- """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 in req.headers:
+ del req.headers[h]
+ 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']
+ 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 unified_strdate(date_str):
+ """Return a string with the date in the format YYYYMMDD"""
+ 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' (\+|-)[\d]*$', '', date_str)
+ format_expressions = [
+ '%d %B %Y',
+ '%B %d %Y',
+ '%b %d %Y',
+ '%Y-%m-%d',
+ '%d/%m/%Y',
+ '%Y/%m/%d %H:%M:%S',
+ '%d.%m.%Y %H:%M',
+ '%Y-%m-%dT%H:%M:%SZ',
+ '%Y-%m-%dT%H:%M:%S',
+ ]
+ for expression in format_expressions:
+ try:
+ upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
+ except:
+ pass
+ return upload_date
+
+def determine_ext(url, default_ext=u'unknown_video'):
+ guess = url.partition(u'?')[0].rpartition(u'.')[2]
+ if re.match(r'^[A-Za-z0-9]+$', guess):
+ return guess
+ else:
+ return default_ext
+
+def subtitles_filename(filename, sub_lang, sub_format):
+ return filename.rsplit('.', 1)[0] + u'.' + sub_lang + u'.' + 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()
+
+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 write_string(s, out=None):
+ if out is None:
+ out = sys.stderr
+ assert type(s) == type(u'')
+
+ if ('b' in getattr(out, 'mode', '') or
+ sys.version_info[0] < 3): # Python 2 lies about mode of sys.stderr
+ s = s.encode(preferredencoding(), 'ignore')
+ 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''
+ if isinstance(chr(0), bytes): # Python 2
+ return ''.join([chr(x) for x in xs])
+ else:
+ 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 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.lockf(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
+
+ def _unlock_file(f):
+ fcntl.lockf(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 shell_quote(args):
+ return ' '.join(map(pipes.quote, 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(
+ {u'__youtubedl_smuggle': json.dumps(data)})
+ return url + u'#' + sdata
+
+
+def unsmuggle_url(smug_url):
+ if not '#__youtubedl_smuggle' in smug_url:
+ return smug_url, None
+ url, _, sdata = smug_url.rpartition(u'#')
+ jsond = compat_parse_qs(sdata)[u'__youtubedl_smuggle'][0]
+ data = json.loads(jsond)
+ return url, data
Rapsys Git / youtubedl / blobdiff