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202 lines
8.9 KiB
202 lines
8.9 KiB
# Copyright 2016 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 shutil |
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from os import path |
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from .. import coredata, mesonlib, build, mlog |
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from ..mesonlib import MesonException |
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from ..scripts.gettext import read_linguas |
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from . import ModuleReturnValue |
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from . import ExtensionModule |
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from ..interpreterbase import permittedKwargs, FeatureNew, FeatureNewKwargs |
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PRESET_ARGS = { |
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'glib': [ |
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'--from-code=UTF-8', |
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'--add-comments', |
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# https://developer.gnome.org/glib/stable/glib-I18N.html |
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'--keyword=_', |
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'--keyword=N_', |
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'--keyword=C_:1c,2', |
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'--keyword=NC_:1c,2', |
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'--keyword=g_dcgettext:2', |
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'--keyword=g_dngettext:2,3', |
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'--keyword=g_dpgettext2:2c,3', |
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'--flag=N_:1:pass-c-format', |
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'--flag=C_:2:pass-c-format', |
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'--flag=NC_:2:pass-c-format', |
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'--flag=g_dngettext:2:pass-c-format', |
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'--flag=g_strdup_printf:1:c-format', |
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'--flag=g_string_printf:2:c-format', |
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'--flag=g_string_append_printf:2:c-format', |
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'--flag=g_error_new:3:c-format', |
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'--flag=g_set_error:4:c-format', |
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'--flag=g_markup_printf_escaped:1:c-format', |
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'--flag=g_log:3:c-format', |
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'--flag=g_print:1:c-format', |
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'--flag=g_printerr:1:c-format', |
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'--flag=g_printf:1:c-format', |
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'--flag=g_fprintf:2:c-format', |
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'--flag=g_sprintf:2:c-format', |
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'--flag=g_snprintf:3:c-format', |
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] |
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} |
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class I18nModule(ExtensionModule): |
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def __init__(self, interpreter): |
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super().__init__(interpreter) |
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self.methods.update({ |
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'merge_file': self.merge_file, |
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'gettext': self.gettext, |
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}) |
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@staticmethod |
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def nogettext_warning(): |
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mlog.warning('Gettext not found, all translation targets will be ignored.', once=True) |
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@staticmethod |
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def _get_data_dirs(state, dirs): |
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"""Returns source directories of relative paths""" |
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src_dir = path.join(state.environment.get_source_dir(), state.subdir) |
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return [path.join(src_dir, d) for d in dirs] |
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@FeatureNew('i18n.merge_file', '0.37.0') |
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@FeatureNewKwargs('i18n.merge_file', '0.51.0', ['args']) |
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@permittedKwargs(build.CustomTarget.known_kwargs | {'data_dirs', 'po_dir', 'type', 'args'}) |
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def merge_file(self, state, args, kwargs): |
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if not shutil.which('xgettext'): |
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self.nogettext_warning() |
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return |
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podir = kwargs.pop('po_dir', None) |
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if not podir: |
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raise MesonException('i18n: po_dir is a required kwarg') |
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podir = path.join(state.build_to_src, state.subdir, podir) |
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file_type = kwargs.pop('type', 'xml') |
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VALID_TYPES = ('xml', 'desktop') |
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if file_type not in VALID_TYPES: |
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raise MesonException(f'i18n: "{file_type}" is not a valid type {VALID_TYPES}') |
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datadirs = self._get_data_dirs(state, mesonlib.stringlistify(kwargs.pop('data_dirs', []))) |
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datadirs = '--datadirs=' + ':'.join(datadirs) if datadirs else None |
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command = state.environment.get_build_command() + [ |
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'--internal', 'msgfmthelper', |
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'@INPUT@', '@OUTPUT@', file_type, podir |
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] |
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if datadirs: |
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command.append(datadirs) |
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if 'args' in kwargs: |
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command.append('--') |
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command.append(mesonlib.stringlistify(kwargs.pop('args', []))) |
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kwargs['command'] = command |
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# We only use this input file to create a name of the custom target. |
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# Thus we can ignore the other entries. |
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inputfile = mesonlib.extract_as_list(kwargs, 'input')[0] |
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if isinstance(inputfile, str): |
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inputfile = mesonlib.File.from_source_file(state.environment.source_dir, |
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state.subdir, inputfile) |
