| # Copyright (c) Meta Platforms, Inc. and affiliates. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| import json | |
| from typing import Any, Optional | |
| def load_json(json_filepath): | |
| with open(json_filepath, "r") as fp: | |
| return json.loads(fp.read()) | |
| def write_json(payload, json_filepath): | |
| with open(json_filepath, "w") as fp: | |
| json.dump(payload, fp, indent=4, sort_keys=True) | |
| def is_float(x: Any) -> bool: | |
| """ | |
| Function checks if the input is convertible to float | |
| """ | |
| if x is None: | |
| return False | |
| if len(x) == 0: | |
| return False | |
| try: | |
| float(x) | |
| return True | |
| except ValueError: | |
| return False | |
| def is_int(x: Any) -> bool: | |
| """ | |
| Function checks if the input is convertible to int | |
| """ | |
| if x is None: | |
| return False | |
| if len(x) == 0: | |
| return False | |
| try: | |
| int(x) | |
| return True | |
| except ValueError: | |
| return False | |
| def float_or_none(x: Any) -> Optional[float]: | |
| """ | |
| Function returns a float if x is convertible to float, otherwise None | |
| """ | |
| return float(x) if is_float(x) else None | |
| def int_or_none(x: Any) -> Optional[int]: | |
| """ | |
| Function returns a int if x is convertible to int, otherwise None | |
| """ | |
| return int(x) if is_int(x) else None | |