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# 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.
import shutil
from os import path
from .. import coredata, mesonlib, build, mlog
from ..mesonlib import MesonException
from . import ModuleReturnValue
from . import ExtensionModule
from ..interpreterbase import permittedKwargs, FeatureNew, FeatureNewKwargs
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):
@staticmethod
def nogettext_warning():
mlog.warning('Gettext not found, all translation targets will be ignored.', once=True)
return ModuleReturnValue(None, [])
@staticmethod
def _get_data_dirs(state, dirs):
"""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')
@FeatureNewKwargs('i18n.merge_file', '0.51.0', ['args'])
@permittedKwargs(build.CustomTarget.known_kwargs | {'data_dirs', 'po_dir', 'type', 'args'})
def merge_file(self, state, args, kwargs):
if not shutil.which('xgettext'):
return self.nogettext_warning()
podir = kwargs.pop('po_dir', None)
if not podir:
raise MesonException('i18n: po_dir is a required kwarg')
podir = path.join(state.build_to_src, state.subdir, podir)
file_type = kwargs.pop('type', 'xml')
VALID_TYPES = ('xml', 'desktop')
if file_type not in VALID_TYPES:
raise MesonException(f'i18n: "{file_type}" is not a valid type {VALID_TYPES}')
datadirs = self._get_data_dirs(state, mesonlib.stringlistify(kwargs.pop('data_dirs', [])))
datadirs = '--datadirs=' + ':'.join(datadirs) if datadirs else None
command = state.environment.get_build_command() + [
'--internal', 'msgfmthelper',
'@INPUT@', '@OUTPUT@', file_type, podir
]
if datadirs:
command.append(datadirs)
if 'args' in kwargs:
command.append('--')
command.append(mesonlib.stringlistify(kwargs.pop('args', [])))
kwargs['command'] = command
inputfile = kwargs['input']
if hasattr(inputfile, 'held_object'):
ct = build.CustomTarget(kwargs['output'] + '_merge', state.subdir, state.subproject, kwargs)
else:
if isinstance(inputfile, list):
# We only use this input file to create a name of the custom target.
# Thus we can ignore the other entries.
inputfile = inputfile[0]
if isinstance(inputfile, str):
inputfile = mesonlib.File.from_source_file(state.environment.source_dir,
state.subdir, inputfile)
output = kwargs['output']
ifile_abs = inputfile.absolute_path(state.environment.source_dir,
state.environment.build_dir)
values = mesonlib.get_filenames_templates_dict([ifile_abs], None)
outputs = mesonlib.substitute_values([output], values)
output = outputs[0]
ct = build.CustomTarget(output + '_' + state.subdir.replace('/', '@').replace('\\', '@') + '_merge', state.subdir, state.subproject, kwargs)
return ModuleReturnValue(ct, [ct])
@FeatureNewKwargs('i18n.gettext', '0.37.0', ['preset'])
@FeatureNewKwargs('i18n.gettext', '0.50.0', ['install_dir'])
@permittedKwargs({'po_dir', 'data_dirs', 'type', 'languages', 'args', 'preset', 'install', 'install_dir'})
def gettext(self, state, args, kwargs):
if len(args) != 1:
raise coredata.MesonException('Gettext requires one positional argument (package name).')
if not shutil.which('xgettext'):
return self.nogettext_warning()
packagename = args[0]
languages = mesonlib.stringlistify(kwargs.get('languages', []))
datadirs = self._get_data_dirs(state, mesonlib.stringlistify(kwargs.get('data_dirs', [])))
extra_args = mesonlib.stringlistify(kwargs.get('args', []))
preset = kwargs.pop('preset', None)
if preset:
preset_args = PRESET_ARGS.get(preset)
if not preset_args:
raise coredata.MesonException('i18n: Preset "{}" is not one of the valid options: {}'.format(
preset, list(PRESET_ARGS.keys())))
extra_args = set(preset_args + extra_args)
pkg_arg = '--pkgname=' + packagename
lang_arg = '--langs=' + '@@'.join(languages) if languages else None
datadirs = '--datadirs=' + ':'.join(datadirs) if datadirs else None
extra_args = '--extra-args=' + '@@'.join(extra_args) if extra_args else None
potargs = state.environment.get_build_command() + ['--internal', 'gettext', 'pot', pkg_arg]
if datadirs:
potargs.append(datadirs)
if extra_args:
potargs.append(extra_args)
pottarget = build.RunTarget(packagename + '-pot', potargs, [], state.subdir, state.subproject)
gmoargs = state.environment.get_build_command() + ['--internal', 'gettext', 'gen_gmo']
if lang_arg:
gmoargs.append(lang_arg)
gmotarget = build.RunTarget(packagename + '-gmo', gmoargs, [], state.subdir, state.subproject)
updatepoargs = state.environment.get_build_command() + ['--internal', 'gettext', 'update_po', pkg_arg]
if lang_arg:
updatepoargs.append(lang_arg)
if datadirs:
updatepoargs.append(datadirs)
if extra_args:
updatepoargs.append(extra_args)
updatepotarget = build.RunTarget(packagename + '-update-po', updatepoargs, [], state.subdir, state.subproject)
targets = [pottarget, gmotarget, updatepotarget]
install = kwargs.get('install', True)
if install:
install_dir = kwargs.get('install_dir', state.environment.coredata.get_option(mesonlib.OptionKey('localedir')))
script = state.environment.get_build_command()
args = ['--internal', 'gettext', 'install',
'--subdir=' + state.subdir,
'--localedir=' + install_dir,
pkg_arg]
if lang_arg:
args.append(lang_arg)
iscript = state.backend.get_executable_serialisation(script + args)
targets.append(iscript)
return ModuleReturnValue(None, targets)
def initialize(*args, **kwargs):
return I18nModule(*args, **kwargs)
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