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# coding=utf-8 | |
import json | |
import os | |
from PIL import Image | |
import datasets | |
def load_image(image_path): | |
image = Image.open(image_path).convert("RGB") | |
w, h = image.size | |
return image, (w, h) | |
def normalize_bbox(bbox, size): | |
return [ | |
int(1000 * bbox[0] / size[0]), | |
int(1000 * bbox[1] / size[1]), | |
int(1000 * bbox[2] / size[0]), | |
int(1000 * bbox[3] / size[1]), | |
] | |
logger = datasets.logging.get_logger(__name__) | |
class ResumeDataConfig(datasets.BuilderConfig): | |
"""BuilderConfig for Resume NER""" | |
def __init__(self, **kwargs): | |
"""BuilderConfig for FUNSD. | |
Args: | |
**kwargs: keyword arguments forwarded to super. | |
""" | |
super(ResumeDataConfig, self).__init__(**kwargs) | |
class ResumeData(datasets.GeneratorBasedBuilder): | |
BUILDER_CONFIGS = [ | |
ResumeDataConfig(name="funsd", | |
version=datasets.Version("1.0.0"), | |
description="Resume Dataset"), | |
] | |
def _info(self): | |
return datasets.DatasetInfo( | |
description="", | |
features=datasets.Features( | |
{ | |
"id": datasets.Value("string"), | |
"tokens": datasets.Sequence(datasets.Value("string")), | |
"bboxes": datasets.Sequence(datasets.Sequence(datasets.Value("int64"))), | |
"ner_tags": datasets.Sequence( | |
datasets.features.ClassLabel( | |
names=["O", | |
"B-ADDRESS", | |
"B-EMAIL", | |
"B-NAME", | |
"B-PHONE", | |
"B-SECTIONHEADER", | |
"E-ADDRESS", | |
"E-EMAIL", | |
"E-NAME", | |
"E-PHONE", | |
"E-SECTIONHEADER", | |
"I-ADDRESS", | |
"I-EMAIL", | |
"I-NAME", | |
"I-PHONE", | |
"I-SECTIONHEADER", | |
"S-ADDRESS", | |
"S-EMAIL", | |
"S-NAME", | |
"S-PHONE", | |
"S-SECTIONHEADER" | |
] | |
) | |
), | |
"image": datasets.features.Image(), | |
} | |
), | |
supervised_keys=None, | |
homepage="", | |
citation="", | |
) | |
def _split_generators(self, dl_manager): | |
"""Returns SplitGenerators.""" | |
downloaded_file = dl_manager.download_and_extract("https://huggingface.co/datasets/Kunling/layoutlm_resume_data/resolve/main/person_resume_funsd_format_v5.zip") | |
return [ | |
datasets.SplitGenerator( | |
name=datasets.Split.TRAIN, gen_kwargs={"filepath": f"{downloaded_file}/dataset/training/"} | |
), | |
datasets.SplitGenerator( | |
name=datasets.Split.TEST, gen_kwargs={"filepath": f"{downloaded_file}/dataset/testing/"} | |
), | |
] | |
def get_line_bbox(self, bboxs): | |
x = [bboxs[i][j] for i in range(len(bboxs)) for j in range(0, len(bboxs[i]), 2)] | |
y = [bboxs[i][j] for i in range(len(bboxs)) for j in range(1, len(bboxs[i]), 2)] | |
x0, y0, x1, y1 = min(x), min(y), max(x), max(y) | |
assert x1 >= x0 and y1 >= y0 | |
bbox = [[x0, y0, x1, y1] for _ in range(len(bboxs))] | |
return bbox | |
def _generate_examples(self, filepath): | |
logger.info("⏳ Generating examples from = %s", filepath) | |
ann_dir = os.path.join(filepath, "annotations") | |
img_dir = os.path.join(filepath, "images") | |
for guid, file in enumerate(sorted(os.listdir(ann_dir))): | |
tokens = [] | |
bboxes = [] | |
ner_tags = [] | |
file_path = os.path.join(ann_dir, file) | |
with open(file_path, "r", encoding="utf8") as f: | |
data = json.load(f) | |
image_path = os.path.join(img_dir, file) | |
image_path = image_path.replace("json", "jpeg") | |
image, size = load_image(image_path) | |
for item in data["form"]: | |
cur_line_bboxes = [] | |
words, label = item["words"], item["label"] | |
words = [w for w in words if w["text"].strip() != ""] | |
if len(words) == 0: | |
continue | |
if label.lower() == "other": | |
for w in words: | |
tokens.append(w["text"]) | |
ner_tags.append("O") | |
cur_line_bboxes.append(normalize_bbox(w["box"], size)) | |
else: | |
tokens.append(words[0]["text"]) | |
ner_tags.append("B-" + label.upper()) | |
cur_line_bboxes.append(normalize_bbox(words[0]["box"], size)) | |
for w in words[1:]: | |
tokens.append(w["text"]) | |
ner_tags.append("I-" + label.upper()) | |
cur_line_bboxes.append(normalize_bbox(w["box"], size)) | |
cur_line_bboxes = self.get_line_bbox(cur_line_bboxes) | |
bboxes.extend(cur_line_bboxes) | |
yield guid, {"id": str(guid), "tokens": tokens, "bboxes": bboxes, "ner_tags": ner_tags, | |
"image": image} |