from __future__ import unicode_literals
+import base64
+import binascii
import calendar
import codecs
import contextlib
from .compat import (
compat_basestring,
compat_chr,
+ compat_etree_fromstring,
compat_html_entities,
compat_http_client,
compat_kwargs,
compiled_regex_type = type(re.compile(''))
std_headers = {
- 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)',
+ 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/44.0 (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',
}
+NO_DEFAULT = object()
+
ENGLISH_MONTH_NAMES = [
'January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December']
+KNOWN_EXTENSIONS = (
+ 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
+ 'flv', 'f4v', 'f4a', 'f4b',
+ 'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
+ 'mkv', 'mka', 'mk3d',
+ 'avi', 'divx',
+ 'mov',
+ 'asf', 'wmv', 'wma',
+ '3gp', '3g2',
+ 'mp3',
+ 'flac',
+ 'ape',
+ 'wav',
+ 'f4f', 'f4m', 'm3u8', 'smil')
+
def preferredencoding():
"""Get preferred encoding.
if sys.version_info >= (2, 7):
- def find_xpath_attr(node, xpath, key, val):
+ def find_xpath_attr(node, xpath, key, val=None):
""" 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)
+ assert re.match(r'^[a-zA-Z_-]+$', key)
+ expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))
return node.find(expr)
else:
- def find_xpath_attr(node, xpath, key, val):
+ def find_xpath_attr(node, xpath, key, val=None):
# Here comes the crazy part: In 2.6, if the xpath is a unicode,
# .//node does not match if a node is a direct child of . !
if isinstance(xpath, compat_str):
xpath = xpath.encode('ascii')
for f in node.findall(xpath):
- if f.attrib.get(key) == val:
+ if key not in f.attrib:
+ continue
+ if val is None or f.attrib.get(key) == val:
return f
return None
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')
+def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
+ def _find_xpath(xpath):
+ if sys.version_info < (2, 7): # Crazy 2.6
+ xpath = xpath.encode('ascii')
+ return node.find(xpath)
+
+ if isinstance(xpath, (str, compat_str)):
+ n = _find_xpath(xpath)
+ else:
+ for xp in xpath:
+ n = _find_xpath(xp)
+ if n is not None:
+ break
- n = node.find(xpath)
- if n is None or n.text is None:
- if fatal:
+ if n is None:
+ if default is not NO_DEFAULT:
+ return default
+ elif fatal:
name = xpath if name is None else name
raise ExtractorError('Could not find XML element %s' % name)
else:
return None
+ return n
+
+
+def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
+ n = xpath_element(node, xpath, name, fatal=fatal, default=default)
+ if n is None or n == default:
+ return n
+ if n.text is None:
+ if default is not NO_DEFAULT:
+ return default
+ elif fatal:
+ name = xpath if name is None else name
+ raise ExtractorError('Could not find XML element\'s text %s' % name)
+ else:
+ return None
return n.text
+def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
+ n = find_xpath_attr(node, xpath, key)
+ if n is None:
+ if default is not NO_DEFAULT:
+ return default
+ elif fatal:
+ name = '%s[@%s]' % (xpath, key) if name is None else name
+ raise ExtractorError('Could not find XML attribute %s' % name)
+ else:
+ return None
+ return n.attrib[key]
+
+
def get_element_by_id(id, html):
"""Return the content of the tag with the specified ID in the passed HTML document"""
- return get_element_by_attribute("id", id, html)
+ return get_element_by_attribute('id', id, html)
def get_element_by_attribute(attribute, value, html):
if drive_or_unc:
norm_path.pop(0)
sanitized_path = [
- path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|\.$)', '#', path_part)
+ path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|[\s.]$)', '#', path_part)
for path_part in norm_path]
if drive_or_unc:
sanitized_path.insert(0, drive_or_unc + os.path.sep)
return os.path.join(*sanitized_path)
+# Prepend protocol-less URLs with `http:` scheme in order to mitigate the number of
+# unwanted failures due to missing protocol
+def sanitized_Request(url, *args, **kwargs):
+ return compat_urllib_request.Request(
+ 'http:%s' % url if url.startswith('//') else url, *args, **kwargs)
+
+
def orderedSet(iterable):
""" Remove all duplicates from the input iterable """
res = []
numstr = '0%s' % numstr
else:
base = 10
- return compat_chr(int(numstr, base))
+ # See https://github.com/rg3/youtube-dl/issues/7518
+ try:
+ return compat_chr(int(numstr, base))
+ except ValueError:
+ pass
# Unknown entity in name, return its literal representation
- return ('&%s;' % entity)
+ return '&%s;' % entity
def unescapeHTML(s):
if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
return s
+ # Jython assumes filenames are Unicode strings though reported as Python 2.x compatible
+ if sys.platform.startswith('java'):
+ return s
+
return s.encode(get_subprocess_encoding(), 'ignore')
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):
+ # Both in bytes
self.downloaded = downloaded
self.expected = expected
def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
+ # Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting
+ # expected HTTP responses to meet HTTP/1.0 or later (see also
+ # https://github.com/rg3/youtube-dl/issues/6727)
+ if sys.version_info < (3, 0):
+ kwargs[b'strict'] = True
hc = http_class(*args, **kwargs)
source_address = ydl_handler._params.get('source_address')
if source_address is not None:
return hc
+def handle_youtubedl_headers(headers):
+ filtered_headers = headers
+
+ if 'Youtubedl-no-compression' in filtered_headers:
+ filtered_headers = dict((k, v) for k, v in filtered_headers.items() if k.lower() != 'accept-encoding')
+ del filtered_headers['Youtubedl-no-compression']
+
+ return filtered_headers
+
+
class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
"""Handler for HTTP requests and responses.
