import struct
import subprocess
import sys
+import tempfile
import traceback
import xml.etree.ElementTree
import zlib
compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w')
try:
- from urllib.parse import parse_qs as compat_parse_qs
-except ImportError: # Python 2
- # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
- # Python 2's version is apparently totally broken
- def _unquote(string, encoding='utf-8', errors='replace'):
+ from urllib.parse import unquote as compat_urllib_parse_unquote
+except ImportError:
+ def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
if string == '':
return string
res = string.split('%')
string += pct_sequence.decode(encoding, errors)
return string
+
+try:
+ from urllib.parse import parse_qs as compat_parse_qs
+except ImportError: # Python 2
+ # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
+ # Python 2's version is apparently totally broken
+
def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
encoding='utf-8', errors='replace'):
qs, _coerce_result = qs, unicode
continue
if len(nv[1]) or keep_blank_values:
name = nv[0].replace('+', ' ')
- name = _unquote(name, encoding=encoding, errors=errors)
+ name = compat_urllib_parse_unquote(
+ name, encoding=encoding, errors=errors)
name = _coerce_result(name)
value = nv[1].replace('+', ' ')
- value = _unquote(value, encoding=encoding, errors=errors)
+ value = compat_urllib_parse_unquote(
+ value, encoding=encoding, errors=errors)
value = _coerce_result(value)
r.append((name, value))
return r
except ImportError: # Python 2.6
from xml.parsers.expat import ExpatError as compat_xml_parse_error
+try:
+ from shlex import quote as shlex_quote
+except ImportError: # Python < 3.3
+ def shlex_quote(s):
+ return "'" + s.replace("'", "'\"'\"'") + "'"
+
+
def compat_ord(c):
if type(c) is int: return c
else: return ord(c)
+
+if sys.version_info >= (3, 0):
+ compat_getenv = os.getenv
+ compat_expanduser = os.path.expanduser
+else:
+ # Environment variables should be decoded with filesystem encoding.
+ # Otherwise it will fail if any non-ASCII characters present (see #3854 #3217 #2918)
+
+ def compat_getenv(key, default=None):
+ env = os.getenv(key, default)
+ if env:
+ env = env.decode(get_filesystem_encoding())
+ return env
+
+ # HACK: The default implementations of os.path.expanduser from cpython do not decode
+ # environment variables with filesystem encoding. We will work around this by
+ # providing adjusted implementations.
+ # The following are os.path.expanduser implementations from cpython 2.7.8 stdlib
+ # for different platforms with correct environment variables decoding.
+
+ if os.name == 'posix':
+ def compat_expanduser(path):
+ """Expand ~ and ~user constructions. If user or $HOME is unknown,
+ do nothing."""
+ if not path.startswith('~'):
+ return path
+ i = path.find('/', 1)
+ if i < 0:
+ i = len(path)
+ if i == 1:
+ if 'HOME' not in os.environ:
+ import pwd
+ userhome = pwd.getpwuid(os.getuid()).pw_dir
+ else:
+ userhome = compat_getenv('HOME')
+ else:
+ import pwd
+ try:
+ pwent = pwd.getpwnam(path[1:i])
+ except KeyError:
+ return path
+ userhome = pwent.pw_dir
+ userhome = userhome.rstrip('/')
+ return (userhome + path[i:]) or '/'
+ elif os.name == 'nt' or os.name == 'ce':
+ def compat_expanduser(path):
+ """Expand ~ and ~user constructs.
+
+ If user or $HOME is unknown, do nothing."""
+ if path[:1] != '~':
+ return path
+ i, n = 1, len(path)
+ while i < n and path[i] not in '/\\':
+ i = i + 1
+
+ if 'HOME' in os.environ:
+ userhome = compat_getenv('HOME')
+ elif 'USERPROFILE' in os.environ:
+ userhome = compat_getenv('USERPROFILE')
+ elif not 'HOMEPATH' in os.environ:
+ return path
+ else:
+ try:
+ drive = compat_getenv('HOMEDRIVE')
+ except KeyError:
+ drive = ''
+ userhome = os.path.join(drive, compat_getenv('HOMEPATH'))
+
+ if i != 1: #~user
+ userhome = os.path.join(os.path.dirname(userhome), path[1:i])
+
+ return userhome + path[i:]
+ else:
+ compat_expanduser = os.path.expanduser
+
+
# This is not clearly defined otherwise
compiled_regex_type = type(re.compile(''))
assert type(s) == type(u'')
print(s)
-# In Python 2.x, json.dump expects a bytestream.
