import sys
import time
+from ..compat import compat_str
from ..utils import (
- compat_str,
encodeFilename,
format_bytes,
timeconvert,
Available options:
- verbose: Print additional info to stdout.
- quiet: Do not print messages to stdout.
- ratelimit: Download speed limit, in bytes/sec.
- retries: Number of times to retry for HTTP error 5xx
- buffersize: Size of download buffer in bytes.
- noresizebuffer: Do not automatically resize the download buffer.
- continuedl: Try to continue downloads if possible.
- noprogress: Do not print the progress bar.
- logtostderr: Log messages to stderr instead of stdout.
- consoletitle: Display progress in console window's titlebar.
- nopart: Do not use temporary .part files.
- updatetime: Use the Last-modified header to set output file timestamps.
- test: Download only first bytes to test the downloader.
- min_filesize: Skip files smaller than this size
- max_filesize: Skip files larger than this size
+ verbose: Print additional info to stdout.
+ quiet: Do not print messages to stdout.
+ ratelimit: Download speed limit, in bytes/sec.
+ retries: Number of times to retry for HTTP error 5xx
+ buffersize: Size of download buffer in bytes.
+ noresizebuffer: Do not automatically resize the download buffer.
+ continuedl: Try to continue downloads if possible.
+ noprogress: Do not print the progress bar.
+ logtostderr: Log messages to stderr instead of stdout.
+ consoletitle: Display progress in console window's titlebar.
+ nopart: Do not use temporary .part files.
+ updatetime: Use the Last-modified header to set output file timestamps.
+ test: Download only first bytes to test the downloader.
+ 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.
+ (experimenatal)
Subclasses of this one must re-define the real_download method.
"""
def calc_eta(start, now, total, current):
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
+ if current == 0 or dif < 0.001: # One millisecond
return None
rate = float(current) / dif
return int((float(total) - float(current)) / rate)
@staticmethod
def calc_speed(start, now, bytes):
dif = now - start
- if bytes == 0 or dif < 0.001: # One millisecond
+ if bytes == 0 or dif < 0.001: # One millisecond
return None
return float(bytes) / dif
@staticmethod
def best_block_size(elapsed_time, bytes):
new_min = max(bytes / 2.0, 1.0)
- new_max = min(max(bytes * 2.0, 1.0), 4194304) # Do not surpass 4 MB
+ new_max = min(max(bytes * 2.0, 1.0), 4194304) # Do not surpass 4 MB
if elapsed_time < 0.001:
return int(new_max)
rate = bytes / elapsed_time
def report_error(self, *args, **kargs):
self.ydl.report_error(*args, **kargs)
- def slow_down(self, start_time, byte_counter):
+ 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)
if rate_limit is None or byte_counter == 0:
return
- now = time.time()
+ if now is None:
+ now = time.time()
elapsed = now - start_time
if elapsed <= 0.0:
return
speed = float(byte_counter) / elapsed
if speed > rate_limit:
- time.sleep((byte_counter - rate_limit * (now - start_time)) / rate_limit)
+ time.sleep(max((byte_counter // rate_limit) - elapsed, 0))
def temp_name(self, filename):
"""Returns a temporary filename for the given filename."""
"""Download to a filename using the info from info_dict
Return True on success and False otherwise
"""
+
+ nooverwrites_and_exists = (
+ self.params.get('nooverwrites', False)
+ and os.path.exists(encodeFilename(filename))
+ )
+
+ continuedl_and_exists = (
+ self.params.get('continuedl', False)
+ and os.path.isfile(encodeFilename(filename))
+ and not self.params.get('nopart', False)
+ )
+
# Check file already present
- if self.params.get('continuedl', False) and os.path.isfile(encodeFilename(filename)) and not self.params.get('nopart', False):
+ if filename != '-' and nooverwrites_and_exists or continuedl_and_exists:
self.report_file_already_downloaded(filename)
self._hook_progress({
'filename': filename,
})
return True
+ sleep_interval = self.params.get('sleep_interval')
+ if sleep_interval:
+ self.to_screen('[download] Sleeping %s seconds...' % sleep_interval)
+ time.sleep(sleep_interval)
+
return self.real_download(filename, info_dict)
def real_download(self, filename, info_dict):
ph(status)
def add_progress_hook(self, ph):
- """ ph gets called on download progress, with a dictionary with the entries
- * filename: The final filename
- * status: One of "downloading" and "finished"
+ # See YoutubeDl.py (search for progress_hooks) for a description of
+ # this interface
+ self._progress_hooks.append(ph)
- It can also have some of the following entries:
+ def _debug_cmd(self, args, subprocess_encoding, exe=None):
+ if not self.params.get('verbose', False):
+ return
- * downloaded_bytes: Bytes on disks
- * total_bytes: Total bytes, None if unknown
- * tmpfilename: The filename we're currently writing to
- * eta: The estimated time in seconds, None if unknown
- * speed: The download speed in bytes/second, None if unknown
+ if exe is None:
+ exe = os.path.basename(args[0])
- Hooks are guaranteed to be called at least once (with status "finished")
- if the download is successful.
- """
- self._progress_hooks.append(ph)
+ if subprocess_encoding:
+ str_args = [
+ a.decode(subprocess_encoding) if isinstance(a, bytes) else a
+ for a in args]
+ else:
+ str_args = args
+ 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)))