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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#############################################################################
#
# Copyright (C) 2022 The Qt Company Ltd.
# Contact: https://www.qt.io/licensing/
#
# This file is part of the release tools of the Qt Toolkit.
#
# $QT_BEGIN_LICENSE:GPL-EXCEPT$
# Commercial License Usage
# Licensees holding valid commercial Qt licenses may use this file in
# accordance with the commercial license agreement provided with the
# Software or, alternatively, in accordance with the terms contained in
# a written agreement between you and The Qt Company. For licensing terms
# and conditions see https://www.qt.io/terms-conditions. For further
# information use the contact form at https://www.qt.io/contact-us.
#
# GNU General Public License Usage
# Alternatively, this file may be used under the terms of the GNU
# General Public License version 3 as published by the Free Software
# Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
# included in the packaging of this file. Please review the following
# information to ensure the GNU General Public License requirements will
# be met: https://www.gnu.org/licenses/gpl-3.0.html.
#
# $QT_END_LICENSE$
#
#############################################################################
import os
import sys
import re
import asyncio
import argparse
import platform
import multiprocessing
import subprocess
from shutil import which, rmtree, copytree
from logging_util import init_logger
from runner import async_exec_cmd, exec_cmd
from installer_utils import cd, is_valid_url_path, extract_archive, download_archive
log = init_logger(__name__, debug_mode=False)
class BldPythonError(Exception):
pass
async def prepare_sources(src: str, tmpBaseDir: str) -> str:
log.info("Preparing sources: %s", src)
srcTmpDir = os.path.join(tmpBaseDir, "src_dir")
rmtree(srcTmpDir, ignore_errors=True)
if os.path.isdir(src):
if "windows" in platform.system().lower():
copytree(src, srcTmpDir)
else:
return src
elif os.path.isfile(src):
os.makedirs(srcTmpDir)
await extract_archive(src, srcTmpDir)
elif is_valid_url_path(src):
os.makedirs(srcTmpDir)
destFile = download_archive(src, tmpBaseDir)
await extract_archive(destFile, srcTmpDir)
else:
raise BldPythonError("Could not prepare sources from: {0}".format(src))
return srcTmpDir
def locate_source_root(searchDir: str) -> str:
for root, dirs, files in os.walk(searchDir):
if "configure" in files and os.path.isfile(os.path.join(root, "configure")):
return root
raise BldPythonError("Could not find source root directory from: {0}".format(searchDir))
async def create_symlink(pythonDir: str):
pythonExe = os.path.join(pythonDir, 'python.exe')
assert os.path.isfile(pythonExe), "The 'python' executable did not exist: {0}".format(pythonExe)
versionCmd = [pythonExe, '--version']
versionOutput = subprocess.check_output(versionCmd, shell=True).decode("utf-8")
match = re.search('(\d+)\.(\d+)\.(\d+)', versionOutput)
if match:
destination = os.path.join(pythonDir, 'python' + match.group(1) + match.group(2) + '.exe')
os.symlink(pythonExe, destination)
log.info("Symbolic link created from %s to %s", pythonExe, destination)
else:
raise BldPythonError("Could not parse version output: {0}".format(versionOutput))
async def _build_python_win(srcDir: str) -> str:
log.info("Building..")
log.info("Source dir: %s", srcDir)
buildBat = os.path.join(srcDir, 'PCbuild', 'build.bat')
assert os.path.isfile(buildBat), "The 'build.bat' batch file did not exist: {0}".format(buildBat)
await async_exec_cmd([buildBat])
destDir = os.path.join(srcDir, 'PCbuild', 'amd64')
assert os.path.isdir(destDir), "The build destination directory did not exist: {0}".format(destDir)
await create_symlink(destDir)
log.info("Python built successfully and installed to: %s", destDir)
return srcDir
async def build_python_win(src: str) -> str:
baseDir = os.path.join(os.getcwd(), "python_bld_tmp")
os.makedirs(baseDir, exist_ok=True)
srcDir = await prepare_sources(src, baseDir)
sourceRootDir = locate_source_root(srcDir)
return await _build_python_win(sourceRootDir)
async def _build_python(srcDir: str, bldDir: str, prefix: str) -> str:
log.info("Building..")
log.info(" Source dir: %s", srcDir)
log.info(" Build dir: %s", bldDir)
log.info(" Prefix: %s", prefix)
system = platform.system().lower()
cpuCount = str(multiprocessing.cpu_count())
if "darwin" in system:
opensslQueryCmd = ['brew', '--prefix', 'openssl']
opensslPath = exec_cmd(opensslQueryCmd)
if not os.path.exists(opensslPath):
raise BldPythonError(
"Could not find OpenSSL path. Please check that the required brew formula is installed."
)
configureCmd = [
os.path.join(srcDir, 'configure'),
'--enable-framework',
'--with-openssl=' + opensslPath,
'--prefix=' + prefix
]
makeCmd = ['make', '-j' + cpuCount]
makeInstallCmd = ['make', 'install']
else:
configureCmd = [
os.path.join(srcDir, 'configure'),
'--enable-shared',
'--prefix=' + prefix
]
makeCmd = ['make', '-j' + cpuCount]
makeInstallCmd = ['make', 'install']
rmtree(bldDir, ignore_errors=True)
os.makedirs(bldDir)
with cd(bldDir):
await async_exec_cmd(configureCmd)
await async_exec_cmd(makeCmd)
await async_exec_cmd(makeInstallCmd)
log.info("Python built successfully and installed to: %s", prefix)
return prefix
async def build_python(src: str, prefix: str) -> str:
if "windows" in platform.system().lower():
return await build_python_win(src)
if os.path.isdir(prefix):
log.info("Deleting existing Python build from: %s", prefix)
rmtree(prefix, ignore_errors=True)
baseDir = os.path.join(os.getcwd(), "python_bld_tmp")
os.makedirs(baseDir, exist_ok=True)
srcDir = await prepare_sources(src, baseDir)
bldDir = os.path.join(baseDir, "build_dir")
sourceRootDir = locate_source_root(srcDir)
return await _build_python(sourceRootDir, bldDir, prefix)
if __name__ == "__main__":
parser = argparse.ArgumentParser(prog="Script to build Python from sources")
parser.add_argument("--src", dest="src", type=str, default=os.getenv("PYTHON_SRC"), help="Path to local checkout or .zip/.7z/.tar.gz")
parser.add_argument("--prefix", dest="prefix", type=str, default=os.path.join(os.path.expanduser("~"), "_python_bld"))
args = parser.parse_args(sys.argv[1:])
for requiredTool in ["7z", "tar"]:
if not which(requiredTool):
log.error("Could not find '{0}' from the system. This tool is needed. Aborting..".format(requiredTool))
sys.exit(1)
loop = asyncio.get_event_loop()
loop.run_until_complete(build_python(args.src, args.prefix))
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