mirror of
https://source.netsyms.com/Mirrors/youtube-dl
synced 2024-11-03 03:40:20 +00:00
376 lines
10 KiB
Python
376 lines
10 KiB
Python
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
import gzip
|
|
import htmlentitydefs
|
|
import HTMLParser
|
|
import locale
|
|
import os
|
|
import re
|
|
import sys
|
|
import zlib
|
|
import urllib2
|
|
import email.utils
|
|
|
|
try:
|
|
import cStringIO as StringIO
|
|
except ImportError:
|
|
import StringIO
|
|
|
|
std_headers = {
|
|
'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:5.0.1) Gecko/20100101 Firefox/5.0.1',
|
|
'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
|
|
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
|
|
'Accept-Encoding': 'gzip, deflate',
|
|
'Accept-Language': 'en-us,en;q=0.5',
|
|
}
|
|
|
|
def preferredencoding():
|
|
"""Get preferred encoding.
|
|
|
|
Returns the best encoding scheme for the system, based on
|
|
locale.getpreferredencoding() and some further tweaks.
|
|
"""
|
|
def yield_preferredencoding():
|
|
try:
|
|
pref = locale.getpreferredencoding()
|
|
u'TEST'.encode(pref)
|
|
except:
|
|
pref = 'UTF-8'
|
|
while True:
|
|
yield pref
|
|
return yield_preferredencoding().next()
|
|
|
|
|
|
def htmlentity_transform(matchobj):
|
|
"""Transforms an HTML entity to a Unicode character.
|
|
|
|
This function receives a match object and is intended to be used with
|
|
the re.sub() function.
|
|
"""
|
|
entity = matchobj.group(1)
|
|
|
|
# Known non-numeric HTML entity
|
|
if entity in htmlentitydefs.name2codepoint:
|
|
return unichr(htmlentitydefs.name2codepoint[entity])
|
|
|
|
# Unicode character
|
|
mobj = re.match(ur'(?u)#(x?\d+)', entity)
|
|
if mobj is not None:
|
|
numstr = mobj.group(1)
|
|
if numstr.startswith(u'x'):
|
|
base = 16
|
|
numstr = u'0%s' % numstr
|
|
else:
|
|
base = 10
|
|
return unichr(long(numstr, base))
|
|
|
|
# Unknown entity in name, return its literal representation
|
|
return (u'&%s;' % entity)
|
|
|
|
|
|
def sanitize_title(utitle):
|
|
"""Sanitizes a video title so it could be used as part of a filename."""
|
|
utitle = re.sub(ur'(?u)&(.+?);', htmlentity_transform, utitle)
|
|
return utitle.replace(unicode(os.sep), u'%')
|
|
|
|
|
|
def sanitize_open(filename, open_mode):
|
|
"""Try to open the given filename, and slightly tweak it if this fails.
|
|
|
|
Attempts to open the given filename. If this fails, it tries to change
|
|
the filename slightly, step by step, until it's either able to open it
|
|
or it fails and raises a final exception, like the standard open()
|
|
function.
|
|
|
|
It returns the tuple (stream, definitive_file_name).
|
|
"""
|
|
try:
|
|
if filename == u'-':
|
|
if sys.platform == 'win32':
|
|
import msvcrt
|
|
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
|
|
return (sys.stdout, filename)
|
|
stream = open(encodeFilename(filename), open_mode)
|
|
return (stream, filename)
|
|
except (IOError, OSError), err:
|
|
# In case of error, try to remove win32 forbidden chars
|
|
filename = re.sub(ur'[/<>:"\|\?\*]', u'#', filename)
|
|
|
|
# An exception here should be caught in the caller
|
|
stream = open(encodeFilename(filename), open_mode)
|
|
return (stream, filename)
|
|
|
|
|
|
def timeconvert(timestr):
|
|
"""Convert RFC 2822 defined time string into system timestamp"""
|
|
timestamp = None
|
|
timetuple = email.utils.parsedate_tz(timestr)
|
|
if timetuple is not None:
|
|
timestamp = email.utils.mktime_tz(timetuple)
|
|
return timestamp
|
|
|
|
def simplify_title(title):
|
|
expr = re.compile(ur'[^\w\d_\-]+', flags=re.UNICODE)
|
|
return expr.sub(u'_', title).strip(u'_')
|
|
|
|
def orderedSet(iterable):
|
|
""" Remove all duplicates from the input iterable """
|
|
res = []
|
|
for el in iterable:
|
|
if el not in res:
|
|
res.append(el)
|
|
return res
|
|
|
|
def unescapeHTML(s):
|
|
"""
|
|
@param s a string (of type unicode)
|
|
"""
|
|
assert type(s) == type(u'')
|
|
|
|
htmlParser = HTMLParser.HTMLParser()
|
|
return htmlParser.unescape(s)
|
|
|
|
def encodeFilename(s):
|
|
"""
|
|
@param s The name of the file (of type unicode)
|
|
"""
|
|
|
|
assert type(s) == type(u'')
|
|
|
|
if sys.platform == 'win32' and sys.getwindowsversion().major >= 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.)
