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# Copyright 2014-2016 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This is a helper script for IDE developers. It allows you to
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extract information such as list of targets, files, compiler flags,
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tests and so on. All output is in JSON for simple parsing.
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Currently only works for the Ninja backend. Others use generated
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project files and don't need this info."""
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import json
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from . import build, coredata as cdata
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from . import mesonlib
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from .ast import IntrospectionInterpreter, build_target_functions, AstConditionLevel, AstIDGenerator, AstIndentationGenerator
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from . import mlog
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from .backend import backends
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from .mparser import FunctionNode, ArrayNode, ArgumentNode, StringNode
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from typing import Dict, List, Optional
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import os
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import pathlib
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def get_meson_info_file(info_dir: str):
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return os.path.join(info_dir, 'meson-info.json')
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def get_meson_introspection_version():
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return '1.0.0'
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def get_meson_introspection_required_version():
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return ['>=1.0', '<2.0']
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def get_meson_introspection_types(coredata: Optional[cdata.CoreData] = None,
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builddata: Optional[build.Build] = None,
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backend: Optional[backends.Backend] = None,
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sourcedir: Optional[str] = None):
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if backend and builddata:
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benchmarkdata = backend.create_test_serialisation(builddata.get_benchmarks())
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testdata = backend.create_test_serialisation(builddata.get_tests())
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installdata = backend.create_install_data()
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else:
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benchmarkdata = testdata = installdata = None
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return {
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'benchmarks': {
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'func': lambda: list_benchmarks(benchmarkdata),
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'desc': 'List all benchmarks.',
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},
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'buildoptions': {
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'func': lambda: list_buildoptions(coredata),
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'no_bd': lambda intr: list_buildoptions_from_source(intr),
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'desc': 'List all build options.',
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},
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'buildsystem_files': {
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'func': lambda: list_buildsystem_files(builddata),
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'desc': 'List files that make up the build system.',
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'key': 'buildsystem-files',
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},
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'dependencies': {
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'func': lambda: list_deps(coredata),
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'no_bd': lambda intr: list_deps_from_source(intr),
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'desc': 'List external dependencies.',
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},
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'scan_dependencies': {
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'no_bd': lambda intr: list_deps_from_source(intr),
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'desc': 'Scan for dependencies used in the meson.build file.',
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'key': 'scan-dependencies',
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},
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'installed': {
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'func': lambda: list_installed(installdata),
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'desc': 'List all installed files and directories.',
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},
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'projectinfo': {
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'func': lambda: list_projinfo(builddata),
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'no_bd': lambda intr: list_projinfo_from_source(sourcedir, intr),
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'desc': 'Information about projects.',
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},
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'targets': {
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'func': lambda: list_targets(builddata, installdata, backend),
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'no_bd': lambda intr: list_targets_from_source(intr),
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'desc': 'List top level targets.',
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},
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'tests': {
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'func': lambda: list_tests(testdata),
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'desc': 'List all unit tests.',
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}
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}
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def add_arguments(parser):
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intro_types = get_meson_introspection_types()
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for key, val in intro_types.items():
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flag = '--' + val.get('key', key)
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parser.add_argument(flag, action='store_true', dest=key, default=False, help=val['desc'])
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parser.add_argument('--backend', choices=cdata.backendlist, dest='backend', default='ninja',
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help='The backend to use for the --buildoptions introspection.')
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parser.add_argument('-a', '--all', action='store_true', dest='all', default=False,
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help='Print all available information.')
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parser.add_argument('-i', '--indent', action='store_true', dest='indent', default=False,
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help='Enable pretty printed JSON.')
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parser.add_argument('-f', '--force-object-output', action='store_true', dest='force_dict', default=False,
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help='Always use the new JSON format for multiple entries (even for 0 and 1 introspection commands)')
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parser.add_argument('builddir', nargs='?', default='.', help='The build directory')
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def list_installed(installdata):
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res = {}
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if installdata is not None:
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macos: Rewrite install_name for dependent built libraries on install
On macOS, we set the install_name for built libraries to
@rpath/libfoo.dylib, and when linking to the library, we set the RPATH
to its path in the build directory. This allows all built binaries to
be run as-is from the build directory (uninstalled).
