |
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except ImportError: # Python 2 |
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import urllib2 as compat_urllib_error |
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|
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try: |
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import urllib.parse as compat_urllib_parse |
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except ImportError: # Python 2 |
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import urllib as compat_urllib_parse |
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|
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try: |
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from urllib.parse import urlparse as compat_urllib_parse_urlparse |
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except ImportError: # Python 2 |
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from urlparse import urlparse as compat_urllib_parse_urlparse |
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|
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try: |
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import urllib.parse as compat_urlparse |
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except ImportError: # Python 2 |
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import urlparse as compat_urlparse |
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|
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try: |
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import http.cookiejar as compat_cookiejar |
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except ImportError: # Python 2 |
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import cookielib as compat_cookiejar |
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|
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try: |
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import html.entities as compat_html_entities |
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except ImportError: # Python 2 |
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import htmlentitydefs as compat_html_entities |
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|
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try: |
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import html.parser as compat_html_parser |
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except ImportError: # Python 2 |
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import HTMLParser as compat_html_parser |
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|
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try: |
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import http.client as compat_http_client |
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except ImportError: # Python 2 |
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import httplib as compat_http_client |
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|
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try: |
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from urllib.error import HTTPError as compat_HTTPError |
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except ImportError: # Python 2 |
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from urllib2 import HTTPError as compat_HTTPError |
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|
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try: |
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from urllib.request import urlretrieve as compat_urlretrieve |
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except ImportError: # Python 2 |
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from urllib import urlretrieve as compat_urlretrieve |
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|
|
|
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try: |
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from subprocess import DEVNULL |
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compat_subprocess_get_DEVNULL = lambda: DEVNULL |
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except ImportError: |
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compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w') |
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|
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try: |
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from urllib.parse import parse_qs as compat_parse_qs |
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except ImportError: # Python 2 |
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# HACK: The following is the correct parse_qs implementation from cpython 3's stdlib. |
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# Python 2's version is apparently totally broken |
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def _unquote(string, encoding='utf-8', errors='replace'): |
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if string == '': |
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return string |
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res = string.split('%') |
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if len(res) == 1: |
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return string |
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if encoding is None: |
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encoding = 'utf-8' |
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if errors is None: |
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errors = 'replace' |
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# pct_sequence: contiguous sequence of percent-encoded bytes, decoded |
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pct_sequence = b'' |
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string = res[0] |
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for item in res[1:]: |
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try: |
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if not item: |
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raise ValueError |
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pct_sequence += item[:2].decode('hex') |
