#!/usr/bin/env python
# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import calendar
+import codecs
+import contextlib
+import ctypes
+import datetime
+import email.utils
+import errno
import gzip
-import htmlentitydefs
-import HTMLParser
+import itertools
+import io
+import json
import locale
+import math
import os
+import pipes
+import platform
import re
+import ssl
+import socket
+import struct
+import subprocess
import sys
+import tempfile
+import traceback
+import xml.etree.ElementTree
import zlib
-import urllib2
-import email.utils
-import json
-try:
- import cStringIO as StringIO
-except ImportError:
- import StringIO
+from .compat import (
+ compat_chr,
+ compat_getenv,
+ compat_html_entities,
+ compat_parse_qs,
+ compat_str,
+ compat_urllib_error,
+ compat_urllib_parse,
+ compat_urllib_parse_urlparse,
+ compat_urllib_request,
+ compat_urlparse,
+ shlex_quote,
+)
+
+
+# This is not clearly defined otherwise
+compiled_regex_type = type(re.compile(''))
std_headers = {
- 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv: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',
+ 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20100101 Firefox/10.0 (Chrome)',
+ 'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
+ 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
+ 'Accept-Encoding': 'gzip, deflate',
+ 'Accept-Language': 'en-us,en;q=0.5',
}
+
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)
-
-HTMLParser.locatestarttagend = re.compile(r"""<[a-zA-Z][-.a-zA-Z0-9:_]*(?:\s+(?:(?<=['"\s])[^\s/>][^\s/=>]*(?:\s*=+\s*(?:'[^']*'|"[^"]*"|(?!['"])[^>\s]*))?\s*)*)?\s*""", re.VERBOSE) # backport bugfix
-class IDParser(HTMLParser.HTMLParser):
- """Modified HTMLParser that isolates a tag with the specified id"""
- def __init__(self, id):
- self.id = id
- self.result = None
- self.started = False
- self.depth = {}
- self.html = None
- self.watch_startpos = False
- self.error_count = 0
- HTMLParser.HTMLParser.__init__(self)
-
- def error(self, message):
- print >> sys.stderr, self.getpos()
- if self.error_count > 10 or self.started:
- raise HTMLParser.HTMLParseError(message, self.getpos())
- self.rawdata = '\n'.join(self.html.split('\n')[self.getpos()[0]:]) # skip one line
- self.error_count += 1
- self.goahead(1)
-
- def loads(self, html):
- self.html = html
- self.feed(html)
- self.close()
-
- def handle_starttag(self, tag, attrs):
- attrs = dict(attrs)
- if self.started:
- self.find_startpos(None)
- if 'id' in attrs and attrs['id'] == self.id:
- self.result = [tag]
- self.started = True
- self.watch_startpos = True
- if self.started:
- if not tag in self.depth: self.depth[tag] = 0
- self.depth[tag] += 1
-
- def handle_endtag(self, tag):
- if self.started:
- if tag in self.depth: self.depth[tag] -= 1
- if self.depth[self.result[0]] == 0:
- self.started = False
- self.result.append(self.getpos())
-
- def find_startpos(self, x):
- """Needed to put the start position of the result (self.result[1])
- after the opening tag with the requested id"""
- if self.watch_startpos:
- self.watch_startpos = False
- self.result.append(self.getpos())
- handle_entityref = handle_charref = handle_data = handle_comment = \
- handle_decl = handle_pi = unknown_decl = find_startpos
-
- def get_result(self):
- if self.result == None: return None
- if len(self.result) != 3: return None
- lines = self.html.split('\n')
- lines = lines[self.result[1][0]-1:self.result[2][0]]
- lines[0] = lines[0][self.result[1][1]:]
- if len(lines) == 1:
- lines[-1] = lines[-1][:self.result[2][1]-self.result[1][1]]
- lines[-1] = lines[-1][:self.result[2][1]]
- return '\n'.join(lines).strip()
+ """Get preferred encoding.
+
+ Returns the best encoding scheme for the system, based on
+ locale.getpreferredencoding() and some further tweaks.