However, on install, we have to strip all the RPATHs because they
point to the build directory, and we change the install_name of all
built libraries to the absolute path to the library. This causes the
install name in binaries to be out of date.
We now change that install name to point to the absolute path to each
built library after installation.
Fixes https://github.com/mesonbuild/meson/issues/3038
Fixes https://github.com/mesonbuild/meson/issues/3077
With this, the default workflow on macOS matches what everyone seems
to do, including Autotools and CMake. The next step is providing a way
for build files to override the install_name that is used after
installation for use with, f.ex., private libraries when combined with
the install_rpath: kwarg on targets.
7 years ago
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for t in installdata.targets:
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res[os.path.join(installdata.build_dir, t.fname)] = \
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os.path.join(installdata.prefix, t.outdir, os.path.basename(t.fname))
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for path, installpath, _ in installdata.data:
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res[path] = os.path.join(installdata.prefix, installpath)
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for path, installdir, _ in installdata.headers:
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res[path] = os.path.join(installdata.prefix, installdir, os.path.basename(path))
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for path, installpath, _ in installdata.man:
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res[path] = os.path.join(installdata.prefix, installpath)
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return res
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def list_targets_from_source(intr: IntrospectionInterpreter):
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tlist = []
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for i in intr.targets:
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sources = []
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for n in i['sources']:
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args = []
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if isinstance(n, FunctionNode):
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args = list(n.args.arguments)
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if n.func_name in build_target_functions:
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args.pop(0)
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elif isinstance(n, ArrayNode):
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args = n.args.arguments
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elif isinstance(n, ArgumentNode):
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args = n.arguments
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for j in args:
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if isinstance(j, StringNode):
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sources += [j.value]
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elif isinstance(j, str):
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sources += [j]
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tlist += [{
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'name': i['name'],
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'id': i['id'],
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'type': i['type'],
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'defined_in': i['defined_in'],
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'filename': [os.path.join(i['subdir'], x) for x in i['outputs']],
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'build_by_default': i['build_by_default'],
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'target_sources': [{
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'language': 'unknown',
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'compiler': [],
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'parameters': [],
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'sources': [os.path.normpath(os.path.join(os.path.abspath(intr.source_root), i['subdir'], x)) for x in sources],
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'generated_sources': []
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}],
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'subproject': None, # Subprojects are not supported
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'installed': i['installed']
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}]
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return tlist
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def list_targets(builddata: build.Build, installdata, backend: backends.Backend):
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tlist = []
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build_dir = builddata.environment.get_build_dir()
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src_dir = builddata.environment.get_source_dir()
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# Fast lookup table for installation files
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install_lookuptable = {}
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for i in installdata.targets:
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outname = os.path.join(installdata.prefix, i.outdir, os.path.basename(i.fname))
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install_lookuptable[os.path.basename(i.fname)] = str(pathlib.PurePath(outname))
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for (idname, target) in builddata.get_targets().items():
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if not isinstance(target, build.Target):
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raise RuntimeError('The target object in `builddata.get_targets()` is not of type `build.Target`. Please file a bug with this error message.')
