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Obsidian-Vault-HTML-Graph-Generator.py
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Obsidian-Vault-HTML-Graph-Generator.py
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import os
import markdown
import json
import re
from collections import defaultdict
import tkinter as tk
from tkinter import filedialog, messagebox
# Global variables to store directories
vault_dir = None
output_dir = None
def parse_vault(vault_dir):
notes = {}
links = defaultdict(list)
for root, _, files in os.walk(vault_dir):
for file in files:
if file.endswith('.md'):
file_path = os.path.join(root, file)
with open(file_path, 'r', encoding='utf-8') as f:
content = f.read()
html_content = markdown.markdown(content)
notes[file.lower()] = {"content": content, "html": html_content}
link_patterns = [
r'\[\[(.*?)\]\]',
r'\[([^\]]+)\]\(([^)]+)\)',
r'!\[\[(.*?)\]\]'
]
for pattern in link_patterns:
for match in re.finditer(pattern, content):
link = match.group(1)
link = link.split('|')[0]
link = link.split('#')[0]
link = link.strip().lower()
links[file.lower()].append(link)
return notes, links
def generate_graph_data(notes, links, color_groups):
def capitalize_first_letter(s):
return s[0].upper() + s[1:] if s else s
nodes = [{"id": note, "label": capitalize_first_letter(os.path.splitext(note)[0]), "content": notes[note]["content"]} for note in notes.keys()]
edges = []
node_link_count = defaultdict(int)
for src, dst_list in links.items():
node_link_count[src] += len(dst_list)
for dst in dst_list:
potential_targets = [
dst,
dst + '.md',
os.path.splitext(dst)[0] + '.md'
]
matched = False
for target in potential_targets:
if target in notes:
edges.append({"source": src, "target": target})
node_link_count[target] += 1
matched = True
break
for node in nodes:
node['link_count'] = node_link_count[node['id']]
node['color'] = get_node_color(node, color_groups)
for node in nodes:
del node['content']
return nodes, edges
def get_node_color(node, color_groups):
content = node['content']
for group in color_groups:
if group['query'] and re.search(group['query'], content, re.IGNORECASE):
return group['color']
return "#7f7f7f"
def rgb_to_hex(rgb):
return f"#{rgb:06x}"
def get_obsidian_colors(vault_dir):
graph_config_path = os.path.join(vault_dir, '.obsidian', 'graph.json')
try:
with open(graph_config_path, 'r') as f:
graph_config = json.load(f)
color_groups = graph_config.get('colorGroups', [])
for group in color_groups:
group['color'] = rgb_to_hex(group['color']['rgb'])
return color_groups
except Exception as e:
return []
def create_html_file(nodes, edges, color_groups, output_dir):
html_content = """
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
body { margin: 0; padding: 0; overflow: hidden; background-color: #1e1e1e; }
.node { cursor: move; }
.link { stroke: #999; stroke-opacity: 0.6; }
text { font-family: Arial, sans-serif; font-size: 12px; pointer-events: none; fill: #fff; }
svg { width: 100vw; height: 100vh; }
</style>
</head>
<body>
<div id="graph"></div>
<script src="https://d3js.org/d3.v5.min.js"></script>
<script>
var nodes = """ + json.dumps(nodes) + """;
var links = """ + json.dumps(edges) + """;
var colorGroups = """ + json.dumps(color_groups) + """;
var width = window.innerWidth;
var height = window.innerHeight;
var svg = d3.select("#graph")
.append("svg")
.attr("width", width)
.attr("height", height);
var g = svg.append("g");
var zoom = d3.zoom()
.scaleExtent([0.1, 4])
.on("zoom", zoomed);
svg.call(zoom);
function zoomed() {
g.attr("transform", d3.event.transform);
}
function customForce(alpha) {
const centerX = width / 2;
const centerY = height / 2;
const strength = 0.05;
for (let i = 0; i < nodes.length; i++) {
const node = nodes[i];
node.vx += (centerX - node.x) * strength * alpha;
node.vy += (centerY - node.y) * strength * alpha;
}
}
var simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id).distance(d => {
const sourceLinks = links.filter(link => link.source.id === d.source.id || link.target.id === d.source.id).length;
