mirror of https://github.com/yt-dlp/yt-dlp
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
import importlib
|
|
import random
|
|
import re
|
|
|
|
from ..utils import (
|
|
age_restricted,
|
|
bug_reports_message,
|
|
classproperty,
|
|
write_string,
|
|
)
|
|
|
|
# These bloat the lazy_extractors, so allow them to passthrough silently
|
|
ALLOWED_CLASSMETHODS = {'get_testcases', 'extract_from_webpage'}
|
|
|
|
|
|
class LazyLoadMetaClass(type):
|
|
def __getattr__(cls, name):
|
|
if '_real_class' not in cls.__dict__ and name not in ALLOWED_CLASSMETHODS:
|
|
write_string(
|
|
'WARNING: Falling back to normal extractor since lazy extractor '
|
|
f'{cls.__name__} does not have attribute {name}{bug_reports_message()}\n')
|
|
return getattr(cls.real_class, name)
|
|
|
|
|
|
class LazyLoadExtractor(metaclass=LazyLoadMetaClass):
|
|
@classproperty
|
|
def real_class(cls):
|
|
if '_real_class' not in cls.__dict__:
|
|
cls._real_class = getattr(importlib.import_module(cls._module), cls.__name__)
|
|
return cls._real_class
|
|
|
|
def __new__(cls, *args, **kwargs):
|
|
instance = cls.real_class.__new__(cls.real_class)
|
|
instance.__init__(*args, **kwargs)
|
|
return instance
|