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"""Compatibility layer for allowing extended timezones in iCalendar files."""
from collections.abc import Generator
import contextlib
import contextvars
_invalide_timezones = contextvars.ContextVar("invalid_timezones", default=False)
_extended_timezones = contextvars.ContextVar("extended_timezones", default=False)
@contextlib.contextmanager
def enable_extended_timezones() -> Generator[None]:
"""Context manager to allow extended timezones in iCalendar files."""
token = _extended_timezones.set(True)
try:
yield
finally:
_extended_timezones.reset(token)
def is_extended_timezones_enabled() -> bool:
"""Check if extended timezones are enabled."""
return _extended_timezones.get()
@contextlib.contextmanager
def enable_allow_invalid_timezones() -> Generator[None]:
"""Context manager to allow invalid timezones in iCalendar files."""
token = _invalide_timezones.set(True)
try:
yield
finally:
_invalide_timezones.reset(token)
def is_allow_invalid_timezones_enabled() -> bool:
"""Check if allowing invalid timezones is enabled."""
return _invalide_timezones.get()
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