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
+ to include the HTTP header "Youtubedl-no-compression", which will be
removed before making the real request.
Part of this code was copied from:
return ret
def http_request(self, req):
+ # According to RFC 3986, URLs can not contain non-ASCII characters, however this is not
+ # always respected by websites, some tend to give out URLs with non percent-encoded
+ # non-ASCII characters (see telemb.py, ard.py [#3412])
+ # urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991)
+ # To work around aforementioned issue we will replace request's original URL with
+ # percent-encoded one
+ # Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09)
+ # the code of this workaround has been moved here from YoutubeDL.urlopen()
+ url = req.get_full_url()
+ url_escaped = escape_url(url)
+
+ # Substitute URL if any change after escaping
+ if url != url_escaped:
+ req_type = HEADRequest if req.get_method() == 'HEAD' else compat_urllib_request.Request
+ new_req = req_type(
+ url_escaped, data=req.data, headers=req.headers,
+ origin_req_host=req.origin_req_host, unverifiable=req.unverifiable)
+ new_req.timeout = req.timeout
+ req = new_req
+
for h, v in std_headers.items():
# Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
# The dict keys are capitalized because of this bug by urllib
if h.capitalize() not in req.headers:
req.add_header(h, v)
- if 'Youtubedl-no-compression' in req.headers:
- if 'Accept-encoding' in req.headers:
- del req.headers['Accept-encoding']
- del req.headers['Youtubedl-no-compression']
+
+ req.headers = handle_youtubedl_headers(req.headers)
if sys.version_info < (2, 7) and '#' in req.get_full_url():
# Python 2.6 is brain-dead when it comes to fragments
raise original_ioerror
resp = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
+ del resp.headers['Content-encoding']
# deflate
if resp.headers.get('Content-encoding', '') == 'deflate':
gz = io.BytesIO(self.deflate(resp.read()))
resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
+ del resp.headers['Content-encoding']
+ # Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see
+ # https://github.com/rg3/youtube-dl/issues/6457).
+ if 300 <= resp.code < 400:
+ location = resp.headers.get('Location')
+ if location:
+ # As of RFC 2616 default charset is iso-8859-1 that is respected by python 3
+ if sys.version_info >= (3, 0):
+ location = location.encode('iso-8859-1').decode('utf-8')
+ location_escaped = escape_url(location)
+ if location != location_escaped:
+ del resp.headers['Location']
+ resp.headers['Location'] = location_escaped
return resp
https_request = http_request
req, **kwargs)
+class YoutubeDLCookieProcessor(compat_urllib_request.HTTPCookieProcessor):
+ def __init__(self, cookiejar=None):
+ compat_urllib_request.HTTPCookieProcessor.__init__(self, cookiejar)
+
+ def http_response(self, request, response):
+ # Python 2 will choke on next HTTP request in row if there are non-ASCII
+ # characters in Set-Cookie HTTP header of last response (see
+ # https://github.com/rg3/youtube-dl/issues/6769).
+ # In order to at least prevent crashing we will percent encode Set-Cookie
+ # header before HTTPCookieProcessor starts processing it.
