11.pythonとxml,json
◼︎xml
ElementTree XML APIを利用して、xmlを操作します。
◼︎◼︎python(xmlへの書込)
import xml.etree.ElementTree as ET
root: ET.Element = ET.Element('root')
tree: ET.ElementTree = ET.ElementTree(element=root)
employee: ET.Element = ET.SubElement(root, 'employee')
employ: ET.Element = ET.SubElement(employee, 'employ')
employId: ET.Element = ET.SubElement(employ, 'id')
employId.text = '1111'
employId: ET.Element = ET.SubElement(employ, 'name')
employId.text = 'Mike'
employ: ET.Element = ET.SubElement(employee, 'employ')
employId: ET.Element = ET.SubElement(employ, 'id')
employId.text = '222'
employId: ET.Element = ET.SubElement(employ, 'name')
employId.text = 'Nancy'
tree.write('text.xml', encoding='utf-8', xml_declaration=True)
◼︎◼︎test.xml
<?xml version='1.0' encoding='utf-8'?>
<root>
<employee>
<employ>
<id>1111</id>
<name>Mike</name>
</employ>
<employ>
<id>222</id>
<name>Nancy</name>
</employ>
</employee>
</root>
◼︎◼︎python(xmlの読込)
import xml.etree.ElementTree as ET
tree: ET.ElementTree = ET.ElementTree(file='text.xml')
root = tree.getroot()
'''
id 1111
name Mike
id 222
name Nancy
'''
for employee in root:
for employ in employee:
for person in employ:
print(person.tag, person.text)
◼︎json
jsonモジュールを利用することで、jsonを扱える。
JSON エンコーダおよびデコーダ
◼︎◼︎python(書込, 読込)
import json
jsonDict: dict = {
'employee':
[
{'id': 111, 'name': 'Mike'},
{'id': 222, 'name': 'Nancy'}
]
}
# jsonFile -with利用-
with open('test.json', 'w') as jsonFile:
json.dump(jsonDict, jsonFile)
'''
dict型で操作できる
{'employee': [{'id': 111, 'name': 'Mike'}, {'id': 222, 'name': 'Nancy'}]}
{'employee': [{'id': 111, 'name': 'Mike'}, {'id': 222, 'name': 'Nancy'}]}
'''
with open('test.json', 'r') as jsonFile:
print(json.load(jsonFile))
◼︎◼︎json
{
"employee": [
{"id": 111, "name": "Mike"},
{"id": 222, "name": "Nancy"}
]
}
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