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[youtubedl] / youtube_dl / downloader / rtmp.py
1 from __future__ import unicode_literals
2
3 import os
4 import re
5 import subprocess
6 import sys
7 import time
8
9 from .common import FileDownloader
10 from ..compat import compat_str
11 from ..utils import (
12 check_executable,
13 encodeFilename,
14 format_bytes,
15 get_exe_version,
16 )
17
18
19 def rtmpdump_version():
20 return get_exe_version(
21 'rtmpdump', ['--help'], r'(?i)RTMPDump\s*v?([0-9a-zA-Z._-]+)')
22
23
24 class RtmpFD(FileDownloader):
25 def real_download(self, filename, info_dict):
26 def run_rtmpdump(args):
27 start = time.time()
28 resume_percent = None
29 resume_downloaded_data_len = None
30 proc = subprocess.Popen(args, stderr=subprocess.PIPE)
31 cursor_in_new_line = True
32 proc_stderr_closed = False
33 while not proc_stderr_closed:
34 # read line from stderr
35 line = ''
36 while True:
37 char = proc.stderr.read(1)
38 if not char:
39 proc_stderr_closed = True
40 break
41 if char in [b'\r', b'\n']:
42 break
43 line += char.decode('ascii', 'replace')
44 if not line:
45 # proc_stderr_closed is True
46 continue
47 mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec \(([0-9]{1,2}\.[0-9])%\)', line)
48 if mobj:
49 downloaded_data_len = int(float(mobj.group(1)) * 1024)
50 percent = float(mobj.group(2))
51 if not resume_percent:
52 resume_percent = percent
53 resume_downloaded_data_len = downloaded_data_len
54 eta = self.calc_eta(start, time.time(), 100 - resume_percent, percent - resume_percent)
55 speed = self.calc_speed(start, time.time(), downloaded_data_len - resume_downloaded_data_len)
56 data_len = None
57 if percent > 0:
58 data_len = int(downloaded_data_len * 100 / percent)
59 data_len_str = '~' + format_bytes(data_len)
60 self.report_progress(percent, data_len_str, speed, eta)
61 cursor_in_new_line = False
62 self._hook_progress({
63 'downloaded_bytes': downloaded_data_len,
64 'total_bytes': data_len,
65 'tmpfilename': tmpfilename,
66 'filename': filename,
67 'status': 'downloading',
68 'eta': eta,
69 'speed': speed,
70 })
71 else:
72 # no percent for live streams
73 mobj = re.search(r'([0-9]+\.[0-9]{3}) kB / [0-9]+\.[0-9]{2} sec', line)
74 if mobj:
75 downloaded_data_len = int(float(mobj.group(1)) * 1024)
76 time_now = time.time()
77 speed = self.calc_speed(start, time_now, downloaded_data_len)
78 self.report_progress_live_stream(downloaded_data_len, speed, time_now - start)
79 cursor_in_new_line = False
80 self._hook_progress({
81 'downloaded_bytes': downloaded_data_len,
82 'tmpfilename': tmpfilename,
83 'filename': filename,
84 'status': 'downloading',
85 'speed': speed,
86 })
87 elif self.params.get('verbose', False):
88 if not cursor_in_new_line:
89 self.to_screen('')
90 cursor_in_new_line = True
91 self.to_screen('[rtmpdump] ' + line)
92 proc.wait()
93 if not cursor_in_new_line:
94 self.to_screen('')
95 return proc.returncode
96
97 url = info_dict['url']
98 player_url = info_dict.get('player_url', None)
99 page_url = info_dict.get('page_url', None)
100 app = info_dict.get('app', None)
101 play_path = info_dict.get('play_path', None)
102 tc_url = info_dict.get('tc_url', None)
103 flash_version = info_dict.get('flash_version', None)
104 live = info_dict.get('rtmp_live', False)
105 conn = info_dict.get('rtmp_conn', None)
106 protocol = info_dict.get('rtmp_protocol', None)
107 real_time = info_dict.get('rtmp_real_time', False)
108 no_resume = info_dict.get('no_resume', False)
109 continue_dl = info_dict.get('continuedl', False)
110
111 self.report_destination(filename)
112 tmpfilename = self.temp_name(filename)
113 test = self.params.get('test', False)
114
115 # Check for rtmpdump first
116 if not check_executable('rtmpdump', ['-h']):
117 self.report_error('RTMP download detected but "rtmpdump" could not be run. Please install it.')