|
|
return s
|
|
else:
|
|
return s.encode(sys.getfilesystemencoding(), 'ignore')
|
|
|
|
class DownloadError(Exception):
|
|
"""Download Error exception.
|
|
|
|
This exception may be thrown by FileDownloader objects if they are not
|
|
configured to continue on errors. They will contain the appropriate
|
|
error message.
|
|
"""
|
|
pass
|
|
|
|
|
|
class SameFileError(Exception):
|
|
"""Same File exception.
|
|
|
|
This exception will be thrown by FileDownloader objects if they detect
|
|
multiple files would have to be downloaded to the same file on disk.
|
|
"""
|
|
pass
|
|
|
|
|
|
class PostProcessingError(Exception):
|
|
"""Post Processing exception.
|
|
|
|
This exception may be raised by PostProcessor's .run() method to
|
|
indicate an error in the postprocessing task.
|
|
"""
|
|
pass
|
|
|
|
class MaxDownloadsReached(Exception):
|
|
""" --max-downloads limit has been reached. """
|
|
pass
|
|
|
|
|
|
class UnavailableVideoError(Exception):
|
|
"""Unavailable Format exception.
|
|
|
|
This exception will be thrown when a video is requested
|
|
in a format that is not available for that video.
|
|
"""
|
|
pass
|
|
|
|
|
|
class ContentTooShortError(Exception):
|
|
"""Content Too Short exception.
|
|
|
|
This exception may be raised by FileDownloader objects when a file they
|
|
download is too small for what the server announced first, indicating
|
|
the connection was probably interrupted.
|
|
"""
|
|
# Both in bytes
|
|
downloaded = None
|
|
expected = None
|
|
|
|
def __init__(self, downloaded, expected):
|
|
self.downloaded = downloaded
|
|
self.expected = expected
|
|
|
|
|
|
class YoutubeDLHandler(urllib2.HTTPHandler):
|
|
"""Handler for HTTP requests and responses.
|
|
|
|
This class, when installed with an OpenerDirector, automatically adds
|
|
the standard headers to every HTTP request and handles gzipped and
|
|
deflated responses from web servers. If compression is to be avoided in
|
|
a particular request, the original request in the program code only has
|
|
to include the HTTP header "Youtubedl-No-Compression", which will be
|
|
removed before making the real request.
|
|
|
|
Part of this code was copied from:
|
|
|
|
http://techknack.net/python-urllib2-handlers/
|
|
|
|
Andrew Rowls, the author of that code, agreed to release it to the
|
|
public domain.