+ """
+ try:
+ pref = locale.getpreferredencoding()
+ 'TEST'.encode(pref)
+ except:
+ pref = 'UTF-8'
+
+ return pref
+
+
+def write_json_file(obj, fn):
+ """ Encode obj as JSON and write it to fn, atomically if possible """
+
+ fn = encodeFilename(fn)
+ if sys.version_info < (3, 0) and sys.platform != 'win32':
+ encoding = get_filesystem_encoding()
+ # os.path.basename returns a bytes object, but NamedTemporaryFile
+ # will fail if the filename contains non ascii characters unless we
+ # use a unicode object
+ path_basename = lambda f: os.path.basename(fn).decode(encoding)
+ # the same for os.path.dirname
+ path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
+ else:
+ path_basename = os.path.basename
+ path_dirname = os.path.dirname
+
+ args = {
+ 'suffix': '.tmp',
+ 'prefix': path_basename(fn) + '.',
+ 'dir': path_dirname(fn),
+ 'delete': False,
+ }
+
+ # In Python 2.x, json.dump expects a bytestream.
+ # In Python 3.x, it writes to a character stream
+ if sys.version_info < (3, 0):
+ args['mode'] = 'wb'
+ else:
+ args.update({
+ 'mode': 'w',
+ 'encoding': 'utf-8',
+ })
+
+ tf = tempfile.NamedTemporaryFile(**args)
+
+ try:
+ with tf:
+ json.dump(obj, tf)
+ if sys.platform == 'win32':
+ # Need to remove existing file on Windows, else os.rename raises
+ # WindowsError or FileExistsError.
+ try:
+ os.unlink(fn)
+ except OSError:
+ pass
+ os.rename(tf.name, fn)
+ except:
+ try:
+ os.remove(tf.name)
+ except OSError:
+ pass
+ raise
+
+
+if sys.version_info >= (2, 7):
+ def find_xpath_attr(node, xpath, key, val):
+ """ Find the xpath xpath[@key=val] """
+ assert re.match(r'^[a-zA-Z-]+$', key)
+ assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
+ expr = xpath + "[@%s='%s']" % (key, val)
+ return node.find(expr)
+else:
+ def find_xpath_attr(node, xpath, key, val):
+ # Here comes the crazy part: In 2.6, if the xpath is a unicode,
+ # .//node does not match if a node is a direct child of . !
+ if isinstance(xpath, unicode):
+ xpath = xpath.encode('ascii')
+
+ for f in node.findall(xpath):
+ if f.attrib.get(key) == val:
+ return f
+ return None
+
+# On python2.6 the xml.etree.ElementTree.Element methods don't support
+# the namespace parameter
+
+
+def xpath_with_ns(path, ns_map):
+ components = [c.split(':') for c in path.split('/')]
+ replaced = []
+ for c in components:
+ if len(c) == 1:
+ replaced.append(c[0])
+ else:
+ ns, tag = c
+ replaced.append('{%s}%s' % (ns_map[ns], tag))
+ return '/'.join(replaced)
+
+
+def xpath_text(node, xpath, name=None, fatal=False):
+ if sys.version_info < (2, 7): # Crazy 2.6
+ xpath = xpath.encode('ascii')
+
+ n = node.find(xpath)
+ if n is None:
+ if fatal:
+ name = xpath if name is None else name
+ raise ExtractorError('Could not find XML element %s' % name)
+ else:
+ return None
+ return n.text
+
def get_element_by_id(id, html):
- """Return the content of the tag with the specified id in the passed HTML document"""
- parser = IDParser(id)
- try:
- parser.loads(html)
- except HTMLParser.HTMLParseError:
- pass
- return parser.get_result()
+ """Return the content of the tag with the specified ID in the passed HTML document"""
+ return get_element_by_attribute("id", id, html)
+
+
+def get_element_by_attribute(attribute, value, html):
+ """Return the content of the tag with the specified attribute in the passed HTML document"""
+
+ m = re.search(r'''(?xs)
+ <([a-zA-Z0-9:._-]+)
+ (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
+ \s+%s=['"]?%s['"]?
+ (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
+ \s*>
+ (?P<content>.*?)
+ </\1>
+ ''' % (re.escape(attribute), re.escape(value)), html)
+
+ if not m:
+ return None
+ res = m.group('content')
+
+ if res.startswith('"') or res.startswith("'"):
+ res = res[1:-1]
+
+ return unescapeHTML(res)
def clean_html(html):
- """Clean an HTML snippet into a readable string"""
- # Newline vs <br />
- html = html.replace('\n', ' ')
- html = re.sub('\s*<\s*br\s*/?\s*>\s*', '\n', html)
- # Strip html tags
- html = re.sub('<.*?>', '', html)
- # Replace html entities
- html = unescapeHTML(html)
- return html
+ """Clean an HTML snippet into a readable string"""
+ # Newline vs <br />
+ html = html.replace('\n', ' ')
+ html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html)
+ html = re.sub(r'<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
+ # Strip html tags
+ html = re.sub('<.*?>', '', html)
+ # Replace html entities
+ html = unescapeHTML(html)
+ return html.strip()
def sanitize_open(filename, open_mode):
- """Try to open the given filename, and slightly tweak it if this fails.
