Unverified Commit 43cdaa55 authored by Xiaomeng Zhao's avatar Xiaomeng Zhao Committed by GitHub
Browse files

Delete magic_pdf/pipe/AbsPipe.py

parent c35aa792
from abc import ABC, abstractmethod
from magic_pdf.config.drop_reason import DropReason
from magic_pdf.config.make_content_config import DropMode, MakeMode
from magic_pdf.data.data_reader_writer import DataWriter
from magic_pdf.data.dataset import Dataset
from magic_pdf.dict2md.ocr_mkcontent import union_make
from magic_pdf.filter.pdf_classify_by_type import classify
from magic_pdf.filter.pdf_meta_scan import pdf_meta_scan
from magic_pdf.libs.json_compressor import JsonCompressor
class AbsPipe(ABC):
"""txt和ocr处理的抽象类."""
PIP_OCR = 'ocr'
PIP_TXT = 'txt'
def __init__(self, dataset: Dataset, model_list: list, image_writer: DataWriter, is_debug: bool = False,
start_page_id=0, end_page_id=None, lang=None, layout_model=None, formula_enable=None, table_enable=None):
self.dataset = dataset
self.model_list = model_list
self.image_writer = image_writer
self.pdf_mid_data = None # 未压缩
self.is_debug = is_debug
self.start_page_id = start_page_id
self.end_page_id = end_page_id
self.lang = lang
self.layout_model = layout_model
self.formula_enable = formula_enable
self.table_enable = table_enable
def get_compress_pdf_mid_data(self):
return JsonCompressor.compress_json(self.pdf_mid_data)
@abstractmethod
def pipe_classify(self):
"""有状态的分类."""
raise NotImplementedError
@abstractmethod
def pipe_analyze(self):
"""有状态的跑模型分析."""
raise NotImplementedError
@abstractmethod
def pipe_parse(self):
"""有状态的解析."""
raise NotImplementedError
def pipe_mk_uni_format(self, img_parent_path: str, drop_mode=DropMode.WHOLE_PDF):
content_list = AbsPipe.mk_uni_format(self.get_compress_pdf_mid_data(), img_parent_path, drop_mode)
return content_list
def pipe_mk_markdown(self, img_parent_path: str, drop_mode=DropMode.WHOLE_PDF, md_make_mode=MakeMode.MM_MD):
md_content = AbsPipe.mk_markdown(self.get_compress_pdf_mid_data(), img_parent_path, drop_mode, md_make_mode)
return md_content
@staticmethod
def classify(pdf_bytes: bytes) -> str:
"""根据pdf的元数据,判断是文本pdf,还是ocr pdf."""
pdf_meta = pdf_meta_scan(pdf_bytes)
if pdf_meta.get('_need_drop', False): # 如果返回了需要丢弃的标志,则抛出异常
raise Exception(f"pdf meta_scan need_drop,reason is {pdf_meta['_drop_reason']}")
else:
is_encrypted = pdf_meta['is_encrypted']
is_needs_password = pdf_meta['is_needs_password']
if is_encrypted or is_needs_password: # 加密的,需要密码的,没有页面的,都不处理
raise Exception(f'pdf meta_scan need_drop,reason is {DropReason.ENCRYPTED}')
else:
is_text_pdf, results = classify(
pdf_meta['total_page'],
pdf_meta['page_width_pts'],
pdf_meta['page_height_pts'],
pdf_meta['image_info_per_page'],
pdf_meta['text_len_per_page'],
pdf_meta['imgs_per_page'],
pdf_meta['text_layout_per_page'],
pdf_meta['invalid_chars'],
)
if is_text_pdf:
return AbsPipe.PIP_TXT
else:
return AbsPipe.PIP_OCR
@staticmethod
def mk_uni_format(compressed_pdf_mid_data: str, img_buket_path: str, drop_mode=DropMode.WHOLE_PDF) -> list:
"""根据pdf类型,生成统一格式content_list."""
pdf_mid_data = JsonCompressor.decompress_json(compressed_pdf_mid_data)
pdf_info_list = pdf_mid_data['pdf_info']
content_list = union_make(pdf_info_list, MakeMode.STANDARD_FORMAT, drop_mode, img_buket_path)
return content_list
@staticmethod
def mk_markdown(compressed_pdf_mid_data: str, img_buket_path: str, drop_mode=DropMode.WHOLE_PDF, md_make_mode=MakeMode.MM_MD) -> list:
"""根据pdf类型,markdown."""
pdf_mid_data = JsonCompressor.decompress_json(compressed_pdf_mid_data)
pdf_info_list = pdf_mid_data['pdf_info']
md_content = union_make(pdf_info_list, md_make_mode, drop_mode, img_buket_path)
return md_content
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