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rest = item[2:] |
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if not rest: |
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# This segment was just a single percent-encoded character. |
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# May be part of a sequence of code units, so delay decoding. |
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# (Stored in pct_sequence). |
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continue |
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except ValueError: |
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rest = '%' + item |
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# Encountered non-percent-encoded characters. Flush the current |
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# pct_sequence. |
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string += pct_sequence.decode(encoding, errors) + rest |
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pct_sequence = b'' |
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if pct_sequence: |
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# Flush the final pct_sequence |
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string += pct_sequence.decode(encoding, errors) |
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return string |
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|
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def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False, |
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encoding='utf-8', errors='replace'): |
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qs, _coerce_result = qs, unicode |
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pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')] |
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r = [] |
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for name_value in pairs: |
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if not name_value and not strict_parsing: |
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continue |
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nv = name_value.split('=', 1) |
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if len(nv) != 2: |
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if strict_parsing: |
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raise ValueError("bad query field: %r" % (name_value,)) |
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# Handle case of a control-name with no equal sign |
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if keep_blank_values: |
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nv.append('') |
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else: |
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continue |
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if len(nv[1]) or keep_blank_values: |
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name = nv[0].replace('+', ' ') |
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name = _unquote(name, encoding=encoding, errors=errors) |
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name = _coerce_result(name) |
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value = nv[1].replace('+', ' ') |
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value = _unquote(value, encoding=encoding, errors=errors) |
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value = _coerce_result(value) |
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r.append((name, value)) |
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return r |
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|
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def compat_parse_qs(qs, keep_blank_values=False, strict_parsing=False, |
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encoding='utf-8', errors='replace'): |
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parsed_result = {} |
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pairs = _parse_qsl(qs, keep_blank_values, strict_parsing, |
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encoding=encoding, errors=errors) |
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for name, value in pairs: |
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if name in parsed_result: |
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parsed_result[name].append(value) |
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else: |
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parsed_result[name] = [value] |
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return parsed_result |
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|
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try: |
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compat_str = unicode # Python 2 |
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except NameError: |
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compat_str = str |
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|
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try: |
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compat_chr = unichr # Python 2 |
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except NameError: |
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compat_chr = chr |
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|
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try: |
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from xml.etree.ElementTree import ParseError as compat_xml_parse_error |
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except ImportError: # Python 2.6 |
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from xml.parsers.expat import ExpatError as compat_xml_parse_error |
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|
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def compat_ord(c): |
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if type(c) is int: return c |
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else: return ord(c) |
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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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|
