把txt格式数据制作成xml数据

txt格式数据：

代码：

s1="""    <object>
<name>{0}</name>
<pose>Unspecified</pose>
<truncated>0</truncated>
<difficult>0</difficult>
<bndbox>
<xmin>{1}</xmin>
<ymin>{2}</ymin>
<xmax>{3}</xmax>
<ymax>{4}</ymax>
</bndbox>
</object>"""

s2="""<annotation>
<folder>VOC2007</folder>
<filename>{0}</filename>
<source>
<database>My Database</database>
<annotation>VOC2007</annotation>
<image>flickr</image>
<flickrid>NULL</flickrid>
</source>
<owner>
<flickrid>NULL</flickrid>
<name>J</name>
</owner>
<size>
<width>960</width>
<height>600</height>
<depth>3</depth>
</size>
<segmented>0</segmented>
<object>
<name>{1}</name>
<pose>Unspecified</pose>
<truncated>0</truncated>
<difficult>0</difficult>
<bndbox>
<xmin>{2}</xmin>
<ymin>{3}</ymin>
<xmax>{4}</xmax>
<ymax>{5}</ymax>
</bndbox>
</object>{6}
</annotation>
"""

with open('/home/xingyuzhou/Desktop/test_GT.txt','r') as textlist:
for text in textlist:
text = text.strip().split()
image_name = text[0]
image_num = int(text[1])
ob2 = ''
x1 = 'car'
x3 = text[2:6]

if image_num > 1:  # extra annotation
for i in range(2,image_num+1):
y = text[4*(i-1)+2:4*i+2]
ob2+='\n' + s1.format(x1,y[0],y[1],y[2],y[3])

savename = image_name.split('.')[0] + '.xml'
file = open('/home/xingyuzhou/data/%s'%savename,'w')
# with open('/home/bnrc/data/%s'%savename,'a') as file:
ob1=s2.format(image_name, x1, x3[0],x3[1],x3[2],x3[3],  ob2)
file.write(ob1)
file.close()