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# Copyright 2018 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.
# This file contains the detection logic for external dependencies that
# are UI-related.
from __future__ import annotations
import json
import os
from . import ExtensionModule, ModuleInfo
from .. import mlog
from ..dependencies import Dependency
from ..dependencies.dub import DubDependency
from ..interpreterbase import typed_pos_args
from ..mesonlib import Popen_safe, MesonException
class DlangModule(ExtensionModule):
class_dubbin = None
init_dub = False
INFO = ModuleInfo('dlang', '0.48.0')
def __init__(self, interpreter):
super().__init__(interpreter)
self.methods.update({
'generate_dub_file': self.generate_dub_file,
})
def _init_dub(self, state):
if DlangModule.class_dubbin is None:
self.dubbin = DubDependency.class_dubbin
DlangModule.class_dubbin = self.dubbin
else:
self.dubbin = DlangModule.class_dubbin
if DlangModule.class_dubbin is None:
self.dubbin = self.check_dub(state)
DlangModule.class_dubbin = self.dubbin
else:
self.dubbin = DlangModule.class_dubbin
if not self.dubbin:
if not self.dubbin:
raise MesonException('DUB not found.')
@typed_pos_args('dlang.generate_dub_file', str, str)
def generate_dub_file(self, state, args, kwargs):
if not DlangModule.init_dub:
self._init_dub(state)
config = {
'name': args[0]
}
config_path = os.path.join(args[1], 'dub.json')
if os.path.exists(config_path):
with open(config_path, encoding='utf-8') as ofile:
try:
config = json.load(ofile)
except ValueError:
mlog.warning('Failed to load the data in dub.json')
warn_publishing = ['description', 'license']
for arg in warn_publishing:
if arg not in kwargs and \
arg not in config:
mlog.warning('Without', mlog.bold(arg), 'the DUB package can\'t be published')
for key, value in kwargs.items():
if key == 'dependencies':
config[key] = {}
if isinstance(value, list):
for dep in value:
if isinstance(dep, Dependency):
name = dep.get_name()
ret, res = self._call_dubbin(['describe', name])
if ret == 0:
version = dep.get_version()
if version is None:
config[key][name] = ''
else:
config[key][name] = version
elif isinstance(value, Dependency):
name = value.get_name()
ret, res = self._call_dubbin(['describe', name])
if ret == 0:
version = value.get_version()
if version is None:
config[key][name] = ''
else:
config[key][name] = version
else:
config[key] = value
with open(config_path, 'w', encoding='utf-8') as ofile:
ofile.write(json.dumps(config, indent=4, ensure_ascii=False))
def _call_dubbin(self, args, env=None):
p, out = Popen_safe(self.dubbin.get_command() + args, env=env)[0:2]
return p.returncode, out.strip()
def check_dub(self, state):
dubbin = state.find_program('dub', silent=True)
if dubbin.found():
try:
p, out = Popen_safe(dubbin.get_command() + ['--version'])[0:2]
if p.returncode != 0:
mlog.warning('Found dub {!r} but couldn\'t run it'
''.format(' '.join(dubbin.get_command())))
# Set to False instead of None to signify that we've already
# searched for it and not found it
dubbin = False
except (FileNotFoundError, PermissionError):
dubbin = False
else:
dubbin = False
if dubbin:
mlog.log('Found DUB:', mlog.bold(dubbin.get_path()),
'(%s)' % out.strip())
else:
mlog.log('Found DUB:', mlog.red('NO'))
return dubbin
def initialize(*args, **kwargs):
return DlangModule(*args, **kwargs)