# Copyright 2015 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 dependencies, mlog
import os, subprocess
import build
from coredata import MesonException
import xml.etree.ElementTree as ET
class Qt4Module():
def __init__(self):
mlog.log('Detecting Qt tools.')
# The binaries have different names on different
# distros. Joy.
self.moc = dependencies.ExternalProgram('moc-qt4', silent=True)
if not self.moc.found():
self.moc = dependencies.ExternalProgram('moc', silent=True)
self.uic = dependencies.ExternalProgram('uic-qt4', silent=True)
if not self.uic.found():
self.uic = dependencies.ExternalProgram('uic', silent=True)
self.rcc = dependencies.ExternalProgram('rcc-qt4', silent=True)
if not self.rcc.found():
self.rcc = dependencies.ExternalProgram('rcc', silent=True)
# Moc, uic and rcc write their version strings to stderr.
# Moc and rcc return a non-zero result when doing so.
# What kind of an idiot thought that was a good idea?
if self.moc.found():
mp = subprocess.Popen(self.moc.get_command() + ['-v'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = mp.communicate()
stdout = stdout.decode().strip()
stderr = stderr.decode().strip()
if 'Qt Meta' in stderr:
moc_ver = stderr
else:
raise MesonException('Moc preprocessor is not for Qt 4. Output:\n%s\n%s' %
(stdout, stderr))
mlog.log(' moc:', mlog.green('YES'), '(%s, %s)' % \
(' '.join(self.moc.fullpath), moc_ver.split()[-1]))
else:
mlog.log(' moc:', mlog.red('NO'))
if self.uic.found():
up = subprocess.Popen(self.uic.get_command() + ['-v'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = up.communicate()
stdout = stdout.decode().strip()
stderr = stderr.decode().strip()
if 'version 4.' in stderr:
uic_ver = stderr
else:
raise MesonException('Uic compiler is not for Qt4. Output:\n%s\n%s' %
(stdout, stderr))
mlog.log(' uic:', mlog.green('YES'), '(%s, %s)' % \
(' '.join(self.uic.fullpath), uic_ver.split()[-1]))
else:
mlog.log(' uic:', mlog.red('NO'))
if self.rcc.found():
rp = subprocess.Popen(self.rcc.get_command() + ['-v'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = rp.communicate()
stdout = stdout.decode().strip()
stderr = stderr.decode().strip()
if 'version 4.' in stderr:
rcc_ver = stderr
else:
raise MesonException('Rcc compiler is not for Qt 4. Output:\n%s\n%s' %
(stdout, stderr))
mlog.log(' rcc:', mlog.green('YES'), '(%s, %s)'\
% (' '.join(self.rcc.fullpath), rcc_ver.split()[-1]))
else:
mlog.log(' rcc:', mlog.red('NO'))
def parse_qrc(self, state, fname):
abspath = os.path.join(state.environment.source_dir, state.subdir, fname)
relative_part = os.path.split(fname)[0]
try:
tree = ET.parse(abspath)
root = tree.getroot()
result = []
for child in root[0]:
if child.tag != 'file':
mlog.log("Warning, malformed rcc file: ", os.path.join(state.subdir, fname))
break
else:
result.append(os.path.join(state.subdir, relative_part, child.text))
return result
except Exception:
return []
def preprocess(self, state, args, kwargs):
rcc_files = kwargs.pop('qresources', [])
if not isinstance(rcc_files, list):
rcc_files = [rcc_files]
ui_files = kwargs.pop('ui_files', [])
if not isinstance(ui_files, list):
ui_files = [ui_files]
moc_headers = kwargs.pop('moc_headers', [])
if not isinstance(moc_headers, list):
moc_headers = [moc_headers]
moc_sources = kwargs.pop('moc_sources', [])
if not isinstance(moc_sources, list):
moc_sources = [moc_sources]
srctmp = kwargs.pop('sources', [])
if not isinstance(srctmp, list):
srctmp = [srctmp]
sources = args[1:] + srctmp
if len(rcc_files) > 0:
rcc_kwargs = {'output' : '@BASENAME@.cpp',
'arguments' : ['@INPUT@', '-o', '@OUTPUT@']}
rcc_gen = build.Generator([self.rcc], rcc_kwargs)
rcc_output = build.GeneratedList(rcc_gen)
qrc_deps = []
for i in rcc_files:
qrc_deps += self.parse_qrc(state, i)
rcc_output.extra_depends = qrc_deps
[rcc_output.add_file(os.path.join(state.subdir, a)) for a in rcc_files]
sources.append(rcc_output)
if len(ui_files) > 0:
ui_kwargs = {'output' : 'ui_@BASENAME@.h',
'arguments' : ['-o', '@OUTPUT@', '@INPUT@']}
ui_gen = build.Generator([self.uic], ui_kwargs)
ui_output = build.GeneratedList(ui_gen)
[ui_output.add_file(os.path.join(state.subdir, a)) for a in ui_files]
sources.append(ui_output)
if len(moc_headers) > 0:
moc_kwargs = {'output' : 'moc_@BASENAME@.cpp',
'arguments' : ['@INPUT@', '-o', '@OUTPUT@']}
moc_gen = build.Generator([self.moc], moc_kwargs)
moc_output = build.GeneratedList(moc_gen)
[moc_output.add_file(os.path.join(state.subdir, a)) for a in moc_headers]
sources.append(moc_output)
if len(moc_sources) > 0:
moc_kwargs = {'output' : '@BASENAME@.moc',
'arguments' : ['@INPUT@', '-o', '@OUTPUT@']}
moc_gen = build.Generator([self.moc], moc_kwargs)
moc_output = build.GeneratedList(moc_gen)
[moc_output.add_file(os.path.join(state.subdir, a)) for a in moc_sources]
sources.append(moc_output)
return sources
def initialize():
mlog.log('Warning, rcc dependencies will not work properly until this upstream issue is fixed:',
mlog.bold('https://bugreports.qt.io/browse/QTBUG-45460'))
return Qt4Module()