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std_headers = { |
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20100101 Firefox/10.0 (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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|
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def preferredencoding(): |
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"""Get preferred encoding. |
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|
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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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u'TEST'.encode(pref) |
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except: |
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pref = 'UTF-8' |
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|
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return pref |
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|
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if sys.version_info < (3,0): |
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def compat_print(s): |
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print(s.encode(preferredencoding(), 'xmlcharrefreplace')) |
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else: |
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def compat_print(s): |
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assert type(s) == type(u'') |
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print(s) |
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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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def write_json_file(obj, fn): |
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with open(fn, 'wb') as f: |
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json.dump(obj, f) |
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else: |
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def write_json_file(obj, fn): |
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with open(fn, 'w', encoding='utf-8') as f: |
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json.dump(obj, f) |
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|
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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 + u"[@%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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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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|
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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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|
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def htmlentity_transform(matchobj): |
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"""Transforms an HTML entity to a character. |
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|
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This function receives a match object and is intended to be used with |
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the re.sub() function. |
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""" |
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entity = matchobj.group(1) |
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|
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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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|
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mobj = re.match(u'(?u)#(x?\\d+)', 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(u'x'): |
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base = 16 |
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numstr = u'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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|
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# Unknown entity in name, return its literal representation |
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return (u'&%s;' % entity) |
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|
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compat_html_parser.locatestarttagend = re.compile(r"""<[a-zA-Z][-.a-zA-Z0-9:_]*(?:\s+(?:(?<=['"\s])[^\s/>][^\s/=>]*(?:\s*=+\s*(?:'[^']*'|"[^"]*"|(?!['"])[^>\s]*))?\s*)*)?\s*""", re.VERBOSE) # backport bugfix |
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class BaseHTMLParser(compat_html_parser.HTMLParser): |
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def __init(self): |
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compat_html_parser.HTMLParser.__init__(self) |
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self.html = None |
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|
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def loads(self, html): |
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self.html = html |
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self.feed(html) |
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self.close() |
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|
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class AttrParser(BaseHTMLParser): |
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"""Modified HTMLParser that isolates a tag with the specified attribute""" |
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def __init__(self, attribute, value): |
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self.attribute = attribute |
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self.value = value |
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self.result = None |
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self.started = False |
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self.depth = {} |
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self.watch_startpos = False |
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self.error_count = 0 |
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BaseHTMLParser.__init__(self) |
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|
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def error(self, message): |
