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Diffstat (limited to '')
| -rw-r--r-- | mesonbuild/modules/qt.py | 608 |
1 files changed, 608 insertions, 0 deletions
diff --git a/mesonbuild/modules/qt.py b/mesonbuild/modules/qt.py new file mode 100644 index 0000000..73160c0 --- /dev/null +++ b/mesonbuild/modules/qt.py @@ -0,0 +1,608 @@ +# Copyright 2015 The Meson development team +# Copyright © 2021 Intel Corporation + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at + +# http://www.apache.org/licenses/LICENSE-2.0 + +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +from __future__ import annotations + +import os +import shutil +import typing as T +import xml.etree.ElementTree as ET + +from . import ModuleReturnValue, ExtensionModule +from .. import build +from .. import coredata +from .. import mlog +from ..dependencies import find_external_dependency, Dependency, ExternalLibrary +from ..mesonlib import MesonException, File, version_compare, Popen_safe +from ..interpreter import extract_required_kwarg +from ..interpreter.type_checking import INSTALL_DIR_KW, INSTALL_KW, NoneType +from ..interpreterbase import ContainerTypeInfo, FeatureDeprecated, KwargInfo, noPosargs, FeatureNew, typed_kwargs +from ..programs import NonExistingExternalProgram + +if T.TYPE_CHECKING: + from . import ModuleState + from ..dependencies.qt import QtPkgConfigDependency, QmakeQtDependency + from ..interpreter import Interpreter + from ..interpreter import kwargs + from ..mesonlib import FileOrString + from ..programs import ExternalProgram + + QtDependencyType = T.Union[QtPkgConfigDependency, QmakeQtDependency] + + from typing_extensions import TypedDict + + class ResourceCompilerKwArgs(TypedDict): + + """Keyword arguments for the Resource Compiler method.""" + + name: T.Optional[str] + sources: T.Sequence[T.Union[FileOrString, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList]] + extra_args: T.List[str] + method: str + + class UICompilerKwArgs(TypedDict): + + """Keyword arguments for the Ui Compiler method.""" + + sources: T.Sequence[T.Union[FileOrString, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList]] + extra_args: T.List[str] + method: str + + class MocCompilerKwArgs(TypedDict): + + """Keyword arguments for the Moc Compiler method.""" + + sources: T.Sequence[T.Union[FileOrString, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList]] + headers: T.Sequence[T.Union[FileOrString, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList]] + extra_args: T.List[str] + method: str + include_directories: T.List[T.Union[str, build.IncludeDirs]] + dependencies: T.List[T.Union[Dependency, ExternalLibrary]] + + class PreprocessKwArgs(TypedDict): + + sources: T.List[FileOrString] + moc_sources: T.List[T.Union[FileOrString, build.CustomTarget]] + moc_headers: T.List[T.Union[FileOrString, build.CustomTarget]] + qresources: T.List[FileOrString] + ui_files: T.List[T.Union[FileOrString, build.CustomTarget]] + moc_extra_arguments: T.List[str] + rcc_extra_arguments: T.List[str] + uic_extra_arguments: T.List[str] + include_directories: T.List[T.Union[str, build.IncludeDirs]] + dependencies: T.List[T.Union[Dependency, ExternalLibrary]] + method: str + + class HasToolKwArgs(kwargs.ExtractRequired): + + method: str + + class CompileTranslationsKwArgs(TypedDict): + + build_by_default: bool + install: bool + install_dir: T.Optional[str] + method: str + qresource: T.Optional[str] + rcc_extra_arguments: T.List[str] + ts_files: T.List[T.Union[str, File, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList]] + +class QtBaseModule(ExtensionModule): + _tools_detected = False + _rcc_supports_depfiles = False + _moc_supports_depfiles = False + + def __init__(self, interpreter: 'Interpreter', qt_version: int = 5): + ExtensionModule.