151 lines
6.2 KiB
Python
151 lines
6.2 KiB
Python
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#-----------------------------------------------------------------------------
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# Copyright (c) 2005-2023, PyInstaller Development Team.
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#
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# Distributed under the terms of the GNU General Public License (version 2
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# or later) with exception for distributing the bootloader.
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#
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# The full license is in the file COPYING.txt, distributed with this software.
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#
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# SPDX-License-Identifier: (GPL-2.0-or-later WITH Bootloader-exception)
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#-----------------------------------------------------------------------------
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import glob
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import os
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import shutil
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import subprocess
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from PyInstaller import compat
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from PyInstaller.config import CONF # workpath
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from PyInstaller.utils.hooks import get_hook_config, logger
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from PyInstaller.utils.hooks.gi import GiModuleInfo, collect_glib_translations
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LOADERS_PATH = os.path.join('gdk-pixbuf-2.0', '2.10.0', 'loaders')
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LOADER_MODULE_DEST_PATH = "lib/gdk-pixbuf/loaders"
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LOADER_CACHE_DEST_PATH = "lib/gdk-pixbuf" # NOTE: some search & replace code depends on / being used on all platforms.
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def _find_gdk_pixbuf_query_loaders_executable(libdir):
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# Distributions either package gdk-pixbuf-query-loaders in the GI libs directory (not on the path), or on the path
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# with or without a -x64 suffix, depending on the architecture.
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cmds = [
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os.path.join(libdir, 'gdk-pixbuf-2.0', 'gdk-pixbuf-query-loaders'),
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'gdk-pixbuf-query-loaders-64',
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'gdk-pixbuf-query-loaders',
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]
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for cmd in cmds:
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cmd_fullpath = shutil.which(cmd)
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if cmd_fullpath is not None:
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return cmd_fullpath
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return None
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def _collect_loaders(libdir):
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# Assume loader plugins have .so library suffix on all non-Windows platforms
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lib_ext = "*.dll" if compat.is_win else "*.so"
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# Find all loaders
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loader_libs = []
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pattern = os.path.join(libdir, LOADERS_PATH, lib_ext)
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for f in glob.glob(pattern):
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loader_libs.append(f)
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# Sometimes the loaders are stored in a different directory from the library (msys2)
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if not loader_libs:
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pattern = os.path.abspath(os.path.join(libdir, '..', 'lib', LOADERS_PATH, lib_ext))
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for f in glob.glob(pattern):
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loader_libs.append(f)
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return loader_libs
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def _generate_loader_cache(gdk_pixbuf_query_loaders, libdir, loader_libs):
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# Run the "gdk-pixbuf-query-loaders" command and capture its standard output providing an updated loader
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# cache; then write this output to the loader cache bundled with this frozen application. On all platforms,
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# we also move the package structure to point to lib/gdk-pixbuf instead of lib/gdk-pixbuf-2.0/2.10.0 in
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# order to make compatible for OSX application signing.
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#
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# On Mac OS we use @executable_path to specify a path relative to the generated bundle. However, on
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# non-Windows, we need to rewrite the loader cache because it is not relocatable by default. See
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# https://bugzilla.gnome.org/show_bug.cgi?id=737523
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#
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# To make it easier to rewrite, we just always write @executable_path, since its significantly easier to
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# find/replace at runtime. :)
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#
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# To permit string munging, decode the encoded bytes output by this command (i.e., enable the
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# "universal_newlines" option).
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#
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# On Fedora, the default loaders cache is /usr/lib64, but the libdir is actually /lib64. To get around this,
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# we pass the path to the loader command, and it will create a cache with the right path.
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#
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# On Windows, the loaders lib directory is relative, starts with 'lib', and uses \\ as path separators
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# (escaped \).
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cachedata = subprocess.run([gdk_pixbuf_query_loaders, *loader_libs],
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check=True,
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stdout=subprocess.PIPE,
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encoding='utf-8').stdout
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output_lines = []
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prefix = '"' + os.path.join(libdir, 'gdk-pixbuf-2.0', '2.10.0')
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plen = len(prefix)
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win_prefix = '"' + '\\\\'.join(['lib', 'gdk-pixbuf-2.0', '2.10.0'])
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win_plen = len(win_prefix)
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msys2_prefix = '"' + os.path.abspath(os.path.join(libdir, '..', 'lib', 'gdk-pixbuf-2.0', '2.10.0'))
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msys2_plen = len(msys2_prefix)
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# For each line in the updated loader cache...
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for line in cachedata.splitlines():
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if line.startswith('#'):
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continue
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if line.startswith(prefix):
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line = '"@executable_path/' + LOADER_CACHE_DEST_PATH + line[plen:]
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elif line.startswith(win_prefix):
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line = '"' + LOADER_CACHE_DEST_PATH.replace('/', '\\\\') + line[win_plen:]
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elif line.startswith(msys2_prefix):
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line = ('"' + LOADER_CACHE_DEST_PATH + line[msys2_plen:]).replace('/', '\\\\')
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output_lines.append(line)
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return '\n'.join(output_lines)
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def hook(hook_api):
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module_info = GiModuleInfo('GdkPixbuf', '2.0')
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if not module_info.available:
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return
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binaries, datas, hiddenimports = module_info.collect_typelib_data()
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libdir = module_info.get_libdir()
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# Collect GdkPixbuf loaders and generate loader cache file
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gdk_pixbuf_query_loaders = _find_gdk_pixbuf_query_loaders_executable(libdir)
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logger.debug("gdk-pixbuf-query-loaders executable: %s", gdk_pixbuf_query_loaders)
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if not gdk_pixbuf_query_loaders:
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logger.warning("gdk-pixbuf-query-loaders executable not found in GI library directory or in PATH!")
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else:
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# Find all GdkPixbuf loader modules
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loader_libs = _collect_loaders(libdir)
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# Collect discovered loaders
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for lib in loader_libs:
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binaries.append((lib, LOADER_MODULE_DEST_PATH))
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# Generate loader cache; we need to store it to CONF['workpath'] so we can collect it as a data file.
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cachedata = _generate_loader_cache(gdk_pixbuf_query_loaders, libdir, loader_libs)
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cachefile = os.path.join(CONF['workpath'], 'loaders.cache')
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with open(cachefile, 'w', encoding='utf-8') as fp:
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fp.write(cachedata)
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datas.append((cachefile, LOADER_CACHE_DEST_PATH))
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# Collect translations
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lang_list = get_hook_config(hook_api, "gi", "languages")
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if gdk_pixbuf_query_loaders:
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datas += collect_glib_translations('gdk-pixbuf', lang_list)
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hook_api.add_datas(datas)
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hook_api.add_binaries(binaries)
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hook_api.add_imports(*hiddenimports)
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