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if self.error_count > 10 or self.started: |
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raise compat_html_parser.HTMLParseError(message, self.getpos()) |
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self.rawdata = '\n'.join(self.html.split('\n')[self.getpos()[0]:]) # skip one line |
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self.error_count += 1 |
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self.goahead(1) |
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|
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def handle_starttag(self, tag, attrs): |
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attrs = dict(attrs) |
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if self.started: |
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self.find_startpos(None) |
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if self.attribute in attrs and attrs[self.attribute] == self.value: |
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self.result = [tag] |
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self.started = True |
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self.watch_startpos = True |
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if self.started: |
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if not tag in self.depth: self.depth[tag] = 0 |
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self.depth[tag] += 1 |
|
|
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def handle_endtag(self, tag): |
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if self.started: |
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if tag in self.depth: self.depth[tag] -= 1 |
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if self.depth[self.result[0]] == 0: |
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self.started = False |
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self.result.append(self.getpos()) |
|
|
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def find_startpos(self, x): |
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"""Needed to put the start position of the result (self.result[1]) |
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after the opening tag with the requested id""" |
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if self.watch_startpos: |
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self.watch_startpos = False |
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self.result.append(self.getpos()) |
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handle_entityref = handle_charref = handle_data = handle_comment = \ |
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handle_decl = handle_pi = unknown_decl = find_startpos |
|
|
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def get_result(self): |
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if self.result is None: |
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return None |
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if len(self.result) != 3: |
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return None |
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lines = self.html.split('\n') |
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lines = lines[self.result[1][0]-1:self.result[2][0]] |
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lines[0] = lines[0][self.result[1][1]:] |
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if len(lines) == 1: |
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lines[-1] = lines[-1][:self.result[2][1]-self.result[1][1]] |
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lines[-1] = lines[-1][:self.result[2][1]] |
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return '\n'.join(lines).strip() |
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# Hack for https://github.com/rg3/youtube-dl/issues/662 |
|
if sys.version_info < (2, 7, 3): |
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AttrParser.parse_endtag = (lambda self, i: |
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i + len("</scr'+'ipt>") |
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if self.rawdata[i:].startswith("</scr'+'ipt>") |
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else compat_html_parser.HTMLParser.parse_endtag(self, i)) |
|
|
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def get_element_by_id(id, html): |
|
"""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): |
|
"""Return the content of the tag with the specified attribute in the passed HTML document""" |
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parser = AttrParser(attribute, value) |
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try: |
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parser.loads(html) |
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except compat_html_parser.HTMLParseError: |
|
pass |
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return parser.get_result() |
|
|
|
class MetaParser(BaseHTMLParser): |
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""" |
|
Modified HTMLParser that isolates a meta tag with the specified name |
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attribute. |
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""" |
|
def __init__(self, name): |
|
BaseHTMLParser.__init__(self) |
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self.name = name |
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self.content = None |
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self.result = None |
|
|
|
def handle_starttag(self, tag, attrs): |
|
if tag != 'meta': |
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return |
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attrs = dict(attrs) |
|
if attrs.get('name') == self.name: |
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self.result = attrs.get('content') |
|
|
|
def get_result(self): |
|
return self.result |
|
|
|
def get_meta_content(name, html): |
|
""" |
|
Return the content attribute from the meta tag with the given name attribute. |
|
""" |
|
parser = MetaParser(name) |
|
try: |
|
parser.loads(html) |
|
except compat_html_parser.HTMLParseError: |
|
