# Copyright 2016 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. from __future__ import annotations from os import path import shlex import typing as T from . import ExtensionModule, ModuleReturnValue, ModuleInfo from .. import build from .. import mesonlib from .. import mlog from ..interpreter.type_checking import CT_BUILD_BY_DEFAULT, CT_INPUT_KW, INSTALL_TAG_KW, OUTPUT_KW, INSTALL_DIR_KW, INSTALL_KW, NoneType, in_set_validator from ..interpreterbase import FeatureNew from ..interpreterbase.decorators import ContainerTypeInfo, KwargInfo, noPosargs, typed_kwargs, typed_pos_args from ..programs import ExternalProgram from ..scripts.gettext import read_linguas if T.TYPE_CHECKING: from typing_extensions import Literal, TypedDict from . import ModuleState from ..build import Target from ..interpreter import Interpreter from ..interpreterbase import TYPE_var class MergeFile(TypedDict): input: T.List[T.Union[ str, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, build.ExtractedObjects, build.GeneratedList, ExternalProgram, mesonlib.File]] output: str build_by_default: bool install: bool install_dir: T.Optional[str] install_tag: T.Optional[str] args: T.List[str] data_dirs: T.List[str] po_dir: str type: Literal['xml', 'desktop'] class Gettext(TypedDict): args: T.List[str] data_dirs: T.List[str] install: bool install_dir: T.Optional[str] languages: T.List[str] preset: T.Optional[str] class ItsJoinFile(TypedDict): input: T.List[T.Union[ str, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, build.ExtractedObjects, build.GeneratedList, ExternalProgram, mesonlib.File]] output: str build_by_default: bool install: bool install_dir: T.Optional[str] install_tag: T.Optional[str] its_files: T.List[str] mo_targets: T.List[T.Union[build.BuildTarget, build.CustomTarget, build.CustomTargetIndex]] _ARGS: KwargInfo[T.List[str]] = KwargInfo( 'args', ContainerTypeInfo(list, str), default=[], listify=True, ) _DATA_DIRS: KwargInfo[T.List[str]] = KwargInfo( 'data_dirs', ContainerTypeInfo(list, str), default=[], listify=True ) PRESET_ARGS = { 'glib': [ '--from-code=UTF-8', '--add-comments', # https://developer.gnome.org/glib/stable/glib-I18N.html '--keyword=_', '--keyword=N_', '--keyword=C_:1c,2', '--keyword=NC_:1c,2', '--keyword=g_dcgettext:2', '--keyword=g_dngettext:2,3', '--keyword=g_dpgettext2:2c,3', '--flag=N_:1:pass-c-format', '--flag=C_:2:pass-c-format', '--flag=NC_:2:pass-c-format', '--flag=g_dngettext:2:pass-c-format', '--flag=g_strdup_printf:1:c-format', '--flag=g_string_printf:2:c-format', '--flag=g_string_append_printf:2:c-format', '--flag=g_error_new:3:c-format', '--flag=g_set_error:4:c-format', '--flag=g_markup_printf_escaped:1:c-format', '--flag=g_log:3:c-format', '--flag=g_print:1:c-format', '--flag=g_printerr:1:c-format', '--flag=g_printf:1:c-format', '--flag=g_fprintf:2:c-format', '--flag=g_sprintf:2:c-format', '--flag=g_snprintf:3:c-format', ] } class I18nModule(ExtensionModule): INFO = ModuleInfo('i18n') def __init__(self, interpreter: 'Interpreter'): super().__init__(interpreter) self.methods.update({ 'merge_file': self.merge_file, 'gettext': self.gettext, 'itstool_join': self.itstool_join, }) self.tools: T.Dict[str, T.Optional[T.Union[ExternalProgram, build.Executable]]] = { 'itstool': None, 'msgfmt': None, 'msginit': None, 'msgmerge': None, 'xgettext': None, } @staticmethod def _get_data_dirs(state: 'ModuleState', dirs: T.Iterable[str]) -> T.List[str]: """Returns source directories of relative paths""" src_dir = path.join(state.environment.get_source_dir(), state.subdir) return [path.join(src_dir, d) for d in dirs] @FeatureNew('i18n.merge_file', '0.37.0') @noPosargs @typed_kwargs( 'i18n.merge_file', CT_BUILD_BY_DEFAULT, CT_INPUT_KW, KwargInfo('install_dir', (str, NoneType)), INSTALL_TAG_KW, OUTPUT_KW, INSTALL_KW, _ARGS.evolve(since='0.51.0'), _DATA_DIRS.evolve(since='0.41.0'), KwargInfo('po_dir', str, required=True), KwargInfo('type', str, default='xml', validator=in_set_validator({'xml', 'desktop'})), ) def merge_file(self, state: 'ModuleState', args: T.List['TYPE_var'], kwargs: 'MergeFile') -> ModuleReturnValue: if self.tools['msgfmt'] is None or not