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t = {
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'name': target.get_basename(),
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'id': idname,
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'type': target.get_typename(),
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'defined_in': os.path.normpath(os.path.join(src_dir, target.subdir, 'meson.build')),
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'filename': [os.path.join(build_dir, target.subdir, x) for x in target.get_outputs()],
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'build_by_default': target.build_by_default,
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'target_sources': backend.get_introspection_data(idname, target),
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'subproject': target.subproject or None
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}
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if installdata and target.should_install():
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t['installed'] = True
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t['install_filename'] = [install_lookuptable.get(x, None) for x in target.get_outputs()]
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else:
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t['installed'] = False
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tlist.append(t)
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return tlist
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def list_buildoptions_from_source(intr: IntrospectionInterpreter) -> List[dict]:
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return list_buildoptions(intr.coredata)
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def list_buildoptions(coredata: cdata.CoreData) -> List[dict]:
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optlist = []
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dir_option_names = ['bindir',
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'datadir',
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'includedir',
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'infodir',
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'libdir',
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'libexecdir',
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'localedir',
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'localstatedir',
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'mandir',
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'prefix',
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'sbindir',
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'sharedstatedir',
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'sysconfdir']
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test_option_names = ['errorlogs',
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'stdsplit']
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core_option_names = [k for k in coredata.builtins if k not in dir_option_names + test_option_names]
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dir_options = {k: o for k, o in coredata.builtins.items() if k in dir_option_names}
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test_options = {k: o for k, o in coredata.builtins.items() if k in test_option_names}
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core_options = {k: o for k, o in coredata.builtins.items() if k in core_option_names}
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add_keys(optlist, core_options, 'core')
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add_keys(optlist, coredata.backend_options, 'backend')
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add_keys(optlist, coredata.base_options, 'base')
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# TODO others
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add_keys(optlist, coredata.compiler_options.build, 'compiler')
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add_keys(optlist, dir_options, 'directory')
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add_keys(optlist, coredata.user_options, 'user')
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add_keys(optlist, test_options, 'test')
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return optlist
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def add_keys(optlist, options: Dict[str, cdata.UserOption], section):
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keys = list(options.keys())
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keys.sort()
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for key in keys:
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opt = options[key]
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optdict = {'name': key, 'value': opt.value, 'section': section}
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if isinstance(opt, cdata.UserStringOption):
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typestr = 'string'
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elif isinstance(opt, cdata.UserBooleanOption):
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typestr = 'boolean'
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elif isinstance(opt, cdata.UserComboOption):
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optdict['choices'] = opt.choices
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typestr = 'combo'
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elif isinstance(opt, cdata.UserIntegerOption):
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typestr = 'integer'
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elif isinstance(opt, cdata.UserArrayOption):
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typestr = 'array'
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else:
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raise RuntimeError("Unknown option type")
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optdict['type'] = typestr
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optdict['description'] = opt.description
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optlist.append(optdict)
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def find_buildsystem_files_list(src_dir):
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# I feel dirty about this. But only slightly.
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filelist = []
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for root, _, files in os.walk(src_dir):
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for f in files:
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if f == 'meson.build' or f == 'meson_options.txt':
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filelist.append(os.path.relpath(os.path.join(root, f), src_dir))
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return filelist
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def list_buildsystem_files(builddata: build.Build):
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src_dir = builddata.environment.get_source_dir()
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filelist = find_buildsystem_files_list(src_dir)
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filelist = [os.path.join(src_dir, x) for x in filelist]
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return filelist
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def list_deps_from_source(intr: IntrospectionInterpreter):
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result = []
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for i in intr.dependencies:
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result += [{k: v for k, v in i.items() if k in ['name', 'required', 'has_fallback', 'conditional']}]
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return result
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def list_deps(coredata: cdata.CoreData):
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result = []
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for d in coredata.deps.host.values():
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if d.found():
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result += [{'name': d.name,
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'compile_args': d.get_compile_args(),
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'link_args': d.get_link_args()}]
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return result
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def get_test_list(testdata):
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result = []
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for t in testdata:
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to = {}
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if isinstance(t.fname, str):
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fname = [t.fname]
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else:
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fname = t.fname
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to['cmd'] = fname + t.cmd_args
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mintro: Allow serializing EnvironmentVariables objects
Otherwise trying to introspect tests might lead to:
Traceback (most recent call last):
File "/home/thiblahute/devel/gstreamer/gst-build/meson/mesonintrospect.py", line 20, in <module>
sys.exit(mintro.run(sys.argv[1:]))
File "/home/thiblahute/devel/gstreamer/gst-build/meson/mesonbuild/mintro.py", line 213, in run
list_tests(testdata)
File "/home/thiblahute/devel/gstreamer/gst-build/meson/mesonbuild/mintro.py", line 178, in list_tests
