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-rw-r--r--youtube_dl/YoutubeDL.py18
1 files changed, 15 insertions, 3 deletions
diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index d5f7c81eb..b289bd9e2 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -97,6 +97,7 @@ class YoutubeDL(object):
def __init__(self, params):
"""Create a FileDownloader object with the given options."""
self._ies = []
+ self._ies_instances = {}
self._pps = []
self._progress_hooks = []
self._download_retcode = 0
@@ -111,8 +112,21 @@ class YoutubeDL(object):
def add_info_extractor(self, ie):
"""Add an InfoExtractor object to the end of the list."""
self._ies.append(ie)
+ self._ies_instances[ie.ie_key()] = ie
ie.set_downloader(self)
+ def get_info_extractor(self, ie_key):
+ """
+ Get an instance of an IE with name ie_key, it will try to get one from
+ the _ies list, if there's no instance it will create a new one and add
+ it to the extractor list.
+ """
+ ie = self._ies_instances.get(ie_key)
+ if ie is None:
+ ie = get_info_extractor(ie_key)()
+ self.add_info_extractor(ie)
+ return ie
+
def add_default_info_extractors(self):
"""
Add the InfoExtractors returned by gen_extractors to the end of the list
@@ -294,9 +308,7 @@ class YoutubeDL(object):
'''
if ie_key:
- ie = get_info_extractor(ie_key)()
- ie.set_downloader(self)
- ies = [ie]
+ ies = [self.get_info_extractor(ie_key)]
else:
ies = self._ies