-# In Python 3.x, it writes to a character stream
-if sys.version_info < (3,0):
- def write_json_file(obj, fn):
- with open(fn, 'wb') as f:
- json.dump(obj, f)
-else:
- def write_json_file(obj, fn):
- with open(fn, 'w', encoding='utf-8') as f:
- json.dump(obj, f)
-if sys.version_info >= (2,7):
+def write_json_file(obj, fn):
+ """ Encode obj as JSON and write it to fn, atomically """
+
+ args = {
+ 'suffix': '.tmp',
+ 'prefix': os.path.basename(fn) + '.',
+ 'dir': os.path.dirname(fn),
+ 'delete': False,
+ }
+
+ # In Python 2.x, json.dump expects a bytestream.
+ # In Python 3.x, it writes to a character stream
+ if sys.version_info < (3, 0):
+ args['mode'] = 'wb'
+ else:
+ args.update({
+ 'mode': 'w',
+ 'encoding': 'utf-8',
+ })
+
+ tf = tempfile.NamedTemporaryFile(**args)
+
+ try:
+ with tf:
+ json.dump(obj, tf)
+ os.rename(tf.name, fn)
+ except:
+ try:
+ os.remove(tf.name)
+ except OSError:
+ pass
+ raise
+
+
+if sys.version_info >= (2, 7):
def find_xpath_attr(node, xpath, key, val):
""" Find the xpath xpath[@key=val] """
- assert re.match(r'^[a-zA-Z]+$', key)
- assert re.match(r'^[a-zA-Z0-9@\s:._]*$', val)
+ assert re.match(r'^[a-zA-Z-]+$', key)
+ assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
expr = xpath + u"[@%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
replaced.append('{%s}%s' % (ns_map[ns], tag))
return '/'.join(replaced)
-def htmlentity_transform(matchobj):
- """Transforms an HTML entity to a character.
- This function receives a match object and is intended to be used with
- the re.sub() function.
- """
- entity = matchobj.group(1)
+def xpath_text(node, xpath, name=None, fatal=False):
+ if sys.version_info < (2, 7): # Crazy 2.6
+ xpath = xpath.encode('ascii')
- # Known non-numeric HTML entity
- if entity in compat_html_entities.name2codepoint:
- return compat_chr(compat_html_entities.name2codepoint[entity])
-
- mobj = re.match(u'(?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
+ 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:
- base = 10
- return compat_chr(int(numstr, base))
+ return None
+ return n.text
- # Unknown entity in name, return its literal representation
- return (u'&%s;' % entity)
compat_html_parser.locatestarttagend = re.compile(r"""<[a-zA-Z][-.a-zA-Z0-9:_]*(?:\s+(?:(?<=['"\s])[^\s/>][^\s/=>]*(?:\s*=+\s*(?:'[^']*'|"[^"]*"|(?!['"])[^>\s]*))?\s*)*)?\s*""", re.VERBOSE) # backport bugfix
class BaseHTMLParser(compat_html_parser.HTMLParser):
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(u'x'):
+ base = 16
+ numstr = u'0%s' % numstr
+ else:
+ base = 10
+ return compat_chr(int(numstr, base))
+
+ # Unknown entity in name, return its literal representation
+ return (u'&%s;' % entity)
+
+
def unescapeHTML(s):
if s is None:
return None
assert type(s) == compat_str
- result = re.sub(r'(?u)&(.+?);', htmlentity_transform, s)
- return result
+ return re.sub(
+ r'&([^;]+);', lambda m: _htmlentity_transform(m.group(1)), s)
def encodeFilename(s, for_subprocess=False):
self.sock = sock
self._tunnel()
try:
- self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ssl_version=ssl.PROTOCOL_SSLv3)
+ 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)
def https_open(self, req):
return self.do_open(HTTPSConnectionV3, req)
return HTTPSHandlerV3(**kwargs)
- else:
- context = ssl.SSLContext(ssl.PROTOCOL_SSLv3)
+ 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)
expected = True
if video_id is not None:
msg = video_id + ': ' + msg
+ if cause:
+ msg += u' (caused by %r)' % cause
if not expected:
msg = msg + u'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.'
