#!/bin/sh # This script helps you install Lektor on your computer. Right now it # only supports Linux and OS X and only on OS X will it install the # desktop version. # # For more information see https://www.getlektor.com/ # Wrap everything in a function so that we do not accidentally execute # something we should not in case a truncated version of the script # is executed. I() { set -u if ! hash python 2> /dev/null; then echo "Error: To use this script you need to have Python installed" exit 1 fi python - <<'EOF' if 1: import os import sys import json import tempfile import shutil from subprocess import CalledProcessError, check_output, Popen try: from urllib.request import urlopen except ImportError: from urllib import urlopen PY2 = sys.version_info[0] == 2 if PY2: input = raw_input sys.stdin = open('/dev/tty', 'r') VENV_URL = "https://pypi.python.org/pypi/virtualenv/json" KNOWN_BINS = ['/usr/local/bin', '/opt/local/bin', os.path.join(os.environ['HOME'], '.bin'), os.path.join(os.environ['HOME'], '.local', 'bin')] if os.environ.get('LEKTOR_SILENT') == None: prompt = True else: prompt = False def find_user_paths(): rv = [] for item in os.environ['PATH'].split(':'): if os.access(item, os.W_OK) \ and item not in rv \ and '/sbin' not in item: rv.append(item) return rv def bin_sort_key(path): try: return KNOWN_BINS.index(path) except ValueError: return float('inf') def find_locations(paths): paths.sort(key=bin_sort_key) for path in paths: if path.startswith(os.environ['HOME']): return path, os.path.join(os.environ['HOME'], '.local', 'lib', 'lektor') elif path.endswith('/bin'): return path, os.path.join( os.path.dirname(path), 'lib', 'lektor') None, None def get_confirmation(): while 1: user_input = input('Continue? [Yn] ').lower().strip() if user_input in ('', 'y'): break elif user_input == 'n': print('') print('Aborted!') sys.exit() def deletion_error(func, path, excinfo): print('Problem deleting {}'.format(path)) print('Please try and delete {} manually'.format(path)) print('Aborted!') sys.exit() def wipe_installation(lib_dir, symlink_path): if os.path.lexists(symlink_path): os.remove(symlink_path) if os.path.exists(lib_dir): shutil.rmtree(lib_dir, onerror=deletion_error) def check_installation(lib_dir, bin_dir): symlink_path = os.path.join(bin_dir, 'lektor') if os.path.exists(lib_dir) or os.path.lexists(symlink_path): print(' Lektor seems to be installed already.') print(' Continuing will delete:') print(' %s' % lib_dir) print(' and remove this symlink:') print(' %s' % symlink_path) print('') if prompt: get_confirmation() print('') wipe_installation(lib_dir, symlink_path) def fail(message): print('Error: %s' % message) sys.exit(1) def install(virtualenv_url, lib_dir, bin_dir): t = tempfile.mkdtemp() Popen('curl -sf "%s" | tar -xzf - --strip-components=1' % virtualenv_url, shell=True, cwd=t).wait() try: os.makedirs(lib_dir) except OSError: pass try: check_output([sys.executable, './src/virtualenv.py', lib_dir], cwd=t) except CalledProcessError: # virtualenv 16.1.0, 17+ Popen([sys.executable, './virtualenv.py', lib_dir], cwd=t).wait() Popen([os.path.join(lib_dir, 'bin', 'pip'), 'install', '--upgrade', 'Lektor']).wait() os.symlink(os.path.join(lib_dir, 'bin', 'lektor'), os.path.join(bin_dir, 'lektor')) def main(): print('') print('Welcome to Lektor') print('') print('This script will install Lektor on your computer.') print('') paths = find_user_paths() if not paths: fail('None of the items in $PATH are writable. Run with ' 'sudo or add a $PATH item that you have access to.') bin_dir, lib_dir = find_locations(paths) if bin_dir is None or lib_dir is None: fail('Could not determine installation location for Lektor.') check_installation(lib_dir, bin_dir) print('Installing at:') print(' bin: %s' % bin_dir) print(' app: %s' % lib_dir) print('') if prompt: get_confirmation() for url in json.loads(urlopen(VENV_URL).read().decode('utf-8'))['urls']: if url['python_version'] == 'source': virtualenv = url['url'] break else: fail('Could not find virtualenv') install(virtualenv, lib_dir, bin_dir) print('') print('All done!') main() EOF } I