__init__(self, interpreter) + self.qt_version = qt_version + # It is important that this list does not change order as the order of + # the returned ExternalPrograms will change as well + self.tools: T.Dict[str, ExternalProgram] = { + 'moc': NonExistingExternalProgram('moc'), + 'uic': NonExistingExternalProgram('uic'), + 'rcc': NonExistingExternalProgram('rcc'), + 'lrelease': NonExistingExternalProgram('lrelease'), + } + self.methods.update({ + 'has_tools': self.has_tools, + 'preprocess': self.preprocess, + 'compile_translations': self.compile_translations, + 'compile_resources': self.compile_resources, + 'compile_ui': self.compile_ui, + 'compile_moc': self.compile_moc, + }) + + def compilers_detect(self, state: 'ModuleState', qt_dep: 'QtDependencyType') -> None: + """Detect Qt (4 or 5) moc, uic, rcc in the specified bindir or in PATH""" + wanted = f'== {qt_dep.version}' + + def gen_bins() -> T.Generator[T.Tuple[str, str], None, None]: + for b in self.tools: + if qt_dep.bindir: + yield os.path.join(qt_dep.bindir, b), b + if qt_dep.libexecdir: + yield os.path.join(qt_dep.libexecdir, b), b + # prefer the (official) <tool><version> or (unofficial) <tool>-qt<version> + # of the tool to the plain one, as we + # don't know what the unsuffixed one points to without calling it. + yield f'{b}{qt_dep.qtver}', b + yield f'{b}-qt{qt_dep.qtver}', b + yield b, b + + for b, name in gen_bins(): + if self.tools[name].found(): + continue + + if name == 'lrelease': + arg = ['-version'] + elif version_compare(qt_dep.version, '>= 5'): + arg = ['--version'] + else: + arg = ['-v'] + + # Ensure that the version of qt and each tool are the same + def get_version(p: ExternalProgram) -> str: + _, out, err = Popen_safe(p.get_command() + arg) + if name == 'lrelease' or not qt_dep.version.startswith('4'): + care = out + else: + care = err + return care.rsplit(' ', maxsplit=1)[-1].replace(')', '').strip() + + p = state.find_program(b, required=False, + version_func=get_version, + wanted=wanted) + if p.found(): + self.tools[name] = p + + def _detect_tools(self, state: 'ModuleState', method: str, required: bool = True) -> None: + if self._tools_detected: + return + self._tools_detected = True + mlog.log(f'Detecting Qt{self.qt_version} tools') + kwargs = {'required': required, 'modules': 'Core', 'method': method} + # Just pick one to make mypy happy + qt = T.cast('QtPkgConfigDependency', find_external_dependency(f'qt{self.qt_version}', state.environment, kwargs)) + if qt.found(): + # Get all tools and then make sure that they are the right version + self.compilers_detect(state, qt) + if version_compare(qt.version, '>=5.15.0'): + self._moc_supports_depfiles = True + else: + mlog.warning('moc dependencies will not work properly until you move to Qt >= 5.15', fatal=False) + if version_compare(qt.version, '>=5.14.0'): + self._rcc_supports_depfiles = True + else: + mlog.warning('rcc dependencies will not work properly until you move to Qt >= 5.14:', + mlog.bold('https://bugreports.qt.io/browse/QTBUG-45460'), fatal=False) + else: + suffix = f'-qt{self.qt_version}' + self.tools['moc'] = NonExistingExternalProgram(name='moc' + suffix) + self.tools['uic'] = NonExistingExternalProgram(name='uic' + suffix) + self.tools['rcc'] = NonExistingExternalProgram(name='rcc' + suffix) + self.tools['lrelease'] = NonExistingExternalProgram(name='lrelease' + suffix) + + @staticmethod + def _qrc_nodes(state: 'ModuleState', rcc_file: 'FileOrString') -> T.Tuple[str, T.List[str]]: + abspath: str + if isinstance(rcc_file, str): + abspath = os.path.join(state.environment.source_dir, state.subdir, rcc_file) + else: + abspath = rcc_file.absolute_path(state.environment.source_dir, state.environment.build_dir) + rcc_dirname = os.path.dirname(abspath) + + # FIXME: what error are we actually trying to check here? (probably parse errors?) + try: + tree = ET.parse(abspath) + root = tree.getroot() + result: T.List[str] = [] + for child in root[0]: + if child.tag != 'file': + mlog.warning("malformed rcc file: ", os.path.join(state.subdir, str(rcc_file))) + break + elif child.text is None: + raise MesonException(f'<file> element without a path in {os.path.join(state.subdir, str(rcc_file))}') + else: + result.append(child.text) + + return rcc_dirname, result + except MesonException: + raise + except Exception: + raise MesonException(f'Unable to parse resource file {abspath}') + + def _parse_qrc_deps(self, state: 'ModuleState', + rcc_file_: T.Union['FileOrString', build.CustomTarget, build.CustomTargetIndex, build.GeneratedList]) -> T.List[File]: + result: