build.py

  1#!/usr/bin/env python3
  2import os
  3import shutil
  4import subprocess
  5import sys
  6from pathlib import Path
  7
  8
  9def prompt(prompt_text):
 10    try:
 11        return input(prompt_text).strip()
 12    except EOFError:
 13        return ""
 14
 15
 16def remove_build_directory(build_dir):
 17    if build_dir.exists():
 18        print(f"Removing previous build directory: {build_dir}/")
 19        shutil.rmtree(build_dir)
 20    build_dir.mkdir(parents=True, exist_ok=True)
 21
 22
 23def minify_css(src_css, dest_css):
 24    print(f"Minifying CSS: {src_css} → {dest_css}")
 25    result = subprocess.run(
 26        ["minify", "-o", str(dest_css), str(src_css)],
 27        stdout=subprocess.PIPE,
 28        stderr=subprocess.PIPE,
 29        text=True,
 30    )
 31    if result.returncode != 0:
 32        print("Error during CSS minification:")
 33        print(result.stderr, file=sys.stderr)
 34        sys.exit(1)
 35
 36
 37def run_emacs_publish(dev_mode=True):
 38    if dev_mode:
 39        print("Running Emacs publish script (development)...")
 40        result = subprocess.run(
 41            ["emacs", "--script", "publish.el"],
 42            stdout=subprocess.PIPE,
 43            stderr=subprocess.PIPE,
 44            text=True,
 45        )
 46    else:
 47        print("Running Emacs publish script (production)...")
 48        result = subprocess.run(
 49            ["emacs", "--script", "publish.el"],
 50            stdout=subprocess.DEVNULL,
 51            stderr=subprocess.DEVNULL,
 52            text=True,
 53        )
 54
 55    if result.returncode != 0:
 56        print("Error running publish.el:")
 57        print(result.stderr, file=sys.stderr)
 58        sys.exit(1)
 59
 60
 61def deploy_to_server(build_dir, server):
 62    remote_path = f"{server}:/var/www/cleberg.net/"
 63    print(f"Deploying .build/ → {remote_path}")
 64    result = subprocess.run(
 65        ["rsync", "-r", "--delete-before", f"{build_dir}/", remote_path],
 66        stdout=subprocess.PIPE,
 67        stderr=subprocess.PIPE,
 68        text=True,
 69    )
 70    if result.returncode != 0:
 71        print("Error during rsync deployment:")
 72        print(result.stderr, file=sys.stderr)
 73        sys.exit(1)
 74
 75
 76def start_dev_server(build_dir):
 77    print(f"Starting development HTTP server from {build_dir}/ on port 8000")
 78    os.chdir(build_dir)
 79    # This will run until interrupted (Ctrl+C)
 80    try:
 81        subprocess.run([sys.executable, "-m", "http.server", "8000"], check=True)
 82    except KeyboardInterrupt:
 83        print("\nDevelopment server stopped.")
 84    except subprocess.CalledProcessError as e:
 85        print(f"Error starting development server: {e}", file=sys.stderr)
 86        sys.exit(1)
 87
 88
 89def main():
 90    build_dir = Path(".build")
 91    theme_dir = Path("theme/static")
 92    css_src = theme_dir / "styles.css"
 93    css_min = theme_dir / "styles.min.css"
 94
 95    answer = prompt("Did you update the 'Recent Blog Posts' section? [yn] ")
 96    if not answer.lower().startswith("y"):
 97        print("Please update the 'Recent Blog Posts' section before publishing!")
 98        sys.exit(0)
 99
100    env = os.environ.get("ENV", "").lower()
101    if env == "prod":
102        print("Environment: Production")
103        method = prompt("Publishing on remote or LAN? [r|l] ").lower()
104        if method == "r":
105            homelab_server = "homelab-remote"
106        elif method == "l":
107            homelab_server = "homelab"
108        else:
109            print("Invalid input. Assuming LAN (homelab)")
110            homelab_server = "homelab"
111
112        # Remove previous build
113        remove_build_directory(build_dir)
114
115        # Minify CSS
116        minify_css(css_src, css_min)
117
118        # Run publishing script (silenced output)
119        run_emacs_publish(dev_mode=False)
120
121        # Deploy changes
122        deploy_to_server(build_dir, homelab_server)
123
124    else:
125        print("Environment: Development")
126
127        # Remove previous build
128        remove_build_directory(build_dir)
129
130        # Minify CSS
131        minify_css(css_src, css_min)
132
133        # Run publishing script (with console output)
134        run_emacs_publish(dev_mode=True)
135
136        # Launch development web server
137        start_dev_server(build_dir)
138
139
140if __name__ == "__main__":
141    main()