diff options
| -rwxr-xr-x | youtube-dl | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/youtube-dl b/youtube-dl index 4cea2e85e..22dd230ee 100755 --- a/youtube-dl +++ b/youtube-dl @@ -236,6 +236,11 @@ class FileDownloader(object): os.mkdir(dir) @staticmethod + def temp_name(filename): + """Returns a temporary filename for the given filename.""" + return filename + '.part' + + @staticmethod def format_bytes(bytes): if bytes is None: return 'N/A' @@ -353,6 +358,12 @@ class FileDownloader(object): speed = float(byte_counter) / elapsed if speed > rate_limit: time.sleep((byte_counter - rate_limit * (now - start_time)) / rate_limit) + + def try_rename(self, old_filename, new_filename): + try: + os.rename(old_filename, new_filename) + except (IOError, OSError), err: + self.trouble(u'ERROR: unable to rename file') def report_destination(self, filename): """Report destination filename.""" @@ -484,6 +495,7 @@ class FileDownloader(object): def _download_with_rtmpdump(self, filename, url, player_url): self.report_destination(filename) + tmpfilename = self.temp_name(filename) # Check for rtmpdump first try: @@ -495,36 +507,43 @@ class FileDownloader(object): # Download using rtmpdump. rtmpdump returns exit code 2 when # the connection was interrumpted and resuming appears to be # possible. This is part of rtmpdump's normal usage, AFAIK. - basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', filename] + basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', tmpfilename] retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)]) while retval == 2 or retval == 1: - prevsize = os.path.getsize(filename) + prevsize = os.path.getsize(tmpfilename) self.to_screen(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True) time.sleep(5.0) # This seems to be needed retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1]) - cursize = os.path.getsize(filename) + cursize = os.path.getsize(tmpfilename) if prevsize == cursize and retval == 1: break if retval == 0: - self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename)) + self.to_screen(u'\r[rtmpdump] %s bytes' % os.path.getsize(tmpfilename)) + self.try_rename(tmpfilename, filename) return True else: self.trouble(u'\nERROR: rtmpdump exited with code %d' % retval) return False def _do_download(self, filename, url, player_url): + # Check file already present + if self.params.get('continuedl', False) and os.path.isfile(filename): + self.report_file_already_downloaded(filename) + return True + # Attempt to download using rtmpdump if url.startswith('rtmp'): return self._download_with_rtmpdump(filename, url, player_url) + tmpfilename = self.temp_name(filename) stream = None open_mode = 'wb' basic_request = urllib2.Request(url, None, std_headers) request = urllib2.Request(url, None, std_headers) # Establish possible resume length - if os.path.isfile(filename): - resume_len = os.path.getsize(filename) + if os.path.isfile(tmpfilename): + resume_len = os.path.getsize(tmpfilename) else: resume_len = 0 @@ -566,6 +585,7 @@ class FileDownloader(object): # completely downloaded if the file size differs less than 100 bytes from # the one in the hard drive. self.report_file_already_downloaded(filename) + self.try_rename(tmpfilename, filename) return True else: # The length does not match, we start the download over @@ -599,7 +619,7 @@ class FileDownloader(object): # Open file just in time if stream is None: try: - (stream, filename) = sanitize_open(filename, open_mode) + (stream, tmpfilename) = sanitize_open(tmpfilename, open_mode) self.report_destination(filename) except (OSError, IOError), err: self.trouble(u'ERROR: unable to open for writing: %s' % str(err)) @@ -623,6 +643,7 @@ class FileDownloader(object): self.report_finish() if data_len is not None and str(byte_counter) != data_len: raise ContentTooShortError(byte_counter, long(data_len)) + self.try_rename(tmpfilename, filename) return True class InfoExtractor(object): |