T.List[File] = [] + inputs: T.Sequence['FileOrString'] = [] + if isinstance(rcc_file_, (str, File)): + inputs = [rcc_file_] + else: + inputs = rcc_file_.get_outputs() + + for rcc_file in inputs: + rcc_dirname, nodes = self._qrc_nodes(state, rcc_file) + for resource_path in nodes: + # We need to guess if the pointed resource is: + # a) in build directory -> implies a generated file + # b) in source directory + # c) somewhere else external dependency file to bundle + # + # Also from qrc documentation: relative path are always from qrc file + # So relative path must always be computed from qrc file ! + if os.path.isabs(resource_path): + # a) + if resource_path.startswith(os.path.abspath(state.environment.build_dir)): + resource_relpath = os.path.relpath(resource_path, state.environment.build_dir) + result.append(File(is_built=True, subdir='', fname=resource_relpath)) + # either b) or c) + else: + result.append(File(is_built=False, subdir=state.subdir, fname=resource_path)) + else: + path_from_rcc = os.path.normpath(os.path.join(rcc_dirname, resource_path)) + # a) + if path_from_rcc.startswith(state.environment.build_dir): + result.append(File(is_built=True, subdir=state.subdir, fname=resource_path)) + # b) + else: + result.append(File(is_built=False, subdir=state.subdir, fname=path_from_rcc)) + return result + + @FeatureNew('qt.has_tools', '0.54.0') + @noPosargs + @typed_kwargs( + 'qt.has_tools', + KwargInfo('required', (bool, coredata.UserFeatureOption), default=False), + KwargInfo('method', str, default='auto'), + ) + def has_tools(self, state: 'ModuleState', args: T.Tuple, kwargs: 'HasToolKwArgs') -> bool: + method = kwargs.get('method', 'auto') + # We have to cast here because TypedDicts are invariant, even though + # ExtractRequiredKwArgs is a subset of HasToolKwArgs, type checkers + # will insist this is wrong + disabled, required, feature = extract_required_kwarg(kwargs, state.subproject, default=False) + if disabled: + mlog.log('qt.has_tools skipped: feature', mlog.bold(feature), 'disabled') + return False + self._detect_tools(state, method, required=False) + for tool in self.tools.values(): + if not tool.found(): + if required: + raise MesonException('Qt tools not found') + return False + return True + + @FeatureNew('qt.compile_resources', '0.59.0') + @noPosargs + @typed_kwargs( + 'qt.compile_resources', + KwargInfo('name', (str, NoneType)), + KwargInfo( + 'sources', + ContainerTypeInfo(list, (File, str, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList), allow_empty=False), + listify=True, + required=True, + ), + KwargInfo('extra_args', ContainerTypeInfo(list, str), listify=True, default=[]), + KwargInfo('method', str, default='auto') + ) + def compile_resources(self, state: 'ModuleState', args: T.Tuple, kwargs: 'ResourceCompilerKwArgs') -> ModuleReturnValue: + """Compile Qt resources files. + + Uses CustomTargets to generate .cpp files from .qrc files. + """ + if any(isinstance(s, (build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)) for s in kwargs['sources']): + FeatureNew.single_use('qt.compile_resources: custom_target or generator for "sources" keyword argument', + '0.60.0', state.subproject, location=state.current_node) + out = self._compile_resources_impl(state, kwargs) + return ModuleReturnValue(out, [out]) + + def _compile_resources_impl(self, state: 'ModuleState', kwargs: 'ResourceCompilerKwArgs') -> T.List[build.CustomTarget]: + # Avoid the FeatureNew when dispatching from preprocess + self._detect_tools(state, kwargs['method']) + if not self.tools['rcc'].found(): + err_msg = ("{0} sources specified and couldn't find {1}, " + "please check your qt{2} installation") + raise MesonException(err_msg.format('RCC', f'rcc-qt{self.qt_version}', self.qt_version)) + + # List of generated CustomTargets + targets: T.List[build.CustomTarget] = [] + + # depfile arguments + DEPFILE_ARGS: T.List[str] = ['--depfile', '@DEPFILE@'] if self._rcc_supports_depfiles else [] + + name = kwargs['name'] + sources: T.List['FileOrString'] = [] + for s in kwargs['sources']: + if isinstance(s, (str, File)): + sources.append(s) + else: + sources.extend(s.get_outputs()) + extra_args = kwargs['extra_args'] + + # If