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- # Copyright 2015 The Meson development team
- # 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.
- import os
- from .. import mlog
- from .. import build
- from ..mesonlib import MesonException, Popen_safe, extract_as_list, File
- from ..dependencies import Qt4Dependency, Qt5Dependency
- import xml.etree.ElementTree as ET
- from . import ModuleReturnValue, get_include_args
- from ..interpreterbase import permittedKwargs, FeatureNewKwargs
- _QT_DEPS_LUT = {
- 4: Qt4Dependency,
- 5: Qt5Dependency
- }
- class QtBaseModule:
- tools_detected = False
- def __init__(self, qt_version=5):
- self.qt_version = qt_version
- def _detect_tools(self, env, method):
- if self.tools_detected:
- return
- mlog.log('Detecting Qt{version} tools'.format(version=self.qt_version))
- # FIXME: We currently require QtX to exist while importing the module.
- # We should make it gracefully degrade and not create any targets if
- # the import is marked as 'optional' (not implemented yet)
- kwargs = {'required': 'true', 'modules': 'Core', 'silent': 'true', 'method': method}
- qt = _QT_DEPS_LUT[self.qt_version](env, kwargs)
- # Get all tools and then make sure that they are the right version
- self.moc, self.uic, self.rcc, self.lrelease = qt.compilers_detect()
- # Moc, uic and rcc write their version strings to stderr.
- # Moc and rcc return a non-zero result when doing so.
- # What kind of an idiot thought that was a good idea?
- for compiler, compiler_name in ((self.moc, "Moc"), (self.uic, "Uic"), (self.rcc, "Rcc"), (self.lrelease, "lrelease")):
- if compiler.found():
- # Workaround since there is no easy way to know which tool/version support which flag
- for flag in ['-v', '-version']:
- p, stdout, stderr = Popen_safe(compiler.get_command() + [flag])[0:3]
- if p.returncode == 0:
- break
- stdout = stdout.strip()
- stderr = stderr.strip()
- if 'Qt {}'.format(self.qt_version) in stderr:
- compiler_ver = stderr
- elif 'version {}.'.format(self.qt_version) in stderr:
- compiler_ver = stderr
- elif ' {}.'.format(self.qt_version) in stdout:
- compiler_ver = stdout
- else:
- raise MesonException('{name} preprocessor is not for Qt {version}. Output:\n{stdo}\n{stderr}'.format(
- name=compiler_name, version=self.qt_version, stdo=stdout, stderr=stderr))
- mlog.log(' {}:'.format(compiler_name.lower()), mlog.green('YES'), '({path}, {version})'.format(
- path=compiler.get_path(), version=compiler_ver.split()[-1]))
- else:
- mlog.log(' {}:'.format(compiler_name.lower()), mlog.red('NO'))
- self.tools_detected = True
- def parse_qrc(self, state, rcc_file):
- if type(rcc_file) is str:
- abspath = os.path.join(state.environment.source_dir, state.subdir, rcc_file)
- rcc_dirname = os.path.dirname(abspath)
- elif type(rcc_file) is File:
- abspath = rcc_file.absolute_path(state.environment.source_dir, state.environment.build_dir)
- rcc_dirname = os.path.dirname(abspath)
- try:
- tree = ET.parse(abspath)
- root = tree.getroot()
- result = []
- for child in root[0]:
- if child.tag != 'file':
- mlog.warning("malformed rcc file: ", os.path.join(state.subdir, rcc_file))
- break
- else:
- resource_path = child.text
- # 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
- except Exception:
- return []
- @FeatureNewKwargs('qt.preprocess', '0.44.0', ['moc_extra_arguments'])
- @permittedKwargs({'moc_headers', 'moc_sources', 'moc_extra_arguments', 'include_directories', 'ui_files', 'qresources', 'method'})
- def preprocess(self, state, args, kwargs):
- rcc_files, ui_files, moc_headers, moc_sources, moc_extra_arguments, sources, include_directories \
- = extract_as_list(kwargs, 'qresources', 'ui_files', 'moc_headers', 'moc_sources', 'moc_extra_arguments', 'sources', 'include_directories', pop = True)