pass |
|
return parser.get_result() |
|
|
|
|
|
def clean_html(html): |
|
"""Clean an HTML snippet into a readable string""" |
|
# Newline vs <br /> |
|
html = html.replace('\n', ' ') |
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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) |
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# Replace html entities |
|
html = unescapeHTML(html) |
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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 == u'-': |
|
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 = os.path.join( |
|
re.sub(u'[/<>:"\\|\\\\?\\*]', u'#', path_part) |
|
for path_part in os.path.split(filename) |
|
) |
|
if alt_filename == filename: |
|
raise |
|
else: |
|
# An exception here should be caught in the caller |
|
stream = open(encodeFilename(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 |
|
|
|
result = u''.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 not result: |
|
result = '_' |
|
return result |
|
|
|
def orderedSet(iterable): |
|
""" Remove all duplicates from the input iterable """ |
|
res = [] |
|
for el in iterable: |
|
if el not in res: |
|
res.append(el) |
|
return res |
|
|
|
|
|
def unescapeHTML(s): |
|
if s is None: |
|
return None |
|
assert type(s) == compat_str |
|
|
|
result = re.sub(r'(?u)&(.+?);', htmlentity_transform, s) |
|
return result |
|
|
|
|
|
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 |
|
|
|
if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5: |
|
# Pass u'' 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: |
|
return s |
|
else: |
|
# 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 s.encode(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 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(opts_no_check_certificate, **kwargs): |
|
if sys.version_info < (3, 2): |
|
import httplib |
|
|
|
class HTTPSConnectionV3(httplib.HTTPSConnection): |
|
def __init__(self, *args, **kwargs): |
|
httplib.HTTPSConnection.__init__(self, *args, **kwargs) |
|
|
|
def connect(self): |
|
sock = socket.create_connection((self.host, self.port), self.timeout) |
|
if getattr(self, '_tunnel_host', False): |
|
self.sock = sock |
|
self._tunnel() |
|
try: |
|
self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_SSLv3) |
|
except ssl.SSLError: |
|
self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_SSLv23) |
|
|
|
class HTTPSHandlerV3(compat_urllib_request.HTTPSHandler): |
|
def https_open(self, req): |
|
return self.do_open(HTTPSConnectionV3, req) |
|
return HTTPSHandlerV3(**kwargs) |
|
else: |
|
context = ssl.SSLContext(ssl.PROTOCOL_SSLv3) |
|
context.verify_mode = (ssl.CERT_NONE |
|
if opts_no_check_certificate |
|
else ssl.CERT_REQUIRED) |
|
context.set_default_verify_paths() |
|
try: |
|
context.load_default_certs() |
|
except AttributeError: |
|
pass # Python < 3.4 |
|
return compat_urllib_request.HTTPSHandler(context=context, **kwargs) |
|
|
|
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 not expected: |
|
msg = msg + u'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.' |
|
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 u''.join(traceback.format_tb(self.traceback)) |
|
|
|
|
|
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. |
|
""" |
|
# Both in bytes |
|
downloaded = None |
|
expected = None |
|
|
|
def __init__(self, downloaded, expected): |
|
self.downloaded = downloaded |
|
self.expected = expected |
|
|
|
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. |
|
""" |
|
|
|
@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(): |
|
if h in req.headers: |
|
del req.headers[h] |
|
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 'Youtubedl-user-agent' in req.headers: |
|
if 'User-agent' in req.headers: |
|
del req.headers['User-agent'] |
|
req.headers['User-agent'] = req.headers['Youtubedl-user-agent'] |
|
del req.headers['Youtubedl-user-agent'] |
|
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 |
|
|
|
|
|
def parse_iso8601(date_str, delimiter='T'): |
|
""" Return a UNIX timestamp from the given date """ |
|
|
|
if date_str is None: |
|
return None |
|
|
|
m = re.search( |
|
r'Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$', |
|
date_str) |
|
if not m: |
|
timezone = datetime.timedelta() |
|
else: |
|
date_str = date_str[:-len(m.group(0))] |
|
if not m.group('sign'): |
|
timezone = datetime.timedelta() |
|
else: |
|
sign = 1 if m.group('sign') == '+' else -1 |
|
timezone = datetime.timedelta( |
|
hours=sign * int(m.group('hours')), |
|
minutes=sign * int(m.group('minutes'))) |
|
date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter) |
|
dt = datetime.datetime.strptime(date_str, date_format) - timezone |
|
return calendar.timegm(dt.timetuple()) |
|
|
|
|
|
def unified_strdate(date_str): |
|
"""Return a string with the date in the format YYYYMMDD""" |
|
|
|
if date_str is None: |
|
return None |
|
|
|
upload_date = None |
|
#Replace commas |
|
date_str = date_str.replace(',', ' ') |
|
# %z (UTC offset) is only supported in python>=3.2 |
|
date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', 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', |
|
'%d.%m.%Y', |
|
'%d/%m/%Y', |
|
'%Y/%m/%d %H:%M:%S', |
|
'%Y-%m-%d %H:%M:%S', |
|
'%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', |
|
] |
|
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=u'unknown_video'): |
|
guess = url.partition(u'?')[0].rpartition(u'.')[2] |
|
if re.match(r'^[A-Za-z0-9]+$', guess): |
|
return guess |
|
else: |
|
return default_ext |
|
|
|
def subtitles_filename(filename, sub_lang, sub_format): |
|
return filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + sub_format |
|
|
|
def date_from_str(date_str): |
|
""" |
|
Return a datetime object from a string in the format YYYYMMDD or |
|
(now|today)[+-][0-9](day|week|month|year)(s)?""" |
|
today = datetime.date.today() |
|
if date_str == 'now'or date_str == 'today': |
|
return today |
|
match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str) |
|
if match is not None: |
|
sign = match.group('sign') |
|
time = int(match.group('time')) |
|
if sign == '-': |
|
time = -time |
|
unit = match.group('unit') |
|
#A bad aproximation? |
|
if unit == 'month': |
|
unit = 'day' |
|
time *= 30 |
|
