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[downloader/common] Modernize

This commit is contained in:
Philipp Hagemeister 2014-11-16 15:06:59 +01:00
parent 6a68bb574a
commit b6b70730bf
1 changed files with 23 additions and 21 deletions
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44
youtube_dl/downloader/common.py
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@ -1,3 +1,5 @@
from __future__ import unicode_literals
import os import os
import re import re
import sys import sys
@ -159,14 +161,14 @@ class FileDownloader(object):
def temp_name(self, filename): def temp_name(self, filename):
"""Returns a temporary filename for the given filename.""" """Returns a temporary filename for the given filename."""
if self.params.get('nopart', False) or filename == u'-' or \ if self.params.get('nopart', False) or filename == '-' or \
(os.path.exists(encodeFilename(filename)) and not os.path.isfile(encodeFilename(filename))): (os.path.exists(encodeFilename(filename)) and not os.path.isfile(encodeFilename(filename))):
return filename return filename
return filename + u'.part' return filename + '.part'
def undo_temp_name(self, filename): def undo_temp_name(self, filename):
if filename.endswith(u'.part'): if filename.endswith('.part'):
return filename[:-len(u'.part')] return filename[:-len('.part')]
return filename return filename
def try_rename(self, old_filename, new_filename): def try_rename(self, old_filename, new_filename):
@ -175,7 +177,7 @@ class FileDownloader(object):
return return
os.rename(encodeFilename(old_filename), encodeFilename(new_filename)) os.rename(encodeFilename(old_filename), encodeFilename(new_filename))
except (IOError, OSError) as err: except (IOError, OSError) as err:
self.report_error(u'unable to rename file: %s' % compat_str(err)) self.report_error('unable to rename file: %s' % compat_str(err))
def try_utime(self, filename, last_modified_hdr): def try_utime(self, filename, last_modified_hdr):
"""Try to set the last-modified time of the given file.""" """Try to set the last-modified time of the given file."""
@ -200,10 +202,10 @@ class FileDownloader(object):
def report_destination(self, filename): def report_destination(self, filename):
"""Report destination filename.""" """Report destination filename."""
self.to_screen(u'[download] Destination: ' + filename) self.to_screen('[download] Destination: ' + filename)
def _report_progress_status(self, msg, is_last_line=False): def _report_progress_status(self, msg, is_last_line=False):
fullmsg = u'[download] ' + msg fullmsg = '[download] ' + msg
if self.params.get('progress_with_newline', False): if self.params.get('progress_with_newline', False):
self.to_screen(fullmsg) self.to_screen(fullmsg)
else: else:
@ -211,13 +213,13 @@ class FileDownloader(object):
prev_len = getattr(self, '_report_progress_prev_line_length', prev_len = getattr(self, '_report_progress_prev_line_length',
0) 0)
if prev_len > len(fullmsg): if prev_len > len(fullmsg):
fullmsg += u' ' * (prev_len - len(fullmsg)) fullmsg += ' ' * (prev_len - len(fullmsg))
self._report_progress_prev_line_length = len(fullmsg) self._report_progress_prev_line_length = len(fullmsg)
clear_line = u'\r' clear_line = '\r'
else: else:
clear_line = (u'\r\x1b[K' if sys.stderr.isatty() else u'\r') clear_line = ('\r\x1b[K' if sys.stderr.isatty() else '\r')
self.to_screen(clear_line + fullmsg, skip_eol=not is_last_line) self.to_screen(clear_line + fullmsg, skip_eol=not is_last_line)
self.to_console_title(u'youtube-dl ' + msg) self.to_console_title('youtube-dl ' + msg)
def report_progress(self, percent, data_len_str, speed, eta): def report_progress(self, percent, data_len_str, speed, eta):
"""Report download progress.""" """Report download progress."""
@ -233,7 +235,7 @@ class FileDownloader(object):
percent_str = 'Unknown %' percent_str = 'Unknown %'
speed_str = self.format_speed(speed) speed_str = self.format_speed(speed)
msg = (u'%s of %s at %s ETA %s' % msg = ('%s of %s at %s ETA %s' %
(percent_str, data_len_str, speed_str, eta_str)) (percent_str, data_len_str, speed_str, eta_str))
self._report_progress_status(msg) self._report_progress_status(msg)
@ -243,37 +245,37 @@ class FileDownloader(object):
downloaded_str = format_bytes(downloaded_data_len) downloaded_str = format_bytes(downloaded_data_len)
speed_str = self.format_speed(speed) speed_str = self.format_speed(speed)
elapsed_str = FileDownloader.format_seconds(elapsed) elapsed_str = FileDownloader.format_seconds(elapsed)
msg = u'%s at %s (%s)' % (downloaded_str, speed_str, elapsed_str) msg = '%s at %s (%s)' % (downloaded_str, speed_str, elapsed_str)
self._report_progress_status(msg) self._report_progress_status(msg)
def report_finish(self, data_len_str, tot_time): def report_finish(self, data_len_str, tot_time):
"""Report download finished.""" """Report download finished."""
if self.params.get('noprogress', False): if self.params.get('noprogress', False):
self.to_screen(u'[download] Download completed') self.to_screen('[download] Download completed')
else: else:
self._report_progress_status( self._report_progress_status(
(u'100%% of %s in %s' % ('100%% of %s in %s' %
(data_len_str, self.format_seconds(tot_time))), (data_len_str, self.format_seconds(tot_time))),
is_last_line=True) is_last_line=True)
def report_resuming_byte(self, resume_len): def report_resuming_byte(self, resume_len):
"""Report attempt to resume at given byte.""" """Report attempt to resume at given byte."""
self.to_screen(u'[download] Resuming download at byte %s' % resume_len) self.to_screen('[download] Resuming download at byte %s' % resume_len)
def report_retry(self, count, retries): def report_retry(self, count, retries):
"""Report retry in case of HTTP error 5xx""" """Report retry in case of HTTP error 5xx"""
self.to_screen(u'[download] Got server HTTP error. Retrying (attempt %d of %d)...' % (count, retries)) self.to_screen('[download] Got server HTTP error. Retrying (attempt %d of %d)...' % (count, retries))
def report_file_already_downloaded(self, file_name): def report_file_already_downloaded(self, file_name):
"""Report file has already been fully downloaded.""" """Report file has already been fully downloaded."""
try: try:
self.to_screen(u'[download] %s has already been downloaded' % file_name) self.to_screen('[download] %s has already been downloaded' % file_name)
except UnicodeEncodeError: except UnicodeEncodeError:
self.to_screen(u'[download] The file has already been downloaded') self.to_screen('[download] The file has already been downloaded')
def report_unable_to_resume(self): def report_unable_to_resume(self):
"""Report it was impossible to resume download.""" """Report it was impossible to resume download."""
self.to_screen(u'[download] Unable to resume') self.to_screen('[download] Unable to resume')
def download(self, filename, info_dict): def download(self, filename, info_dict):
"""Download to a filename using the info from info_dict """Download to a filename using the info from info_dict
@ -293,7 +295,7 @@ class FileDownloader(object):
def real_download(self, filename, info_dict): def real_download(self, filename, info_dict):
"""Real download process. Redefine in subclasses.""" """Real download process. Redefine in subclasses."""
raise NotImplementedError(u'This method must be implemented by subclasses') raise NotImplementedError('This method must be implemented by subclasses')
def _hook_progress(self, status): def _hook_progress(self, status):
for ph in self._progress_hooks: for ph in self._progress_hooks: