568 lines
20 KiB
Python
568 lines
20 KiB
Python
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import os
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import re
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import json
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import time
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import shutil
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import zipfile
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from urllib.parse import urlparse
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from uuid import uuid4
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from PySide2.QtCore import QMutex
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from typing import Dict
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from umi_log import logger
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from call_func import CallFunc
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from .bottle import request, static_file, HTTPError
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from .ocr_server import get_ocr_options
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from ..ocr.output import Output
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from ..mission.mission_doc import MissionDOC, DocSuf
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from ..utils.utils import initConfigDict
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from ..ocr.output.tools import getDataText
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UPLOAD_DIR = "./temp_doc" # 上传文件临时目录
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TEMP_FILE_RETENTION_DURATION = 24 # 任务临时文件保留时长，小时
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TEMP_FILE_CLEANUP_INTERVAL = 0.5 # 自动清理临时文件的间隔，小时
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# 获取参数模板字典
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def get_doc_options():
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opts = get_ocr_options(is_format=False)
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opts["tbpu.ignoreRangeStart"] = {
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"title": "忽略区域起始",
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"toolTip": "忽略区域生效的页数范围起始。从1开始。",
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"default": 1,
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"isInt": True,
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}
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opts["tbpu.ignoreRangeEnd"] = {
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"title": "忽略区域结束",
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"toolTip": "忽略区域生效的页数范围结束。可以用负数表示倒数第X页。",
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"default": -1,
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"isInt": True,
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}
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opts["pageRangeStart"] = {
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"title": "OCR页数起始",
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"toolTip": "OCR的页数范围起始。从1开始。",
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"default": 1,
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"isInt": True,
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}
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opts["pageRangeEnd"] = {
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"title": "OCR页数结束",
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"toolTip": "OCR的页数范围结束。可以用负数表示倒数第X页。",
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"default": -1,
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"isInt": True,
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}
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opts["pageList"] = {
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"title": "OCR页数列表",
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"toolTip": "数组，可指定单个或多个页数。例：[1,2,5]表示对第1、2、5页进行OCR。如果与页数范围同时填写，则 pageList 优先。",
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"default": [],
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"type": "var",
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}
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opts["password"] = {
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"title": "密码",
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"toolTip": "如果文档已加密，则填写文档密码。",
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"default": "",
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}
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opts["doc.extractionMode"] = {
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"title": "内容提取模式",
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"toolTip": "若一页文档既存在图片又存在文本，如何进行处理。",
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"optionsList": [
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["mixed", "混合OCR/原文本"],
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["fullPage", "整页强制OCR"],
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["imageOnly", "仅OCR图片"],
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["textOnly", "仅拷贝原有文本"],
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],