-
- Attempts to open the given filename. If this fails, it tries to change
- the filename slightly, step by step, until it's either able to open it
- or it fails and raises a final exception, like the standard open()
- function.
-
- It returns the tuple (stream, definitive_file_name).
- """
- try:
- if filename == 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)
+ """Try to open the given filename, and slightly tweak it if this fails.
+
+ Attempts to open the given filename. If this fails, it tries to change
+ the filename slightly, step by step, until it's either able to open it
+ or it fails and raises a final exception, like the standard open()
+ function.
+
+ It returns the tuple (stream, definitive_file_name).
+ """
+ try:
+ if filename == '-':
+ if sys.platform == 'win32':
+ import msvcrt
+ msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+ return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
+ stream = open(encodeFilename(filename), open_mode)
+ return (stream, filename)
+ except (IOError, OSError) as err:
+ if err.errno in (errno.EACCES,):
+ raise
+
+ # In case of error, try to remove win32 forbidden chars
+ alt_filename = os.path.join(
+ re.sub('[/<>:"\\|\\\\?\\*]', '#', 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):
- """Sanitizes a string so it could be used as part of a filename."""
- def replace_insane(char):
- if char in u' .\\/|?*<>:"' or ord(char) < 32:
- return '_'
- return char
- return u''.join(map(replace_insane, s)).strip('_')
+ """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 = ''.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
+ """ Remove all duplicates from the input iterable """
+ res = []
+ for el in iterable:
+ if el not in res:
+ res.append(el)
+ return res
+
+
+def _htmlentity_transform(entity):
+ """Transforms an HTML entity to a character."""
+ # Known non-numeric HTML entity
+ if entity in compat_html_entities.name2codepoint:
+ return compat_chr(compat_html_entities.name2codepoint[entity])
+
+ mobj = re.match(r'#(x?[0-9]+)', entity)
+ if mobj is not None:
+ numstr = mobj.group(1)
+ if numstr.startswith('x'):
+ base = 16
+ numstr = '0%s' % numstr
+ else:
+ base = 10
+ return compat_chr(int(numstr, base))
+
+ # Unknown entity in name, return its literal representation
+ return ('&%s;' % entity)
+
def unescapeHTML(s):
- """
- @param s a string (of type unicode)
- """
- assert type(s) == type(u'')
+ if s is None:
+ return None
+ assert type(s) == compat_str
+
+ return re.sub(
+ r'&([^;]+);', lambda m: _htmlentity_transform(m.group(1)), s)
+
+
+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 '' 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_TLSv1)
+ 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)
+ elif hasattr(ssl, 'create_default_context'): # Python >= 3.4
+ context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
+ context.options &= ~ssl.OP_NO_SSLv3 # Allow older, not-as-secure SSLv3
+ if opts_no_check_certificate:
+ context.verify_mode = ssl.CERT_NONE
+ return compat_urllib_request.HTTPSHandler(context=context, **kwargs)
+ else: # Python < 3.4
+ context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+ 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."""
- result = re.sub(ur'(?u)&(.+?);', htmlentity_transform, s)
- return result
+ 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.
+ """
-def encodeFilename(s):
- """
- @param s The name of the file (of type unicode)
- """
+ if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
+ expected = True
+ if video_id is not None:
+ msg = video_id + ': ' + msg
+ if cause:
+ msg += ' (caused by %r)' % cause
+ if not expected:
+ if ytdl_is_updateable():
+ update_cmd = 'type youtube-dl -U to update'
+ else:
+ update_cmd = 'see https://yt-dl.org/update on how to update'
+ msg += '; please report this issue on https://yt-dl.org/bug .'
+ msg += ' Make sure you are using the latest version; %s.' % update_cmd
+ msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.'
+ super(ExtractorError, self).__init__(msg)
- assert type(s) == type(u'')
+ self.traceback = tb
+ self.exc_info = sys.exc_info() # preserve original exception
+ self.cause = cause
+ self.video_id = video_id
+
+ def format_traceback(self):
+ if self.traceback is None:
+ return None
+ return ''.join(traceback.format_tb(self.traceback))
+
+
+class RegexNotFoundError(ExtractorError):
+ """Error when a regex didn't match"""
+ pass
- 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.
