Python XML・Json – テックメモ

# XML --------------------------------------------------------

import xml.etree.ElementTree as et

# 作成
root = et.Element("root")
tree = et.ElementTree(element=root)
user = et.SubElement(root, "user")
id = et.SubElement(user, "id")
id.text = "1"
name = et.SubElement(user, "name")
name.text = "taro"

# 書き込み
tree.write("t.xml", encoding="utf-8", xml_declaration=True)

# 読み込み
tree = et.ElementTree(file="t.xml")
root = tree.getroot()
for user in root:
    for i in user:
        print(i.tag, i.text)

# Json --------------------------------------------------------

import json

# 作成
j = {
    "user":
        [
            {"id":"1", "name":"taro"}
        ]
    }

# dumps(), dump()でJsonの形にする
# ファイルの書き込み読み込みはdump(),load()
# 変数の書き込み・読み込みはdumps(), loads()

# 書き込み
with open("t.json", "w") as f:
    json.dump(j, f)
# 読み込み
with open("t.json", "r") as f:
    print(json.load(f))

# 書き込み
tmp = json.dumps(j)
# 読み込み
print(json.loads(tmp))

# XML --------------------------------------------------------

import xml.etree.ElementTree as et

# 作成

root = et.Element("root")

tree = et.ElementTree(element=root)

user = et.SubElement(root, "user")

id = et.SubElement(user, "id")

id.text = "1"

name = et.SubElement(user, "name")

name.text = "taro"

# 書き込み

tree.write("t.xml", encoding="utf-8", xml_declaration=True)

# 読み込み

tree = et.ElementTree(file="t.xml")

root = tree.getroot()

for user in root:

for i in user:

print(i.tag, i.text)

# Json --------------------------------------------------------

import json

# 作成

j = {

"user":

[

{"id":"1", "name":"taro"}

]

}

# dumps(), dump()でJsonの形にする

# ファイルの書き込み読み込みはdump(),load()

# 変数の書き込み・読み込みはdumps(), loads()

# 書き込み

with open("t.json", "w") as f:

json.dump(j, f)

# 読み込み

with open("t.json", "r") as f:

print(json.load(f))

# 書き込み

tmp = json.dumps(j)

# 読み込み

print(json.loads(tmp))