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[docs,cleanup] Some minor refactoring and improve docs

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pukkandan 2021-09-17 23:53:55 +05:30
parent d710cc6d36
commit e6f21b3d92
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GPG key ID: 0F00D95A001F4698
14 changed files with 55 additions and 39 deletions
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12
devscripts/lazy_load_template.py
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@ -1,9 +1,15 @@
# coding: utf-8
import re
from ..utils import bug_reports_message, write_string
class LazyLoadMetaClass(type):
def __getattr__(cls, name):
if '_real_class' not in cls.__dict__:
write_string(
f'WARNING: Falling back to normal extractor since lazy extractor '
f'{cls.__name__} does not have attribute {name}{bug_reports_message()}')
return getattr(cls._get_real_class(), name)
@ -13,10 +19,10 @@ class LazyLoadExtractor(metaclass=LazyLoadMetaClass):
@classmethod
def _get_real_class(cls):
if '__real_class' not in cls.__dict__:
if '_real_class' not in cls.__dict__:
mod = __import__(cls._module, fromlist=(cls.__name__,))
cls.__real_class = getattr(mod, cls.__name__)
return cls.__real_class
cls._real_class = getattr(mod, cls.__name__)
return cls._real_class
def __new__(cls, *args, **kwargs):
real_cls = cls._get_real_class()

2
devscripts/make_lazy_extractors.py
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@ -7,8 +7,6 @@ import os
from os.path import dirname as dirn
import sys
print('WARNING: Lazy loading extractors is an experimental feature that may not always work', file=sys.stderr)
sys.path.insert(0, dirn(dirn((os.path.abspath(__file__)))))
lazy_extractors_filename = sys.argv[1]