aboutsummaryrefslogtreecommitdiff
path: root/youtube_dl/utils.py
diff options
context:
space:
mode:
Diffstat (limited to 'youtube_dl/utils.py')
-rw-r--r--youtube_dl/utils.py184
1 files changed, 155 insertions, 29 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index dce67de8a..9fd0ec8d5 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -4,6 +4,7 @@
from __future__ import unicode_literals
import base64
+import binascii
import calendar
import codecs
import contextlib
@@ -56,7 +57,7 @@ from .compat import (
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',
@@ -159,8 +160,6 @@ if sys.version_info >= (2, 7):
def find_xpath_attr(node, xpath, key, val=None):
""" Find the xpath xpath[@key=val] """
assert re.match(r'^[a-zA-Z_-]+$', key)
- if val:
- assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))
return node.find(expr)
else:
@@ -248,7 +247,7 @@ def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
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):
@@ -466,6 +465,10 @@ def encodeFilename(s, for_subprocess=False):
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')
@@ -904,9 +907,9 @@ 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',
@@ -994,7 +997,7 @@ def date_from_str(date_str):
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):
@@ -1074,22 +1077,22 @@ def _windows_write_string(s, out):
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):
@@ -1216,13 +1219,23 @@ if sys.platform == 'win32':
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):
@@ -1303,6 +1316,17 @@ def format_bytes(bytes):
return '%.2f%s' % (converted, suffix)
+def lookup_unit_table(unit_table, s):
+ 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
+ num_str = m.group('num').replace(',', '.')
+ mult = unit_table[m.group('unit')]
+ return int(float(num_str) * mult)
+
+
def parse_filesize(s):
if s is None:
return None
@@ -1346,15 +1370,28 @@ def parse_filesize(s):
'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 lookup_unit_table(_UNIT_TABLE, s)
+
+
+def parse_count(s):
+ if s is None:
return None
- num_str = m.group('num').replace(',', '.')
- mult = _UNIT_TABLE[m.group('unit')]
- return int(float(num_str) * mult)
+ s = s.strip()
+
+ if re.match(r'^[\d,.]+$', s):
+ return str_to_int(s)
+
+ _UNIT_TABLE = {
+ 'k': 1000,
+ 'K': 1000,
+ 'm': 1000 ** 2,
+ 'M': 1000 ** 2,
+ 'kk': 1000 ** 2,
+ 'KK': 1000 ** 2,
+ }
+
+ return lookup_unit_table(_UNIT_TABLE, s)
def month_by_name(name):
@@ -1386,8 +1423,14 @@ def fix_xml_ampersands(xml_str):
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')
@@ -1427,7 +1470,7 @@ def url_basename(url):
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):
@@ -1569,9 +1612,12 @@ class PagedList(object):
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 = []
@@ -1581,7 +1627,13 @@ class OnDemandPagedList(PagedList):
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
@@ -1711,6 +1763,15 @@ def urlencode_postdata(*args, **kargs):
return compat_urllib_parse.urlencode(*args, **kargs).encode('ascii')
+def update_url_query(url, query):
+ parsed_url = compat_urlparse.urlparse(url)
+ qs = compat_parse_qs(parsed_url.query)
+ qs.update(query)
+ qs = encode_dict(qs)
+ return compat_urlparse.urlunparse(parsed_url._replace(
+ query=compat_urllib_parse.urlencode(qs, True)))
+
+
def encode_dict(d, encoding='utf-8'):
def encode(v):
return v.encode(encoding) if isinstance(v, compat_basestring) else v
@@ -1744,7 +1805,7 @@ 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)
+ return int(m.group('age')) if m else US_RATINGS.get(s)
def strip_jsonp(code):
@@ -1835,11 +1896,21 @@ def error_to_compat_str(err):
def mimetype2ext(mt):
+ ext = {
+ 'audio/mp4': 'm4a',
+ }.get(mt)
+ if ext is not None:
+ return ext
+
_, _, res = mt.rpartition('/')
return {
'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',
@@ -2582,3 +2653,58 @@ class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
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)
generated by cgit v1.2.3 (git 2.26.2) at 2025-10-31 18:14:58 +0000