+ # if sys.version_info < (3, 0) and response.headers:
+ # for set_cookie_header in ('Set-Cookie', 'Set-Cookie2'):
+ # set_cookie = response.headers.get(set_cookie_header)
+ # if set_cookie:
+ # set_cookie_escaped = compat_urllib_parse.quote(set_cookie, b"%/;:@&=+$,!~*'()?#[] ")
+ # if set_cookie != set_cookie_escaped:
+ # del response.headers[set_cookie_header]
+ # response.headers[set_cookie_header] = set_cookie_escaped
+ return compat_urllib_request.HTTPCookieProcessor.http_response(self, request, response)
+
+ https_request = compat_urllib_request.HTTPCookieProcessor.http_request
+ https_response = http_response
+
+
def parse_iso8601(date_str, delimiter='T', timezone=None):
""" Return a UNIX timestamp from the given date """
if date_str is None:
return None
+ date_str = re.sub(r'\.[0-9]+', '', date_str)
+
if timezone is None:
m = re.search(
- r'(\.[0-9]+)?(?:Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$)',
+ r'(?:Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$)',
date_str)
if not m:
timezone = datetime.timedelta()
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())
+ try:
+ date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter)
+ dt = datetime.datetime.strptime(date_str, date_format) - timezone
+ return calendar.timegm(dt.timetuple())
+ except ValueError:
+ pass
def unified_strdate(date_str, day_first=True):
'%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',
+ '%b %dst %Y %I:%M',
+ '%b %dnd %Y %I:%M',
+ '%b %dth %Y %I:%M',
'%Y %m %d',
'%Y-%m-%d',
'%Y/%m/%d',
timetuple = email.utils.parsedate_tz(date_str)
if timetuple:
upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
- return upload_date
+ if upload_date is not None:
+ return compat_str(upload_date)
def determine_ext(url, default_ext='unknown_video'):
guess = url.partition('?')[0].rpartition('.')[2]
if re.match(r'^[A-Za-z0-9]+$', guess):
return guess
+ # Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
+ elif guess.rstrip('/') in KNOWN_EXTENSIONS:
+ return guess.rstrip('/')
else:
return default_ext
if sign == '-':
time = -time
unit = match.group('unit')
- # A bad aproximation?
+ # A bad approximation?
if unit == 'month':
unit = 'day'
time *= 30
unit += 's'
delta = datetime.timedelta(**{unit: time})
return today + delta
- return datetime.datetime.strptime(date_str, "%Y%m%d").date()
+ return datetime.datetime.strptime(date_str, '%Y%m%d').date()
def hyphenate_date(date_str):
GetStdHandle = ctypes.WINFUNCTYPE(
ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)(
- (b"GetStdHandle", ctypes.windll.kernel32))
+ (b'GetStdHandle', ctypes.windll.kernel32))
h = GetStdHandle(WIN_OUTPUT_IDS[fileno])
WriteConsoleW = ctypes.WINFUNCTYPE(
ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR,
ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD),
- ctypes.wintypes.LPVOID)((b"WriteConsoleW", ctypes.windll.kernel32))
+ ctypes.wintypes.LPVOID)((b'WriteConsoleW', ctypes.windll.kernel32))
written = ctypes.wintypes.DWORD(0)
- GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b"GetFileType", ctypes.windll.kernel32))
+ GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b'GetFileType', ctypes.windll.kernel32))
FILE_TYPE_CHAR = 0x0002
FILE_TYPE_REMOTE = 0x8000
GetConsoleMode = ctypes.WINFUNCTYPE(
ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE,
ctypes.POINTER(ctypes.wintypes.DWORD))(
- (b"GetConsoleMode", ctypes.windll.kernel32))