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}
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opts = initConfigDict(opts) # 格式化
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return opts
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UPLOAD_DIR = os.path.abspath(UPLOAD_DIR) # 路径转绝对
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TEMP_FILE_RETENTION_DURATION *= 3600 # 小时转为秒
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TEMP_FILE_CLEANUP_INTERVAL *= 3600
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# 异常类
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class DocUnitError(Exception):
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def __init__(self, data):
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self.data = data
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# 单个任务单元
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class _DocUnit:
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def __init__(
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self, dir_id, dir_path, origin_path, origin_name, origin_prefix, options
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):
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# 提取文档信息
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doc_info = MissionDOC.getDocInfo(origin_path)
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if "error" in doc_info.keys():
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raise DocUnitError({"code": 201, "data": doc_info["error"]})
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# 补充缺失的默认参数
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default = get_doc_options()
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for key in default:
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if key not in options:
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options[key] = default[key]["default"]
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# 提取参数
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page_range = [options["pageRangeStart"], options["pageRangeEnd"]] # 识别范围
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page_list = options["pageList"] # 页数列表
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if page_list: # 下标起始由1转为0
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page_list = [x - 1 for x in page_list]
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password = options["password"] # 密码
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if not password and doc_info["is_encrypted"]:
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raise DocUnitError(
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{
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"code": 202,
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"data": "The doc is encrypted, please fill in the password.",
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}
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)
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# 从 options 中提取一些条目，组装 docArgd 作为 MissionDoc 任务参数字典
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prefixes = ["ocr.", "doc.", "tbpu."] # 要提取的条目前缀
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doc_argd = {}
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for k, v in options.items():
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for prefix in prefixes:
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if k.startswith(prefix):
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doc_argd[k] = v
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break
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# 任务信息
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msnInfo = {
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"onStart": self._onStart,
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"onGet": self._onGet,
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"onEnd": self._onEnd,
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"argd": doc_argd,
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}
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# 提交任务
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self.msnID = ""
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msg = MissionDOC.addMission(
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msnInfo, origin_path, page_range, page_list, password
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)
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if not msg:
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raise DocUnitError({"code": 203, "data": "addMission unknow."})
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if msg.startswith("["):
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raise DocUnitError({"code": 204, "data": msg})
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page_list = msnInfo["pageList"]
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self.password = password
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self.dir_id = dir_id
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self.dir_path = dir_path
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self.origin_prefix = origin_prefix
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self.origin_name = origin_name
