xml文件实例

处理代码如下

import xml.etree.ElementTree as ET
import numpy as np
import json
import math
from collections import Counter

def read_xml_annotation(root_path):  # (源xml文件夹地址和文件夹内所有图像名称)
    in_file = open(root_path)
    tree = ET.parse(in_file)
    root = tree.getroot()
    a = set()
   
    for i,image in enumerate(root.findall("image")):
        tusimple_dict = {}
        image_infos = image.attrib
        
        tusimple_dict["lanes"] = []
        tusimple_dict["h_samples"] = []
        tusimple_dict["raw_file"] = 'clips'+"/0407/"+image_infos["name"]
        tusimple_dict["classes"] = []
        
        for polyline in image.findall("polyline"):
            polyline_infos = polyline.attrib
            
            if polyline_infos["label"] == "dash":
            	polyline_infos["label"] = 1 
            elif polyline_infos["label"] == 'diversion':
                polyline_infos["label"] = 4

            direction = root.find(".//polyline/attribute[@name='direction']").text
            relation = root.find(".//polyline/attribute[@name='relation']").text
            IDnumber = root.find(".//polyline/attribute[@name='ID']").text
            color = root.find(".//polyline/attribute[@name='color']").text
            
            print("11111",direction)
            print("22222",relation)
            print("33333",IDnumber)
            print("44444",color)

            if direction == "forward":
            	tusimple_dict["classes"].append(polyline_infos["label"])
                tusimple_dict["lanes"].append(polyline_infos["points"])
            
        output,indexs_mapping = deal_points_data(tusimple_dict["lanes"])
        
        h_samples = list(range(160, 720, 10)) # range（start,end,step）

        tusimple_dict["h_samples"] = h_samples
        # for label in tusimple_dict["classes"]:
            
        #     a.add(label)
        
        # else:
        #     fw = open("label_data_0407_withclasses.json", "a+")
            
        #     tusimple_dict["classes"] = ' '.join(map(str, tusimple_dict["classes"]))
        #     print("last question",tusimple_dict["classes"])
        fw = open("label_data_0407_with.json", "a+")
        json.dump(tusimple_dict, fw, ensure_ascii=False)
        fw.write("\n")
        
# for i in range(1,6):
    # xml_root = "D:/CDXdataTransform/datasets/annotations/annotations0{}.xml".format(str(i))
    # read_xml_annotation(xml_root)

xml_root = "E:/CDXdata/datasets/annotations/annotations.xml"
read_xml_annotation(xml_root)