+ (b'GetConsoleMode', ctypes.windll.kernel32))
INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value
def not_a_console(handle):
raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
else:
- import fcntl
+ # Some platforms, such as Jython, is missing fcntl
+ try:
+ import fcntl
- def _lock_file(f, exclusive):
- fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
+ 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)
+ def _unlock_file(f):
+ fcntl.flock(f, fcntl.LOCK_UN)
+ except ImportError:
+ UNSUPPORTED_MSG = 'file locking is not supported on this platform'
+
+ def _lock_file(f, exclusive):
+ raise IOError(UNSUPPORTED_MSG)
+
+ def _unlock_file(f):
+ raise IOError(UNSUPPORTED_MSG)
class locked_file(object):
if s is None:
return None
- # The lower-case forms are of course incorrect and inofficial,
+ # The lower-case forms are of course incorrect and unofficial,
# but we support those too
_UNIT_TABLE = {
'B': 1,
def setproctitle(title):
assert isinstance(title, compat_str)
+
+ # ctypes in Jython is not complete
+ # http://bugs.jython.org/issue2148
+ if sys.platform.startswith('java'):
+ return
+
try:
- libc = ctypes.cdll.LoadLibrary("libc.so.6")
+ libc = ctypes.cdll.LoadLibrary('libc.so.6')
except OSError:
return
title_bytes = title.encode('utf-8')
return s
+def remove_quotes(s):
+ if s is None or len(s) < 2:
+ return s
+ for quote in ('"', "'", ):
+ if s[0] == quote and s[-1] == quote:
+ return s[1:-1]
+ return s
+
+
def url_basename(url):
path = compat_urlparse.urlparse(url).path
return path.strip('/').split('/')[-1]
class HEADRequest(compat_urllib_request.Request):
def get_method(self):
- return "HEAD"
+ return 'HEAD'
def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
v = getattr(v, get_attr, None)
if v == '':
v = None
- return default if v is None else (int(v) * invscale // scale)
+ if v is None:
+ return default
+ try:
+ return int(v) * invscale // scale
+ except ValueError:
+ return default
def str_or_none(v, default=None):
def float_or_none(v, scale=1, invscale=1, default=None):
- return default if v is None else (float(v) * invscale / scale)
+ if v is None:
+ return default
+ try:
+ return float(v) * invscale / scale
+ except ValueError:
+ return default
def parse_duration(s):
m = re.match(
r'''(?ix)(?:P?T)?
(?:
- (?P<only_mins>[0-9.]+)\s*(?:mins?|minutes?)\s*|
+ (?P<only_mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*|
(?P<only_hours>[0-9.]+)\s*(?:hours?)|
- \s*(?P<hours_reversed>[0-9]+)\s*(?:[:h]|hours?)\s*(?P<mins_reversed>[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*|
+ \s*(?P<hours_reversed>[0-9]+)\s*(?:[:h]|hours?)\s*(?P<mins_reversed>[0-9]+)\s*(?:[:m]|mins?\.?|minutes?)\s*|
(?:
(?:
(?:(?P<days>[0-9]+)\s*(?:[:d]|days?)\s*)?
class OnDemandPagedList(PagedList):
- def __init__(self, pagefunc, pagesize):
+ def __init__(self, pagefunc, pagesize, use_cache=False):
self._pagefunc = pagefunc
self._pagesize = pagesize
+ self._use_cache = use_cache
+ if use_cache:
+ self._cache = {}
def getslice(self, start=0, end=None):
res = []
if start >= nextfirstid:
continue
- page_results = list(self._pagefunc(pagenum))
+ page_results = None
+ if self._use_cache:
+ page_results = self._cache.get(pagenum)
+ if page_results is None:
+ page_results = list(self._pagefunc(pagenum))
+ if self._use_cache:
+ self._cache[pagenum] = page_results
startv = (
start % self._pagesize