print(json.dumps(result))
File "/usr/lib/python3.5/json/__init__.py", line 230, in dumps
return _default_encoder.encode(obj)
File "/usr/lib/python3.5/json/encoder.py", line 198, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.5/json/encoder.py", line 256, in iterencode
return _iterencode(o, 0)
File "/usr/lib/python3.5/json/encoder.py", line 179, in default
raise TypeError(repr(o) + " is not JSON serializable")
TypeError: <mesonbuild.build.EnvironmentVariables object at 0x7f83e8fa8c18> is not JSON serializable
8 years ago
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if isinstance(t.env, build.EnvironmentVariables):
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to['env'] = t.env.get_env({})
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mintro: Allow serializing EnvironmentVariables objects
Otherwise trying to introspect tests might lead to:
Traceback (most recent call last):
File "/home/thiblahute/devel/gstreamer/gst-build/meson/mesonintrospect.py", line 20, in <module>
sys.exit(mintro.run(sys.argv[1:]))
File "/home/thiblahute/devel/gstreamer/gst-build/meson/mesonbuild/mintro.py", line 213, in run
list_tests(testdata)
File "/home/thiblahute/devel/gstreamer/gst-build/meson/mesonbuild/mintro.py", line 178, in list_tests
print(json.dumps(result))
File "/usr/lib/python3.5/json/__init__.py", line 230, in dumps
return _default_encoder.encode(obj)
File "/usr/lib/python3.5/json/encoder.py", line 198, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.5/json/encoder.py", line 256, in iterencode
return _iterencode(o, 0)
File "/usr/lib/python3.5/json/encoder.py", line 179, in default
raise TypeError(repr(o) + " is not JSON serializable")
TypeError: <mesonbuild.build.EnvironmentVariables object at 0x7f83e8fa8c18> is not JSON serializable
8 years ago
|
|
|
else:
|
|
|
|
to['env'] = t.env
|
|
|
|
to['name'] = t.name
|
|
|
|
to['workdir'] = t.workdir
|
|
|
|
to['timeout'] = t.timeout
|
|
|
|
to['suite'] = t.suite
|
|
|
|
to['is_parallel'] = t.is_parallel
|
|
|
|
result.append(to)
|
|
|
|
return result
|
|
|
|
|
|
|
|
def list_tests(testdata):
|
|
|
|
return get_test_list(testdata)
|
|
|
|
|
|
|
|
def list_benchmarks(benchdata):
|
|
|
|
return get_test_list(benchdata)
|
|
|
|
|
|
|
|
def list_projinfo(builddata: build.Build):
|
|
|
|
result = {'version': builddata.project_version,
|
|
|
|
'descriptive_name': builddata.project_name,
|
|
|
|
'subproject_dir': builddata.subproject_dir}
|
|
|
|
subprojects = []
|
|
|
|
for k, v in builddata.subprojects.items():
|
|
|
|
c = {'name': k,
|
|
|
|
'version': v,
|
|
|
|
'descriptive_name': builddata.projects.get(k)}
|
|
|
|
subprojects.append(c)
|
|
|
|
result['subprojects'] = subprojects
|
|
|
|
return result
|
|
|
|
|
|
|
|
def list_projinfo_from_source(sourcedir: str, intr: IntrospectionInterpreter):
|
|
|
|
files = find_buildsystem_files_list(sourcedir)
|
|
|
|
files = [os.path.normpath(x) for x in files]
|
|
|
|
|
|
|
|
for i in intr.project_data['subprojects']:
|
|
|
|
basedir = os.path.join(intr.subproject_dir, i['name'])
|
|
|
|
i['buildsystem_files'] = [x for x in files if x.startswith(basedir)]
|
|
|
|
files = [x for x in files if not x.startswith(basedir)]
|
|
|
|
|
|
|
|
intr.project_data['buildsystem_files'] = files
|
|
|
|
intr.project_data['subproject_dir'] = intr.subproject_dir
|
|
|
|
return intr.project_data
|
|
|
|
|
|
|
|
def print_results(options, results, indent):
|
|
|
|
if not results and not options.force_dict:
|
|
|
|
print('No command specified')
|
|
|
|
return 1
|
|
|
|
elif len(results) == 1 and not options.force_dict:
|
|
|
|
# Make to keep the existing output format for a single option
|
|
|
|
print(json.dumps(results[0][1], indent=indent))
|
|
|
|
else:
|
|
|
|
out = {}
|
|
|
|
for i in results:
|
|
|
|
out[i[0]] = i[1]
|
|
|
|
print(json.dumps(out, indent=indent))
|
|
|
|
return 0
|
|
|
|
|
|
|
|
def run(options):
|
|
|
|
datadir = 'meson-private'
|
|
|
|
infodir = 'meson-info'
|
|
|
|
if options.builddir is not None:
|
|
|
|
datadir = os.path.join(options.builddir, datadir)
|
|
|
|
infodir = os.path.join(options.builddir, infodir)
|
|
|
|
indent = 4 if options.indent else None
|
|
|
|
results = []
|
|
|
|
sourcedir = '.' if options.builddir == 'meson.build' else options.builddir[:-11]
|
|
|
|
intro_types = get_meson_introspection_types(sourcedir=sourcedir)
|
|
|
|
|
|
|
|
if 'meson.build' in [os.path.basename(options.builddir), options.builddir]:
|
|
|
|
# Make sure that log entries in other parts of meson don't interfere with the JSON output
|
|
|
|
mlog.disable()
|
|
|
|
backend = backends.get_backend_from_name(options.backend, None)
|
|
|
|
intr = IntrospectionInterpreter(sourcedir, '', backend.name, visitors = [AstIDGenerator(), AstIndentationGenerator(), AstConditionLevel()])
|
|
|
|
intr.analyze()
|
|
|
|
# Reenable logging just in case
|
|
|
|
mlog.enable()
|
|
|
|