self.tools['msgfmt'].found(): self.tools['msgfmt'] = state.find_program('msgfmt', for_machine=mesonlib.MachineChoice.BUILD) if isinstance(self.tools['msgfmt'], ExternalProgram): try: have_version = self.tools['msgfmt'].get_version() except mesonlib.MesonException as e: raise mesonlib.MesonException('i18n.merge_file requires GNU msgfmt') from e want_version = '>=0.19' if kwargs['type'] == 'desktop' else '>=0.19.7' if not mesonlib.version_compare(have_version, want_version): msg = f'i18n.merge_file requires GNU msgfmt {want_version} to produce files of type: ' + kwargs['type'] + f' (got: {have_version})' raise mesonlib.MesonException(msg) podir = path.join(state.build_to_src, state.subdir, kwargs['po_dir']) ddirs = self._get_data_dirs(state, kwargs['data_dirs']) datadirs = '--datadirs=' + ':'.join(ddirs) if ddirs else None command: T.List[T.Union[str, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, 'ExternalProgram', mesonlib.File]] = [] command.extend(state.environment.get_build_command()) command.extend([ '--internal', 'msgfmthelper', '--msgfmt=' + self.tools['msgfmt'].get_path(), ]) if datadirs: command.append(datadirs) command.extend(['@INPUT@', '@OUTPUT@', kwargs['type'], podir]) if kwargs['args']: command.append('--') command.extend(kwargs['args']) build_by_default = kwargs['build_by_default'] if build_by_default is None: build_by_default = kwargs['install'] install_tag = [kwargs['install_tag']] if kwargs['install_tag'] is not None else None ct = build.CustomTarget( '', state.subdir, state.subproject, state.environment, command, kwargs['input'], [kwargs['output']], build_by_default=build_by_default, install=kwargs['install'], install_dir=[kwargs['install_dir']] if kwargs['install_dir'] is not None else None, install_tag=install_tag, description='Merging translations for {}', ) return ModuleReturnValue(ct, [ct]) @typed_pos_args('i18n.gettext', str) @typed_kwargs( 'i18n.gettext', _ARGS, _DATA_DIRS.evolve(since='0.36.0'), INSTALL_KW.evolve(default=True), INSTALL_DIR_KW.evolve(since='0.50.0'), KwargInfo('languages', ContainerTypeInfo(list, str), default=[], listify=True), KwargInfo( 'preset', (str, NoneType), validator=in_set_validator(set(PRESET_ARGS)), since='0.37.0', ), ) def gettext(self, state: 'ModuleState', args: T.Tuple[str], kwargs: 'Gettext') -> ModuleReturnValue: for tool, strict in [('msgfmt', True), ('msginit', False), ('msgmerge', False), ('xgettext', False)]: if self.tools[tool] is None: self.tools[tool] = state.find_program(tool, required=False, for_machine=mesonlib.MachineChoice.BUILD) # still not found? if not self.tools[tool].found(): if strict: mlog.warning('Gettext not found, all translation (po) targets will be ignored.', once=True, location=state.current_node) return ModuleReturnValue(None, []) else: mlog.warning(f'{tool!r} not found, maintainer targets will not work', once=True, fatal=False, location=state.current_node) packagename = args[0] pkg_arg = f'--pkgname={packagename}' languages = kwargs['languages'] lang_arg = '--langs=' + '@@'.join(languages) if languages else None _datadirs = ':'.join(self._get_data_dirs(state, kwargs['data_dirs'])) datadirs = f'--datadirs={_datadirs}' if _datadirs else None extra_args = kwargs['args'] targets: T.List['Target'] = [] gmotargets: T.List['build.CustomTarget'] = [] preset = kwargs['preset'] if preset: preset_args = PRESET_ARGS[preset] extra_args = list(mesonlib.OrderedSet(preset_args + extra_args)) extra_arg = '--extra-args=' + '@@'.join(extra_args) if extra_args else None source_root = path.join(state.source_root, state.root_subdir) subdir = path.relpath(state.subdir, start=state.root_subdir) if state.subdir else None potargs = state.environment.get_build_command() + ['--internal', 'gettext', 'pot', pkg_arg] potargs.append(f'--source-root={source_root}') if subdir: potargs.append(f'--subdir={subdir}') if datadirs: potargs.append(datadirs) if extra_arg: potargs.append(extra_arg) if self.tools['xgettext'].found(): potargs.append('--xgettext=' + self.tools['xgettext'].get_path()) pottarget = build.RunTarget(packagename + '-pot', potargs, [], state.subdir, state.subproject, state.environment, default_env=False) targets.append(pottarget) install = kwargs['install'] install_dir = kwargs['install_dir'] or state.environment.coredata.get_option(mesonlib.OptionKey('localedir')) assert isinstance(install_dir, str), 'for mypy' if not languages: languages = read_linguas(path.join(state.environment.source_dir, state.subdir)) for l in languages: po_file = mesonlib.File.from_source_file(state.environment.source_dir, state.subdir, l+'.po') gmotarget = build.CustomTarget( f'{packagename}-{l}.mo', path.join(state.subdir, l, 'LC_MESSAGES'), state.subproject, state.environment, [self.tools['msgfmt'], '-o', '@OUTPUT@', '@INPUT@'], [po_file], [f'{packagename}.mo'], install=install, # We have multiple files all installed as packagename+'.mo' in different install subdirs. # What we really wanted to do, probably, is have a rename: kwarg, but that's not available # to custom_targets. Crude hack: set the build target's subdir manually. # Bonus: the build tree has something usable as an uninstalled bindtextdomain() target dir. install_dir=[path.join(install_dir, l, 'LC_MESSAGES')], install_tag=['i18n'], description='Building translation {}', ) targets.append(gmotarget) gmotargets.append(gmotarget) allgmotarget = build.AliasTarget(packagename + '-gmo', gmotargets, state.subdir, state.subproject, state.environment) targets.append(allgmotarget) updatepoargs = state.environment.get_build_command() + ['--internal', 'gettext', 'update_po', pkg_arg] updatepoargs.append(f'--source-root={source_root}') if subdir: updatepoargs.append(f'--subdir={subdir}') if lang_arg: updatepoargs.append(lang_arg) if datadirs: updatepoargs.append(datadirs) if extra_arg: updatepoargs.append(extra_arg) for tool in ['msginit', 'msgmerge']: if self.tools[tool].found(): updatepoargs.append(f'--{tool}=' + self.tools[tool].get_path()) updatepotarget = build.RunTarget(packagename + '-update-po', updatepoargs, [], state.subdir, state.subproject, state.environment, default_env=False) targets.append(updatepotarget) return ModuleReturnValue([gmotargets, pottarget, updatepotarget], targets) @FeatureNew('i18n.itstool_join', '0.62.0') @noPosargs @typed_kwargs( 'i18n.itstool_join', CT_BUILD_BY_DEFAULT, CT_INPUT_KW, KwargInfo('install_dir', (str, NoneType)), INSTALL_TAG_KW, OUTPUT_KW, INSTALL_KW, _ARGS.evolve(), KwargInfo('its_files', ContainerTypeInfo(list, str)), KwargInfo('mo_targets', ContainerTypeInfo(list, build.CustomTarget), required=True), ) def itstool_join(self, state: 'ModuleState', args: T.List['TYPE_var'], kwargs: 'ItsJoinFile') -> ModuleReturnValue: if self.tools['itstool'] is None: self.tools['itstool'] = state.find_program('itstool', for_machine=mesonlib.MachineChoice.BUILD) mo_targets = kwargs['mo_targets'] its_files = kwargs.get('its_files', []) mo_fnames = [] for target in mo_targets: mo_fnames.append(path.join(target.get_subdir(), target.get_outputs()[0])) command: T.List[T.Union[str, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, 'ExternalProgram', mesonlib.File]] = [] command.extend(state.environment.get_build_command()) itstool_cmd = self.tools['itstool'].get_command() # TODO: python 3.8 can use shlex.join() command.extend([ '--internal', 'itstool', 'join', '-i', '@INPUT@', '-o', '@OUTPUT@', '--itstool=' + ' '.join(shlex.quote(c) for c in itstool_cmd), ]) if its_files: for fname in its_files: if not path.isabs(fname): fname = path.join(state.environment.source_dir, state.subdir, fname) command.extend(['--its', fname]) command.extend(mo_fnames) build_by_default = kwargs['build_by_default'] if build_by_default is None: build_by_default = kwargs['install'] install_tag = [kwargs['install_tag']] if kwargs['install_tag'] is not None else None ct = build.CustomTarget( '', state.subdir, state.subproject, state.environment, command, kwargs['input'], [kwargs['output']], build_by_default=build_by_default, extra_depends=mo_targets, install=kwargs['install'], install_dir=[kwargs['install_dir']] if kwargs['install_dir'] is not None else None, install_tag=install_tag, description='Merging translations for {}', ) return ModuleReturnValue(ct, [ct]) def initialize(interp: 'Interpreter') -> I18nModule: return I18nModule(interp)