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from copy import copy
from distutils.spawn import find_executable
import os
import re
import subprocess
import sys
import sipconfig
from PyQt5 import QtCore
libqt5_rename = False
class Configuration(sipconfig.Configuration):
def __init__(self):
env = copy(os.environ)
env['QT_SELECT'] = '5'
qmake_exe = 'qmake-qt5' if find_executable('qmake-qt5') else 'qmake'
qtconfig = subprocess.check_output(
[qmake_exe, '-query'], env=env, universal_newlines=True)
qtconfig = dict(line.split(':', 1) for line in qtconfig.splitlines())
pyqtconfig = {
'qt_archdata_dir': qtconfig['QT_INSTALL_DATA'],
'qt_data_dir': qtconfig['QT_INSTALL_DATA'],
'qt_dir': qtconfig['QT_INSTALL_PREFIX'],
'qt_inc_dir': qtconfig['QT_INSTALL_HEADERS'],
'qt_lib_dir': qtconfig['QT_INSTALL_LIBS'],
'qt_threaded': 1,
'qt_version': QtCore.QT_VERSION,
'qt_winconfig': 'shared exceptions',
}
if sys.platform == 'darwin':
if os.path.exists(os.path.join(qtconfig['QT_INSTALL_LIBS'], 'QtCore.framework')):
pyqtconfig['qt_framework'] = 1
else:
global libqt5_rename
libqt5_rename = True
sipconfig.Configuration.__init__(self, [pyqtconfig])
macros = sipconfig._default_macros.copy()
macros['INCDIR_QT'] = qtconfig['QT_INSTALL_HEADERS']
macros['LIBDIR_QT'] = qtconfig['QT_INSTALL_LIBS']
macros['MOC'] = 'moc-qt5' if find_executable('moc-qt5') else 'moc'
self.set_build_macros(macros)
def get_sip_dir_flags(config):
"""
Get the extra SIP flags needed by the imported qt module, and locate PyQt5 sip install files.
Note that this normally only includes those flags (-x and -t) that relate to SIP's versioning
system.
"""
try:
sip_dir = config.pyqt_sip_dir
sip_flags = config.pyqt_sip_flags
return sip_dir, sip_flags
except AttributeError:
# sipconfig.Configuration does not have a pyqt_sip_dir or pyqt_sip_flags AttributeError
sip_flags = QtCore.PYQT_CONFIGURATION['sip_flags']
# Archlinux installs sip files here by default
default_sip_dir = os.path.join(sipconfig._pkg_config['default_mod_dir'], 'PyQt5', 'bindings')
if os.path.exists(default_sip_dir):
return default_sip_dir, sip_flags
# sip4 installs here by default
default_sip_dir = os.path.join(sipconfig._pkg_config['default_sip_dir'], 'PyQt5')
if os.path.exists(default_sip_dir):
return default_sip_dir, sip_flags
# workaround for new path sip dir in pyqt5 >= 5.15.0+dfsg-1+exp1
default_sip_dir = '/usr/lib/python3/dist-packages/PyQt5/bindings'
if os.path.exists(default_sip_dir):
return default_sip_dir, sip_flags
# Homebrew installs sip files here by default
default_sip_dir = os.path.join(sipconfig._pkg_config['default_sip_dir'], 'Qt5')
if os.path.exists(default_sip_dir):
return default_sip_dir, sip_flags
raise FileNotFoundError('The sip directory for PyQt5 could not be located. Please ensure' +
' that PyQt5 is installed')
if len(sys.argv) != 9:
print('usage: %s build-dir sip-file output_dir include_dirs libs lib_dirs ldflags extra_defines' %
sys.argv[0])
sys.exit(1)
# The SIP build folder, the SIP file, the output directory, the include
# directories, the libraries, the library directories and the linker
# flags.
build_dir, sip_file, output_dir, include_dirs, libs, lib_dirs, ldflags, extra_defines = sys.argv[1:]
# The name of the SIP build file generated by SIP and used by the build system.
build_file = 'pyqtscripting.sbf'
# Get the PyQt configuration information.
config = Configuration()
sip_dir, sip_flags = get_sip_dir_flags(config)
try:
os.makedirs(build_dir)
except OSError:
pass
# Run SIP to generate the code. Note that we tell SIP where to find the qt
# module's specification files using the -I flag.
sip_bin = config.sip_bin
# Without the .exe, this might actually be a directory in Windows
if sys.platform == 'win32' and os.path.isdir(sip_bin):
sip_bin += '.exe'
cmd = [
sip_bin,
'-c', build_dir,
'-b', os.path.join(build_dir, build_file),
'-I', sip_dir,
'-w'
]
cmd += sip_flags.split(' ')
cmd.append(sip_file)
subprocess.check_call(cmd)
# Create the Makefile. The QtModuleMakefile class provided by the
# pyqtconfig module takes care of all the extra preprocessor, compiler and
# linker flags needed by the Qt library.
makefile = sipconfig.SIPModuleMakefile(
dir=build_dir,
configuration=config,
build_file=build_file,
qt=['QtCore', 'QtGui']
)
# hack to override makefile behavior which always prepend -l to libraries
# which is wrong for absolute paths
default_platform_lib_function = sipconfig.SIPModuleMakefile.platform_lib
def custom_platform_lib_function(self, clib, framework=0):
if not clib or clib.isspace():
return None
# Only add '-l' if a library doesn't already start with '-l' and is not an absolute path
if os.path.isabs(clib) or clib.startswith('-l'):
return clib
global libqt5_rename
# sip renames libs to Qt5 automatically on Linux, but not on macOS
if libqt5_rename and not framework and clib.startswith('Qt') and not clib.startswith('Qt5'):
return '-lQt5' + clib[2:]
return default_platform_lib_function(self, clib, framework)
sipconfig.SIPModuleMakefile.platform_lib = custom_platform_lib_function
# split paths on whitespace
# while dealing with whitespaces within the paths if they are escaped with backslashes
def split_paths(paths):
paths = re.split('(?<=[^\\\\]) ', paths)
return paths
for include_dir in split_paths(include_dirs):
include_dir = include_dir.replace('\\', '')
makefile.extra_include_dirs.append(include_dir)
for lib in split_paths(libs):
makefile.extra_libs.append(lib)
for lib_dir in split_paths(lib_dirs):
lib_dir = lib_dir.replace('\\', '')
makefile.extra_lib_dirs.append(lib_dir)
for ldflag in ldflags.split('\\ '):
makefile.LFLAGS.append(ldflag)
for extra_define in extra_defines.split(' '):
makefile.extra_defines.append(extra_define)
# redirect location of generated library
makefile._target = '"%s"' % os.path.join(output_dir, makefile._target)
# Force c++14
if sys.platform == 'win32':
makefile.extra_cxxflags.append('/std:c++14')
# The __cplusplus flag is not properly set on Windows for backwards
# compatibilty. This flag sets it correctly
makefile.CXXFLAGS.append('/Zc:__cplusplus')
else:
makefile.extra_cxxflags.append('-std=c++14')
# Finalise the Makefile, preparing it to be saved to disk
makefile.finalise()
# Replace Qt variables from libraries
libs = makefile.LIBS.as_list()
for i in range(len(libs)):
libs[i] = libs[i].replace('$$[QT_INSTALL_LIBS]', config.build_macros()['LIBDIR_QT'])
makefile.LIBS.set(libs)
# Generate the Makefile itself
makefile.generate()
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