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Diffstat (limited to 'sources/shiboken2/libshiboken/embed/embedding_generator.py')
| -rw-r--r-- | sources/shiboken2/libshiboken/embed/embedding_generator.py | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/sources/shiboken2/libshiboken/embed/embedding_generator.py b/sources/shiboken2/libshiboken/embed/embedding_generator.py deleted file mode 100644 index 15f63649b..000000000 --- a/sources/shiboken2/libshiboken/embed/embedding_generator.py +++ /dev/null @@ -1,242 +0,0 @@ -############################################################################# -## -## Copyright (C) 2019 The Qt Company Ltd. -## Contact: https://www.qt.io/licensing/ -## -## This file is part of PySide2. -## -## $QT_BEGIN_LICENSE:LGPL$ -## 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 Lesser General Public License Usage -## Alternatively, this file may be used under the terms of the GNU Lesser -## General Public License version 3 as published by the Free Software -## Foundation and appearing in the file LICENSE.LGPL3 included in the -## packaging of this file. Please review the following information to -## ensure the GNU Lesser General Public License version 3 requirements -## will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -## -## GNU General Public License Usage -## Alternatively, this file may be used under the terms of the GNU -## General Public License version 2.0 or (at your option) the GNU General -## Public license version 3 or any later version approved by the KDE Free -## Qt Foundation. The licenses are as published by the Free Software -## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -## 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-2.0.html and -## https://www.gnu.org/licenses/gpl-3.0.html. -## -## $QT_END_LICENSE$ -## -############################################################################# - -""" -embedding_generator.py - -This file takes the content of the two supported directories and inserts -it into a zip file. The zip file is then converted into a C++ source -file that can easily be unpacked again with Python (see signature.cpp, -constant 'PySide_PythonCode'). - -Note that this _is_ a zipfile, but since it is embedded into the shiboken -binary, we cannot use the zipimport module from Python. -But a similar solution is possible that allows for normal imports. - -See signature_bootstrap.py for details. -""" - -from __future__ import print_function, absolute_import - -import sys -import os -import subprocess -import textwrap -import tempfile -import argparse -import marshal -import traceback - -# work_dir is set to the source for testing, onl. -# It can be overridden in the command line. -work_dir = os.path.abspath(os.path.dirname(__file__)) -embed_dir = work_dir -cur_dir = os.getcwd() -source_dir = os.path.normpath(os.path.join(work_dir, "..", "..", "..")) -assert os.path.basename(source_dir) == "sources" -build_script_dir = os.path.normpath(os.path.join(work_dir, "..", "..", "..", "..")) -assert os.path.exists(os.path.join(build_script_dir, "build_scripts")) - -sys.path.insert(0, build_script_dir) - -from build_scripts import utils - - -def runpy(cmd, **kw): - subprocess.call([sys.executable, '-E'] + cmd.split(), **kw) - - -def create_zipfile(limited_api): - """ - Collect all Python files, compile them, create a zip file - and make a chunked base64 encoded file from it. - """ - zip_name = "signature.zip" - inc_name = "signature_inc.h" - flag = '-b' if sys.version_info >= (3,) else '' - os.chdir(work_dir) - - # Remove all left-over py[co] and other files first, in case we use '--reuse-build'. - # Note that we could improve that with the PyZipfile function to use .pyc files - # in different folders, but that makes only sense when COIN allows us to have - # multiple Python versions in parallel. - from os.path import join, getsize - for root, dirs, files in os.walk(work_dir): - for name in files: - fpath = os.path.join(root, name) - ew = name.endswith - if ew(".pyc") or ew(".pyo") or ew(".zip") or ew(".inc"): - os.remove(fpath) - # We copy every Python file into this dir, but only for the right version. - # For testing in the source dir, we need to filter. - if sys.version_info[0] == 3: - ignore = "backport_inspect.py typing27.py".split() - else: - ignore = "".split() - utils.copydir(os.path.join(source_dir, "shiboken2", "shibokenmodule", "files.dir", "shibokensupport"), - os.path.join(work_dir, "shibokensupport"), - ignore=ignore, file_filter_function=lambda name, n2: name.endswith(".py")) - if embed_dir != work_dir: - utils.copyfile(os.path.join(embed_dir, "signature_bootstrap.py"), work_dir) - - if limited_api: - pass # We cannot compile, unless we have folders per Python version - else: - files = ' '.join(fn for fn in os.listdir('.')) - runpy('-m compileall -q {flag} {files}'.format(**locals())) - files = ' '.join(fn for fn in os.listdir('.') if not fn == zip_name) - runpy('-m zipfile -c {zip_name} {files}'.format(**locals())) - tmp = tempfile.TemporaryFile(mode="w+") - runpy('-m base64 {zip_name}'.format(**locals()), stdout=tmp) - # now generate the include file - tmp.seek(0) - with open(inc_name, "w") as inc: - _embed_file(tmp, inc) - tmp.close() - # also generate a simple embeddable .pyc file for signature_bootstrap.pyc - boot_name = "signature_bootstrap.py" if limited_api else "signature_bootstrap.pyc" - with open(boot_name, "rb") as ldr, open("signature_bootstrap_inc.h", "w") as inc: - _embed_bytefile(ldr, inc, limited_api) - os.chdir(cur_dir) - - -def _embed_file(fin, fout): - """ - Format a text file for embedding in a C++ source file. - """ - # MSVC has a 64k string limitation. In C, it would be easy to create an - # array of 64 byte strings and use them as one big array. In C++ this does - # not work, since C++ insists in having the terminating nullbyte. - # Therefore, we split the string after an arbitrary number of lines - # (chunked file). - limit = 50 - text = fin.readlines() - print(textwrap.dedent(""" - /* - * This is a ZIP archive of all Python files in the directory - * "shiboken2/shibokenmodule/files.dir/shibokensupport/signature" - * There is also a toplevel file "signature_bootstrap.py[c]" that will be - * directly executed from C++ as a bootstrap loader. - */ - """).strip(), file=fout) - block, blocks = 0, len(text) // limit + 1 - for idx, line in enumerate(text): - if idx % limit == 0: - comma = "," if block else "" - block += 1 - print(file=fout) - print('/* Block {block} of {blocks} */{comma}'.format(**locals()), file=fout) - print('\"{}\"'.format(line.strip()), file=fout) - print('/* Sentinel */, \"\"', file=fout) - - -def _embed_bytefile(fin, fout, is_text): - """ - Format a binary file for embedding in a C++ source file. - This version works directly with a single .pyc file. - """ - fname = fin.name - remark = ("No .pyc file because '--LIMITED-API=yes'" if is_text else - "The .pyc header is stripped away") - print(textwrap.dedent(""" - /* - * This is the file "{fname}" as a simple byte array. - * It can be directly embedded without any further processing. - * {remark}. - */ - """).format(**locals()).strip(), file=fout) - headsize = ( 0 if is_text else - 16 if sys.version_info >= (3, 7) else 12 if sys.version_info >= (3, 3) else 8) - binstr = fin.read()[headsize:] - if is_text: - try: - compile(binstr, fin.name, "exec") - except SyntaxError as e: - print(e) - traceback.print_exc(file=sys.stdout) - print(textwrap.dedent(""" - ************************************************************************* - *** - *** Could not compile the boot loader '{fname}'! - *** - ************************************************************************* - """).format(version=sys.version_info[:3], **locals())) - raise SystemError - else: - try: - marshal.loads(binstr) - except ValueError as e: - print(e) - traceback.print_exc(file=sys.stdout) - print(textwrap.dedent(""" - ************************************************************************* - *** - *** This Python version {version} seems to have a new .pyc header size. - *** Please correct the 'headsize' constant ({headsize}). - *** - ************************************************************************* - """).format(version=sys.version_info[:3], **locals())) - raise SystemError - - print(file=fout) - use_ord = sys.version_info[0] == 2 - for i in range(0, len(binstr), 16): - for c in bytes(binstr[i : i + 16]): - print("{:#4},".format(ord(c) if use_ord else c), file=fout, end="") - print(file=fout) - print("/* End Of File */", file=fout) - - -def str2bool(v): - if v.lower() in ('yes', 'true', 't', 'y', '1'): - return True - elif v.lower() in ('no', 'false', 'f', 'n', '0'): - return False - else: - raise argparse.ArgumentTypeError('Boolean value expected.') - - -if __name__ == "__main__": - parser = argparse.ArgumentParser() - parser.add_argument('--cmake-dir', nargs="?") - parser.add_argument('--limited-api', type=str2bool) - args = parser.parse_args() - if args.cmake_dir: - work_dir = os.path.abspath(args.cmake_dir) - create_zipfile(args.limited_api) |