lektor-website/assets/install.ps1

137 lines
3.8 KiB
PowerShell

$InstallScript = @"
import os
import sys
import json
import urllib
import tempfile
import tarfile
from subprocess import Popen
from _winreg import OpenKey, CloseKey, QueryValueEx, SetValueEx, \
HKEY_CURRENT_USER, KEY_ALL_ACCESS, REG_EXPAND_SZ
import ctypes
from ctypes.wintypes import HWND, UINT, WPARAM, LPARAM, LPVOID
import shutil
VENV_URL = 'https://pypi.python.org/pypi/virtualenv/json'
APPDATA = os.environ['LocalAppData']
APP = 'lektor-cli'
LIB = 'lib'
ROOT_KEY = HKEY_CURRENT_USER
SUB_KEY = 'Environment'
LRESULT = LPARAM
HWND_BROADCAST = 0xFFFF
WM_SETTINGCHANGE = 0x1A
def get_location():
install_dir = os.path.join(APPDATA, APP)
return install_dir
def find_location():
install_dir = get_location()
if os.path.exists(install_dir) and os.path.isdir(install_dir):
return None, None
return install_dir, os.path.join(install_dir, LIB)
def fail(message):
print 'Error: %s' % message
sys.exit(1)
def add_to_path(location):
reg_key = OpenKey(ROOT_KEY, SUB_KEY, 0, KEY_ALL_ACCESS)
try:
path_value, _ = QueryValueEx(reg_key, 'Path')
except WindowsError:
path_value = ''
paths = path_value.split(';')
if location not in paths:
paths.append(location)
path_value = ';'.join(paths)
SetValueEx(reg_key, 'Path', 0, REG_EXPAND_SZ, path_value)
SendMessage = ctypes.windll.user32.SendMessageW
SendMessage.argtypes = HWND, UINT, WPARAM, LPVOID
SendMessage.restype = LRESULT
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, u'Environment')
def install(virtualenv_url, virtualenv_filename, install_dir, lib_dir):
t = tempfile.mkdtemp()
with open(os.path.join(t, 'virtualenv.tar.gz'), 'wb') as f:
download = urllib.urlopen(virtualenv_url)
f.write(download.read())
download.close()
with tarfile.open(os.path.join(t, 'virtualenv.tar.gz'), 'r:gz') as tar:
tar.extractall(path=t)
os.makedirs(install_dir)
os.makedirs(lib_dir)
Popen(['python', 'virtualenv.py', lib_dir],
cwd=os.path.join(t, virtualenv_filename)).wait()
scripts = os.path.join(lib_dir, 'Scripts')
#just using pip.exe and cwd will still install globally
Popen([os.path.join(scripts, 'pip.exe'),
'install', '--upgrade', 'Lektor'],
cwd=scripts).wait()
with open(os.path.join(install_dir, 'lektor.cmd'), 'w') as link_file:
link_file.write('@echo off\n')
link_file.write('\"' + os.path.join(scripts, 'lektor.exe') + '\"' + ' %*')
add_to_path(install_dir)
def main():
print 'Welcome to Lektor'
print
print 'This script will install Lektor on your computer.'
print
install_dir, lib_dir = find_location()
if install_dir == None:
print 'Lektor seems to be already installed'
while 1:
input = raw_input(
'Delete existing and reinstall? [Yn]'
).lower().strip()
if input in ('', 'y'):
break
elif input == 'n':
print 'Aborted!'
sys.exit()
shutil.rmtree(get_location())
print ' Installing at: %s' % install_dir
while 1:
input = raw_input('Continue? [Yn] ').lower().strip()
if input in ('', 'y'):
break
elif input == 'n':
print 'Aborted!'
sys.exit()
for url in json.load(urllib.urlopen(VENV_URL))['urls']:
if url['python_version'] == 'source':
virtualenv_url = url['url']
#stripping '.tar.gz'
virtualenv_filename = url['filename'][:-7]
break
else:
fail('Could not find virtualenv')
install(virtualenv_url, virtualenv_filename, install_dir, lib_dir)
print
print 'All done!'
main()
"@
if (Get-Command python) { python -c $InstallScript } else { "To use this script you need to have Python installed"; exit }