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from __future__ import unicode_literals

import os
import re
import subprocess
import time

from .common import FileDownloader
from ..compat import compat_str
from ..utils import (
    check_executable,
    encodeFilename,
    encodeArgument,
    get_exe_version,
)


def rtmpdump_version():
    return get_exe_version(
        'rtmpdump', ['--help'], r'(?i)RTMPDump\s*v?([0-9a-zA-Z._-]+)')


class RtmpFD(FileDownloader):
    def real_download(self, filename, info_dict):
        def run_rtmpdump(args):
            start = time.time()
            resume_percent = None
            resume_downloaded_data_len = None
            proc = subprocess.Popen(args, stderr=subprocess.PIPE)
            cursor_in_new_line = True
            proc_stderr_closed = False
            try:
                while not proc_stderr_closed:
                    # read line from stderr
                    line = ''
                    while True:
                        char = proc.stderr.read(1)
                        if not char:
                            proc_stderr_closed = True
                            break
                        if char in [b'\r', b'\n']:
                            break
                        line += char.decode('ascii', 'replace')
                    if not line:
                        # proc_stderr_closed is True
                        continue
                    mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
                    if mobj:
                        downloaded_data_len = int(float(mobj.group(1)) * 1024)
                        percent = float(mobj.group(2))
                        if not resume_percent:
                            resume_percent = percent
                            resume_downloaded_data_len = downloaded_data_len
                        time_now = time.time()
                        eta = self.calc_eta(start, time_now, 100 - resume_percent, percent - resume_percent)
                        speed = self.calc_speed(start, time_now, downloaded_data_len - resume_downloaded_data_len)
                        data_len = None
                        if percent > 0:
                            data_len = int(downloaded_data_len * 100 / percent)
                        self._hook_progress({
                            'status': 'downloading',
                            'downloaded_bytes': downloaded_data_len,
                            'total_bytes_estimate': data_len,
                            'tmpfilename': tmpfilename,
                            'filename': filename,
                            'eta': eta,
                            'elapsed': time_now - start,
                            'speed': speed,
                        })
                        cursor_in_new_line = False
                    else:
                        # no percent for live streams
                        mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
                        if mobj:
                            downloaded_data_len = int(float(mobj.group(1)) * 1024)
                            time_now = time.time()
                            speed = self.calc_speed(start, time_now, downloaded_data_len)
                            self._hook_progress({
                                'downloaded_bytes': downloaded_data_len,
                                'tmpfilename': tmpfilename,
                                'filename': filename,
                                'status': 'downloading',
                                'elapsed': time_now - start,
                                'speed': speed,
                            })
                            cursor_in_new_line = False
                        elif self.params.get('verbose', False):
                            if not cursor_in_new_line:
                                self.to_screen('')
                            cursor_in_new_line = True
                            self.to_screen('[rtmpdump] ' + line)
            finally:
                proc.wait()
            if not cursor_in_new_line:
                self.to_screen('')
            return proc.returncode

        url = info_dict['url']
        player_url = info_dict.get('player_url')
        page_url = info_dict.get('page_url')
        app = info_dict.get('app')
        play_path = info_dict.get('play_path')
        tc_url = info_dict.get('tc_url')
        flash_version = info_dict.get('flash_version')
        live = info_dict.get('rtmp_live', False)
        conn = info_dict.get('rtmp_conn')
        protocol = info_dict.get('rtmp_protocol')
        real_time = info_dict.get('rtmp_real_time', False)
        no_resume = info_dict.get('no_resume', False)
        continue_dl = self.params.get('continuedl', True)

        self.report_destination(filename)
        tmpfilename = self.temp_name(filename)
        test = self.params.get('test', False)

        # Check for rtmpdump first
        if not check_executable('rtmpdump', ['-h']):
            self.report_error('RTMP download detected but "rtmpdump" could not be run. Please install it.')
            return False

        # Download using rtmpdump. rtmpdump returns exit code 2 when
        # the connection was interrupted and resuming appears to be
        # possible. This is part of rtmpdump's normal usage, AFAIK.
        basic_args = [
            'rtmpdump', '--verbose', '-r', url,
            '-o', tmpfilename]
        if player_url is not None:
            basic_args += ['--swfVfy', player_url]
        if page_url is not None:
            basic_args += ['--pageUrl', page_url]
        if app is not None:
            basic_args += ['--app', app]
        if play_path is not None:
            basic_args += ['--playpath', play_path]
        if tc_url is not None:
            basic_args += ['--tcUrl', tc_url]
        if test:
            basic_args += ['--stop', '1']
        if flash_version is not None:
            basic_args += ['--flashVer', flash_version]
        if live:
            basic_args += ['--live']
        if isinstance(conn, list):
            for entry in conn:
                basic_args += ['--conn', entry]
        elif isinstance(conn, compat_str):
            basic_args += ['--conn', conn]
        if protocol is not None:
            basic_args += ['--protocol', protocol]
        if real_time:
            basic_args += ['--realtime']

        args = basic_args
        if not no_resume and continue_dl and not live:
            args += ['--resume']
        if not live and continue_dl:
            args += ['--skip', '1']

        args = [encodeArgument(a) for a in args]

        self._debug_cmd(args, exe='rtmpdump')

        RD_SUCCESS = 0
        RD_FAILED = 1
        RD_INCOMPLETE = 2
        RD_NO_CONNECT = 3

        started = time.time()

        try:
            retval = run_rtmpdump(args)
        except KeyboardInterrupt:
            if not info_dict.get('is_live'):
                raise
            retval = RD_SUCCESS
            self.to_screen('\n[rtmpdump] Interrupted by user')

        if retval == RD_NO_CONNECT:
            self.report_error('[rtmpdump] Could not connect to RTMP server.')
            return False

        while retval in (RD_INCOMPLETE, RD_FAILED) and not test and not live:
            prevsize = os.path.getsize(encodeFilename(tmpfilename))
            self.to_screen('[rtmpdump] Downloaded %s bytes' % prevsize)
            time.sleep(5.0)  # This seems to be needed
            args = basic_args + ['--resume']
            if retval == RD_FAILED:
                args += ['--skip', '1']
            args = [encodeArgument(a) for a in args]
            retval = run_rtmpdump(args)
            cursize = os.path.getsize(encodeFilename(tmpfilename))
            if prevsize == cursize and retval == RD_FAILED:
                break
            # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
            if prevsize == cursize and retval == RD_INCOMPLETE and cursize > 1024:
                self.to_screen('[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
                retval = RD_SUCCESS
                break
        if retval == RD_SUCCESS or (test and retval == RD_INCOMPLETE):
            fsize = os.path.getsize(encodeFilename(tmpfilename))
            self.to_screen('[rtmpdump] Downloaded %s bytes' % fsize)
            self.try_rename(tmpfilename, filename)
            self._hook_progress({
                'downloaded_bytes': fsize,
                'total_bytes': fsize,
                'filename': filename,
                'status': 'finished',
                'elapsed': time.time() - started,
            })
            return True
        else:
            self.to_stderr('\n')
            self.report_error('rtmpdump exited with code %d' % retval)
            return False

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 2755
__init__.py File 1.54 KB 0644
common.py File 14.43 KB 0644
dash.py File 3.13 KB 0644
external.py File 13.57 KB 0644
f4m.py File 15.07 KB 0644
fragment.py File 10.7 KB 0644
hls.py File 9.94 KB 0644
http.py File 15.78 KB 0644
ism.py File 10.32 KB 0644
rtmp.py File 8.68 KB 0644
rtsp.py File 1.52 KB 0644