a name was set generate a single .cpp file from all of the qrc + # files, otherwise generate one .cpp file per qrc file. + if name: + qrc_deps: T.List[File] = [] + for s in sources: + qrc_deps.extend(self._parse_qrc_deps(state, s)) + + res_target = build.CustomTarget( + name, + state.subdir, + state.subproject, + state.environment, + self.tools['rcc'].get_command() + ['-name', name, '-o', '@OUTPUT@'] + extra_args + ['@INPUT@'] + DEPFILE_ARGS, + sources, + [f'{name}.cpp'], + depend_files=qrc_deps, + depfile=f'{name}.d', + ) + targets.append(res_target) + else: + for rcc_file in sources: + qrc_deps = self._parse_qrc_deps(state, rcc_file) + if isinstance(rcc_file, str): + basename = os.path.basename(rcc_file) + else: + basename = os.path.basename(rcc_file.fname) + name = f'qt{self.qt_version}-{basename.replace(".", "_")}' + res_target = build.CustomTarget( + name, + state.subdir, + state.subproject, + state.environment, + self.tools['rcc'].get_command() + ['-name', '@BASENAME@', '-o', '@OUTPUT@'] + extra_args + ['@INPUT@'] + DEPFILE_ARGS, + [rcc_file], + [f'{name}.cpp'], + depend_files=qrc_deps, + depfile=f'{name}.d', + ) + targets.append(res_target) + + return targets + + @FeatureNew('qt.compile_ui', '0.59.0') + @noPosargs + @typed_kwargs( + 'qt.compile_ui', + KwargInfo( + 'sources', + ContainerTypeInfo(list, (File, str, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList), allow_empty=False), + listify=True, + required=True, + ), + KwargInfo('extra_args', ContainerTypeInfo(list, str), listify=True, default=[]), + KwargInfo('method', str, default='auto') + ) + def compile_ui(self, state: 'ModuleState', args: T.Tuple, kwargs: 'UICompilerKwArgs') -> ModuleReturnValue: + """Compile UI resources into cpp headers.""" + if any(isinstance(s, (build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)) for s in kwargs['sources']): + FeatureNew.single_use('qt.compile_ui: custom_target or generator for "sources" keyword argument', + '0.60.0', state.subproject, location=state.current_node) + out = self._compile_ui_impl(state, kwargs) + return ModuleReturnValue(out, [out]) + + def _compile_ui_impl(self, state: 'ModuleState', kwargs: 'UICompilerKwArgs') -> build.GeneratedList: + # Avoid the FeatureNew when dispatching from preprocess + self._detect_tools(state, kwargs['method']) + if not self.tools['uic'].found(): + err_msg = ("{0} sources specified and couldn't find {1}, " + "please check your qt{2} installation") + raise MesonException(err_msg.format('UIC', f'uic-qt{self.qt_version}', self.qt_version)) + + # TODO: This generator isn't added to the generator list in the Interpreter + gen = build.Generator( + self.tools['uic'], + kwargs['extra_args'] + ['-o', '@OUTPUT@', '@INPUT@'], + ['ui_@BASENAME@.h'], + name=f'Qt{self.qt_version} ui') + return gen.process_files(kwargs['sources'], state) + + @FeatureNew('qt.compile_moc', '0.59.0') + @noPosargs + @typed_kwargs( + 'qt.compile_moc', + KwargInfo( + 'sources', + ContainerTypeInfo(list, (File, str, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)), + listify=True, + default=[], + ), + KwargInfo( + 'headers', + ContainerTypeInfo(list, (File, str, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)), + listify=True, + default=[] + ), + KwargInfo('extra_args', ContainerTypeInfo(list, str), listify=True, default=[]), + KwargInfo('method', str, default='auto'), + KwargInfo('include_directories', ContainerTypeInfo(list, (build.IncludeDirs, str)), listify=True, default=[]), + KwargInfo('dependencies', ContainerTypeInfo(list, (Dependency, ExternalLibrary)), listify=True, default=[]), + ) + def compile_moc(self, state: 'ModuleState', args: T.Tuple, kwargs: 'MocCompilerKwArgs') -> ModuleReturnValue: + if any(isinstance(s, (build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)) for s in kwargs['headers']): + FeatureNew.single_use('qt.compile_moc: custom_target or generator for "headers" keyword argument', + '0.60.0', state.subproject, location=state.current_node) + if any(isinstance(s, (build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)) for s in kwargs['sources']): + FeatureNew.single_use('qt.compile_moc: custom_target or generator for "sources" keyword