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perf: memoise DataSerializer.read_file results #543

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Aug 20, 2021
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2 changes: 2 additions & 0 deletions src/syrupy/extensions/amber/serializer.py
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import functools
import os
from types import GeneratorType
from typing import (
Expand Down Expand Up @@ -79,6 +80,7 @@ def write_file(cls, snapshot_fossil: "SnapshotFossil") -> None:
f.write(f"\n{cls._marker_divider}\n")

@classmethod
@functools.lru_cache()
def read_file(cls, filepath: str) -> "SnapshotFossil":
"""
Read the raw snapshot data (str) from the snapshot file into a dict
Expand Down