-from __future__ import division, unicode_literals
-
+import contextlib
+import errno
+import functools
import os
+import random
import re
import time
-import random
+from ..minicurses import (
+ BreaklineStatusPrinter,
+ MultilineLogger,
+ MultilinePrinter,
+ QuietMultilinePrinter,
+)
from ..utils import (
+ IDENTITY,
+ NO_DEFAULT,
+ LockingUnsupportedError,
+ Namespace,
+ RetryManager,
+ classproperty,
decodeArgument,
+ deprecation_warning,
encodeFilename,
- error_to_compat_str,
format_bytes,
+ join_nonempty,
+ parse_bytes,
+ remove_start,
+ sanitize_open,
shell_quote,
timeconvert,
timetuple_from_msec,
-)
-from ..minicurses import (
- MultilineLogger,
- MultilinePrinter,
- QuietMultilinePrinter,
- BreaklineStatusPrinter
+ try_call,
)
-class FileDownloader(object):
+class FileDownloader:
"""File Downloader class.
File downloader objects are the ones responsible of downloading the
quiet: Do not print messages to stdout.
ratelimit: Download speed limit, in bytes/sec.
throttledratelimit: Assume the download is being throttled below this speed (bytes/sec)
- retries: Number of times to retry for HTTP error 5xx
+ retries: Number of times to retry for expected network errors.
+ Default is 0 for API, but 10 for CLI
+ file_access_retries: Number of times to retry on file access error (default: 3)
buffersize: Size of download buffer in bytes.
noresizebuffer: Do not automatically resize the download buffer.
continuedl: Try to continue downloads if possible.
useful for bypassing bandwidth throttling imposed by
a webserver (experimental)
progress_template: See YoutubeDL.py
+ retry_sleep_functions: See YoutubeDL.py
Subclasses of this one must re-define the real_download method.
"""
def __init__(self, ydl, params):
"""Create a FileDownloader object with the given options."""
- self.ydl = ydl
+ self._set_ydl(ydl)
self._progress_hooks = []
self.params = params
self._prepare_multiline_status()
self.add_progress_hook(self.report_progress)
+ def _set_ydl(self, ydl):
+ self.ydl = ydl
+
+ for func in (
+ 'deprecation_warning',
+ 'deprecated_feature',
+ 'report_error',
+ 'report_file_already_downloaded',
+ 'report_warning',
+ 'to_console_title',
+ 'to_stderr',
+ 'trouble',
+ 'write_debug',
+ ):
+ if not hasattr(self, func):
+ setattr(self, func, getattr(ydl, func))
+
+ def to_screen(self, *args, **kargs):
+ self.ydl.to_screen(*args, quiet=self.params.get('quiet'), **kargs)
+
+ __to_screen = to_screen
+
+ @classproperty
+ def FD_NAME(cls):
+ return re.sub(r'(?<=[a-z])(?=[A-Z])', '_', cls.__name__[:-2]).lower()
+
@staticmethod
def format_seconds(seconds):
+ if seconds is None:
+ return ' Unknown'
time = timetuple_from_msec(seconds * 1000)
if time.hours > 99:
return '--:--:--'
- if not time.hours:
- return '%02d:%02d' % time[1:-1]
return '%02d:%02d:%02d' % time[:-1]
+ @classmethod
+ def format_eta(cls, seconds):
+ return f'{remove_start(cls.format_seconds(seconds), "00:"):>8s}'
+
@staticmethod
def calc_percent(byte_counter, data_len):
if data_len is None:
@staticmethod
def format_percent(percent):
- if percent is None:
- return '---.-%'
- return '%6s' % ('%3.1f%%' % percent)
+ return ' N/A%' if percent is None else f'{percent:>5.1f}%'
- @staticmethod
- def calc_eta(start, now, total, current):
+ @classmethod
+ def calc_eta(cls, start_or_rate, now_or_remaining, total=NO_DEFAULT, current=NO_DEFAULT):
+ if total is NO_DEFAULT:
+ rate, remaining = start_or_rate, now_or_remaining
+ if None in (rate, remaining):
+ return None
+ return int(float(remaining) / rate)
+
+ start, now = start_or_rate, now_or_remaining
if total is None:
return None
if now is None:
now = time.time()
- dif = now - start
- if current == 0 or dif < 0.001: # One millisecond
- return None
- rate = float(current) / dif
- return int((float(total) - float(current)) / rate)
-
- @staticmethod
- def format_eta(eta):
- if eta is None:
- return '--:--'
- return FileDownloader.format_seconds(eta)
+ rate = cls.calc_speed(start, now, current)
+ return rate and int((float(total) - float(current)) / rate)
@staticmethod
def calc_speed(start, now, bytes):
@staticmethod
def format_speed(speed):
- if speed is None:
- return '%10s' % '---b/s'
- return '%10s' % ('%s/s' % format_bytes(speed))
+ return ' Unknown B/s' if speed is None else f'{format_bytes(speed):>10s}/s'
@staticmethod
def format_retries(retries):
- return 'inf' if retries == float('inf') else '%.0f' % retries
+ return 'inf' if retries == float('inf') else int(retries)
+
+ @staticmethod
+ def filesize_or_none(unencoded_filename):
+ if os.path.isfile(unencoded_filename):
+ return os.path.getsize(unencoded_filename)
+ return 0
@staticmethod
def best_block_size(elapsed_time, bytes):
@staticmethod
def parse_bytes(bytestr):
"""Parse a string indicating a byte quantity into an integer."""
