\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/imunify360/venv/lib/python3.11/site-packages/dateutil/tz/

Viewing File: _factories.py

from datetime import timedelta
import weakref
from collections import OrderedDict

from six.moves import _thread


class _TzSingleton(type):
    def __init__(cls, *args, **kwargs):
        cls.__instance = None
        super(_TzSingleton, cls).__init__(*args, **kwargs)

    def __call__(cls):
        if cls.__instance is None:
            cls.__instance = super(_TzSingleton, cls).__call__()
        return cls.__instance


class _TzFactory(type):
    def instance(cls, *args, **kwargs):
        """Alternate constructor that returns a fresh instance"""
        return type.__call__(cls, *args, **kwargs)


class _TzOffsetFactory(_TzFactory):
    def __init__(cls, *args, **kwargs):
        cls.__instances = weakref.WeakValueDictionary()
        cls.__strong_cache = OrderedDict()
        cls.__strong_cache_size = 8

        cls._cache_lock = _thread.allocate_lock()

    def __call__(cls, name, offset):
        if isinstance(offset, timedelta):
            key = (name, offset.total_seconds())
        else:
            key = (name, offset)

        instance = cls.__instances.get(key, None)
        if instance is None:
            instance = cls.__instances.setdefault(key,
                                                  cls.instance(name, offset))

        # This lock may not be necessary in Python 3. See GH issue #901
        with cls._cache_lock:
            cls.__strong_cache[key] = cls.__strong_cache.pop(key, instance)

            # Remove an item if the strong cache is overpopulated
            if len(cls.__strong_cache) > cls.__strong_cache_size:
                cls.__strong_cache.popitem(last=False)

        return instance


class _TzStrFactory(_TzFactory):
    def __init__(cls, *args, **kwargs):
        cls.__instances = weakref.WeakValueDictionary()
        cls.__strong_cache = OrderedDict()
        cls.__strong_cache_size = 8

        cls.__cache_lock = _thread.allocate_lock()

    def __call__(cls, s, posix_offset=False):
        key = (s, posix_offset)
        instance = cls.__instances.get(key, None)

        if instance is None:
            instance = cls.__instances.setdefault(key,
                cls.instance(s, posix_offset))

        # This lock may not be necessary in Python 3. See GH issue #901
        with cls.__cache_lock:
            cls.__strong_cache[key] = cls.__strong_cache.pop(key, instance)

            # Remove an item if the strong cache is overpopulated
            if len(cls.__strong_cache) > cls.__strong_cache_size:
                cls.__strong_cache.popitem(last=False)

        return instance