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 update_url_query(url, query):
+ parsed_url = compat_urlparse.urlparse(url)
+ qs = compat_parse_qs(parsed_url.query)
+ qs.update(query)
+ return compat_urlparse.urlunparse(parsed_url._replace(
+ query=compat_urllib_parse.urlencode(qs, True)))
-def parse_xml(s):
- class TreeBuilder(xml.etree.ElementTree.TreeBuilder):
- def doctype(self, name, pubid, system):
- pass # Ignore doctypes
+def encode_dict(d, encoding='utf-8'):
+ def encode(v):
+ return v.encode(encoding) if isinstance(v, compat_basestring) else v
+ return dict((encode(k), encode(v)) for k, v in d.items())
- 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
+
+def dict_get(d, key_or_keys, default=None, skip_false_values=True):
+ if isinstance(key_or_keys, (list, tuple)):
+ for key in key_or_keys:
+ if key not in d or d[key] is None or skip_false_values and not d[key]:
+ continue
+ return d[key]
+ return default
+ return d.get(key_or_keys, default)
+
+
+def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
+ return string if isinstance(string, compat_str) else compat_str(string, encoding, errors)
US_RATINGS = {
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)
+ return int(m.group('age')) if m else US_RATINGS.get(s)
def strip_jsonp(code):
return re.sub(
- r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?(?://[^\n]*)*$', r'\1', code)
+ r'(?s)^[a-zA-Z0-9_.]+\s*\(\s*(.*)\);?\s*?(?://[^\n]*)*$', r'\1', code)
def js_to_json(code):
if v in ('true', 'false', 'null'):
return v
if v.startswith('"'):
- return v
- if v.startswith("'"):
+ v = re.sub(r"\\'", "'", v[1:-1])
+ elif v.startswith("'"):
v = v[1:-1]
v = re.sub(r"\\\\|\\'|\"", lambda m: {
'\\\\': '\\\\',
return ' '.join(shlex_quote(a) for a in args)
+def error_to_compat_str(err):
+ err_str = str(err)
+ # On python 2 error byte string must be decoded with proper
+ # encoding rather than ascii
+ if sys.version_info[0] < 3:
+ err_str = err_str.decode(preferredencoding())
+ return err_str
+
+
def mimetype2ext(mt):
+ ext = {
+ 'audio/mp4': 'm4a',
+ }.get(mt)
+ if ext is not None:
+ return ext
+
_, _, res = mt.rpartition('/')
return {
- 'x-ms-wmv': 'wmv',
- 'x-mp4-fragmented': 'mp4',
+ '3gpp': '3gp',
+ 'smptett+xml': 'tt',
+ 'srt': 'srt',
+ 'ttaf+xml': 'dfxp',
'ttml+xml': 'ttml',
+ 'vtt': 'vtt',
+ 'x-flv': 'flv',
+ 'x-mp4-fragmented': 'mp4',
+ 'x-ms-wmv': 'wmv',
}.get(res, res)
return mimetype2ext(getheader('Content-Type'))
+def encode_data_uri(data, mime_type):
+ return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii'))
+
+
def age_restricted(content_limit, age_limit):
""" Returns True iff the content should be blocked """
def parse_dfxp_time_expr(time_expr):
if not time_expr:
- return 0.0
+ return
mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr)
if mobj:
return float(mobj.group('time_offset'))
- mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:\.\d+)?)$', time_expr)
+ mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:(?:\.|:)\d+)?)$', time_expr)
if mobj:
- return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3))
+ return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3).replace(':', '.'))
def srt_subtitles_timecode(seconds):
'ttaf1': 'http://www.w3.org/2006/10/ttaf1',
})
- def parse_node(node):
- str_or_empty = functools.partial(str_or_none, default='')
+ class TTMLPElementParser(object):
+ out = ''
