[refactor] Do not specify redundant None as second argument in dict.get()
[youtube-dl] / youtube_dl / downloader / common.py
index 7bb3a948d2ebd0eaca46ca72f72dfaa2e7ffd1bd..2d51540518f7ee40c7d002d632007d5aa9542697 100644 (file)
@@ -1,13 +1,14 @@
-from __future__ import unicode_literals
+from __future__ import division, unicode_literals
 
 import os
 import re
 import sys
 import time
 
-from ..compat import compat_str
 from ..utils import (
     encodeFilename,
+    error_to_compat_str,
+    decodeArgument,
     format_bytes,
     timeconvert,
 )
@@ -41,7 +42,10 @@ 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.
-                        (experimenatal)
+                        (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.
 
     Subclasses of this one must re-define the real_download method.
     """
@@ -54,6 +58,7 @@ class FileDownloader(object):
         self.ydl = ydl
         self._progress_hooks = []
         self.params = params
+        self.add_progress_hook(self.report_progress)
 
     @staticmethod
     def format_seconds(seconds):
@@ -152,7 +157,7 @@ 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:
@@ -182,7 +187,7 @@ class FileDownloader(object):
                 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."""
@@ -201,7 +206,7 @@ class FileDownloader(object):
             return
         try:
             os.utime(filename, (time.time(), filetime))
-        except:
+        except Exception:
             pass
         return filetime
 
@@ -226,42 +231,64 @@ class FileDownloader(object):
             self.to_screen(clear_line + fullmsg, skip_eol=not is_last_line)
         self.to_console_title('youtube-dl ' + msg)
 
-    def report_progress(self, percent, data_len_str, speed, eta):
-        """Report download progress."""
-        if self.params.get('noprogress', False):
+    def report_progress(self, s):
+        if s['status'] == 'finished':
+            if self.params.get('noprogress', False):
+                self.to_screen('[download] Download completed')
+            else:
+                s['_total_bytes_str'] = format_bytes(s['total_bytes'])
+                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'
+                self._report_progress_status(
+                    msg_template % s, is_last_line=True)
+
+        if self.params.get('noprogress'):
             return
-        if eta is not None:
-            eta_str = self.format_eta(eta)
-        else:
-            eta_str = 'Unknown ETA'
-        if percent is not None:
-            percent_str = self.format_percent(percent)
+
+        if s['status'] != 'downloading':
+            return
+
+        if s.get('eta') is not None:
+            s['_eta_str'] = self.format_eta(s['eta'])
         else:
-            percent_str = 'Unknown %'
-        speed_str = self.format_speed(speed)
+            s['_eta_str'] = 'Unknown ETA'
 
-        msg = ('%s of %s at %s ETA %s' %
-               (percent_str, data_len_str, speed_str, eta_str))
-        self._report_progress_status(msg)
+        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 %'
 
-    def report_progress_live_stream(self, downloaded_data_len, speed, elapsed):
-        if self.params.get('noprogress', False):
-            return
-        downloaded_str = format_bytes(downloaded_data_len)
-        speed_str = self.format_speed(speed)
-        elapsed_str = FileDownloader.format_seconds(elapsed)
-        msg = '%s at %s (%s)' % (downloaded_str, speed_str, elapsed_str)
-        self._report_progress_status(msg)
-
-    def report_finish(self, data_len_str, tot_time):
-        """Report download finished."""
-        if self.params.get('noprogress', False):
-            self.to_screen('[download] Download completed')
+        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:
-            self._report_progress_status(
-                ('100%% of %s in %s' %
-                 (data_len_str, self.format_seconds(tot_time))),
-                is_last_line=True)
+            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'
+
+        self._report_progress_status(msg_template % s)
 
     def report_resuming_byte(self, resume_len):
         """Report attempt to resume at given byte."""
@@ -269,7 +296,7 @@ class FileDownloader(object):
 
     def report_retry(self, 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. Retrying (attempt %d of %.0f)...' % (count, retries))
 
     def report_file_already_downloaded(self, file_name):
         """Report file has already been fully downloaded."""
@@ -288,18 +315,18 @@ class FileDownloader(object):
         """
 
         nooverwrites_and_exists = (
-            self.params.get('nooverwrites', False)
-            and os.path.exists(encodeFilename(filename))
+            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)
+            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:
+        if filename != '-' and (nooverwrites_and_exists or continuedl_and_exists):
             self.report_file_already_downloaded(filename)
             self._hook_progress({
                 'filename': filename,
@@ -328,19 +355,15 @@ class FileDownloader(object):
         # this interface
         self._progress_hooks.append(ph)
 
-    def _debug_cmd(self, args, subprocess_encoding, exe=None):
+    def _debug_cmd(self, args, exe=None):
         if not self.params.get('verbose', False):
             return
 
+        str_args = [decodeArgument(a) for a in args]
+
         if exe is None:
-            exe = os.path.basename(args[0])
+            exe = os.path.basename(str_args[0])
 
-        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))