- matchobj = re.match(r'(?i)^(\d+(?:\.\d+)?)([kMGTPEZY]?)$', bytestr)
- if matchobj is None:
- return None
- number = float(matchobj.group(1))
- multiplier = 1024.0 ** 'bkmgtpezy'.index(matchobj.group(2).lower())
- return int(round(number * multiplier))
-
- def to_screen(self, *args, **kargs):
- self.ydl.to_stdout(*args, quiet=self.params.get('quiet'), **kargs)
-
- def to_stderr(self, message):
- self.ydl.to_stderr(message)
-
- def to_console_title(self, message):
- self.ydl.to_console_title(message)
-
- def trouble(self, *args, **kargs):
- self.ydl.trouble(*args, **kargs)
-
- def report_warning(self, *args, **kargs):
- self.ydl.report_warning(*args, **kargs)
-
- def report_error(self, *args, **kargs):
- self.ydl.report_error(*args, **kargs)
-
- def write_debug(self, *args, **kargs):
- self.ydl.write_debug(*args, **kargs)
+ deprecation_warning('yt_dlp.FileDownloader.parse_bytes is deprecated and '
+ 'may be removed in the future. Use yt_dlp.utils.parse_bytes instead')
+ return parse_bytes(bytestr)
def slow_down(self, start_time, now, byte_counter):
"""Sleep if the download speed is over the rate limit."""
def ytdl_filename(self, filename):
return filename + '.ytdl'
+ def wrap_file_access(action, *, fatal=False):
+ def error_callback(err, count, retries, *, fd):
+ return RetryManager.report_retry(
+ err, count, retries, info=fd.__to_screen,
+ warn=lambda e: (time.sleep(0.01), fd.to_screen(f'[download] Unable to {action} file: {e}')),
+ error=None if fatal else lambda e: fd.report_error(f'Unable to {action} file: {e}'),
+ sleep_func=fd.params.get('retry_sleep_functions', {}).get('file_access'))
+
+ def wrapper(self, func, *args, **kwargs):
+ for retry in RetryManager(self.params.get('file_access_retries', 3), error_callback, fd=self):
+ try:
+ return func(self, *args, **kwargs)
+ except OSError as err:
+ if err.errno in (errno.EACCES, errno.EINVAL):
+ retry.error = err
+ continue
+ retry.error_callback(err, 1, 0)
+
+ return functools.partial(functools.partialmethod, wrapper)
+
+ @wrap_file_access('open', fatal=True)
+ def sanitize_open(self, filename, open_mode):
+ f, filename = sanitize_open(filename, open_mode)
+ if not getattr(f, 'locked', None):
+ self.write_debug(f'{LockingUnsupportedError.msg}. Proceeding without locking', only_once=True)
+ return f, filename
+
+ @wrap_file_access('remove')
+ def try_remove(self, filename):
+ os.remove(filename)
+
+ @wrap_file_access('rename')
def try_rename(self, old_filename, new_filename):
if old_filename == new_filename:
return
- try:
- os.replace(old_filename, new_filename)
- except (IOError, OSError) as err:
- self.report_error(f'unable to rename file: {err}')
+ os.replace(old_filename, new_filename)
def try_utime(self, filename, last_modified_hdr):
"""Try to set the last-modified time of the given file."""