- out = str_or_empty(node.text)
+ def start(self, tag, attrib):
+ if tag in (_x('ttml:br'), _x('ttaf1:br'), 'br'):
+ self.out += '\n'
- for child in node:
- if child.tag in (_x('ttml:br'), _x('ttaf1:br'), 'br'):
- out += '\n' + str_or_empty(child.tail)
- elif child.tag in (_x('ttml:span'), _x('ttaf1:span'), 'span'):
- out += str_or_empty(parse_node(child))
- else:
- out += str_or_empty(xml.etree.ElementTree.tostring(child))
+ def end(self, tag):
+ pass
- return out
+ def data(self, data):
+ self.out += data
- dfxp = xml.etree.ElementTree.fromstring(dfxp_data.encode('utf-8'))
+ def close(self):
+ return self.out.strip()
+
+ def parse_node(node):
+ target = TTMLPElementParser()
+ parser = xml.etree.ElementTree.XMLParser(target=target)
+ parser.feed(xml.etree.ElementTree.tostring(node))
+ return parser.close()
+
+ dfxp = compat_etree_fromstring(dfxp_data.encode('utf-8'))
out = []
paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall(_x('.//ttaf1:p')) or dfxp.findall('.//p')
raise ValueError('Invalid dfxp/TTML subtitle')
for para, index in zip(paras, itertools.count(1)):
- begin_time = parse_dfxp_time_expr(para.attrib['begin'])
+ begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
end_time = parse_dfxp_time_expr(para.attrib.get('end'))
+ dur = parse_dfxp_time_expr(para.attrib.get('dur'))
+ if begin_time is None:
+ continue
if not end_time:
- end_time = begin_time + parse_dfxp_time_expr(para.attrib['dur'])
+ if not dur:
+ continue
+ end_time = begin_time + dur
out.append('%d\n%s --> %s\n%s\n\n' % (
index,
srt_subtitles_timecode(begin_time),
return ''.join(out)
+def cli_option(params, command_option, param):
+ param = params.get(param)
+ return [command_option, param] if param is not None else []
+
+
+def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None):
+ param = params.get(param)
+ assert isinstance(param, bool)
+ if separator:
+ return [command_option + separator + (true_value if param else false_value)]
+ return [command_option, true_value if param else false_value]
+
+
+def cli_valueless_option(params, command_option, param, expected_value=True):
+ param = params.get(param)
+ return [command_option] if param == expected_value else []
+
+
+def cli_configuration_args(params, param, default=[]):
+ ex_args = params.get(param)
+ if ex_args is None:
+ return default
+ assert isinstance(ex_args, list)
+ return ex_args
+
+
class ISO639Utils(object):
# See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt
_lang_map = {
return short_name
+class ISO3166Utils(object):
+ # From http://data.okfn.org/data/core/country-list
+ _country_map = {
+ 'AF': 'Afghanistan',
+ 'AX': 'Åland Islands',
+ 'AL': 'Albania',
+ 'DZ': 'Algeria',
+ 'AS': 'American Samoa',
+ 'AD': 'Andorra',
+ 'AO': 'Angola',
+ 'AI': 'Anguilla',
+ 'AQ': 'Antarctica',
+ 'AG': 'Antigua and Barbuda',
+ 'AR': 'Argentina',
+ 'AM': 'Armenia',
+ 'AW': 'Aruba',
+ 'AU': 'Australia',
+ 'AT': 'Austria',
+ 'AZ': 'Azerbaijan',
+ 'BS': 'Bahamas',
+ 'BH': 'Bahrain',
+ 'BD': 'Bangladesh',
+ 'BB': 'Barbados',
+ 'BY': 'Belarus',
+ 'BE': 'Belgium',
+ 'BZ': 'Belize',
+ 'BJ': 'Benin',
+ 'BM': 'Bermuda',
+ 'BT': 'Bhutan',
+ 'BO': 'Bolivia, Plurinational State of',
+ 'BQ': 'Bonaire, Sint Eustatius and Saba',
+ 'BA': 'Bosnia and Herzegovina',
+ 'BW': 'Botswana',
+ 'BV': 'Bouvet Island',
+ 'BR': 'Brazil',
+ 'IO': 'British Indian Ocean Territory',
+ 'BN': 'Brunei Darussalam',