|
|
"""
|
|
|
|
@staticmethod
|
|
def deflate(data):
|
|
try:
|
|
return zlib.decompress(data, -zlib.MAX_WBITS)
|
|
except zlib.error:
|
|
return zlib.decompress(data)
|
|
|
|
@staticmethod
|
|
def addinfourl_wrapper(stream, headers, url, code):
|
|
if hasattr(urllib2.addinfourl, 'getcode'):
|
|
return urllib2.addinfourl(stream, headers, url, code)
|
|
ret = urllib2.addinfourl(stream, headers, url)
|
|
ret.code = code
|
|
return ret
|
|
|
|
def http_request(self, req):
|
|
for h in std_headers:
|
|
if h in req.headers:
|
|
del req.headers[h]
|
|
req.add_header(h, std_headers[h])
|
|
if 'Youtubedl-no-compression' in req.headers:
|
|
if 'Accept-encoding' in req.headers:
|
|
del req.headers['Accept-encoding']
|
|
del req.headers['Youtubedl-no-compression']
|
|
return req
|
|
|
|
def http_response(self, req, resp):
|
|
old_resp = resp
|
|
# gzip
|
|
if resp.headers.get('Content-encoding', '') == 'gzip':
|
|
gz = gzip.GzipFile(fileobj=StringIO.StringIO(resp.read()), mode='r')
|
|
resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
|
|
resp.msg = old_resp.msg
|
|
# deflate
|
|
if resp.headers.get('Content-encoding', '') == 'deflate':
|
|
gz = StringIO.StringIO(self.deflate(resp.read()))
|
|
resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
|
|
resp.msg = old_resp.msg
|
|
return resp
|
|
|
|
try:
|
|
import json
|
|
except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson):
|
|
import re
|
|
class json(object):
|
|
@staticmethod
|
|
def loads(s):
|
|
s = s.decode('UTF-8')
|
|
def raiseError(msg, i):
|
|
raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]))
|
|
def skipSpace(i, expectMore=True):
|
|
while i < len(s) and s[i] in ' \t\r\n':
|
|
i += 1
|
|
if expectMore:
|
|
if i >= len(s):
|
|
raiseError('Premature end', i)
|
|
return i
|
|
def decodeEscape(match):
|
|
esc = match.group(1)
|
|
_STATIC = {
|
|
'"': '"',
|
|
'\\': '\\',
|
|
'/': '/',
|
|
'b': unichr(0x8),
|
|
'f': unichr(0xc),
|
|
'n': '\n',
|
|
'r': '\r',
|
|
't': '\t',
|
|
}
|
|
if esc in _STATIC:
|
|
return _STATIC[esc]
|
|
if esc[0] == 'u':
|
|
if len(esc) == 1+4:
|
|
return unichr(int(esc[1:5], 16))
|
|
if len(esc) == 5+6 and esc[5:7] == '\\u':
|
|
hi = int(esc[1:5], 16)
|
|
low = int(esc[7:11], 16)
|
|
return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000)
|
|
raise ValueError('Unknown escape ' + str(esc))
|
|
def parseString(i):
|
|
i += 1
|
|
e = i
|
|
while True:
|
|
e = s.index('"', e)
|
|
bslashes = 0
|
|
while s[e-bslashes-1] == '\\':
|
|
bslashes += 1
|
|
if bslashes % 2 == 1:
|
|
e += 1
|
|
continue
|
|
break
|
|
rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)')
|
|
stri = rexp.sub(decodeEscape, s[i:e])
|
|
return (e+1,stri)
|
|
def parseObj(i):
|
|
i += 1
|
|
res = {}
|
|
i = skipSpace(i)
|
|
if s[i] == '}': # Empty dictionary
|
|
return (i+1,res)
|
|
while True:
|
|
if s[i] != '"':
|
|
raiseError('Expected a string object key', i)
|
|
i,key = parseString(i)
|
|
i = skipSpace(i)
|
|
if i >= len(s) or s[i] != ':':
|
|
raiseError('Expected a colon', i)
|
|
i,val = parse(i+1)
|
|
res[key] = val
|
|
i = skipSpace(i)
|
|
if s[i] == '}':
|
|
return (i+1, res)
|
|
if s[i] != ',':
|
|
raiseError('Expected comma or closing curly brace', i)
|
|
i = skipSpace(i+1)
|
|
def parseArray(i):
|
|
res = []
|
|
i = skipSpace(i+1)
|
|
if s[i] == ']': # Empty array
|
|
return (i+1,res)
|
|
while True:
|
|
i,val = parse(i)
|
|
res.append(val)
|
|
i = skipSpace(i) # Raise exception if premature end
|
|
if s[i] == ']':
|
|
return (i+1, res)
|
|
if s[i] != ',':
|
|
raiseError('Expected a comma or closing bracket', i)
|
|
i = skipSpace(i+1)
|
|
def parseDiscrete(i):
|
|
for k,v in {'true': True, 'false': False, 'null': None}.items():
|
|
if s.startswith(k, i):
|
|
return (i+len(k), v)
|
|
raiseError('Not a boolean (or null)', i)
|
|
def parseNumber(i):
|
|
mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:])
|
|
if mobj is None:
|
|
raiseError('Not a number', i)
|
|
nums = mobj.group(1)
|
|
if '.' in nums or 'e' in nums or 'E' in nums:
|
|
return (i+len(nums), float(nums))
|
|
return (i+len(nums), int(nums))
|
|
CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete}
|
|
def parse(i):
|
|
i = skipSpace(i)
|
|
i,res = CHARMAP.get(s[i], parseNumber)(i)
|
|
i = skipSpace(i, False)
|
|
return (i,res)
|
|
i,res = parse(0)
|
|
if i < len(s):
|
|
raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')')
|
|
return res
|