super(ExtractorError, self).__init__(msg)
return ret
def http_request(self, req):
- for h,v in std_headers.items():
- if h in req.headers:
- del req.headers[h]
- req.add_header(h, v)
+ 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['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):
'%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',
return upload_date
def determine_ext(url, default_ext=u'unknown_video'):
+ if url is None:
+ return default_ext
guess = url.partition(u'?')[0].rpartition(u'.')[2]
if re.match(r'^[A-Za-z0-9]+$', guess):
return guess
return bytes(xs)
-def get_cachedir(params={}):
- cache_root = os.environ.get('XDG_CACHE_HOME',
- os.path.expanduser('~/.cache'))
- return params.get('cachedir', os.path.join(cache_root, 'youtube-dl'))
-
-
# Cross-platform file locking
if sys.platform == 'win32':
import ctypes.wintypes
import fcntl
def _lock_file(f, exclusive):
- fcntl.lockf(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
+ fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
def _unlock_file(f):
- fcntl.lockf(f, fcntl.LOCK_UN)
+ fcntl.flock(f, fcntl.LOCK_UN)
class locked_file(object):
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 = sys.getfilesystemencoding()
- if encoding is None:
- encoding = 'utf-8'
+ encoding = get_filesystem_encoding()
for a in args:
if isinstance(a, bytes):
# We may get a filename encoded with 'encodeFilename'
def get_term_width():
- columns = os.environ.get('COLUMNS', None)
+ columns = compat_getenv('COLUMNS', None)
if columns:
return int(columns)
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(u'/').split(u'/')[-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'[,\.]', u'', int_str)
+ int_str = re.sub(r'[,\.\+]', u'', int_str)
return int(int_str)
if s is None:
return None
+ s = s.strip()
+
m = re.match(
- r'(?:(?:(?P<hours>[0-9]+)[:h])?(?P<mins>[0-9]+)[:m])?(?P<secs>[0-9]+)s?(?::[0-9]+)?$', s)
+ r'(?i)(?:(?:(?P<hours>[0-9]+)\s*(?:[:h]|hours?)\s*)?(?P<mins>[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*)?(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*(?:s|secs?|seconds?)?$', s)
if not m:
return None
res = int(m.group('secs'))
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
class PagedList(object):
- def __init__(self, pagefunc, pagesize):
- self._pagefunc = pagefunc
- self._pagesize = pagesize
-
def __len__(self):
# This is only useful for tests
return len(self.getslice())
+
+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):
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(
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, "%/;:@&=+$,!~*'()?#[]")
+
+
+def escape_url(url):
+ """Escape URL as suggested by RFC 3986"""
+ url_parsed = compat_urllib_parse_urlparse(url)
+ return url_parsed._replace(
+ path=escape_rfc3986(url_parsed.path),
+ params=escape_rfc3986(url_parsed.params),
+ query=escape_rfc3986(url_parsed.query),
+ fragment=escape_rfc3986(url_parsed.fragment)
+ ).geturl()
+
try:
struct.pack(u'!I', 0)
except TypeError:
return compat_urllib_parse.urlencode(*args, **kargs).encode('ascii')
+try:
+ etree_iter = xml.etree.ElementTree.Element.iter
+except AttributeError: # Python <=2.6
+ etree_iter = lambda n: n.findall('.//*')
+
+
def parse_xml(s):
class TreeBuilder(xml.etree.ElementTree.TreeBuilder):
def doctype(self, name, pubid, system):
parser = xml.etree.ElementTree.XMLParser(target=TreeBuilder())
kwargs = {'parser': parser} if sys.version_info >= (2, 7) else {}
- return xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
+ tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
+ # Fix up XML parser in Python 2.x
+ if sys.version_info < (3, 0):
+ for n in etree_iter(tree):
+ if n.text is not None:
+ if not isinstance(n.text, compat_str):
+ n.text = n.text.decode('utf-8')
+ return tree
if sys.version_info < (3, 0) and sys.platform == 'win32':
}
+def parse_age_limit(s):
+ if s is None:
+ return None
+ m = re.match(r'^(?P<age>\d{1,2})\+?$', 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*?\s*$', 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):
if ret:
raise subprocess.CalledProcessError(ret, p.args, output=output)
return output
+
+
+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
projects / youtube-dl / blobdiff