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self.origin_path = origin_path
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self.msnID = msg # 任务ID
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self.results = {} # 任务结果原始字典，键为页数
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self.pages_count = len(page_list) # 任务总页数
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self.processed_count = 0 # 已处理的页数
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self.unread_list = [] # 未读的任务列表
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self.is_done = False # 当前任务是否完成
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self.state = "waiting" # 任务状态， waiting running success failure
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self.message = "" # 如果任务失败，则记录失败信息
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self.start_timestamp = time.time() # 开始时间戳
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self.end_timestamp = time.time() # 任务结束的时间戳
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self._mutex = QMutex() # 主锁
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# ========================= 【接口】 =========================
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# 获取结果
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def get_result(
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self,
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is_data=False, # True 时返回识别内容data
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format="dict", # 识别内容格式， "dict", "text"
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is_unread=False, # True 时只返回未读过的识别内容
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):
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self._mutex.lock()
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data = {
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"code": 100,
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"processed_count": self.processed_count, # 已处理的数量
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"pages_count": self.pages_count, # 总页数
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"is_done": self.is_done, # 是否已结束
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"state": self.state, # 任务状态
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"data": [], # 结果
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}
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if self.state == "failure":
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data["message"] = self.message
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# 需要返回识别内容
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if is_data:
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datas = []
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# 增量式
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if is_unread:
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for page in self.unread_list:
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datas.append(self.results[page])
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self.unread_list = []
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# 全量式
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else:
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for _, res in self.results.items():
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datas.append(res)
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# 需要转为纯文本
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if format == "text":
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datas_text = ""
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for res in datas:
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if res["code"] == 100:
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datas_text += getDataText(res["data"])
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datas = datas_text
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data["data"] = datas
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self._mutex.unlock()
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return data
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# 获取文件
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def get_files(
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self,
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base_url, # 下载基础url
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file_types=["pdfLayered"], # 输出文件类型，可选：
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# txt, txtPlain, jsonl, csv, pdfLayered, pdfOneLayer
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ignore_blank=True, # 忽略空白页数
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):
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if not self.is_done:
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return {"code": 201, "data": f"{self.msnID} 任务尚未结束，无法获取文件"}
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if not self.state == "success":
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return {"code": 201, "data": f"{self.msnID} 任务处理失败，无法获取文件"}
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if not isinstance(file_types, list) or not isinstance(ignore_blank, bool):
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return {
