140 lines
4.4 KiB
Python
140 lines
4.4 KiB
Python
import os
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import ast
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from typing import Optional, Tuple, Union
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import torch
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DTYPE_MAPPING = {
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"float32": torch.float32,
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"float16": torch.float16,
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"bfloat16": torch.bfloat16,
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"float64": torch.float64,
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"uint8": torch.uint8,
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"int8": torch.int8,
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"int16": torch.int16,
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"int32": torch.int32,
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"int64": torch.int64,
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"bool": torch.bool
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}
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def str_to_number(s: str) -> Union[int, float]:
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"""
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Converts a string representation of a number to an integer or float.
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Args:
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s (str): The string to convert.
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Returns:
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Union[int, float]: The converted number, either as an `int` if no decimal point is present or as a `float` otherwise.
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Raises:
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ValueError: If the input string is empty.
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"""
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if s:
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if "." in s:
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return float(s)
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return int(s)
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raise ValueError("Input string cannot be empty.")
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def str_to_number_with_default(s: str, n: Union[int, float]) -> Union[int, float]:
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"""
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Converts a string representation of a number to an integer or float, with a fallback default value.
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Args:
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s (str): The string to convert.
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n (Union[int, float]): The default value to return if `s` is empty.
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Returns:
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Union[int, float]: The converted number if `s` is non-empty, otherwise `n`.
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"""
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return str_to_number(s) if s else n
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def get_resource_full_path(resource_name: str, resource_path: str) -> str:
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"""
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Resolves the absolute path to a resource file within the "resources" directory and
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ensures that the directory exists.
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Args:
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resource_path (str): The path to the resource file. If the path is a relative path,
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the path is considered relative to the `resource` directory of this extension.
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Returns:
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str: The absolute path to the resource file.
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"""
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if os.path.isabs(resource_path):
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resource_full_path = resource_path
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else:
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resource_full_path = os.path.realpath(
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os.path.join(os.path.dirname(__file__), "..", "..", resource_name, resource_path))
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resource_dir = os.path.dirname(resource_full_path)
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if os.path.exists(resource_dir) is False:
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os.makedirs(resource_dir)
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return resource_full_path
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def get_model_full_path(model_path: str) -> str:
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"""
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Resolves the absolute path to a model file within the "models" directory and
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ensures that the directory exists.
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Args:
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model_path (str): The path to the model file. If the path is a relative path,
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the path is considered relative to the `models` directory of this extension.
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Returns:
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str: The absolute path to the model file.
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"""
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return get_resource_full_path("models", model_path)
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def get_dataset_full_path(dataset_path: str) -> str:
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"""
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Resolves the absolute path to the datasete within the "datasets" directory and
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ensures that the directory exists.
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Args:
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dataset_path (str): The path to the dataset file. If the path is a relative path,
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the path is considered relative to the `datasets` directory of this extension.
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Returns:
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str: The absolute path to the dataset file.
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"""
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return get_resource_full_path("datasets", dataset_path)
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def str_to_dim(dim: str) -> Optional[Union[int, Tuple[int, ...]]]:
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"""
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Converts a string representation of a dimension into an integer or a tuple of integers.
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Args:
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dim (str): A string representing an integer or a tuple of integers.
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Returns:
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Optional[Union[int, Tuple[int, ...]]]:
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- An integer if the input represents a single integer.
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- A tuple of integers if the input represents a list or tuple.
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- None if the input is empty.
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Raises:
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ValueError: If the parsed value is not an integer or a tuple of integers.
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"""
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if dim:
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# Convert string to an integer, list, or tuple of integers
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parsed_dim = ast.literal_eval(dim)
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# Convert list to tuple
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if isinstance(parsed_dim, list):
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parsed_dim = tuple(parsed_dim)
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# Ensure the parsed dim is valid
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if not isinstance(parsed_dim, (int, tuple)) or (
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isinstance(parsed_dim, tuple) and not all(isinstance(i, int) for i in parsed_dim)
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):
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raise ValueError(f"Invalid format for dim: {parsed_dim}. Must be an integer or a tuple of integers.")
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return parsed_dim
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return None
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