+ """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
+ 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.
+ """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
+ 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.
+ """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
- 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
+ """ --max-downloads limit has been reached. """
+ pass
class UnavailableVideoError(Exception):
- """Unavailable Format 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
+ 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 Trouble(Exception):
- """Trouble helper exception
-
- This is an exception to be handled with
- FileDownloader.trouble
- """
-
-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
+ """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 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 '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']
+
+ 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
+
+
+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'(\.[0-9]+)?(?:Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$)',
+ date_str)
+ if not m:
+ timezone = datetime.timedelta()
+ else:
+ date_str = date_str[:-len(m.group(0))]
+ if not m.group('sign'):
+ timezone = datetime.timedelta()
+ else:
+ sign = 1 if m.group('sign') == '+' else -1
+ timezone = datetime.timedelta(
+ hours=sign * int(m.group('hours')),
+ minutes=sign * int(m.group('minutes')))
+ date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter)
+ dt = datetime.datetime.strptime(date_str, date_format) - timezone
+ return calendar.timegm(dt.timetuple())
+
+
+def unified_strdate(date_str):
+ """Return a string with the date in the format YYYYMMDD"""
+
+ if date_str is None:
+ return None
+
+ upload_date = None
+ # Replace commas
+ date_str = date_str.replace(',', ' ')
+ # %z (UTC offset) is only supported in python>=3.2
+ date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', 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',
+ '%Y/%m/%d',
+ '%d.%m.%Y',
+ '%d/%m/%Y',
+ '%d/%m/%y',
+ '%Y/%m/%d %H:%M:%S',
+ '%d/%m/%Y %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',
+ ]
+ 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]+$', guess):
+ return guess
+ else:
+ return default_ext
+
+
+def subtitles_filename(filename, sub_lang, sub_format):
+ return filename.rsplit('.', 1)[0] + '.' + sub_lang + '.' + sub_format
+
+
+def date_from_str(date_str):
+ """
+ Return a datetime object from a string in the format YYYYMMDD or
+ (now|today)[+-][0-9](day|week|month|year)(s)?"""
+ today = datetime.date.today()
+ if date_str == 'now'or date_str == 'today':
+ return today
+ match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str)
+ if match is not None:
+ sign = match.group('sign')
+ time = int(match.group('time'))
+ if sign == '-':
+ time = -time
+ unit = match.group('unit')
+ # A bad aproximation?
+ if unit == 'month':
+ unit = 'day'
+ time *= 30
+ elif unit == 'year':
+ unit = 'day'
+ time *= 365
+ unit += 's'
+ delta = datetime.timedelta(**{unit: time})
+ return today + delta
+ return datetime.datetime.strptime(date_str, "%Y%m%d").date()
+
+
+def hyphenate_date(date_str):
+ """
+ Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
+ match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', 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''
+ 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 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(
+ {'__youtubedl_smuggle': json.dumps(data)})
+ return url + '#' + sdata
+
+
+def unsmuggle_url(smug_url, default=None):
+ if not '#__youtubedl_smuggle' 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
+
+ return int(float(m.group('num')) * _UNIT_TABLE[m.group('unit')])
+
+
+def get_term_width():
+ columns = compat_getenv('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 = [
+ 'January', 'February', 'March', 'April', 'May', 'June',
+ 'July', 'August', 'September', 'October', 'November', '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};)',
+ '&',
+ 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 s is None:
+ return None
+
+ s = s.strip()
+
+ m = re.match(
+ r'''(?ix)T?
+ (?:
+ (?:(?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 = 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
+ 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=r'version\s+([0-9._-a-zA-Z]+)',
+ unrecognized='present'):
+ """ Returns the version of the specified executable,
+ or False if the executable is not present """
+ try:
+ out, err = subprocess.Popen(
+ [exe] + args,
+ stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()
+ except OSError:
+ return False
+ firstline = out.partition(b'\n')[0].decode('ascii', 'ignore')
+ m = re.search(version_re, firstline)
+ 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, unicode):
+ 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)
+ "(?:[^"\\]*(?:\\\\|\\")?)*"|
+ '(?:[^'\\]*(?:\\\\|\\')?)*'|
+ [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 [int(e) for e in v.split('.')]
+
+
+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)
Rapsys Git / youtubedl / blobdiff