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178 lines
7.6 KiB
178 lines
7.6 KiB
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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play_path = info_dict.get('play_path', None) |
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tc_url = info_dict.get('tc_url', 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 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 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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