# Ignore obviously invalid dates
if filetime == 0:
return
- try:
+ with contextlib.suppress(Exception):
os.utime(filename, (time.time(), filetime))
- except Exception:
- pass
return filetime
def report_destination(self, filename):
elif self.ydl.params.get('logger'):
self._multiline = MultilineLogger(self.ydl.params['logger'], lines)
elif self.params.get('progress_with_newline'):
- self._multiline = BreaklineStatusPrinter(self.ydl._screen_file, lines)
+ self._multiline = BreaklineStatusPrinter(self.ydl._out_files.out, lines)
else:
- self._multiline = MultilinePrinter(self.ydl._screen_file, lines, not self.params.get('quiet'))
- self._multiline.allow_colors = self._multiline._HAVE_FULLCAP and not self.params.get('no_color')
+ self._multiline = MultilinePrinter(self.ydl._out_files.out, lines, not self.params.get('quiet'))
+ self._multiline.allow_colors = self.ydl._allow_colors.out and self.ydl._allow_colors.out != 'no_color'
+ self._multiline._HAVE_FULLCAP = self.ydl._allow_colors.out
def _finish_multiline_status(self):
self._multiline.end()
- _progress_styles = {
- 'downloaded_bytes': 'light blue',
- 'percent': 'light blue',
- 'eta': 'yellow',
- 'speed': 'green',
- 'elapsed': 'bold white',
- 'total_bytes': '',
- 'total_bytes_estimate': '',
- }
+ ProgressStyles = Namespace(
+ downloaded_bytes='light blue',
+ percent='light blue',
+ eta='yellow',
+ speed='green',
+ elapsed='bold white',
+ total_bytes='',
+ total_bytes_estimate='',
+ )
def _report_progress_status(self, s, default_template):
- for name, style in self._progress_styles.items():
+ for name, style in self.ProgressStyles.items_:
name = f'_{name}_str'
if name not in s:
continue
self._multiline.stream, self._multiline.allow_colors, *args, **kwargs)
def report_progress(self, s):
+ def with_fields(*tups, default=''):
+ for *fields, tmpl in tups:
+ if all(s.get(f) is not None for f in fields):
+ return tmpl
+ return default
+
+ _format_bytes = lambda k: f'{format_bytes(s.get(k)):>10s}'
+
if s['status'] == 'finished':
if self.params.get('noprogress'):
self.to_screen('[download] Download completed')
- 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 += ' in %(_elapsed_str)s'
- s['_percent_str'] = self.format_percent(100)
- self._report_progress_status(s)
- return
+ speed = try_call(lambda: s['total_bytes'] / s['elapsed'])
+ s.update({
+ 'speed': speed,
+ '_speed_str': self.format_speed(speed).strip(),
+ '_total_bytes_str': _format_bytes('total_bytes'),
+ '_elapsed_str': self.format_seconds(s.get('elapsed')),
+ '_percent_str': self.format_percent(100),
+ })
+ self._report_progress_status(s, join_nonempty(
+ '100%%',
+ with_fields(('total_bytes', 'of %(_total_bytes_str)s')),
+ with_fields(('elapsed', 'in %(_elapsed_str)s')),
+ with_fields(('speed', 'at %(_speed_str)s')),
+ delim=' '))
if s['status'] != 'downloading':
return
- if s.get('eta') is not None:
- s['_eta_str'] = self.format_eta(s['eta'])
- else:
- s['_eta_str'] = 'Unknown ETA'
-
- if s.get('total_bytes') and s.get('downloaded_bytes') is not None:
- s['_percent_str'] = self.format_percent(100 * s['downloaded_bytes'] / s['total_bytes'])
- elif s.get('total_bytes_estimate') and s.get('downloaded_bytes') is not None:
- s['_percent_str'] = self.format_percent(100 * s['downloaded_bytes'] / s['total_bytes_estimate'])
- else:
- if s.get('downloaded_bytes') == 0:
- s['_percent_str'] = self.format_percent(0)
- else:
- s['_percent_str'] = 'Unknown %'
-
- if s.get('speed') is not None:
- s['_speed_str'] = self.format_speed(s['speed'])
- else:
- s['_speed_str'] = 'Unknown speed'
-
- if s.get('total_bytes') is not None:
- s['_total_bytes_str'] = format_bytes(s['total_bytes'])
- msg_template = '%(_percent_str)s of %(_total_bytes_str)s at %(_speed_str)s ETA %(_eta_str)s'
- elif s.get('total_bytes_estimate') is not None:
- s['_total_bytes_estimate_str'] = format_bytes(s['total_bytes_estimate'])
- msg_template = '%(_percent_str)s of ~%(_total_bytes_estimate_str)s at %(_speed_str)s ETA %(_eta_str)s'
- else:
- if s.get('downloaded_bytes') is not None:
- s['_downloaded_bytes_str'] = format_bytes(s['downloaded_bytes'])
- if s.get('elapsed'):
- s['_elapsed_str'] = self.format_seconds(s['elapsed'])
- msg_template = '%(_downloaded_bytes_str)s at %(_speed_str)s (%(_elapsed_str)s)'
- else:
- msg_template = '%(_downloaded_bytes_str)s at %(_speed_str)s'
