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#!/usr/bin/env python
import os
import subprocess
def check(args, input=None):
return subprocess.check_output(args, text=True, input=input).strip()
# write a html file
def print_html(title, body, file):
with open(file, "w") as f:
f.write(f"""<!DOCTYPE html>
<html>
<head>
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>📝</text></svg>">
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="utf-8">
<style>
:root {{
color-scheme: light dark;
}}
body {{
margin: 40px auto;
max-width: min(900px, 100vw);
line-height: 1.6;
font-size: 16px;
padding: 0 10px;
}}
h1, h2, h3 {{
line-height: 1.2;
}}
table {{
border-spacing: 15px;
}}
</style>
<title>{title}</title>
</head>
<body>
<center>
{body}
</center>
</body>
</html>""")
# config repo and branch
REPO = "/srv/git/blog"
BRANCH = "main"
# go to repo
os.chdir(REPO)
# list files
files = check(["git", "ls-tree", "--name-only", BRANCH]).splitlines()
# list of files with their titles and dates for creating index.html
index_list = []
# loop over files
for f_md in files:
# get created and modified dates
creation_date = check(["git", "log", "--diff-filter=A", "--format=%cd", "--date=format:%Y-%m-%d", "--follow", "--", f_md])
last_modified_date = check(["git", "log", "-1", "--format=%cd", "--date=format:%Y-%m-%d", "--", f_md])
# get markdown from file
md = check(["git", "--no-pager", "show", f"{BRANCH}:{f_md}"])
# convert it to html
html = check(["md2html", "--github", "--fstrikethrough", "--ftables", "--ftasklists", "--funderline", "--fwiki-links"], md)
# read title from first line of markdown
title = md.splitlines()[0][1:].strip()
# create the line under the title
creation_line = f"<p>{creation_date}{f" (last modified {last_modified_date})" if creation_date != last_modified_date else ""}</p>"
# strip title from html so we can insert creation_line
html_body = "\n".join(html.splitlines()[1:])
# strip .md from file anme
f = f_md[:-3]
f_html = f"{f}.html"
# add file to index_list
index_list.append((creation_date, f_html, title))
# create html file
print_html(title, f"<a href=\"/blog\">Home</a><h1>{title}</h1>\n{creation_line}\n{html_body}", f"/srv/www/blog/{f_html}")
# sort index_list by creation_date
sorted_index_list = sorted(index_list, key=lambda x: x[0], reverse=True)
# create index.html
index_html = "\n".join([f"<p><a href=\"/blog/{f}\">{c} {t}</a></p>" for (c, f, t) in sorted_index_list])
print_html("Patrick Schönberger — Blog", f"<h1>Patrick Schönberger — Blog</h1>\n{index_html}", "/srv/www/blog/index.html")
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