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"code": 202,
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"data": f"参数类型错误： file_types={file_types} , ignore_blank={ignore_blank}",
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}
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# 删除旧的文件
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for filename in os.listdir(self.dir_path):
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file_path = os.path.join(self.dir_path, filename)
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if filename != self.origin_name and os.path.isfile(file_path):
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os.remove(file_path)
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# 准备参数
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startDatetime = time.strftime( # 日期时间字符串（标准格式）
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r"%Y-%m-%d %H:%M:%S", time.localtime(self.start_timestamp)
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)
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outputArgd = {
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"outputDir": self.dir_path, # 输出路径
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"outputDirType": "specify",
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"outputFileName": "[OCR]_" + self.origin_prefix, # 输出文件名（前缀）
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"startDatetime": startDatetime, # 开始日期
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"ignoreBlank": ignore_blank, # 忽略空白页数
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"originPath": self.origin_path, # 原始文件
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"password": self.password, # 文档密码
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}
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# 创建输出器
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output = []
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try:
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for f in file_types:
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output.append(Output[f](outputArgd))
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except Exception as e:
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return {"code": 203, "data": f"初始化输出器失败。{e}"}
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# 输出
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for o in output:
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for _, res in self.results.items():
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try:
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o.print(res)
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except Exception as e:
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return {"code": 204, "data": f"输出失败：{o}\n{e}"}
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try:
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o.onEnd() # 保存
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except Exception as e:
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return {"code": 205, "data": f"保存失败：{o}\n{e}"}
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# 收集新的文件
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download_paths = []
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for filename in os.listdir(self.dir_path):
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file_path = os.path.join(self.dir_path, filename)
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if filename != self.origin_name and os.path.isfile(file_path):
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download_paths.append(file_path)
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# 如果文件多，则打包zip
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if not download_paths:
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return {"code": 206, "data": "未找到生成的文件"}
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elif len(download_paths) == 1:
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download_name = os.path.basename(download_paths[0])
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else:
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download_name = f"[OCR]_{self.origin_prefix}.zip"
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zip_path = os.path.join(self.dir_path, download_name)
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# 将 download_list 中的所有文件打包为 zip
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try:
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with zipfile.ZipFile(zip_path, "w") as zipf:
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for p in download_paths:
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zipf.write(p, os.path.basename(p))
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except Exception as e:
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return {"code": 207, "data": f"无法打包zip：{e}"}
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# 组合下载地址
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url = f"{base_url}/api/doc/download/{self.dir_id}/{download_name}"
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return {"code": 100, "data": url, "name": download_name}
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# 清理任务
