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-rw-r--r--devscripts/make_lazy_extractors.py47
1 files changed, 41 insertions, 6 deletions
diff --git a/devscripts/make_lazy_extractors.py b/devscripts/make_lazy_extractors.py
index b5a8b9190..9a79c2bc5 100644
--- a/devscripts/make_lazy_extractors.py
+++ b/devscripts/make_lazy_extractors.py
@@ -14,15 +14,17 @@ if os.path.exists(lazy_extractors_filename):
os.remove(lazy_extractors_filename)
from youtube_dl.extractor import _ALL_CLASSES
-from youtube_dl.extractor.common import InfoExtractor
+from youtube_dl.extractor.common import InfoExtractor, SearchInfoExtractor
with open('devscripts/lazy_load_template.py', 'rt') as f:
module_template = f.read()
-module_contents = [module_template + '\n' + getsource(InfoExtractor.suitable)]
+module_contents = [
+ module_template + '\n' + getsource(InfoExtractor.suitable) + '\n',
+ 'class LazyLoadSearchExtractor(LazyLoadExtractor):\n pass\n']
ie_template = '''
-class {name}(LazyLoadExtractor):
+class {name}({bases}):
_VALID_URL = {valid_url!r}
_module = '{module}'
'''
@@ -34,10 +36,20 @@ make_valid_template = '''
'''
+def get_base_name(base):
+ if base is InfoExtractor:
+ return 'LazyLoadExtractor'
+ elif base is SearchInfoExtractor:
+ return 'LazyLoadSearchExtractor'
+ else:
+ return base.__name__
+
+
def build_lazy_ie(ie, name):
valid_url = getattr(ie, '_VALID_URL', None)
s = ie_template.format(
name=name,
+ bases=', '.join(map(get_base_name, ie.__bases__)),
valid_url=valid_url,
module=ie.__module__)
if ie.suitable.__func__ is not InfoExtractor.suitable.__func__:
@@ -47,12 +59,35 @@ def build_lazy_ie(ie, name):
s += make_valid_template.format(valid_url=ie._make_valid_url())
return s
+# find the correct sorting and add the required base classes so that sublcasses
+# can be correctly created
+classes = _ALL_CLASSES[:-1]
+ordered_cls = []
+while classes:
+ for c in classes[:]:
+ bases = set(c.__bases__) - set((object, InfoExtractor, SearchInfoExtractor))
+ stop = False
+ for b in bases:
+ if b not in classes and b not in ordered_cls:
+ if b.__name__ == 'GenericIE':
+ exit()
+ classes.insert(0, b)
+ stop = True
+ if stop:
+ break
+ if all(b in ordered_cls for b in bases):
+ ordered_cls.append(c)
+ classes.remove(c)
+ break
+ordered_cls.append(_ALL_CLASSES[-1])
+
names = []
-for ie in list(sorted(_ALL_CLASSES[:-1], key=lambda cls: cls.ie_key())) + _ALL_CLASSES[-1:]:
- name = ie.ie_key() + 'IE'
+for ie in ordered_cls:
+ name = ie.__name__
src = build_lazy_ie(ie, name)
module_contents.append(src)
- names.append(name)
+ if ie in _ALL_CLASSES:
+ names.append(name)
module_contents.append(
'_ALL_CLASSES = [{0}]'.format(', '.join(names)))