Source code for sedona.spark.utils.decorators

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from typing import Callable, Iterable, List, TypeVar

T = TypeVar("T")


[docs] class classproperty:
[docs] def __init__(self, f): self.f = f
def __get__(self, obj, owner): return self.f(owner) def __set__(self, instance, value): return self.f()
[docs] def get_first_meet_criteria_element_from_iterable( iterable: Iterable[T], criteria: Callable[[T], int] ) -> int: for index, element in enumerate(iterable): if criteria(element): return index return -1
[docs] def require(library_names: List[str]): def wrapper(func): def run_function(*args, **kwargs): from sedona.spark.core.utils import ImportedJvmLib has_all_libs = [lib for lib in library_names] first_not_fulfill_value = get_first_meet_criteria_element_from_iterable( has_all_libs, lambda x: not ImportedJvmLib.has_library(x) ) if first_not_fulfill_value == -1: return func(*args, **kwargs) else: raise ModuleNotFoundError( f"Did not found {has_all_libs[first_not_fulfill_value]}, make sure that was correctly imported via py4j" f"Did you use SedonaRegistrator.registerAll, Your jars were properly copied to $SPARK_HOME/jars ? " ) return run_function return wrapper