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def clear(self):
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# 停止任务
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if not self.is_done:
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MissionDOC.stopMissionList([self.msnID])
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time.sleep(0.1) # 给一些时间收尾
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# 尝试删除目录。如果权限原因无法删除，说明OCR线程还在占用，等待OCR结束。
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for i in range(20):
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try:
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if os.path.exists(self.dir_path):
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shutil.rmtree(self.dir_path)
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except PermissionError:
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time.sleep(1)
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# ========================= 【任务控制器的异步回调】 =========================
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def _onStart(self, msnInfo): # 一个文档 开始
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self.state = "running"
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def _onGet(self, msnInfo, page, res): # 一个文档的一页 获取结果
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page += 1
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res["page"] = page
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res["path"] = f"{self.origin_name} - {page}"
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res["fileName"] = f"{self.origin_name} - {page}"
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# 记录信息
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self._mutex.lock()
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self.results[page] = res
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self.processed_count += 1
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self.unread_list.append(page)
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self._mutex.unlock()
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|||
|
|
def _onEnd(self, msnInfo, msg): # 一个文档处理完毕
|
|||
|
|
# msg: [Success] [Warning] [Error]
|
|||
|
|
|
|||
|
|
# 记录信息
|
|||
|
|
self._mutex.lock()
|
|||
|
|
self.is_done = True
|
|||
|
|
if msg == "[Success]":
|
|||
|
|
self.state = "success"
|
|||
|
|
else:
|
|||
|
|
self.state = "failure"
|
|||
|
|
self.message = msg
|
|||
|
|
self.end_timestamp = time.time() # 刷新结束时间戳
|
|||
|
|
self._mutex.unlock()
|
|||
|
|
|
|||
|
|
|
|||
|
|
# 管理所有任务单元
|
|||
|
|
class _DocUnitManagerClass:
|
|||
|
|
def __init__(self):
|
|||
|
|
self.doc_units: Dict[str, _DocUnit] = {}
|
|||
|
|
|
|||
|
|
# 添加一个任务单元
|
|||
|
|
def add(self, id: str, unit: _DocUnit):
|
|||
|
|
self.doc_units[id] = unit
|
|||
|
|
|
|||
|
|
# 获取一个任务单元
|
|||
|
|
def get(self, id: str):
|
|||
|
|
if id not in self.doc_units:
|
|||
|
|
return None
|
|||
|
|
return self.doc_units[id]
|
|||
|
|
|
|||
|
|
# 手动清理一个任务
|
|||
|
|
def clear(self, id: str):
|
|||
|
|
if id in self.doc_units:
|
|||
|
|
self.doc_units[id].clear()
|
|||
|
|
del self.doc_units[id]
|
|||
|
|
return True
|
|||
|
|
return False
|
|||
|
|
|
|||
|
|
# 自动清理
|
|||
|
|
def auto_clear(self):
|
|||
|
|
# 清理超时的任务和文件
|
|||
|
|
if self.doc_units:
|
|||
|
|
now = time.time() # 当前时间戳
|
|||
|
|
del_list = [] # 要清理的id
|
|||
|
|
for id, unit in self.doc_units.items():
|
|||
|
|
if now - unit.end_timestamp > TEMP_FILE_RETENTION_DURATION:
|
|||
|
|
logger.info(f"超时自动清理 {id}")
|
|||
|
|
unit.clear() # 清理文件
|
|||
|
|
del_list.append(id)
|
|||
|
|
for id in del_list:
|
|||
|
|
del self.doc_units[id] # 清理任务对象
|
|||
|
|
# 计划下一次清理
|
|||
|
|
CallFunc.delay(self.auto_clear, TEMP_FILE_CLEANUP_INTERVAL)
|
|||
|
|
|
|||
|
|
|
|||
|
|
_DocUnitManager = _DocUnitManagerClass()
|
|||
|
|
|
|||
|
|
|
|||
|
|
# 路由函数
|
|||
|
|
def init(UmiWeb):
|
|||
|
|
# 清空上传文件目录内容
|
|||
|
|
if os.path.exists(UPLOAD_DIR):
|
|||
|
|
shutil.rmtree(UPLOAD_DIR)
|
|||
|
|
os.makedirs(UPLOAD_DIR)
|
|||
|
|
# 启动自动清理循环
|
|||
|
|
_DocUnitManager.auto_clear()
|
|||
|
|
|
|||
|
|
@UmiWeb.route("/api/doc/get_options")
|
|||
|
|
def _get_options_json():
|
|||
|
|
opts = get_doc_options()
|
|||
|
|
res = json.dumps(opts)
|
|||
|
|
return res
|
|||
|
|
|
|||
|
|
"""
|
|||
|
|
上传文档，方法：POST
|
|||
|
|
参数：文档内容
|
|||
|
|
返回值：
|
|||
|
|
成功： {"code": 100, "data": "任务id"}
|
|||
|
|
失败： {"code": 不是100的值, "data": "失败原因"}
|
|||
|
|
"""
|
|||
|
|
|
|||
|
|
@UmiWeb.route("/api/doc/upload", method="POST")
|
|||
|
|
def _upload():
|
|||
|
|
# 1. 获取上传文件
|
|||
|
|
upload = request.files.get("file")
|
|||
|
|
if not upload:
|
|||
|
|
return {"code": 101, "data": "[Error] No file was uploaded."}
|
|||
|
|
|
|||
|
|
# 2. 获取文件名，检查文件后缀
|
|||
|
|
# origin_name = upload.filename
|
|||
|
|
# 将原始文件名转为合法文件名
|
|||
|
|
def filename_convert(raw_filename: str):
|
|||
|
|
# 去除前后的空格
|
|||
|
|
raw_filename = raw_filename.strip()
|
|||
|
|
# 定义非法字符
|
|||
|
|
illegal_chars = r'[\/:*?"<>|]'
|
|||
|
|
# 替换非法字符
|
|||
|
|
sanitized_filename = re.sub(illegal_chars, "_", raw_filename)
|
|||
|
|
# 限制文件名长度为255个字符
|
|||
|
|
max_length = 255
|
|||
|
|
if len(sanitized_filename) > max_length:
|
|||
|
|
sanitized_filename = sanitized_filename[:max_length]
|
|||
|
|
return sanitized_filename
|
|||
|
|
|
|||
|
|