argument', + '0.60.0', state.subproject, location=state.current_node) + out = self._compile_moc_impl(state, kwargs) + return ModuleReturnValue(out, [out]) + + def _compile_moc_impl(self, state: 'ModuleState', kwargs: 'MocCompilerKwArgs') -> T.List[build.GeneratedList]: + # Avoid the FeatureNew when dispatching from preprocess + self._detect_tools(state, kwargs['method']) + if not self.tools['moc'].found(): + err_msg = ("{0} sources specified and couldn't find {1}, " + "please check your qt{2} installation") + raise MesonException(err_msg.format('MOC', f'uic-qt{self.qt_version}', self.qt_version)) + + if not (kwargs['headers'] or kwargs['sources']): + raise build.InvalidArguments('At least one of the "headers" or "sources" keyword arguments must be provided and not empty') + + inc = state.get_include_args(include_dirs=kwargs['include_directories']) + compile_args: T.List[str] = [] + for dep in kwargs['dependencies']: + compile_args.extend([a for a in dep.get_all_compile_args() if a.startswith(('-I', '-D'))]) + + output: T.List[build.GeneratedList] = [] + + # depfile arguments (defaults to <output-name>.d) + DEPFILE_ARGS: T.List[str] = ['--output-dep-file'] if self._moc_supports_depfiles else [] + + arguments = kwargs['extra_args'] + DEPFILE_ARGS + inc + compile_args + ['@INPUT@', '-o', '@OUTPUT@'] + if kwargs['headers']: + moc_gen = build.Generator( + self.tools['moc'], arguments, ['moc_@BASENAME@.cpp'], + depfile='moc_@BASENAME@.cpp.d', + name=f'Qt{self.qt_version} moc header') + output.append(moc_gen.process_files(kwargs['headers'], state)) + if kwargs['sources']: + moc_gen = build.Generator( + self.tools['moc'], arguments, ['@BASENAME@.moc'], + depfile='@BASENAME.moc.d@', + name=f'Qt{self.qt_version} moc source') + output.append(moc_gen.process_files(kwargs['sources'], state)) + + return output + + # We can't use typed_pos_args here, the signature is ambiguous + @typed_kwargs( + 'qt.preprocess', + KwargInfo('sources', ContainerTypeInfo(list, (File, str)), listify=True, default=[], deprecated='0.59.0'), + KwargInfo('qresources', ContainerTypeInfo(list, (File, str)), listify=True, default=[]), + KwargInfo('ui_files', ContainerTypeInfo(list, (File, str, build.CustomTarget)), listify=True, default=[]), + KwargInfo('moc_sources', ContainerTypeInfo(list, (File, str, build.CustomTarget)), listify=True, default=[]), + KwargInfo('moc_headers', ContainerTypeInfo(list, (File, str, build.CustomTarget)), listify=True, default=[]), + KwargInfo('moc_extra_arguments', ContainerTypeInfo(list, str), listify=True, default=[], since='0.44.0'), + KwargInfo('rcc_extra_arguments', ContainerTypeInfo(list, str), listify=True, default=[], since='0.49.0'), + KwargInfo('uic_extra_arguments', ContainerTypeInfo(list, str), listify=True, default=[], since='0.49.0'), + KwargInfo('method', str, default='auto'), + KwargInfo('include_directories', ContainerTypeInfo(list, (build.IncludeDirs, str)), listify=True, default=[]), + KwargInfo('dependencies', ContainerTypeInfo(list, (Dependency, ExternalLibrary)), listify=True, default=[]), + ) + def preprocess(self, state: 'ModuleState', args: T.List[T.Union[str, File]], kwargs: 'PreprocessKwArgs') -> ModuleReturnValue: + _sources = args[1:] + if _sources: + FeatureDeprecated.single_use('qt.preprocess positional sources', '0.59', state.subproject, location=state.current_node) + # List is invariant, os we have to cast... + sources = T.cast('T.List[T.Union[str, File, build.GeneratedList, build.CustomTarget]]', + _sources + kwargs['sources']) + for s in sources: + if not isinstance(s, (str, File)): + raise build.InvalidArguments('Variadic arguments to qt.preprocess must be Strings or Files') + method = kwargs['method'] + + if kwargs['qresources']: + # custom output name set? -> one output file, multiple otherwise + rcc_kwargs: 'ResourceCompilerKwArgs' = {'name': '', 'sources': kwargs['qresources'], 'extra_args': kwargs['rcc_extra_arguments'], 'method': method} + if args: + name = args[0] + if not isinstance(name, str): + raise build.InvalidArguments('First argument to qt.preprocess must be a string') + rcc_kwargs['name'] = name + sources.extend(self._compile_resources_impl(state, rcc_kwargs)) + + if