| # 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 |
| from ..dependencies import Qt5Dependency |
| from . import ExtensionModule |
| import xml.etree.ElementTree as ET |
| from . import ModuleReturnValue |
| |
| class Qt5Module(ExtensionModule): |
| tools_detected = False |
| |
| def _detect_tools(self, env, method): |
| if self.tools_detected: |
| return |
| mlog.log('Detecting Qt5 tools') |
| # FIXME: We currently require Qt5 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} |
| qt5 = Qt5Dependency(env, kwargs) |
| # Get all tools and then make sure that they are the right version |
| self.moc, self.uic, self.rcc = qt5.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 5' in stderr: |
| moc_ver = stderr |
| elif '5.' in stdout: |
| moc_ver = stdout |
| else: |
| raise MesonException('Moc preprocessor is not for Qt 5. Output:\n%s\n%s' % |
| (stdout, stderr)) |
| mlog.log(' moc:', mlog.green('YES'), '(%s, %s)' % |
| (self.moc.get_path(), 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 5.' in stderr: |
| uic_ver = stderr |
| elif '5.' in stdout: |
| uic_ver = stdout |
| else: |
| raise MesonException('Uic compiler is not for Qt 5. Output:\n%s\n%s' % |
| (stdout, 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 5.' in stderr: |
| rcc_ver = stderr |
| elif '5.' in stdout: |
| rcc_ver = stdout |
| else: |
| raise MesonException('Rcc compiler is not for Qt 5. Output:\n%s\n%s' % |
| (stdout, 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 [] |
| |
| def preprocess(self, state, args, kwargs): |
| rcc_files = kwargs.pop('qresources', []) |
| if not isinstance(rcc_files, list): |
| rcc_files = [rcc_files] |
| ui_files = kwargs.pop('ui_files', []) |
| if not isinstance(ui_files, list): |
| ui_files = [ui_files] |
| moc_headers = kwargs.pop('moc_headers', []) |
| if not isinstance(moc_headers, list): |
| moc_headers = [moc_headers] |
| moc_sources = kwargs.pop('moc_sources', []) |
| if not isinstance(moc_sources, list): |
| moc_sources = [moc_sources] |
| sources = kwargs.pop('sources', []) |
| if not isinstance(sources, list): |
| sources = [sources] |
| 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 qt5 installation" |
| if len(moc_headers) + len(moc_sources) > 0 and not self.moc.found(): |
| raise MesonException(err_msg.format('MOC', 'moc-qt5')) |
| if len(rcc_files) > 0: |
| if not self.rcc.found(): |
| raise MesonException(err_msg.format('RCC', 'rcc-qt5')) |
| 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 = 'qt5-' + 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-qt5')) |
| ui_kwargs = {'output': 'ui_@BASENAME@.h', |
| 'arguments': ['-o', '@OUTPUT@', '@INPUT@']} |
| ui_gen = build.Generator([self.uic], ui_kwargs) |
| ui_output = ui_gen.process_files('Qt5 ui', ui_files, state) |
| sources.append(ui_output) |
| if len(moc_headers) > 0: |
| moc_kwargs = {'output': 'moc_@BASENAME@.cpp', |
| 'arguments': ['@INPUT@', '-o', '@OUTPUT@']} |
| moc_gen = build.Generator([self.moc], moc_kwargs) |
| moc_output = moc_gen.process_files('Qt5 moc header', 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('Qt5 moc source', moc_sources, state) |
| sources.append(moc_output) |
| return ModuleReturnValue(sources, sources) |
| |
| def initialize(): |
| mlog.warning('rcc dependencies will not work reliably until this upstream issue is fixed:', |
| mlog.bold('https://bugreports.qt.io/browse/QTBUG-45460')) |
| return Qt5Module() |