try:
|
|||
|
|
origin_name = filename_convert(upload.raw_filename)
|
|||
|
|
origin_prefix, ext = os.path.splitext(origin_name)
|
|||
|
|
ext = ext.lower()
|
|||
|
|
except Exception as e:
|
|||
|
|
return {"code": 102, "data": f"[Error] Unable to obtain raw_filename: {e}"}
|
|||
|
|
if ext not in DocSuf:
|
|||
|
|
return {
|
|||
|
|
"code": 103,
|
|||
|
|
"data": f"[Error] File extension '{ext}' is not allowed.",
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# 3. 指定文件编号。创建对应目录，保存文件到 ./temp/dir_id/原文件名
|
|||
|
|
dir_id = str(uuid4())
|
|||
|
|
dir_path = os.path.join(UPLOAD_DIR, f"{dir_id}")
|
|||
|
|
dir_path = os.path.abspath(dir_path) # 将路径转为绝对路径
|
|||
|
|
file_path = os.path.join(dir_path, origin_name)
|
|||
|
|
# 安全检测： file_path 是否在 UPLOAD_DIR 中
|
|||
|
|
if os.path.commonpath([UPLOAD_DIR]) != os.path.commonpath(
|
|||
|
|
[UPLOAD_DIR, file_path]
|
|||
|
|
):
|
|||
|
|
return {"code": 104, "data": f"[Error] Unauthorized path"}
|
|||
|
|
|
|||
|
|
try:
|
|||
|
|
if os.path.exists(dir_path): # 如果目录存在，则删除该目录
|
|||
|
|
shutil.rmtree(dir_path)
|
|||
|
|
os.makedirs(dir_path) # 重新创建目录
|
|||
|
|
except Exception as e:
|
|||
|
|
return {"code": 105, "data": f"[Error] Failed to create dir_id: {e}"}
|
|||
|
|
try:
|
|||
|
|
upload.save(file_path, overwrite=True) # 保存文件
|
|||
|
|
except Exception as e:
|
|||
|
|
return {"code": 106, "data": f"[Error] Failed to save file: {e}"}
|
|||
|
|
|
|||
|
|
# 4. 提取 options 参数
|
|||
|
|
options = request.forms.get("json")
|
|||
|
|
if options:
|
|||
|
|
try:
|
|||
|
|
options = json.loads(options)
|
|||
|
|
except Exception as e:
|
|||
|
|
shutil.rmtree(dir_path)
|
|||
|
|
return {
|
|||
|
|
"code": 107,
|
|||
|
|
"data": f"[Error] Invalid JSON format: {options} | {e}",
|
|||
|
|
}
|
|||
|
|
if not isinstance(options, dict):
|
|||
|
|
options = {}
|
|||
|
|
|
|||
|
|
# 5. 构造任务对象
|
|||
|
|
try:
|
|||
|
|
doc_unit = _DocUnit(
|
|||
|
|
dir_id, dir_path, file_path, origin_name, origin_prefix, options
|
|||
|
|
)
|
|||
|
|
msnID = doc_unit.msnID
|
|||
|
|
_DocUnitManager.add(msnID, doc_unit)
|
|||
|
|
logger.info(f"添加 HTTP 文档任务: {origin_name}")
|
|||
|
|
return {"code": 100, "data": msnID}
|
|||
|
|
except DocUnitError as e:
|
|||
|
|
shutil.rmtree(dir_path)
|
|||
|
|
return e.data
|
|||
|
|
except Exception as e:
|
|||
|
|
shutil.rmtree(dir_path)
|
|||
|
|
return {"code": 108, "data": f"[Error] Failed to submit mission: {e}"}
|
|||
|
|
|
|||
|
|
"""
|
|||
|
|
获取结果，方法：POST
|
|||
|
|
json参数：
|
|||
|
|
"id"="", # 任务ID
|
|||
|
|
"is_data"=False, # True 时返回识别内容data
|
|||
|
|
"format"="dict", # 识别内容格式， "dict", "text"
|
|||
|
|
"is_unread"=False, # True 时只返回未读过的识别内容
|
|||
|
|
|
|||
|
|
返回值： {}
|
|||
|
|
"""
|
|||
|
|
|
|||
|
|
@UmiWeb.route("/api/doc/result", method="POST")
|
|||
|
|
def _result():
|
|||
|
|
try:
|
|||
|
|
user_data = request.json
|
|||
|
|
except Exception as e:
|
|||
|
|
return {"code": 101, "data": f"请求无法解析为json。"}
|
|||
|
|
if not user_data or "id" not in user_data:
|
|||
|
|
return {"code": 102, "data": f"未填写id。"}
|
|||
|
|
msnID = user_data["id"]
|
|||
|
|
doc_unit = _DocUnitManager.get(msnID)
|
|||
|
|
if not doc_unit:
|
|||
|
|
return {"code": 103, "data": f"任务 {msnID} 不存在。"}
|
|||
|
|
is_data = user_data.get("is_data", False)
|
|||
|
|
format = user_data.get("format", "dict")
|
|||
|
|
is_unread = user_data.get("is_unread", True)
|
|||
|
|
return doc_unit.get_result(is_data, format, is_unread)
|
|||
|
|
|
|||
|
|
"""
|
|||
|
|
获取文件，方法：POST
|
|||
|
|
json参数：
|
|||
|
|
"id"="", # 任务ID
|
|||
|
|
"file_types"=["pdfLayered"], # 输出文件类型，可选：
|
|||
|
|
# ["txt", "txtPlain", "jsonl", "csv", "pdfLayered", "pdfOneLayer"]
|
|||
|
|
"ignore_blank"=True, # 忽略空白页数
|
|||
|
|
|
|||
|
|
返回值： {}
|
|||
|
|
"""
|
|||
|
|
|
|||
|
|
@UmiWeb.route("/api/doc/download", method="POST")
|
|||
|
|
def _download_build():
|
|||
|
|
try:
|
|||
|
|
user_data = request.json
|
|||
|
|
except Exception as e:
|
|||
|
|
return {"code": 101, "data": f"请求无法解析为json。"}
|
|||
|
|
if not user_data or "id" not in user_data:
|
|||
|
|
return {"code": 102, "data": f"未填写id。"}
|
|||
|
|
msnID = user_data["id"]
|
|||
|
|
doc_unit = _DocUnitManager.get(msnID)
|
|||
|
|
if not doc_unit:
|
|||
|
|
return {"code": 103, "data": f"任务 {msnID} 不存在。"}
|
|||
|
|
|
|||
|
|
file_types = user_data.get("file_types", ["pdfLayered"])
|
|||
|
|
ignore_blank = user_data.get("ignore_blank", True)
|
|||
|
|
parsed_url = urlparse(request.url)
|
|||
|
|
base_url = f"{parsed_url.scheme}://{parsed_url.netloc}"
|
|||
|
|
return doc_unit.get_files(base_url, file_types, ignore_blank)
|
|||
|
|
|
|||
|
|
# 下载文件
|
|||
|
|
@UmiWeb.route("/api/doc/download/<id>/<download_name>")
|
|||
|
|
def _download_get(id, download_name):
|
|||
|
|
dir = os.path.join(UPLOAD_DIR, id)
|
|||
|
|
path = os.path.join(dir, download_name)
|
|||
|
|
# 安全检测： path 是否在 UPLOAD_DIR 中
|
|||
|
|
if os.path.commonpath([UPLOAD_DIR]) != os.path.commonpath([UPLOAD_DIR, path]):
|
|||
|
|
raise HTTPError(103, "[Error] Unauthorized path.")
|
|||
|
|
return static_file(download_name, root=dir)
|
|||
|
|
|
|||
|
|
# 清理任务
|
|||
|
|
@UmiWeb.route("/api/doc/clear/<id>")
|
|||
|
|
def _clear(id):
|
|||
|
|
flag = _DocUnitManager.clear(id)
|
|||
|
|
if flag:
|
|||
|
|
return {"code": 100, "data": "Success"}
|
|||
|
|
return {"code": 101, "data": f"{id} does not exist."}
|