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Diffstat (limited to 'mesonbuild/modules/qt.py')
| -rw-r--r-- | mesonbuild/modules/qt.py | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/mesonbuild/modules/qt.py b/mesonbuild/modules/qt.py new file mode 100644 index 0000000..39190b1 --- /dev/null +++ b/mesonbuild/modules/qt.py @@ -0,0 +1,163 @@ +# 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 +from ..dependencies import Qt4Dependency, Qt5Dependency +import xml.etree.ElementTree as ET +from . import ModuleReturnValue, get_include_args +from ..interpreterbase import permittedKwargs + +_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 = 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? + if self.moc.found(): + stdout, stderr = Popen_safe(self.moc.get_command() + ['-v'])[1:3] + stdout = stdout.strip() + stderr = stderr.strip() + if 'Qt {}'.format(self.qt_version) in stderr: + moc_ver = stderr + elif ' {}.'.format(self.qt_version) in stdout: + moc_ver = stdout + else: + raise MesonException('Moc preprocessor is not for Qt {version}. Output:\n{stdo}\n{stderr}'.format( + version=self.qt_version, stdo=stdout, stderr=stderr)) + mlog.log(' moc:', mlog.green('YES'), '({path}, {version})'.format( + path=self.moc.get_path(), version=moc_ver.split()[-1])) + else: + mlog.log(' moc:', mlog.red('NO')) + if self.uic.found(): + stdout, stderr = Popen_safe(self.uic.get_command() + ['-v'])[1:3] + stdout = stdout.strip() + stderr = stderr.strip() + if 'version {}.'.format(self.qt_version) in stderr: + uic_ver = stderr + elif ' {}.'.format(self.qt_version) in stdout: + uic_ver = stdout + else: + raise MesonException('Uic compiler is not for Qt {version}. Output:\n{stdo}\n{stderr}'.format( + version=self.qt_version, stdo=stdout, stderr=stderr)) + mlog.log(' uic:', mlog.green('YES'), '(%s, %s)' % + (self.uic.get_path(), uic_ver.split()[-1])) + else: + mlog.log(' uic:', mlog.red('NO')) + if self.rcc.found(): + stdout, stderr = Popen_safe(self.rcc.get_command() + ['-v'])[1:3] + stdout = stdout.strip() + stderr = stderr.strip() + if 'version {}.'.format(self.qt_version) in stderr: + rcc_ver = stderr + elif ' {}.'.format(self.qt_version) in stdout: + rcc_ver = stdout + else: + raise MesonException('Rcc compiler is not for Qt {version}. Output:\n{stdo}\n{stderr}'.format( + version=self.qt_version, stdo=stdout, stderr=stderr)) + mlog.log(' rcc:', mlog.green('YES'), '(%s, %s)' + % (self.rcc.get_path(), rcc_ver.split()[-1])) + else: + mlog.log(' rcc:', mlog.red('NO')) + self.tools_detected = True + + def parse_qrc(self, state, fname): + abspath = os.path.join(state.environment.source_dir, state.subdir, fname) + relative_part = os.path.split(fname)[0] + 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, fname)) + break + else: + result.append(os.path.join(state.subdir, relative_part, child.text)) + return result + except Exception: + return [] + + @permittedKwargs({'moc_headers', 'moc_sources', 'include_directories', 'ui_files', 'qresources', 'method'}) + def preprocess(self, state, args, kwargs): + rcc_files, ui_files, moc_headers, moc_sources, sources, include_directories \ + = extract_as_list(kwargs, 'qresources', 'ui_files', 'moc_headers', 'moc_sources', '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)) + qrc_deps = [] + for i in rcc_files: + qrc_deps += self.parse_qrc(state, i) + if len(args) > 0: + name = args[0] + else: + basename = os.path.split(rcc_files[0])[1] + name = 'qt' + str(self.qt_version) + '-' + basename.replace('.', '_') + rcc_kwargs = {'input': rcc_files, + 'output': name + '.cpp', + 'command': [self.rcc, '-o', '@OUTPUT@', '@INPUT@'], + 'depend_files': qrc_deps} + res_target = build.CustomTarget(name, state.subdir, 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: + moc_kwargs = {'output': 'moc_@BASENAME@.cpp', + 'arguments': inc + ['@INPUT@', '-o', '@OUTPUT@']} + 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: + moc_kwargs = {'output': '@BASENAME@.moc', + 'arguments': ['@INPUT@', '-o', '@OUTPUT@']} + 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) |