Datasets:

ArXiv:
License:
File size: 4,550 Bytes
b837da3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
import json
from pathlib import Path
from typing import List


def read_file(path: str, supported_formats: str = ".json") -> dict:
    """Read a file and return its content as a string

    Args:
        path (str): the path to the file to read
        supported_formats (str, optional): the supported file formats. Defaults to ".json".

    Returns:
        dict: the json content of the file

    Raises:
        FileNotFoundError: if the file does not exist
        ValueError: if the file format is not supported
    """

    path = Path(path)

    # check if the file exists and is a file
    if not path.exists() or not path.is_file():
        raise FileNotFoundError(f"File {path} not found")

    # check if the file format is supported
    if path.suffix not in supported_formats:
        raise ValueError(f"File format {path.suffix} not supported")

    with path.open("r") as file:
        file_content = json.load(file)

    return file_content


def create_directory(path: str) -> None:
    """Create a directory if it does not exist

    Args:
        path (str): the path to the directory to create
    """

    path = Path(path)

    if not path.exists():
        path.mkdir(parents=True, exist_ok=True)


def read_file_paths(path: str, supported_formats: List[str] = [".jpg"]) -> List[str]:
    """Read files in a directory and return their content as a list of strings

    Args:
        path (str): the path to the directory containing the file paths to read
        supported_formats (List[str], optional): the supported file formats. Defaults to [".jpg"].

    Returns:
        list: list of valid file paths

    Raises:
        FileNotFoundError: if the directory does not exist
    """

    path = Path(path)

    # check if the directory exists and is a directory
    if not path.exists() or not path.is_dir():
        raise FileNotFoundError(f"Directory {path} not found")

    # get the list of files in the directory
    file_paths = [file for file in path.iterdir() if file.is_file()]

    # filter file paths based on the supported formats
    if supported_formats:
        file_paths = [file for file in file_paths if file.suffix in supported_formats]
    else:
        file_paths = []

    return file_paths


def check_dataset_format(data: dict, image_key: str) -> None:
    """Check the format of the dataset

    Args:
        data (dict): the gt/prediction dataset to check
        image_key (str): the image name acting as the key in the dataset

    Raises:
        ValueError: if a key is missing in the dataset
    """
    if data[image_key].get("elements") is None:
        raise ValueError(
            f"{image_key} does not have 'elements' key in the ground truth file. "
            "Check if you are passing the correct data."
        )

    elements = data[image_key]["elements"]
    for elem in elements:
        if elem.get("category") is None:
            raise ValueError(
                f"{image_key} does not have 'category' key in the ground truth file. "
                "Check if you are passing the correct data."
            )

        if elem.get("content") is None:
            raise ValueError(
                f"{image_key} does not have 'content' key in the ground truth file. "
                "Check if you are passing the correct data."
            )
        else:
            content = elem["content"]
            if content.get("text") is None:
                raise ValueError(
                    f"{image_key} does not have 'text' key in the ground truth file. "
                    "Check if you are passing the correct data."
                )


def check_data_validity(gt_data: dict, pred_data: dict) -> None:
    """Check the validity of the ground truth and prediction data

    Args:
        gt_data (dict): the ground truth data
        pred_data (dict): the prediction data

    Raises:
        ValueError: if the ground truth or prediction data is invalid
    """

    if not gt_data:
        raise ValueError("Ground truth data is empty")

    if not pred_data:
        raise ValueError("Prediction data is empty")

    for image_key in gt_data.keys():
        pred_elem = pred_data.get(image_key)
        if pred_data is None:
            raise ValueError(
                f"{image_key} not found in prediction. "
                "Check if you are passing the correct data."
            )

    for image_key in gt_data.keys():
        check_dataset_format(gt_data, image_key)

    for image_key in pred_data.keys():
        check_dataset_format(pred_data, image_key)