mirror of
https://codeberg.org/polarisfm/youtube-dl
synced 2024-12-24 15:27:55 +01:00
185 lines
7.9 KiB
Python
185 lines
7.9 KiB
Python
import os
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import re
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import subprocess
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import sys
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import time
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from .common import FileDownloader
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from ..utils import (
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encodeFilename,
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format_bytes,
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)
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class RtmpFD(FileDownloader):
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def real_download(self, filename, info_dict):
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def run_rtmpdump(args):
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start = time.time()
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resume_percent = None
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resume_downloaded_data_len = None
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proc = subprocess.Popen(args, stderr=subprocess.PIPE)
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cursor_in_new_line = True
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proc_stderr_closed = False
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while not proc_stderr_closed:
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# read line from stderr
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line = u''
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while True:
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char = proc.stderr.read(1)
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if not char:
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proc_stderr_closed = True
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break
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if char in [b'\r', b'\n']:
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break
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line += char.decode('ascii', 'replace')
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if not line:
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# proc_stderr_closed is True
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continue
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1))*1024)
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percent = float(mobj.group(2))
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if not resume_percent:
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resume_percent = percent
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resume_downloaded_data_len = downloaded_data_len
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eta = self.calc_eta(start, time.time(), 100-resume_percent, percent-resume_percent)
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speed = self.calc_speed(start, time.time(), downloaded_data_len-resume_downloaded_data_len)
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data_len = None
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if percent > 0:
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data_len = int(downloaded_data_len * 100 / percent)
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data_len_str = u'~' + format_bytes(data_len)
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self.report_progress(percent, data_len_str, speed, eta)
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cursor_in_new_line = False
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self._hook_progress({
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'downloaded_bytes': downloaded_data_len,
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'total_bytes': data_len,
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'tmpfilename': tmpfilename,
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'filename': filename,
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'status': 'downloading',
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'eta': eta,
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'speed': speed,
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})
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else:
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# no percent for live streams
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mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
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if mobj:
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downloaded_data_len = int(float(mobj.group(1))*1024)
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time_now = time.time()
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speed = self.calc_speed(start, time_now, downloaded_data_len)
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self.report_progress_live_stream(downloaded_data_len, speed, time_now - start)
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cursor_in_new_line = False
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self._hook_progress({
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'downloaded_bytes': downloaded_data_len,
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'tmpfilename': tmpfilename,
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'filename': filename,
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'status': 'downloading',
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'speed': speed,
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})
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elif self.params.get('verbose', False):
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if not cursor_in_new_line:
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self.to_screen(u'')
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cursor_in_new_line = True
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self.to_screen(u'[rtmpdump] '+line)
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proc.wait()
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if not cursor_in_new_line:
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self.to_screen(u'')
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return proc.returncode
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url = info_dict['url']
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player_url = info_dict.get('player_url', None)
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page_url = info_dict.get('page_url', None)
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app = info_dict.get('app', None)
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play_path = info_dict.get('play_path', None)
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tc_url = info_dict.get('tc_url', None)
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flash_version = info_dict.get('flash_version', None)
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live = info_dict.get('rtmp_live', False)
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conn = info_dict.get('rtmp_conn', None)
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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test = self.params.get('test', False)
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# Check for rtmpdump first
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try:
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subprocess.call(['rtmpdump', '-h'], stdout=(open(os.path.devnull, 'w')), stderr=subprocess.STDOUT)
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except (OSError, IOError):
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self.report_error(u'RTMP download detected but "rtmpdump" could not be run')
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return False
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# Download using rtmpdump. rtmpdump returns exit code 2 when
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# the connection was interrumpted and resuming appears to be
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# possible. This is part of rtmpdump's normal usage, AFAIK.
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basic_args = ['rtmpdump', '--verbose', '-r', url, '-o', tmpfilename]
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if player_url is not None:
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basic_args += ['--swfVfy', player_url]
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if page_url is not None:
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basic_args += ['--pageUrl', page_url]
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if app is not None:
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basic_args += ['--app', app]
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if play_path is not None:
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basic_args += ['--playpath', play_path]
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if tc_url is not None:
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basic_args += ['--tcUrl', url]
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if test:
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basic_args += ['--stop', '1']
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if flash_version is not None:
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basic_args += ['--flashVer', flash_version]
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if live:
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basic_args += ['--live']
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if conn:
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basic_args += ['--conn', conn]
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args = basic_args + [[], ['--resume', '--skip', '1']][self.params.get('continuedl', False)]
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if sys.platform == 'win32' and sys.version_info < (3, 0):
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# Windows subprocess module does not actually support Unicode
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# on Python 2.x
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# See http://stackoverflow.com/a/9951851/35070
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subprocess_encoding = sys.getfilesystemencoding()
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args = [a.encode(subprocess_encoding, 'ignore') for a in args]
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else:
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subprocess_encoding = None
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if self.params.get('verbose', False):
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if subprocess_encoding:
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str_args = [
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a.decode(subprocess_encoding) if isinstance(a, bytes) else a
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for a in args]
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else:
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str_args = args
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try:
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import pipes
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shell_quote = lambda args: ' '.join(map(pipes.quote, str_args))
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except ImportError:
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shell_quote = repr
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self.to_screen(u'[debug] rtmpdump command line: ' + shell_quote(str_args))
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retval = run_rtmpdump(args)
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while (retval == 2 or retval == 1) and not test:
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prevsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen(u'[rtmpdump] %s bytes' % prevsize)
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time.sleep(5.0) # This seems to be needed
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retval = run_rtmpdump(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
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cursize = os.path.getsize(encodeFilename(tmpfilename))
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if prevsize == cursize and retval == 1:
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break
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# Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
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if prevsize == cursize and retval == 2 and cursize > 1024:
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self.to_screen(u'[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
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retval = 0
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break
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if retval == 0 or (test and retval == 2):
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fsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen(u'[rtmpdump] %s bytes' % fsize)
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self.try_rename(tmpfilename, filename)
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self._hook_progress({
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'downloaded_bytes': fsize,
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'total_bytes': fsize,
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'filename': filename,
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'status': 'finished',
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})
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return True
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else:
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self.to_stderr(u"\n")
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self.report_error(u'rtmpdump exited with code %d' % retval)
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return False
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