import http.server
import socketserver
import json
import os
import subprocess
from urllib.parse import parse_qs, urlparse
import mimetypes
import html
# --- Theme selection (choose one: "light1", "light2", "dark1", "dark2") ---
THEME = "light1" # Change this to "light2", "dark1", or "dark2" as desired
THEMES = {
"light1": """
body { font-family: Arial, sans-serif; background: #f6f8fa; margin: 0; padding: 0; color: #222; }
.container { max-width: 960px; margin: auto; padding: 2em; }
.date-header { font-size: 1.2em; margin-top: 2em; border-bottom: 1px solid #ccc; }
.commit { margin: 1em 0; padding: 1em; background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.07); }
.hash { color: #555; font-family: monospace; }
.diff { white-space: pre-wrap; background: #f1f1f1; padding: 1em; border-radius: 4px; overflow-x: auto; }
ul { list-style: none; padding-left: 0; }
li { margin: 0.3em 0; }
a { text-decoration: none; color: #0366d6; }
a:hover { text-decoration: underline; }
""",
"light2": """
body { font-family: 'Segoe UI', sans-serif; background: #fdf6e3; margin: 0; padding: 0; color: #333; }
.container { max-width: 900px; margin: auto; padding: 2em; }
.date-header { font-size: 1.2em; margin-top: 2em; border-bottom: 2px solid #e1c699; color: #b58900; }
.commit { margin: 1em 0; padding: 1em; background: #fffbe6; border-radius: 6px; box-shadow: 0 1px 3px rgba(200,180,100,0.08); }
.hash { color: #b58900; font-family: monospace; }
.diff { white-space: pre-wrap; background: #f5e9c9; padding: 1em; border-radius: 4px; overflow-x: auto; }
ul { list-style: none; padding-left: 0; }
li { margin: 0.3em 0; }
a { text-decoration: none; color: #b58900; }
a:hover { text-decoration: underline; color: #cb4b16; }
""",
"dark1": """
body { font-family: Arial, sans-serif; background: #181a1b; margin: 0; padding: 0; color: #eaeaea; }
.container { max-width: 960px; margin: auto; padding: 2em; }
.date-header { font-size: 1.2em; margin-top: 2em; border-bottom: 1px solid #333; color: #8ab4f8; }
.commit { margin: 1em 0; padding: 1em; background: #23272b; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.18); }
.hash { color: #8ab4f8; font-family: monospace; }
.diff { white-space: pre-wrap; background: #23272b; padding: 1em; border-radius: 4px; overflow-x: auto; }
ul { list-style: none; padding-left: 0; }
li { margin: 0.3em 0; }
a { text-decoration: none; color: #8ab4f8; }
a:hover { text-decoration: underline; color: #bb86fc; }
""",
"dark2": """
body { font-family: 'Fira Sans', sans-serif; background: #121212; margin: 0; padding: 0; color: #d0d0d0; }
.container { max-width: 900px; margin: auto; padding: 2em; }
.date-header { font-size: 1.2em; margin-top: 2em; border-bottom: 2px solid #444; color: #ffb86c; }
.commit { margin: 1em 0; padding: 1em; background: #22223b; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.22); }
.hash { color: #ffb86c; font-family: monospace; }
.diff { white-space: pre-wrap; background: #282a36; padding: 1em; border-radius: 4px; overflow-x: auto; }
ul { list-style: none; padding-left: 0; }
li { margin: 0.3em 0; }
a { text-decoration: none; color: #ffb86c; }
a:hover { text-decoration: underline; color: #8be9fd; }
""",
}
def HTML_TEMPLATE(content, theme=THEME):
return f"""
<!DOCTYPE html>
<html lang=\"en\">
<head>
<meta charset=\"UTF-8\">
<title>Git Log Viewer</title>
<link rel=\"stylesheet\" href=\"https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css\">
<style>
{THEMES[theme]}
</style>
<script src=\"https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js\"></script>
<script>hljs.highlightAll();</script>
</head>
<body>
<div class=\"container\">
{content}
</div>
</body>
</html>
"""
REPO_ROOT = os.path.abspath(".")
