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