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if isinstance(inputfile, mesonlib.File): |
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# output could be '@BASENAME@' in which case we need to do substitutions |
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# to get a unique target name. |
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output = kwargs['output'] |
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ifile_abs = inputfile.absolute_path(state.environment.source_dir, |
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state.environment.build_dir) |
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values = mesonlib.get_filenames_templates_dict([ifile_abs], None) |
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outputs = mesonlib.substitute_values([output], values) |
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output = outputs[0] |
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ct = build.CustomTarget(output + '_' + state.subdir.replace('/', '@').replace('\\', '@') + '_merge', state.subdir, state.subproject, kwargs) |
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else: |
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ct = build.CustomTarget(kwargs['output'] + '_merge', state.subdir, state.subproject, kwargs) |
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return ModuleReturnValue(ct, [ct]) |
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@FeatureNewKwargs('i18n.gettext', '0.37.0', ['preset']) |
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@FeatureNewKwargs('i18n.gettext', '0.50.0', ['install_dir']) |
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@permittedKwargs({'po_dir', 'data_dirs', 'type', 'languages', 'args', 'preset', 'install', 'install_dir'}) |
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def gettext(self, state, args, kwargs): |
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if len(args) != 1: |
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raise coredata.MesonException('Gettext requires one positional argument (package name).') |
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if not shutil.which('xgettext'): |
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self.nogettext_warning() |
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return |
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packagename = args[0] |
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languages = mesonlib.stringlistify(kwargs.get('languages', [])) |
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datadirs = self._get_data_dirs(state, mesonlib.stringlistify(kwargs.get('data_dirs', []))) |
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extra_args = mesonlib.stringlistify(kwargs.get('args', [])) |
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targets = [] |
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preset = kwargs.pop('preset', None) |
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if preset: |
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preset_args = PRESET_ARGS.get(preset) |
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if not preset_args: |
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raise coredata.MesonException('i18n: Preset "{}" is not one of the valid options: {}'.format( |
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preset, list(PRESET_ARGS.keys()))) |
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extra_args = set(preset_args + extra_args) |
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pkg_arg = '--pkgname=' + packagename |
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lang_arg = '--langs=' + '@@'.join(languages) if languages else None |
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datadirs = '--datadirs=' + ':'.join(datadirs) if datadirs else None |
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extra_args = '--extra-args=' + '@@'.join(extra_args) if extra_args else None |
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potargs = state.environment.get_build_command() + ['--internal', 'gettext', 'pot', pkg_arg] |
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if datadirs: |
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potargs.append(datadirs) |
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if extra_args: |
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potargs.append(extra_args) |
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pottarget = build.RunTarget(packagename + '-pot', potargs, [], state.subdir, state.subproject) |
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targets.append(pottarget) |
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install = kwargs.get('install', True) |
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install_dir = kwargs.get('install_dir', state.environment.coredata.get_option(mesonlib.OptionKey('localedir'))) |
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if not languages: |
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languages = read_linguas(path.join(state.environment.source_dir, state.subdir)) |
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for l in languages: |
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po_file = mesonlib.File.from_source_file(state.environment.source_dir, |
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state.subdir, l+'.po') |
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gmo_kwargs = {'command': ['msgfmt', '@INPUT@', '-o', '@OUTPUT@'], |
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'input': po_file, |
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'output': packagename+'.mo', |
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'install': install, |
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# We have multiple files all installed as packagename+'.mo' in different install subdirs. |
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# What we really wanted to do, probably, is have a rename: kwarg, but that's not available |
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# to custom_targets. Crude hack: set the build target's subdir manually. |
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# Bonus: the build tree has something usable as an uninstalled bindtextdomain() target dir. |
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'install_dir': path.join(install_dir, l, 'LC_MESSAGES'), |
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'install_tag': 'i18n', |
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} |
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gmotarget = build.CustomTarget(l+'.mo', path.join(state.subdir, l, 'LC_MESSAGES'), state.subproject, gmo_kwargs) |
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targets.append(gmotarget) |
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updatepoargs = state.environment.get_build_command() + ['--internal', 'gettext', 'update_po', pkg_arg] |
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if lang_arg: |
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updatepoargs.append(lang_arg) |
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if datadirs: |
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updatepoargs.append(datadirs) |
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if extra_args: |
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updatepoargs.append(extra_args) |
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updatepotarget = build.RunTarget(packagename + '-update-po', updatepoargs, [], state.subdir, state.subproject) |
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targets.append(updatepotarget) |
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return ModuleReturnValue(None, targets) |
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def initialize(*args, **kwargs): |
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return I18nModule(*args, **kwargs)
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