elif unit == 'year': |
|
unit = 'day' |
|
time *= 365 |
|
unit += 's' |
|
delta = datetime.timedelta(**{unit: time}) |
|
return today + delta |
|
return datetime.datetime.strptime(date_str, "%Y%m%d").date() |
|
|
|
def hyphenate_date(date_str): |
|
""" |
|
Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format""" |
|
match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', 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 |
|
if fileno not in WIN_OUTPUT_IDS: |
|
return False |
|
|
|
GetStdHandle = ctypes.WINFUNCTYPE( |
|
ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)( |
|
("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)(("WriteConsoleW", ctypes.windll.kernel32)) |
|
written = ctypes.wintypes.DWORD(0) |
|
|
|
GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)(("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))( |
|
("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'' |
|
if isinstance(chr(0), bytes): # Python 2 |
|
return ''.join([chr(x) for x in xs]) |
|
else: |
|
return bytes(xs) |
|
|
|
|
|
def get_cachedir(params={}): |
|
cache_root = os.environ.get('XDG_CACHE_HOME', |
|
os.path.expanduser('~/.cache')) |
|
return params.get('cachedir', os.path.join(cache_root, 'youtube-dl')) |
|
|
|
|
|
# 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.lockf(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH) |
|
|
|
def _unlock_file(f): |
|
fcntl.lockf(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 shell_quote(args): |
|
quoted_args = [] |
|
encoding = sys.getfilesystemencoding() |
|
if encoding is None: |
|
encoding = 'utf-8' |
|
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 u' '.join(quoted_args) |
|
|
|
|
|
def takewhile_inclusive(pred, seq): |
|
""" Like itertools.takewhile, but include the latest evaluated element |
|
(the first element so that Not pred(e)) """ |
|
for e in seq: |
|
yield e |
|
if not pred(e): |
|
return |
|
|
|
|
|
def smuggle_url(url, data): |
|
""" Pass additional data in a URL for internal use. """ |
|
|
|
sdata = compat_urllib_parse.urlencode( |
|
{u'__youtubedl_smuggle': json.dumps(data)}) |
|
return url + u'#' + sdata |
|
|
|
|
|
def unsmuggle_url(smug_url, default=None): |
|
if not '#__youtubedl_smuggle' in smug_url: |
|
return smug_url, default |
|
url, _, sdata = smug_url.rpartition(u'#') |
|
jsond = compat_parse_qs(sdata)[u'__youtubedl_smuggle'][0] |
|
data = json.loads(jsond) |
|
return url, data |
|
|
|
|
|
def format_bytes(bytes): |
|
if bytes is None: |
|
return u'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 = [u'B', u'KiB', u'MiB', u'GiB', u'TiB', u'PiB', u'EiB', u'ZiB', u'YiB'][exponent] |
|
converted = float(bytes) / float(1024 ** exponent) |
|
return u'%.2f%s' % (converted, suffix) |
|
|
|
|
|
def str_to_int(int_str): |
|
if int_str is None: |
|
return None |
|
int_str = re.sub(r'[,\.]', u'', int_str) |
|
return int(int_str) |
|
|
|
|
|
def get_term_width(): |
|
columns = os.environ.get('COLUMNS', None) |
|
if columns: |
|
return int(columns) |
|
|
|
try: |
|
sp = subprocess.Popen( |
|
['stty', 'size'], |
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
|
out, err = sp.communicate() |
|
return int(out.split()[1]) |
|
except: |
|
pass |
|
return None |
|
|
|
|
|
def month_by_name(name): |
|
""" Return the number of a month by (locale-independently) English name """ |
|
|
|
ENGLISH_NAMES = [ |
|
u'January', u'February', u'March', u'April', u'May', u'June', |
|
u'July', u'August', u'September', u'October', u'November', u'December'] |
|
try: |
|
return ENGLISH_NAMES.index(name) + 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};)', |
|
u'&', |
|
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 url_basename(url): |
|
path = compat_urlparse.urlparse(url).path |
|
return path.strip(u'/').split(u'/')[-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): |
|
if get_attr: |
|
if v is not None: |
|
v = getattr(v, get_attr, None) |
|
return default if v is None else (int(v) // scale) |
|
|
|
|
|
def float_or_none(v, scale=1, default=None): |
|
return default if v is None else (float(v) / scale) |
|
|
|
|
|
def parse_duration(s): |
|
if s is None: |
|
return None |
|
|
|
m = re.match( |
|
r'(?:(?:(?P<hours>[0-9]+)[:h])?(?P<mins>[0-9]+)[:m])?(?P<secs>[0-9]+)s?(?::[0-9]+)?$', s) |
|
if not m: |
|
return None |
|
res = int(m.group('secs')) |
|
if m.group('mins'): |
|
res += int(m.group('mins')) * 60 |
|
if m.group('hours'): |
|
res += int(m.group('hours')) * 60 * 60 |
|
return res |
|
|
|
|
|
def prepend_extension(filename, ext): |
|
name, real_ext = os.path.splitext(filename) |
|
return u'{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 |
|
|
|
|
|
class PagedList(object): |
|
def __init__(self, pagefunc, pagesize): |
|
self._pagefunc = pagefunc |
|
self._pagesize = pagesize |
|
|
|
def __len__(self): |
|
# This is only useful for tests |
|
return len(self.getslice()) |
|
|
|
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 |
|
|
|
|
|
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) |
|
|
|
try: |
|
struct.pack(u'!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 = u'\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 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 {} |
|
return xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs) |
|
|
|
|
|
if sys.version_info < (3, 0) and sys.platform == 'win32': |
|
def compat_getpass(prompt, *args, **kwargs): |
|
if isinstance(prompt, compat_str): |
|
prompt = prompt.encode(preferredencoding()) |
|
return getpass.getpass(prompt, *args, **kwargs) |
|
else: |
|
compat_getpass = getpass.getpass |
|
|
|
|
|
US_RATINGS = { |
|
'G': 0, |
|
'PG': 10, |
|
'PG-13': 13, |
|
'R': 16, |
|
'NC': 18, |
|
} |
|
|
|
|
|
def strip_jsonp(code): |
|
return re.sub(r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?\s*$', r'\1', code) |
|
|
|
|
|
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' |
|
|
|
try: |
|
subprocess_check_output = subprocess.check_output |
|
except AttributeError: |
|
def subprocess_check_output(*args, **kwargs): |
|
assert 'input' not in kwargs |
|
p = subprocess.Popen(*args, stdout=subprocess.PIPE, **kwargs) |
|
output, _ = p.communicate() |
|
ret = p.poll() |
|
if ret: |
|
raise subprocess.CalledProcessError(ret, p.args, output=output) |
|
return output
|
|
|