const targetLinks = links.filter(link => link.source.id === d.target.id || link.target.id === d.target.id).length;
return Math.min(150, Math.max(50, (sourceLinks + targetLinks) * 10));
}))
.force("charge", d3.forceManyBody().strength(-300))
.force("center", d3.forceCenter(width / 2, height / 2))
.force("custom", customForce)
.force("collision", labelCollision())
.alphaDecay(0.02)
.alphaMin(0.001)
.on("tick", ticked);
var link = g.append("g")
.attr("class", "links")
.selectAll("line")
.data(links)
.enter().append("line")
.attr("class", "link");
var node = g.append("g")
.attr("class", "nodes")
.selectAll("circle")
.data(nodes)
.enter().append("circle")
.attr("class", "node")
.attr("r", function(d) {
var radius = 5 + Math.sqrt(d.link_count);
return radius;
})
.attr("fill", function(d) {
return d.color;
})
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
var text = g.append("g")
.attr("class", "texts")
.selectAll("text")
.data(nodes)
.enter().append("text")
.attr("x", 8)
.attr("y", ".31em")
.text(d => d.label);
function ticked() {
link
.attr("x1", d => d.source.x)
.attr("y1", d => d.source.y)
.attr("x2", d => d.target.x)
.attr("y2", d => d.target.y);
node
.attr("cx", d => d.x)
.attr("cy", d => d.y);
text
.attr("x", d => d.x + 8)
.attr("y", d => d.y + 3);
}
function dragstarted(d) {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
}
function dragged(d) {
d.fx = d3.event.x;
d.fy = d3.event.y;
}
function dragended(d) {
if (!d3.event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
}
function labelCollision() {
var alpha = 0.5;
return function() {
for (var i = 0; i < nodes.length; i++) {
for (var j = i + 1; j < nodes.length; j++) {
var nodeA = nodes[i];
var nodeB = nodes[j];
if (nodeA === nodeB) continue;
var dx = nodeA.x - nodeB.x;
var dy = nodeA.y - nodeB.y;
var distance = Math.sqrt(dx * dx + dy * dy);
var minDistance = 20;
if (distance < minDistance) {
var moveFactor = (minDistance - distance) / distance * alpha;
var mx = dx * moveFactor;
var my = dy * moveFactor;
nodeA.x += mx;
nodeA.y += my;
nodeB.x -= mx;
nodeB.y -= my;
}
}
}
};
}
</script>
</body>
</html>
"""
output_file = os.path.join(output_dir, 'vault_graph.html')
with open(output_file, 'w', encoding='utf-8') as f:
f.write(html_content)
return os.path.abspath(output_file)
def create_html():
global vault_dir, output_dir
if not vault_dir:
messagebox.showerror("Error", "Please select the vault directory first.")
return
if not output_dir:
messagebox.showerror("Error", "Please select the output directory first.")
return
try:
notes, links = parse_vault(vault_dir)
color_groups = get_obsidian_colors(vault_dir)
nodes, edges = generate_graph_data(notes, links, color_groups)
output_file = create_html_file(nodes, edges, color_groups, output_dir)
messagebox.showinfo("Success", f"HTML file created: {output_file}")
except Exception as e:
messagebox.showerror("Error", f"An error occurred: {e}")
def select_vault_directory():
global vault_dir
vault_dir = filedialog.askdirectory(title="Select Obsidian Vault Directory")
if vault_dir:
messagebox.showinfo("Vault Directory", f"Vault directory selected: {vault_dir}")
def select_output_directory():
global output_dir
output_dir = filedialog.askdirectory(title="Select Output Directory")
if output_dir:
messagebox.showinfo("Output Directory", f"Output directory selected: {output_dir}")
def open_support_link():
import webbrowser
webbrowser.open("https://buymeacoffee.com/oscarch")
# GUI Setup
root = tk.Tk()
root.title("Obsidian Vault Graph Generator")
root.geometry("300x250")
root.resizable(False, False)
frame = tk.Frame(root)
frame.pack(pady=20)
btn_select_vault = tk.Button(frame, text="Select Vault Directory", command=select_vault_directory)
btn_select_vault.pack(pady=10)
btn_select_output = tk.Button(frame, text="Select Output Directory", command=select_output_directory)
btn_select_output.pack(pady=10)
btn_create = tk.Button(frame, text="Create", command=create_html)
btn_create.pack(pady=10)
btn_support = tk.Button(frame, text="Consider supporting me", command=open_support_link)
btn_support.pack(pady=10)
root.mainloop()