118 return False
119
120 # Download using rtmpdump. rtmpdump returns exit code 2 when
121 # the connection was interrumpted and resuming appears to be
122 # possible. This is part of rtmpdump's normal usage, AFAIK.
123 basic_args = ['rtmpdump', '--verbose', '-r', url, '-o', tmpfilename]
124 if player_url is not None:
125 basic_args += ['--swfVfy', player_url]
126 if page_url is not None:
127 basic_args += ['--pageUrl', page_url]
128 if app is not None:
129 basic_args += ['--app', app]
130 if play_path is not None:
131 basic_args += ['--playpath', play_path]
132 if tc_url is not None:
133 basic_args += ['--tcUrl', url]
134 if test:
135 basic_args += ['--stop', '1']
136 if flash_version is not None:
137 basic_args += ['--flashVer', flash_version]
138 if live:
139 basic_args += ['--live']
140 if isinstance(conn, list):
141 for entry in conn:
142 basic_args += ['--conn', entry]
143 elif isinstance(conn, compat_str):
144 basic_args += ['--conn', conn]
145 if protocol is not None:
146 basic_args += ['--protocol', protocol]
147 if real_time:
148 basic_args += ['--realtime']
149
150 args = basic_args
151 if not no_resume and continue_dl and not live:
152 args += ['--resume']
153 if not live and continue_dl:
154 args += ['--skip', '1']
155
156 if sys.platform == 'win32' and sys.version_info < (3, 0):
157 # Windows subprocess module does not actually support Unicode
158 # on Python 2.x
159 # See http://stackoverflow.com/a/9951851/35070
160 subprocess_encoding = sys.getfilesystemencoding()
161 args = [a.encode(subprocess_encoding, 'ignore') for a in args]
162 else:
163 subprocess_encoding = None
164
165 self._debug_cmd(args, subprocess_encoding, exe='rtmpdump')
166
167 RD_SUCCESS = 0
168 RD_FAILED = 1
169 RD_INCOMPLETE = 2
170 RD_NO_CONNECT = 3
171
172 retval = run_rtmpdump(args)
173
174 if retval == RD_NO_CONNECT:
175 self.report_error('[rtmpdump] Could not connect to RTMP server.')
176 return False
177
178 while (retval == RD_INCOMPLETE or retval == RD_FAILED) and not test and not live:
179 prevsize = os.path.getsize(encodeFilename(tmpfilename))
180 self.to_screen('[rtmpdump] %s bytes' % prevsize)
181 time.sleep(5.0) # This seems to be needed
182 retval = run_rtmpdump(basic_args + ['-e'] + [[], ['-k', '1']][retval == RD_FAILED])
183 cursize = os.path.getsize(encodeFilename(tmpfilename))
184 if prevsize == cursize and retval == RD_FAILED:
185 break
186 # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
187 if prevsize == cursize and retval == RD_INCOMPLETE and cursize > 1024:
188 self.to_screen('[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
189 retval = RD_SUCCESS
190 break
191 if retval == RD_SUCCESS or (test and retval == RD_INCOMPLETE):
192 fsize = os.path.getsize(encodeFilename(tmpfilename))
193 self.to_screen('[rtmpdump] %s bytes' % fsize)
194 self.try_rename(tmpfilename, filename)
195 self._hook_progress({
196 'downloaded_bytes': fsize,
197 'total_bytes': fsize,
198 'filename': filename,
199 'status': 'finished',
200 })
201 return True
202 else:
203 self.to_stderr('\n')
204 self.report_error('rtmpdump exited with code %d' % retval)
205 return False