X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/fe979149c83b5a935f7d28baf75848a9137316fd..a5a28b1eabe0533f26d23c4157c97144215b22b7:/youtube_dl/downloader/common.py?ds=inline

diff --git a/youtube_dl/downloader/common.py b/youtube_dl/downloader/common.py
index 1dba9f4..cc16bbb 100644
--- a/youtube_dl/downloader/common.py
+++ b/youtube_dl/downloader/common.py
@@ -4,13 +4,15 @@ import os
 import re
 import sys
 import time
+import random
 
 from ..compat import compat_os_name
 from ..utils import (
+    decodeArgument,
     encodeFilename,
     error_to_compat_str,
-    decodeArgument,
     format_bytes,
+    shell_quote,
     timeconvert,
 )
 
@@ -47,6 +49,9 @@ class FileDownloader(object):
     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.
     """
@@ -186,6 +191,9 @@ 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:
@@ -299,11 +307,11 @@ 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 %s)...'
-            % (count, self.format_retries(retries)))
+            '[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."""
@@ -326,25 +334,31 @@ class FileDownloader(object):
             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)
-        )
-
-        # 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)
@@ -371,10 +385,5 @@ 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)))