for key, val in intro_types.items():
|
|
|
|
if (not options.all and not getattr(options, key, False)) or 'no_bd' not in val:
|
|
|
|
continue
|
|
|
|
results += [(key, val['no_bd'](intr))]
|
|
|
|
return print_results(options, results, indent)
|
|
|
|
|
|
|
|
infofile = get_meson_info_file(infodir)
|
|
|
|
if not os.path.isdir(datadir) or not os.path.isdir(infodir) or not os.path.isfile(infofile):
|
|
|
|
print('Current directory is not a meson build directory.'
|
|
|
|
'Please specify a valid build dir or change the working directory to it.'
|
|
|
|
'It is also possible that the build directory was generated with an old'
|
|
|
|
'meson version. Please regenerate it in this case.')
|
|
|
|
return 1
|
|
|
|
|
|
|
|
intro_vers = '0.0.0'
|
|
|
|
with open(infofile, 'r') as fp:
|
|
|
|
raw = json.load(fp)
|
|
|
|
intro_vers = raw.get('introspection', {}).get('version', {}).get('full', '0.0.0')
|
|
|
|
|
|
|
|
vers_to_check = get_meson_introspection_required_version()
|
|
|
|
for i in vers_to_check:
|
|
|
|
if not mesonlib.version_compare(intro_vers, i):
|
|
|
|
print('Introspection version {} is not supported. '
|
|
|
|
'The required version is: {}'
|
|
|
|
.format(intro_vers, ' and '.join(vers_to_check)))
|
|
|
|
return 1
|
|
|
|
|
|
|
|
# Extract introspection information from JSON
|
|
|
|
for i in intro_types.keys():
|
|
|
|
if 'func' not in intro_types[i]:
|
|
|
|
continue
|
|
|
|
if not options.all and not getattr(options, i, False):
|
|
|
|
continue
|
|
|
|
curr = os.path.join(infodir, 'intro-{}.json'.format(i))
|
|
|
|
if not os.path.isfile(curr):
|
|
|
|
print('Introspection file {} does not exist.'.format(curr))
|
|
|
|
return 1
|
|
|
|
with open(curr, 'r') as fp:
|
|
|
|
results += [(i, json.load(fp))]
|
|
|
|
|
|
|
|
return print_results(options, results, indent)
|
|
|
|
|
|
|
|
updated_introspection_files = []
|
|
|
|
|
|
|
|
def write_intro_info(intro_info, info_dir):
|
|
|
|
global updated_introspection_files
|
|
|
|
for i in intro_info:
|
|
|
|
out_file = os.path.join(info_dir, 'intro-{}.json'.format(i[0]))
|
|
|
|
tmp_file = os.path.join(info_dir, 'tmp_dump.json')
|
|
|
|
with open(tmp_file, 'w') as fp:
|
|
|
|
json.dump(i[1], fp)
|
|
|
|
fp.flush() # Not sure if this is needed
|
|
|
|
os.replace(tmp_file, out_file)
|
|
|
|
updated_introspection_files += [i[0]]
|
|
|
|
|
|
|
|
def generate_introspection_file(builddata: build.Build, backend: backends.Backend):
|
|
|
|
coredata = builddata.environment.get_coredata()
|
|
|
|
intro_types = get_meson_introspection_types(coredata=coredata, builddata=builddata, backend=backend)
|
|
|
|
intro_info = []
|
|
|
|
|
|
|
|
for key, val in intro_types.items():
|
|
|
|
if 'func' not in val:
|
|
|
|
continue
|
|
|
|
intro_info += [(key, val['func']())]
|
|
|
|
|
|
|
|
write_intro_info(intro_info, builddata.environment.info_dir)
|
|
|
|
|
|
|
|
def update_build_options(coredata: cdata.CoreData, info_dir):
|
|
|
|
intro_info = [
|
|
|
|
('buildoptions', list_buildoptions(coredata))
|
|
|
|
]
|
|
|
|
|
|
|
|
write_intro_info(intro_info, info_dir)
|
|
|
|
|
|
|
|
def split_version_string(version: str):
|
|
|
|
vers_list = version.split('.')
|
|
|
|
return {
|
|
|
|
'full': version,
|
|
|
|
'major': int(vers_list[0] if len(vers_list) > 0 else 0),
|
|
|
|
'minor': int(vers_list[1] if len(vers_list) > 1 else 0),
|
|
|
|
'patch': int(vers_list[2] if len(vers_list) > 2 else 0)
|
|
|
|
}
|
|
|
|
|
|
|
|
def write_meson_info_file(builddata: build.Build, errors: list, build_files_updated: bool = False):
|
|
|
|
global updated_introspection_files
|
|
|
|
info_dir = builddata.environment.info_dir
|
|
|
|
info_file = get_meson_info_file(info_dir)
|
|
|
|
intro_types = get_meson_introspection_types()
|
|
|
|
intro_info = {}
|
|
|
|
|
|
|
|
for i in intro_types.keys():
|
|
|
|
if 'func' not in intro_types[i]:
|
|
|
|
continue
|
|
|
|
intro_info[i] = {
|
|
|
|
'file': 'intro-{}.json'.format(i),
|
|
|
|
'updated': i in updated_introspection_files
|
|
|
|
}
|
|
|
|
|
|
|
|
info_data = {
|
|
|
|
'meson_version': split_version_string(cdata.version),
|
|
|
|
'directories': {
|
|
|
|
'source': builddata.environment.get_source_dir(),
|
|
|
|
'build': builddata.environment.get_build_dir(),
|
|
|
|
'info': info_dir,
|
|
|
|
},
|
|
|
|
'introspection': {
|
|
|
|
'version': split_version_string(get_meson_introspection_version()),
|
|
|
|
'information': intro_info,
|
|
|
|
},
|
|
|
|
'build_files_updated': build_files_updated,
|
|
|
|
}
|
|
|
|
|
|
|
|
if errors:
|
|
|
|
info_data['error'] = True
|
|
|
|
info_data['error_list'] = [x if isinstance(x, str) else str(x) for x in errors]
|
|
|
|
else:
|
|
|
|
info_data['error'] = False
|
|
|
|
|
|
|
|
# Write the data to disc
|
|
|
|
tmp_file = os.path.join(info_dir, 'tmp_dump.json')
|
|
|
|
with open(tmp_file, 'w') as fp:
|
|
|
|
json.dump(info_data, fp)
|
|
|
|
fp.flush()
|
|
|
|
os.replace(tmp_file, info_file)
|