- sources += args[1:]
- method = kwargs.get('method', 'auto')
- self._detect_tools(state.environment, method)
- err_msg = "{0} sources specified and couldn't find {1}, " \
- "please check your qt{2} installation"
- if len(moc_headers) + len(moc_sources) > 0 and not self.moc.found():
- raise MesonException(err_msg.format('MOC', 'moc-qt{}'.format(self.qt_version), self.qt_version))
- if len(rcc_files) > 0:
- if not self.rcc.found():
- raise MesonException(err_msg.format('RCC', 'rcc-qt{}'.format(self.qt_version), self.qt_version))
- # custom output name set? -> one output file, multiple otherwise
- if len(args) > 0:
- qrc_deps = []
- for i in rcc_files:
- qrc_deps += self.parse_qrc(state, i)
- name = args[0]
- rcc_kwargs = {'input': rcc_files,
- 'output': name + '.cpp',
- 'command': [self.rcc, '-name', name, '-o', '@OUTPUT@', '@INPUT@'],
- 'depend_files': qrc_deps}
- res_target = build.CustomTarget(name, state.subdir, state.subproject, rcc_kwargs)
- sources.append(res_target)
- else:
- for rcc_file in rcc_files:
- qrc_deps = self.parse_qrc(state, rcc_file)
- if type(rcc_file) is str:
- basename = os.path.basename(rcc_file)
- elif type(rcc_file) is File:
- basename = os.path.basename(rcc_file.fname)
- name = 'qt' + str(self.qt_version) + '-' + basename.replace('.', '_')
- rcc_kwargs = {'input': rcc_file,
- 'output': name + '.cpp',
- 'command': [self.rcc, '-name', '@BASENAME@', '-o', '@OUTPUT@', '@INPUT@'],
- 'depend_files': qrc_deps}
- res_target = build.CustomTarget(name, state.subdir, state.subproject, rcc_kwargs)
- sources.append(res_target)
- if len(ui_files) > 0:
- if not self.uic.found():
- raise MesonException(err_msg.format('UIC', 'uic-qt' + self.qt_version))
- ui_kwargs = {'output': 'ui_@BASENAME@.h',
- 'arguments': ['-o', '@OUTPUT@', '@INPUT@']}
- ui_gen = build.Generator([self.uic], ui_kwargs)
- ui_output = ui_gen.process_files('Qt{} ui'.format(self.qt_version), ui_files, state)
- sources.append(ui_output)
- inc = get_include_args(include_dirs=include_directories)
- if len(moc_headers) > 0:
- arguments = moc_extra_arguments + inc + ['@INPUT@', '-o', '@OUTPUT@']
- moc_kwargs = {'output': 'moc_@BASENAME@.cpp',
- 'arguments': arguments}
- moc_gen = build.Generator([self.moc], moc_kwargs)
- moc_output = moc_gen.process_files('Qt{} moc header'.format(self.qt_version), moc_headers, state)
- sources.append(moc_output)
- if len(moc_sources) > 0:
- arguments = moc_extra_arguments + inc + ['@INPUT@', '-o', '@OUTPUT@']
- moc_kwargs = {'output': '@BASENAME@.moc',
- 'arguments': arguments}
- moc_gen = build.Generator([self.moc], moc_kwargs)
- moc_output = moc_gen.process_files('Qt{} moc source'.format(self.qt_version), moc_sources, state)
- sources.append(moc_output)
- return ModuleReturnValue(sources, sources)
- @FeatureNewKwargs('build target', '0.40.0', ['build_by_default'])
- @permittedKwargs({'ts_files', 'install', 'install_dir', 'build_by_default', 'method'})
- def compile_translations(self, state, args, kwargs):
- ts_files, install_dir = extract_as_list(kwargs, 'ts_files', 'install_dir', pop=True)
- self._detect_tools(state.environment, kwargs.get('method', 'auto'))
- translations = []
- for ts in ts_files:
- cmd = [self.lrelease, '@INPUT@', '-qm', '@OUTPUT@']
- lrelease_kwargs = {'output': '@BASENAME@.qm',
- 'input': ts,
- 'install': kwargs.get('install', False),
- 'build_by_default': kwargs.get('build_by_default', False),
- 'command': cmd}
- if install_dir is not None:
- lrelease_kwargs['install_dir'] = install_dir
- lrelease_target = build.CustomTarget('qt{}-compile-{}'.format(self.qt_version, ts), state.subdir, state.subproject, lrelease_kwargs)
- translations.append(lrelease_target)
- return ModuleReturnValue(translations, translations)
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