python:lxml 生成思维导图 Freemind(.mm)文件
请参阅:从PDF中提取目录 或者 java : pdfbox 读取 PDF文件内书签
pip install lxml ;
lxml-5.1.0-cp310-cp310-win_amd64.whl (3.9 MB)
读目录.txt文件,使用 lxml 生成思维导图 Freemind(.mm)文件
编写 txt_etree_mm.py 如下
# -*- coding: utf-8 -*-
""" 读目录.txt文件,使用 lxml 生成思维导图 Freemind(.mm)文件"""
import os
import sys
import codecs
from lxml import etree
if len( sys.argv ) ==2:
f1 = sys.argv[1]
else:
print(u'usage: txt_etree_mm.py file1.txt')
sys.exit(1)
fn,ext = os.path.splitext(f1)
if ext.lower() != '.txt':
print('ext is not .txt')
sys.exit(2)
# 创建根节点
map = etree.Element("map")
map.set('version', '1.0.1')
fp = codecs.open(f1, mode="r", encoding="utf-8")
# 读取第一行:书名
title = fp.readline()
# 创建主题节点
root: etree.ElementBase = etree.Element("node")
root.set('ID', '0')
root.set('STYLE', 'bubble') # 泡框
root.set('TEXT', title.strip())
map.append(root)
# 定义连线的颜色:红色
edge: etree.ElementBase = etree.Element("edge")
edge.set('COLOR', "#ff0000")
root.append(edge)
# 用缩排表现层级关系,假设最多5个层级
indent1 = ' '*2
indent2 = ' '*4
indent3 = ' '*6
indent4 = ' '*8
n = 1
for line in fp:
if len(line.strip()) ==0:
continue
elif len(line.strip()) >0 and line[0] !=' ':
# 创建主题的子节点(1级节点)
node1: etree.ElementBase = etree.Element("node")
node1.set('ID', str(n))
node1.set('POSITION', "right")
node1.set('TEXT', line.strip())
root.append(node1)
p_node = node1 # 寄存父节点
elif line.startswith(indent1) and line[2] !=' ':
# 创建node1的子节点(2级节点)
node2: etree.ElementBase = etree.Element("node")
node2.set('ID', str(n))
node2.set('TEXT', line.strip())
node1.append(node2)
p_node = node2
elif line.startswith(indent2) and line[4] !=' ':
# 创建node2的子节点(3级节点)
node3: etree.ElementBase = etree.Element("node")
node3.set('FLODED', "true")
node3.set('ID', str(n))
node3.set('TEXT', line.strip())
try:
node2.append(node3)
except:
p_node.append(node3)
p_node = node3
elif line.startswith(indent3) and line[6] !=' ':
# 创建node3的子节点(4级节点)
node4: etree.ElementBase = etree.Element("node")
node4.set('ID', str(n))
node4.set('TEXT', line.strip())
try:
node3.append(node4)
except:
p_node.append(node4)
p_node = node4
elif line.startswith(indent4) and line[8] !=' ':
# 创建node4的子节点(5级节点)
node5: etree.ElementBase = etree.Element("node")
node5.set('ID', str(n))
node5.set('TEXT', line.strip())
p_node.append(node5)
else:
print(line)
n += 1
fp.close()
# 转换成 str,方便导出
map_bytes = etree.tostring(map, pretty_print=True)
# 导出到 .mm 格式的文件中
f2 = fn +'.mm'
with open(f2, 'w+b') as fp:
fp.write(map_bytes)
print(f"line number: {n}")
运行 python txt_etree_mm.py your_pdf_dir.txt