1 from __future__ import unicode_literals
2
3 import os
4 import re
5 import subprocess
6 import time
7
8 from .common import FileDownloader
9 from ..compat import compat_str
10 from ..utils import (
11 check_executable,
12 encodeFilename,
13 encodeArgument,
14 get_exe_version,
15 )
16
17
18 def rtmpdump_version():
19 return get_exe_version(
20 'rtmpdump', ['--help'], r'(?i)RTMPDump\s*v?([0-9a-zA-Z._-]+)')
21
22
23 class RtmpFD(FileDownloader):
24 def real_download(self, filename, info_dict):
25 def run_rtmpdump(args):
26 start = time.time()
27 resume_percent = None
28 resume_downloaded_data_len = None
29 proc = subprocess.Popen(args, stderr=subprocess.PIPE)
30 cursor_in_new_line = True
31 proc_stderr_closed = False
32 try:
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 time_now = time.time()
55 eta = self.calc_eta(start, time_now, 100 - resume_percent, percent - resume_percent)
56 speed = self.calc_speed(start, time_now, downloaded_data_len - resume_downloaded_data_len)
57 data_len = None
58 if percent > 0:
59 data_len = int(downloaded_data_len * 100 / percent)
60 self._hook_progress({
61 'status': 'downloading',
62 'downloaded_bytes': downloaded_data_len,
63 'total_bytes_estimate': data_len,
64 'tmpfilename': tmpfilename,
65 'filename': filename,
66 'eta': eta,
67 'elapsed': time_now - start,
68 'speed': speed,
69 })
70 cursor_in_new_line = False
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._hook_progress({
79 'downloaded_bytes': downloaded_data_len,
80 'tmpfilename': tmpfilename,
81 'filename': filename,
82 'status': 'downloading',
83 'elapsed': time_now - start,
84 'speed': speed,
85 })
86 cursor_in_new_line = False
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 finally:
93 proc.wait()
94 if not cursor_in_new_line:
95 self.to_screen('')
96 return proc.returncode
97
98 url = info_dict['url']
99 player_url = info_dict.get('player_url')
100 page_url = info_dict.get('page_url')
101 app = info_dict.get('app')
102 play_path = info_dict.get('play_path')
103 tc_url = info_dict.get('tc_url')
104 flash_version = info_dict.get('flash_version')
105 live = info_dict.get('rtmp_live', False)
106 conn = info_dict.get('rtmp_conn')
107 protocol = info_dict.get('rtmp_protocol')
108 real_time = info_dict.get('rtmp_real_time', False)
109 no_resume = info_dict.get('no_resume', False)
110 continue_dl = self.params.get('continuedl', True)
111
112 self.report_destination(filename)
113 tmpfilename = self.temp_name(filename)
114 test = self.params.get('test', False)
115
116 # Check for rtmpdump first
117 if not check_executable('rtmpdump', ['-h']):
118 self.report_error('RTMP download detected but "rtmpdump" could not be run. Please install it.')
119 return False
120
121 # Download using rtmpdump. rtmpdump returns exit code 2 when
122 # the connection was interrupted and resuming appears to be
123 # possible. This is part of rtmpdump's normal usage, AFAIK.
124 basic_args = [
125 'rtmpdump', '--verbose', '-r', url,
126 '-o', tmpfilename]
127 if player_url is not None:
128 basic_args += ['--swfVfy', player_url]
129 if page_url is not None:
130 basic_args += ['--pageUrl', page_url]
131 if app is not None:
132 basic_args += ['--app', app]
133 if play_path is not None:
134 basic_args += ['--playpath', play_path]
135 if tc_url is not None:
136 basic_args += ['--tcUrl', tc_url]
137 if test:
138 basic_args += ['--stop', '1']
139 if flash_version is not None:
140 basic_args += ['--flashVer', flash_version]
141 if live:
142 basic_args += ['--live']
143 if isinstance(conn, list):
144 for entry in conn:
145 basic_args += ['--conn', entry]
146 elif isinstance(conn, compat_str):
147 basic_args += ['--conn', conn]
148 if protocol is not None:
149 basic_args += ['--protocol', protocol]
150 if real_time:
151 basic_args += ['--realtime']
152
153 args = basic_args
154 if not no_resume and continue_dl and not live:
155 args += ['--resume']
156 if not live and continue_dl:
157 args += ['--skip', '1']
158
159 args = [encodeArgument(a) for a in args]
160
161 self._debug_cmd(args, exe='rtmpdump')
162
163 RD_SUCCESS = 0
164 RD_FAILED = 1
165 RD_INCOMPLETE = 2
166 RD_NO_CONNECT = 3
167
168 started = time.time()
169
170 try:
171 retval = run_rtmpdump(args)
172 except KeyboardInterrupt:
173 if not info_dict.get('is_live'):
174 raise
175 retval = RD_SUCCESS
176 self.to_screen('\n[rtmpdump] Interrupted by user')
177
178 if retval == RD_NO_CONNECT:
179 self.report_error('[rtmpdump] Could not connect to RTMP server.')
180 return False
181
182 while retval in (RD_INCOMPLETE, RD_FAILED) and not test and not live:
183 prevsize = os.path.getsize(encodeFilename(tmpfilename))
184 self.to_screen('[rtmpdump] Downloaded %s bytes' % prevsize)
185 time.sleep(5.0) # This seems to be needed
186 args = basic_args + ['--resume']
187 if retval == RD_FAILED:
188 args += ['--skip', '1']
189 args = [encodeArgument(a) for a in args]
190 retval = run_rtmpdump(args)
191 cursize = os.path.getsize(encodeFilename(tmpfilename))
192 if prevsize == cursize and retval == RD_FAILED:
193 break
194 # Some rtmp streams seem abort after ~ 99.8%. Don't complain for those
195 if prevsize == cursize and retval == RD_INCOMPLETE and cursize > 1024:
196 self.to_screen('[rtmpdump] Could not download the whole video. This can happen for some advertisements.')
197 retval = RD_SUCCESS
198 break
199 if retval == RD_SUCCESS or (test and retval == RD_INCOMPLETE):
200 fsize = os.path.getsize(encodeFilename(tmpfilename))
201 self.to_screen('[rtmpdump] Downloaded %s bytes' % fsize)
202 self.try_rename(tmpfilename, filename)
203 self._hook_progress({
204 'downloaded_bytes': fsize,
205 'total_bytes': fsize,
206 'filename': filename,
207 'status': 'finished',
208 'elapsed': time.time() - started,
209 })
210 return True
211 else:
212 self.to_stderr('\n')
213 self.report_error('rtmpdump exited with code %d' % retval)
214 return False
|
