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- import os
- import cv2
- import numpy as np
- from paddleocr.ppstructure.table.predict_table import TableSystem
- from paddleocr.ppstructure.utility import init_args
- from PIL import Image
- from magic_pdf.config.constants import * # noqa: F403
- class TableMasterPaddleModel(object):
- """This class is responsible for converting image of table into HTML format
- using a pre-trained model.
- Attributes:
- - table_sys: An instance of TableSystem initialized with parsed arguments.
- Methods:
- - __init__(config): Initializes the model with configuration parameters.
- - img2html(image): Converts a PIL Image or NumPy array to HTML string.
- - parse_args(**kwargs): Parses configuration arguments.
- """
- def __init__(self, config):
- """
- Parameters:
- - config (dict): Configuration dictionary containing model_dir and device.
- """
- args = self.parse_args(**config)
- self.table_sys = TableSystem(args)
- def img2html(self, image):
- """
- Parameters:
- - image (PIL.Image or np.ndarray): The image of the table to be converted.
- Return:
- - HTML (str): A string representing the HTML structure with content of the table.
- """
- if isinstance(image, Image.Image):
- image = np.asarray(image)
- image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
- pred_res, _ = self.table_sys(image)
- pred_html = pred_res['html']
- # res = '<td><table border="1">' + pred_html.replace("<html><body><table>", "").replace(
- # "</table></body></html>","") + "</table></td>\n"
- return pred_html
- def parse_args(self, **kwargs):
- parser = init_args()
- model_dir = kwargs.get('model_dir')
- table_model_dir = os.path.join(model_dir, TABLE_MASTER_DIR) # noqa: F405
- table_char_dict_path = os.path.join(model_dir, TABLE_MASTER_DICT) # noqa: F405
- det_model_dir = os.path.join(model_dir, DETECT_MODEL_DIR) # noqa: F405
- rec_model_dir = os.path.join(model_dir, REC_MODEL_DIR) # noqa: F405
- rec_char_dict_path = os.path.join(model_dir, REC_CHAR_DICT) # noqa: F405
- device = kwargs.get('device', 'cpu')
- use_gpu = True if device.startswith('cuda') else False
- config = {
- 'use_gpu': use_gpu,
- 'table_max_len': kwargs.get('table_max_len', TABLE_MAX_LEN), # noqa: F405
- 'table_algorithm': 'TableMaster',
- 'table_model_dir': table_model_dir,
- 'table_char_dict_path': table_char_dict_path,
- 'det_model_dir': det_model_dir,
- 'rec_model_dir': rec_model_dir,
- 'rec_char_dict_path': rec_char_dict_path,
- }
- parser.set_defaults(**config)
- return parser.parse_args([])
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