+ 'BG': 'Bulgaria',
+ 'BF': 'Burkina Faso',
+ 'BI': 'Burundi',
+ 'KH': 'Cambodia',
+ 'CM': 'Cameroon',
+ 'CA': 'Canada',
+ 'CV': 'Cape Verde',
+ 'KY': 'Cayman Islands',
+ 'CF': 'Central African Republic',
+ 'TD': 'Chad',
+ 'CL': 'Chile',
+ 'CN': 'China',
+ 'CX': 'Christmas Island',
+ 'CC': 'Cocos (Keeling) Islands',
+ 'CO': 'Colombia',
+ 'KM': 'Comoros',
+ 'CG': 'Congo',
+ 'CD': 'Congo, the Democratic Republic of the',
+ 'CK': 'Cook Islands',
+ 'CR': 'Costa Rica',
+ 'CI': 'Côte d\'Ivoire',
+ 'HR': 'Croatia',
+ 'CU': 'Cuba',
+ 'CW': 'Curaçao',
+ 'CY': 'Cyprus',
+ 'CZ': 'Czech Republic',
+ 'DK': 'Denmark',
+ 'DJ': 'Djibouti',
+ 'DM': 'Dominica',
+ 'DO': 'Dominican Republic',
+ 'EC': 'Ecuador',
+ 'EG': 'Egypt',
+ 'SV': 'El Salvador',
+ 'GQ': 'Equatorial Guinea',
+ 'ER': 'Eritrea',
+ 'EE': 'Estonia',
+ 'ET': 'Ethiopia',
+ 'FK': 'Falkland Islands (Malvinas)',
+ 'FO': 'Faroe Islands',
+ 'FJ': 'Fiji',
+ 'FI': 'Finland',
+ 'FR': 'France',
+ 'GF': 'French Guiana',
+ 'PF': 'French Polynesia',
+ 'TF': 'French Southern Territories',
+ 'GA': 'Gabon',
+ 'GM': 'Gambia',
+ 'GE': 'Georgia',
+ 'DE': 'Germany',
+ 'GH': 'Ghana',
+ 'GI': 'Gibraltar',
+ 'GR': 'Greece',
+ 'GL': 'Greenland',
+ 'GD': 'Grenada',
+ 'GP': 'Guadeloupe',
+ 'GU': 'Guam',
+ 'GT': 'Guatemala',
+ 'GG': 'Guernsey',
+ 'GN': 'Guinea',
+ 'GW': 'Guinea-Bissau',
+ 'GY': 'Guyana',
+ 'HT': 'Haiti',
+ 'HM': 'Heard Island and McDonald Islands',
+ 'VA': 'Holy See (Vatican City State)',
+ 'HN': 'Honduras',
+ 'HK': 'Hong Kong',
+ 'HU': 'Hungary',
+ 'IS': 'Iceland',
+ 'IN': 'India',
+ 'ID': 'Indonesia',
+ 'IR': 'Iran, Islamic Republic of',
+ 'IQ': 'Iraq',
+ 'IE': 'Ireland',
+ 'IM': 'Isle of Man',
+ 'IL': 'Israel',
+ 'IT': 'Italy',
+ 'JM': 'Jamaica',
+ 'JP': 'Japan',
+ 'JE': 'Jersey',
+ 'JO': 'Jordan',
+ 'KZ': 'Kazakhstan',
+ 'KE': 'Kenya',
+ 'KI': 'Kiribati',
+ 'KP': 'Korea, Democratic People\'s Republic of',
+ 'KR': 'Korea, Republic of',
+ 'KW': 'Kuwait',
+ 'KG': 'Kyrgyzstan',
+ 'LA': 'Lao People\'s Democratic Republic',
+ 'LV': 'Latvia',
+ 'LB': 'Lebanon',
+ 'LS': 'Lesotho',
+ 'LR': 'Liberia',
+ 'LY': 'Libya',
+ 'LI': 'Liechtenstein',
+ 'LT': 'Lithuania',
+ 'LU': 'Luxembourg',
+ 'MO': 'Macao',
+ 'MK': 'Macedonia, the Former Yugoslav Republic of',
+ 'MG': 'Madagascar',
+ 'MW': 'Malawi',
+ 'MY': 'Malaysia',
+ 'MV': 'Maldives',
+ 'ML': 'Mali',
+ 'MT': 'Malta',
+ 'MH': 'Marshall Islands',
+ 'MQ': 'Martinique',
+ 'MR': 'Mauritania',
+ 'MU': 'Mauritius',
+ 'YT': 'Mayotte',
+ 'MX': 'Mexico',
+ 'FM': 'Micronesia, Federated States of',
+ 'MD': 'Moldova, Republic of',
+ 'MC': 'Monaco',
+ 'MN': 'Mongolia',
+ 'ME': 'Montenegro',
+ 'MS': 'Montserrat',
+ 'MA': 'Morocco',
+ 'MZ': 'Mozambique',
+ 'MM': 'Myanmar',
+ 'NA': 'Namibia',
+ 'NR': 'Nauru',
+ 'NP': 'Nepal',
+ 'NL': 'Netherlands',
+ 'NC': 'New Caledonia',
+ 'NZ': 'New Zealand',
+ 'NI': 'Nicaragua',
+ 'NE': 'Niger',
+ 'NG': 'Nigeria',
+ 'NU': 'Niue',
+ 'NF': 'Norfolk Island',
+ 'MP': 'Northern Mariana Islands',
+ 'NO': 'Norway',
+ 'OM': 'Oman',
+ 'PK': 'Pakistan',
+ 'PW': 'Palau',
+ 'PS': 'Palestine, State of',
+ 'PA': 'Panama',
+ 'PG': 'Papua New Guinea',
+ 'PY': 'Paraguay',
+ 'PE': 'Peru',
+ 'PH': 'Philippines',
+ 'PN': 'Pitcairn',
+ 'PL': 'Poland',
+ 'PT': 'Portugal',
+ 'PR': 'Puerto Rico',
+ 'QA': 'Qatar',
+ 'RE': 'Réunion',
+ 'RO': 'Romania',
+ 'RU': 'Russian Federation',
+ 'RW': 'Rwanda',
+ 'BL': 'Saint Barthélemy',
