วิธีจัดเก็บข้อมูลลำดับชั้นในโครงสร้างแบบซ้อน

import json

toc = """1 Main Heading 1
1.1 Sub-heading 1
1.2 Sub-heading 2
2 Main Heading 2
2.1 Sub-heading 1
2.1.1 Sub-Sub-heading 1
2.1.2 Sub-Sub-heading 2"""

myfile = 'myfile'

data = {myfile:{}}
for line in toc.splitlines():
    levels, title = line.split(' ', maxsplit=1)
    levels = levels.rstrip('.').split('.')
    if len(levels) == 1:
        heading = title
        data[myfile][heading] = {}
    elif len(levels) == 2:
        sub_heading = title
        data[myfile][heading][sub_heading] = []
    if len(levels) == 3:
        data[myfile][heading][sub_heading].append(title)

print(json.dumps(data, indent=4))

เอาท์พุท

{
    "myfile": {
        "Main Heading 1": {
            "Sub-heading 1": [],
            "Sub-heading 2": []
        },
        "Main Heading 2": {
            "Sub-heading 1": [
                "Sub-Sub-heading 1",
                "Sub-Sub-heading 2"
            ]
        }
    }
}