X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/9ed7fe4fe4c445eb7d9f3197bb300d0db8f1807a..9865587cf7b579793ba274067c3e44065d5ff77d:/youtube_dl/downloader/common.py diff --git a/youtube_dl/downloader/common.py b/youtube_dl/downloader/common.py index b8bf8da..1cdba89 100644 --- a/youtube_dl/downloader/common.py +++ b/youtube_dl/downloader/common.py @@ -4,12 +4,15 @@ import os import re import sys import time +import random -from ..compat import compat_str +from ..compat import compat_os_name from ..utils import ( - encodeFilename, decodeArgument, + encodeFilename, + error_to_compat_str, format_bytes, + shell_quote, timeconvert, ) @@ -42,9 +45,12 @@ class FileDownloader(object): min_filesize: Skip files smaller than this size max_filesize: Skip files larger than this size xattr_set_filesize: Set ytdl.filesize user xattribute with expected size. - (experimental) external_downloader_args: A list of additional command-line arguments for the external downloader. + hls_use_mpegts: Use the mpegts container for HLS videos. + http_chunk_size: Size of a chunk for chunk-based HTTP downloading. May be + useful for bypassing bandwidth throttling imposed by + a webserver (experimental) Subclasses of this one must re-define the real_download method. """ @@ -113,6 +119,10 @@ class FileDownloader(object): return '%10s' % '---b/s' return '%10s' % ('%s/s' % format_bytes(speed)) + @staticmethod + def format_retries(retries): + return 'inf' if retries == float('inf') else '%.0f' % retries + @staticmethod def best_block_size(elapsed_time, bytes): new_min = max(bytes / 2.0, 1.0) @@ -156,7 +166,7 @@ class FileDownloader(object): def slow_down(self, start_time, now, byte_counter): """Sleep if the download speed is over the rate limit.""" - rate_limit = self.params.get('ratelimit', None) + rate_limit = self.params.get('ratelimit') if rate_limit is None or byte_counter == 0: return if now is None: @@ -166,7 +176,9 @@ class FileDownloader(object): return speed = float(byte_counter) / elapsed if speed > rate_limit: - time.sleep(max((byte_counter // rate_limit) - elapsed, 0)) + sleep_time = float(byte_counter) / rate_limit - elapsed + if sleep_time > 0: + time.sleep(sleep_time) def temp_name(self, filename): """Returns a temporary filename for the given filename.""" @@ -180,13 +192,16 @@ class FileDownloader(object): return filename[:-len('.part')] return filename + def ytdl_filename(self, filename): + return filename + '.ytdl' + def try_rename(self, old_filename, new_filename): try: if old_filename == new_filename: return os.rename(encodeFilename(old_filename), encodeFilename(new_filename)) except (IOError, OSError) as err: - self.report_error('unable to rename file: %s' % compat_str(err)) + self.report_error('unable to rename file: %s' % error_to_compat_str(err)) def try_utime(self, filename, last_modified_hdr): """Try to set the last-modified time of the given file.""" @@ -218,7 +233,7 @@ class FileDownloader(object): if self.params.get('progress_with_newline', False): self.to_screen(fullmsg) else: - if os.name == 'nt': + if compat_os_name == 'nt': prev_len = getattr(self, '_report_progress_prev_line_length', 0) if prev_len > len(fullmsg): @@ -235,12 +250,13 @@ class FileDownloader(object): if self.params.get('noprogress', False): self.to_screen('[download] Download completed') else: - s['_total_bytes_str'] = format_bytes(s['total_bytes']) + msg_template = '100%%' + if s.get('total_bytes') is not None: + s['_total_bytes_str'] = format_bytes(s['total_bytes']) + msg_template += ' of %(_total_bytes_str)s' if s.get('elapsed') is not None: s['_elapsed_str'] = self.format_seconds(s['elapsed']) - msg_template = '100%% of %(_total_bytes_str)s in %(_elapsed_str)s' - else: - msg_template = '100%% of %(_total_bytes_str)s' + msg_template += ' in %(_elapsed_str)s' self._report_progress_status( msg_template % s, is_last_line=True) @@ -293,9 +309,11 @@ class FileDownloader(object): """Report attempt to resume at given byte.""" self.to_screen('[download] Resuming download at byte %s' % resume_len) - def report_retry(self, count, retries): + def report_retry(self, err, count, retries): """Report retry in case of HTTP error 5xx""" - self.to_screen('[download] Got server HTTP error. Retrying (attempt %d of %d)...' % (count, retries)) + self.to_screen( + '[download] Got server HTTP error: %s. Retrying (attempt %d of %s)...' + % (error_to_compat_str(err), count, self.format_retries(retries))) def report_file_already_downloaded(self, file_name): """Report file has already been fully downloaded.""" @@ -314,29 +332,35 @@ class FileDownloader(object): """ nooverwrites_and_exists = ( - self.params.get('nooverwrites', False) and - os.path.exists(encodeFilename(filename)) - ) - - continuedl_and_exists = ( - self.params.get('continuedl', True) and - os.path.isfile(encodeFilename(filename)) and - not self.params.get('nopart', False) + self.params.get('nooverwrites', False) + and os.path.exists(encodeFilename(filename)) ) - # Check file already present - if filename != '-' and (nooverwrites_and_exists or continuedl_and_exists): - self.report_file_already_downloaded(filename) - self._hook_progress({ - 'filename': filename, - 'status': 'finished', - 'total_bytes': os.path.getsize(encodeFilename(filename)), - }) - return True - - sleep_interval = self.params.get('sleep_interval') - if sleep_interval: - self.to_screen('[download] Sleeping %s seconds...' % sleep_interval) + if not hasattr(filename, 'write'): + continuedl_and_exists = ( + self.params.get('continuedl', True) + and os.path.isfile(encodeFilename(filename)) + and not self.params.get('nopart', False) + ) + + # Check file already present + if filename != '-' and (nooverwrites_and_exists or continuedl_and_exists): + self.report_file_already_downloaded(filename) + self._hook_progress({ + 'filename': filename, + 'status': 'finished', + 'total_bytes': os.path.getsize(encodeFilename(filename)), + }) + return True + + min_sleep_interval = self.params.get('sleep_interval') + if min_sleep_interval: + max_sleep_interval = self.params.get('max_sleep_interval', min_sleep_interval) + sleep_interval = random.uniform(min_sleep_interval, max_sleep_interval) + self.to_screen( + '[download] Sleeping %s seconds...' % ( + int(sleep_interval) if sleep_interval.is_integer() + else '%.2f' % sleep_interval)) time.sleep(sleep_interval) return self.real_download(filename, info_dict) @@ -363,10 +387,5 @@ class FileDownloader(object): if exe is None: exe = os.path.basename(str_args[0]) - try: - import pipes - shell_quote = lambda args: ' '.join(map(pipes.quote, str_args)) - except ImportError: - shell_quote = repr self.to_screen('[debug] %s command line: %s' % ( exe, shell_quote(str_args)))