kwargs['ui_files']: + ui_kwargs: 'UICompilerKwArgs' = {'sources': kwargs['ui_files'], 'extra_args': kwargs['uic_extra_arguments'], 'method': method} + sources.append(self._compile_ui_impl(state, ui_kwargs)) + + if kwargs['moc_headers'] or kwargs['moc_sources']: + moc_kwargs: 'MocCompilerKwArgs' = { + 'extra_args': kwargs['moc_extra_arguments'], + 'sources': kwargs['moc_sources'], + 'headers': kwargs['moc_headers'], + 'include_directories': kwargs['include_directories'], + 'dependencies': kwargs['dependencies'], + 'method': method, + } + sources.extend(self._compile_moc_impl(state, moc_kwargs)) + + return ModuleReturnValue(sources, [sources]) + + @FeatureNew('qt.compile_translations', '0.44.0') + @noPosargs + @typed_kwargs( + 'qt.compile_translations', + KwargInfo('build_by_default', bool, default=False), + INSTALL_KW, + INSTALL_DIR_KW, + KwargInfo('method', str, default='auto'), + KwargInfo('qresource', (str, NoneType), since='0.56.0'), + KwargInfo('rcc_extra_arguments', ContainerTypeInfo(list, str), listify=True, default=[], since='0.56.0'), + KwargInfo('ts_files', ContainerTypeInfo(list, (str, File, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)), listify=True, default=[]), + ) + def compile_translations(self, state: 'ModuleState', args: T.Tuple, kwargs: 'CompileTranslationsKwArgs') -> ModuleReturnValue: + ts_files = kwargs['ts_files'] + if any(isinstance(s, (build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)) for s in ts_files): + FeatureNew.single_use('qt.compile_translations: custom_target or generator for "ts_files" keyword argument', + '0.60.0', state.subproject, location=state.current_node) + if kwargs['install'] and not kwargs['install_dir']: + raise MesonException('qt.compile_translations: "install_dir" keyword argument must be set when "install" is true.') + qresource = kwargs['qresource'] + if qresource: + if ts_files: + raise MesonException('qt.compile_translations: Cannot specify both ts_files and qresource') + if os.path.dirname(qresource) != '': + raise MesonException('qt.compile_translations: qresource file name must not contain a subdirectory.') + qresource_file = File.from_built_file(state.subdir, qresource) + infile_abs = os.path.join(state.environment.source_dir, qresource_file.relative_name()) + outfile_abs = os.path.join(state.environment.build_dir, qresource_file.relative_name()) + os.makedirs(os.path.dirname(outfile_abs), exist_ok=True) + shutil.copy2(infile_abs, outfile_abs) + self.interpreter.add_build_def_file(infile_abs) + + _, nodes = self._qrc_nodes(state, qresource_file) + for c in nodes: + if c.endswith('.qm'): + ts_files.append(c.rstrip('.qm') + '.ts') + else: + raise MesonException(f'qt.compile_translations: qresource can only contain qm files, found {c}') + results = self.preprocess(state, [], {'qresources': qresource_file, 'rcc_extra_arguments': kwargs['rcc_extra_arguments']}) + self._detect_tools(state, kwargs['method']) + translations: T.List[build.CustomTarget] = [] + for ts in ts_files: + if not self.tools['lrelease'].found(): + raise MesonException('qt.compile_translations: ' + + self.tools['lrelease'].name + ' not found') + if qresource: + # In this case we know that ts_files is always a List[str], as + # it's generated above and no ts_files are passed in. However, + # mypy can't figure that out so we use assert to assure it that + # what we're doing is safe + assert isinstance(ts, str), 'for mypy' + outdir = os.path.dirname(os.path.normpath(os.path.join(state.subdir, ts))) + ts = os.path.basename(ts) + else: + outdir = state.subdir + cmd: T.List[T.Union[ExternalProgram, str]] = [self.tools['lrelease'], '@INPUT@', '-qm', '@OUTPUT@'] + lrelease_target = build.CustomTarget( + f'qt{self.qt_version}-compile-{ts}', + outdir, + state.subproject, + state.environment, + cmd, + [ts], + ['@BASENAME@.qm'], + install=kwargs['install'], + install_dir=[kwargs['install_dir']], + install_tag=['i18n'], + build_by_default=kwargs['build_by_default'], + ) + translations.append(lrelease_target) + if qresource: + return ModuleReturnValue(results.return_value[0], [results.new_objects, translations]) + else: + return ModuleReturnValue(translations, [translations]) |