LOG_FILE = os.path.join(REPO_ROOT, "gitlog.jsonl")
PORT = 8481
def format_diff_to_html(diff_text: str) -> str:
lines = diff_text.strip().splitlines()
html_lines = ['<div style="font-family: monospace; white-space: pre;">']
while not lines[3].startswith('diff'):
lines.pop(3)
lines.insert(3, "")
for line in lines:
escaped = html.escape(line)
if "//" in line:
continue
if "#" in line:
continue
if "/*" in line:
continue
if "*/" in line:
continue
if line.startswith('+++') or line.startswith('---'):
html_lines.append(f'<div style="color: #0000aa;">{escaped}</div>')
elif line.startswith('@@'):
html_lines.append(f'<div style="color: #005cc5;">{escaped}</div>')
elif line.startswith('+'):
html_lines.append(f'<div style="color: #22863a;">{escaped}</div>')
elif line.startswith('-'):
html_lines.append(f'<div style="color: #b31d28;">{escaped}</div>')
elif line.startswith('\\'):
html_lines.append(f'<div style="color: #6a737d;">{escaped}</div>')
else:
html_lines.append(f'<div>{escaped}</div>')
html_lines.append('</div>')
return '\n'.join(html_lines)
def parse_logs():
logs = []
if not os.path.exists(LOG_FILE):
return []
lines = []
with open(LOG_FILE, "r", encoding="utf-8") as f:
for line in f:
if line.strip():
if line.strip() not in lines:
lines.append(line.strip())
logs.append(json.loads(line.strip()))
return logs
def group_by_date(logs):
grouped = {}
for entry in logs:
date = entry["date"]
grouped.setdefault(date, []).append(entry)
return dict(sorted(grouped.items(), reverse=True))
def get_git_diff(commit_hash):
try:
result = subprocess.run(
["git", "-C", REPO_ROOT, "show", commit_hash, "--no-color"],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
check=True,
)
return result.stdout
except subprocess.CalledProcessError as e:
return f"Error retrieving diff: {e.stderr}"
def list_directory(path, base_url="/browse?path="):
try:
entries = os.listdir(path)
except OSError:
return "<div>Cannot access directory.</div>"
entries.sort()
content = "<ul>"
# Parent directory link
parent = os.path.dirname(path)
if os.path.abspath(path) != REPO_ROOT:
parent_rel = os.path.relpath(parent, REPO_ROOT)
content += f"<li><a href='{base_url}{html.escape(parent_rel)}'>.. (parent directory)</a></li>"
for entry in entries:
full_path = os.path.join(path, entry)
rel_path = os.path.relpath(full_path, REPO_ROOT)
if os.path.isdir(full_path):
content += f"<li>📁 <a href='{base_url}{html.escape(rel_path)}'>{html.escape(entry)}/</a></li>"
else:
content += f"<li>📄 <a href='{base_url}{html.escape(rel_path)}'>{html.escape(entry)}</a></li>"
content += "</ul>"
return content
def read_file_content(path):
try:
with open(path, "r", encoding="utf-8") as f:
return f.read()
except Exception as e:
return f"Error reading file: {e}"
def get_language_class(filename):
ext = os.path.splitext(filename)[1].lower()
return {
'.py': 'python',
'.js': 'javascript',
'.html': 'html',
'.css': 'css',
'.json': 'json',
'.sh': 'bash',
'.md': 'markdown',
'.c': 'c',
'.cpp': 'cpp',
'.h': 'cpp',
'.java': 'java',
'.rb': 'ruby',
'.go': 'go',
'.php': 'php',
'.rs': 'rust',
'.ts': 'typescript',
'.xml': 'xml',
'.yml': 'yaml',
'.yaml': 'yaml',
}.get(ext, '')
class GitLogHandler(http.server.SimpleHTTPRequestHandler):
def do_GET(self):
parsed = urlparse(self.path)
if parsed.path == "/":
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
logs = parse_logs()
grouped = group_by_date(logs)
content = "<p><a href='/browse'>Browse Files</a></p>"
for date, commits in grouped.items():
content += f"<div class='date-header'>{date}</div>"
for c in commits:
commit_link = f"/diff?hash={c['commit']}"
content += f"""
<div class='commit'>
<div><strong>{c['line'].splitlines()[0]}</strong></div>
<div class='hash'><a href='{commit_link}'>{c['commit']}</a></div>
</div>
"""
self.wfile.write(HTML_TEMPLATE(content).encode("utf-8"))
elif parsed.path == "/diff":
qs = parse_qs(parsed.query)
commit = qs.get("hash", [""])[0]
diff = format_diff_to_html(get_git_diff(html.escape(commit)))
diff_html = f"<h2>Commit: {commit}</h2><div class='diff'>{diff}</div><p><a href='/'>← Back to commits</a></p>"
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(HTML_TEMPLATE(diff_html).encode("utf-8"))
elif parsed.path == "/browse":
qs = parse_qs(parsed.query)
rel_path = qs.get("path", [""])[0]
abs_path = os.path.abspath(os.path.join(REPO_ROOT, rel_path))
# Security: prevent escaping the repo root
if not abs_path.startswith(REPO_ROOT):
self.send_error(403, "Forbidden")
return
if os.path.isdir(abs_path):
content = f"<h2>Browsing: /{html.escape(rel_path)}</h2>"
content += list_directory(abs_path)
content += "<p><a href='/'>← Back to commits</a></p>"
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(HTML_TEMPLATE(content).encode("utf-8"))
elif os.path.isfile(abs_path):
file_content = read_file_content(abs_path)
lang_class = get_language_class(abs_path)
content = f"<h2>File: /{html.escape(rel_path)}</h2>"
content += (
f"<pre style='background:#f1f1f1; padding:1em; border-radius:4px; overflow-x:auto;'>"
f"<code class='{lang_class}'>{html.escape(file_content)}</code></pre>"
)
content += "<p><a href='{}'>← Back to directory</a></p>".format(
f"/browse?path={html.escape(os.path.dirname(rel_path))}"
)
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(HTML_TEMPLATE(content).encode("utf-8"))
else:
self.send_error(404, "Not found")
else:
self.send_error(404)
if __name__ == "__main__":
while True:
try:
with socketserver.TCPServer(("", PORT), GitLogHandler) as httpd:
print(f"Serving at http://localhost:{PORT}")
httpd.serve_forever()
break
except Exception as ex:
print(ex)
PORT += 1
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