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import json
import os
import shutil
import tempfile
from pystac import Item, StacIO
from ._base import Bench
from ._util import get_data_path
class ItemBench(Bench):
def setup(self) -> None:
self.temp_dir = tempfile.mkdtemp()
self.stac_io = StacIO.default()
# using an item with many assets to better test deserialization timing
self.item_path = get_data_path("eo/eo-sentinel2-item.json")
with open(self.item_path) as src:
self.item_dict = json.load(src)
self.item = Item.from_file(self.item_path)
def teardown(self) -> None:
shutil.rmtree(self.temp_dir, ignore_errors=True)
def time_item_from_file(self) -> None:
"""Deserialize an Item from file"""
_ = Item.from_file(self.item_path)
def time_item_from_dict(self) -> None:
"""Deserialize an Item from dictionary."""
_ = Item.from_dict(self.item_dict)
def time_item_to_dict(self) -> None:
"""Serialize an Item to a dictionary."""
self.item.to_dict(include_self_link=True)
def time_item_save(self) -> None:
"""Serialize an Item to a JSON file."""
self.item.save_object(
include_self_link=True,
dest_href=os.path.join(self.temp_dir, "time_item_save.json"),
stac_io=self.stac_io,
)
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