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-rw-r--r--youtube_dl/YoutubeDL.py4
-rw-r--r--youtube_dl/__init__.py4
2 files changed, 4 insertions, 4 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 711b5d79e..b822930cb 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -146,7 +146,7 @@ class YoutubeDL(object):
_num_downloads = None
_screen_file = None
- def __init__(self, params={}):
+ def __init__(self, params=None):
"""Create a FileDownloader object with the given options."""
self._ies = []
self._ies_instances = {}
@@ -155,7 +155,7 @@ class YoutubeDL(object):
self._download_retcode = 0
self._num_downloads = 0
self._screen_file = [sys.stdout, sys.stderr][params.get('logtostderr', False)]
- self.params = params
+ self.params = {} if params is None else params
if (sys.version_info >= (3,) and sys.platform != 'win32' and
sys.getfilesystemencoding() in ['ascii', 'ANSI_X3.4-1968']
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index 8f8422cc7..92e583744 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -220,7 +220,7 @@ def parseOpts(overrideArguments=None):
default=None, type=int)
selection.add_option('--download-archive', metavar='FILE',
dest='download_archive',
- help='Download only videos not present in the archive file. Record all downloaded videos in it.')
+ help='Download only videos not present in the archive file. Record the IDs of all downloaded videos in it.')
authentication.add_option('-u', '--username',
@@ -317,7 +317,7 @@ def parseOpts(overrideArguments=None):
help='print downloaded pages to debug problems(very verbose)')
verbosity.add_option('--write-pages',
action='store_true', dest='write_pages', default=False,
- help='Write downloaded pages to files in the current directory')
+ help='Write downloaded intermediary pages to files in the current directory to debug problems')
verbosity.add_option('--youtube-print-sig-code',
action='store_true', dest='youtube_print_sig_code', default=False,
help=optparse.SUPPRESS_HELP)