+ 'SH': 'Saint Helena, Ascension and Tristan da Cunha',
+ 'KN': 'Saint Kitts and Nevis',
+ 'LC': 'Saint Lucia',
+ 'MF': 'Saint Martin (French part)',
+ 'PM': 'Saint Pierre and Miquelon',
+ 'VC': 'Saint Vincent and the Grenadines',
+ 'WS': 'Samoa',
+ 'SM': 'San Marino',
+ 'ST': 'Sao Tome and Principe',
+ 'SA': 'Saudi Arabia',
+ 'SN': 'Senegal',
+ 'RS': 'Serbia',
+ 'SC': 'Seychelles',
+ 'SL': 'Sierra Leone',
+ 'SG': 'Singapore',
+ 'SX': 'Sint Maarten (Dutch part)',
+ 'SK': 'Slovakia',
+ 'SI': 'Slovenia',
+ 'SB': 'Solomon Islands',
+ 'SO': 'Somalia',
+ 'ZA': 'South Africa',
+ 'GS': 'South Georgia and the South Sandwich Islands',
+ 'SS': 'South Sudan',
+ 'ES': 'Spain',
+ 'LK': 'Sri Lanka',
+ 'SD': 'Sudan',
+ 'SR': 'Suriname',
+ 'SJ': 'Svalbard and Jan Mayen',
+ 'SZ': 'Swaziland',
+ 'SE': 'Sweden',
+ 'CH': 'Switzerland',
+ 'SY': 'Syrian Arab Republic',
+ 'TW': 'Taiwan, Province of China',
+ 'TJ': 'Tajikistan',
+ 'TZ': 'Tanzania, United Republic of',
+ 'TH': 'Thailand',
+ 'TL': 'Timor-Leste',
+ 'TG': 'Togo',
+ 'TK': 'Tokelau',
+ 'TO': 'Tonga',
+ 'TT': 'Trinidad and Tobago',
+ 'TN': 'Tunisia',
+ 'TR': 'Turkey',
+ 'TM': 'Turkmenistan',
+ 'TC': 'Turks and Caicos Islands',
+ 'TV': 'Tuvalu',
+ 'UG': 'Uganda',
+ 'UA': 'Ukraine',
+ 'AE': 'United Arab Emirates',
+ 'GB': 'United Kingdom',
+ 'US': 'United States',
+ 'UM': 'United States Minor Outlying Islands',
+ 'UY': 'Uruguay',
+ 'UZ': 'Uzbekistan',
+ 'VU': 'Vanuatu',
+ 'VE': 'Venezuela, Bolivarian Republic of',
+ 'VN': 'Viet Nam',
+ 'VG': 'Virgin Islands, British',
+ 'VI': 'Virgin Islands, U.S.',
+ 'WF': 'Wallis and Futuna',
+ 'EH': 'Western Sahara',
+ 'YE': 'Yemen',
+ 'ZM': 'Zambia',
+ 'ZW': 'Zimbabwe',
+ }
+
+ @classmethod
+ def short2full(cls, code):
+ """Convert an ISO 3166-2 country code to the corresponding full name"""
+ return cls._country_map.get(code.upper())
+
+
class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
def __init__(self, proxies=None):
# Set default handlers
return None # No Proxy
return compat_urllib_request.ProxyHandler.proxy_open(
self, req, proxy, type)
+
+
+def ohdave_rsa_encrypt(data, exponent, modulus):
+ '''
+ Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/
+
+ Input:
+ data: data to encrypt, bytes-like object
+ exponent, modulus: parameter e and N of RSA algorithm, both integer
+ Output: hex string of encrypted data
+
+ Limitation: supports one block encryption only
+ '''
+
+ payload = int(binascii.hexlify(data[::-1]), 16)
+ encrypted = pow(payload, exponent, modulus)
+ return '%x' % encrypted
+
+
+def encode_base_n(num, n, table=None):
+ FULL_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
+ if not table:
+ table = FULL_TABLE[:n]
+
+ if n > len(table):
+ raise ValueError('base %d exceeds table length %d' % (n, len(table)))
+
+ if num == 0:
+ return table[0]
+
+ ret = ''
+ while num:
+ ret = table[num % n] + ret
+ num = num // n
+ return ret
+
+
+def decode_packed_codes(code):
+ mobj = re.search(
+ r"}\('(.+)',(\d+),(\d+),'([^']+)'\.split\('\|'\)",
+ code)
+ obfucasted_code, base, count, symbols = mobj.groups()
+ base = int(base)
+ count = int(count)
+ symbols = symbols.split('|')
+ symbol_table = {}
+
+ while count:
+ count -= 1
+ base_n_count = encode_base_n(count, base)
+ symbol_table[base_n_count] = symbols[count] or base_n_count
+
+ return re.sub(
+ r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)],
+ obfucasted_code)