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#!/usr/bin/env python3
import contextlib
import ctypes
import struct
import subprocess
import os
import sys
import shutil
import tempfile
import time
PYTHON_VERSION = (3, 7, 4)
PYTHON_BITNESS = 32
PYWIN32_VERSION = 225 # do not forget to edit pywin32 dependency accordingly in setup.py
NSIS_VERSION = '3.04'
def main():
build_path, repo_path, venv_path, venv_python = _prepare_environment()
_copy_assets(build_path, repo_path)
installer_cfg_path = _generate_pynsist_config(repo_path, build_path)
_prepare_build_tools(venv_path, venv_python, repo_path)
_compile_wheels(repo_path, build_path, venv_python)
_build_installer(installer_cfg_path, venv_path)
print('Done')
def _build_installer(installer_cfg_path, venv_path):
print('Build the installer')
subprocess.check_call([os.path.join(venv_path, 'Scripts', 'pynsist.exe'), installer_cfg_path])
def _compile_wheels(repo_path, build_path, venv_python):
print('Compile wheels')
wheels_path = os.path.join(build_path, 'wheels')
os.makedirs(wheels_path)
certbot_packages = ['acme', 'certbot']
# Uncomment following line to include all DNS plugins in the installer
# certbot_packages.extend([name for name in os.listdir(repo_path) if name.startswith('certbot-dns-')])
wheels_project = [os.path.join(repo_path, package) for package in certbot_packages]
with _prepare_constraints(repo_path) as constraints_file_path:
command = [venv_python, '-m', 'pip', 'wheel', '-w', wheels_path, '--constraint', constraints_file_path]
command.extend(wheels_project)
subprocess.check_call(command)
def _prepare_build_tools(venv_path, venv_python, repo_path):
print('Prepare build tools')
subprocess.check_call([sys.executable, '-m', 'venv', venv_path])
subprocess.check_call([venv_python, os.path.join(repo_path, 'letsencrypt-auto-source', 'pieces', 'pipstrap.py')])
subprocess.check_call([venv_python, os.path.join(repo_path, 'tools', 'pip_install.py'), 'pynsist'])
subprocess.check_call(['choco', 'upgrade', '-y', 'nsis', '--version', NSIS_VERSION])
@contextlib.contextmanager
def _prepare_constraints(repo_path):
requirements = os.path.join(repo_path, 'letsencrypt-auto-source', 'pieces', 'dependency-requirements.txt')
constraints = subprocess.check_output(
[sys.executable, os.path.join(repo_path, 'tools', 'strip_hashes.py'), requirements],
universal_newlines=True)
workdir = tempfile.mkdtemp()
try:
constraints_file_path = os.path.join(workdir, 'constraints.txt')
with open(constraints_file_path, 'a') as file_h:
file_h.write(constraints)
file_h.write('pywin32=={0}'.format(PYWIN32_VERSION))
yield constraints_file_path
finally:
shutil.rmtree(workdir)
def _copy_assets(build_path, repo_path):
print('Copy assets')
if os.path.exists(build_path):
os.rename(build_path, '{0}.{1}.bak'.format(build_path, int(time.time())))
os.makedirs(build_path)
shutil.copy(os.path.join(repo_path, 'windows-installer', 'certbot.ico'), build_path)
shutil.copy(os.path.join(repo_path, 'windows-installer', 'run.bat'), build_path)
shutil.copy(os.path.join(repo_path, 'windows-installer', 'template.nsi'), build_path)
shutil.copy(os.path.join(repo_path, 'windows-installer', 'renew-up.ps1'), build_path)
shutil.copy(os.path.join(repo_path, 'windows-installer', 'renew-down.ps1'), build_path)
def _generate_pynsist_config(repo_path, build_path):
print('Generate pynsist configuration')
pywin32_paths_file = os.path.join(build_path, 'pywin32_paths.py')
# Pywin32 uses non-standard folders to hold its packages. We need to instruct pynsist bootstrap
# explicitly to add them into sys.path. This is done with a custom "pywin32_paths.py" that is
# referred in the pynsist configuration as an "extra_preamble".
# Reference example: https://github.com/takluyver/pynsist/tree/master/examples/pywebview
with open(pywin32_paths_file, 'w') as file_h:
file_h.write('''\
pkgdir = os.path.join(os.path.dirname(installdir), 'pkgs')
sys.path.extend([
os.path.join(pkgdir, 'win32'),
os.path.join(pkgdir, 'win32', 'lib'),
])
# Preload pywintypes and pythoncom
pwt = os.path.join(pkgdir, 'pywin32_system32', 'pywintypes{0}{1}.dll')
pcom = os.path.join(pkgdir, 'pywin32_system32', 'pythoncom{0}{1}.dll')
import warnings
with warnings.catch_warnings():
warnings.simplefilter("ignore")
import imp
imp.load_dynamic('pywintypes', pwt)
imp.load_dynamic('pythoncom', pcom)
'''.format(PYTHON_VERSION[0], PYTHON_VERSION[1]))
installer_cfg_path = os.path.join(build_path, 'installer.cfg')
certbot_pkg_path = os.path.join(repo_path, 'certbot')
certbot_version = subprocess.check_output([sys.executable, '-c', 'import certbot; print(certbot.__version__)'],
universal_newlines=True, cwd=certbot_pkg_path).strip()
with open(installer_cfg_path, 'w') as file_h:
file_h.write('''\
[Application]
name=Certbot
version={certbot_version}
icon=certbot.ico
publisher=Electronic Frontier Foundation
target=$INSTDIR\\run.bat
[Build]
directory=nsis
nsi_template=template.nsi
installer_name=certbot-beta-installer-{installer_suffix}.exe
[Python]
version={python_version}
bitness={python_bitness}
[Include]
local_wheels=wheels\\*.whl
files=run.bat
renew-up.ps1
renew-down.ps1
[Command certbot]
entry_point=certbot.main:main
extra_preamble=pywin32_paths.py
'''.format(certbot_version=certbot_version,
installer_suffix='win_amd64' if PYTHON_BITNESS == 64 else 'win32',
python_bitness=PYTHON_BITNESS,
python_version='.'.join([str(item) for item in PYTHON_VERSION])))
return installer_cfg_path
def _prepare_environment():
print('Prepare environment')
try:
subprocess.check_output(['choco', '--version'])
except subprocess.CalledProcessError:
raise RuntimeError('Error: Chocolatey (https://chocolatey.org/) needs '
'to be installed to run this script.')
script_path = os.path.realpath(__file__)
repo_path = os.path.dirname(os.path.dirname(script_path))
build_path = os.path.join(repo_path, 'windows-installer', 'build')
venv_path = os.path.join(build_path, 'venv-config')
venv_python = os.path.join(venv_path, 'Scripts', 'python.exe')
return build_path, repo_path, venv_path, venv_python
if __name__ == '__main__':
if not os.name == 'nt':
raise RuntimeError('This script must be run under Windows.')
if ctypes.windll.shell32.IsUserAnAdmin() == 0:
# Administrator privileges are required to properly install NSIS through Chocolatey
raise RuntimeError('This script must be run with administrator privileges.')
if sys.version_info[:2] != PYTHON_VERSION[:2]:
raise RuntimeError('This script must be run with Python {0}'
.format('.'.join([str(item) for item in PYTHON_VERSION[0:2]])))
if struct.calcsize('P') * 8 != PYTHON_BITNESS:
raise RuntimeError('This script must be run with a {0} bit version of Python.'
.format(PYTHON_BITNESS))
main()
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