- else:
- msg_template = '%(_percent_str)s % at %(_speed_str)s ETA %(_eta_str)s'
- if s.get('fragment_index') and s.get('fragment_count'):
- msg_template += ' (frag %(fragment_index)s/%(fragment_count)s)'
- elif s.get('fragment_index'):
- msg_template += ' (frag %(fragment_index)s)'
+ s.update({
+ '_eta_str': self.format_eta(s.get('eta')).strip(),
+ '_speed_str': self.format_speed(s.get('speed')),
+ '_percent_str': self.format_percent(try_call(
+ lambda: 100 * s['downloaded_bytes'] / s['total_bytes'],
+ lambda: 100 * s['downloaded_bytes'] / s['total_bytes_estimate'],
+ lambda: s['downloaded_bytes'] == 0 and 0)),
+ '_total_bytes_str': _format_bytes('total_bytes'),
+ '_total_bytes_estimate_str': _format_bytes('total_bytes_estimate'),
+ '_downloaded_bytes_str': _format_bytes('downloaded_bytes'),
+ '_elapsed_str': self.format_seconds(s.get('elapsed')),
+ })
+
+ msg_template = with_fields(
+ ('total_bytes', '%(_percent_str)s of %(_total_bytes_str)s at %(_speed_str)s ETA %(_eta_str)s'),
+ ('total_bytes_estimate', '%(_percent_str)s of ~%(_total_bytes_estimate_str)s at %(_speed_str)s ETA %(_eta_str)s'),
+ ('downloaded_bytes', 'elapsed', '%(_downloaded_bytes_str)s at %(_speed_str)s (%(_elapsed_str)s)'),
+ ('downloaded_bytes', '%(_downloaded_bytes_str)s at %(_speed_str)s'),
+ default='%(_percent_str)s at %(_speed_str)s ETA %(_eta_str)s')
+
+ msg_template += with_fields(
+ ('fragment_index', 'fragment_count', ' (frag %(fragment_index)s/%(fragment_count)s)'),
+ ('fragment_index', ' (frag %(fragment_index)s)'))
self._report_progress_status(s, msg_template)
def report_resuming_byte(self, resume_len):
"""Report attempt to resume at given byte."""
self.to_screen('[download] Resuming download at byte %s' % resume_len)
- def report_retry(self, err, count, retries):
- """Report retry in case of HTTP error 5xx"""
- 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, *args, **kwargs):
- """Report file has already been fully downloaded."""
- return self.ydl.report_file_already_downloaded(*args, **kwargs)
+ def report_retry(self, err, count, retries, frag_index=NO_DEFAULT, fatal=True):
+ """Report retry"""
+ is_frag = False if frag_index is NO_DEFAULT else 'fragment'
+ RetryManager.report_retry(
+ err, count, retries, info=self.__to_screen,
+ warn=lambda msg: self.__to_screen(f'[download] Got error: {msg}'),
+ error=IDENTITY if not fatal else lambda e: self.report_error(f'\r[download] Got error: {e}'),
+ sleep_func=self.params.get('retry_sleep_functions', {}).get(is_frag or 'http'),
+ suffix=f'fragment{"s" if frag_index is None else f" {frag_index}"}' if is_frag else None)
def report_unable_to_resume(self):
"""Report it was impossible to resume download."""
'status': 'finished',
'total_bytes': os.path.getsize(encodeFilename(filename)),
}, info_dict)
+ self._finish_multiline_status()
return True, False
- if subtitle is False:
- 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)
+ if subtitle:
+ sleep_interval = self.params.get('sleep_interval_subtitles') or 0
else:
- sleep_interval_sub = 0
- if type(self.params.get('sleep_interval_subtitles')) is int:
- sleep_interval_sub = self.params.get('sleep_interval_subtitles')
- if sleep_interval_sub > 0:
- self.to_screen(
- '[download] Sleeping %s seconds ...' % (
- sleep_interval_sub))
- time.sleep(sleep_interval_sub)
+ min_sleep_interval = self.params.get('sleep_interval') or 0
+ sleep_interval = random.uniform(
+ min_sleep_interval, self.params.get('max_sleep_interval') or min_sleep_interval)
+ if sleep_interval > 0:
+ self.to_screen(f'[download] Sleeping {sleep_interval:.2f} seconds ...')
+ time.sleep(sleep_interval)
+
ret = self.real_download(filename, info_dict)
self._finish_multiline_status()
return ret, True
raise NotImplementedError('This method must be implemented by subclasses')
def _hook_progress(self, status, info_dict):
- if not self._progress_hooks:
- return
+ # Ideally we want to make a copy of the dict, but that is too slow
status['info_dict'] = info_dict
# youtube-dl passes the same status object to all the hooks.
# Some third party scripts seems to be relying on this.
if exe is None:
exe = os.path.basename(str_args[0])
- self.write_debug('%s command line: %s' % (exe, shell_quote(str_args)))
+ self.write_debug(f'{exe} command line: {shell_quote(str_args)}')
projects / yt-dlp.git / blobdiff