def __init__(self, *args: int) -> None:
self._ver = QVersionNumber(args) # not *args, to support >3 components
if self._ver.isNull():
raise ValueError("Can't construct a null version")
normalized = self._ver.normalized()
if normalized != self._ver:
raise ValueError(
f"Refusing to construct non-normalized version from {args} "
f"(normalized: {tuple(normalized.segments())}).")
self.major = self._ver.majorVersion()
self.minor = self._ver.minorVersion()
self.patch = self._ver.microVersion()
self.segments = self._ver.segments()
def parse(cls, s: str) -> 'VersionNumber':
"""Parse a version number from a string."""
ver, _suffix = QVersionNumber.fromString(s)
# FIXME: Should we support a suffix?
if ver.isNull():
raise ValueError(f"Failed to parse {s}")
return cls(*ver.normalized().segments())
def isValid(self):
if not self._nm.isValid():
return False
nm_version = self._get_nm_version()
if nm_version < QVersionNumber(1, 2):
logger.warning(
'NetworkManager version 1.2 or later required, found %s',
nm_version.toString())
return False
return True
def check_qt_version():
"""Check if the Qt version is recent enough."""
from PyQt5.QtCore import QT_VERSION, PYQT_VERSION, PYQT_VERSION_STR
try:
from PyQt5.QtCore import QVersionNumber, QLibraryInfo
qt_ver = QLibraryInfo.version().normalized()
recent_qt_runtime = qt_ver >= QVersionNumber(5, 12) # type: ignore[operator]
except (ImportError, AttributeError):
# QVersionNumber was added in Qt 5.6, QLibraryInfo.version() in 5.8
recent_qt_runtime = False
if QT_VERSION < 0x050C00 or PYQT_VERSION < 0x050C00 or not recent_qt_runtime:
text = ("Fatal error: Qt >= 5.12.0 and PyQt >= 5.12.0 are required, "
"but Qt {} / PyQt {} is installed.".format(qt_version(),
PYQT_VERSION_STR))
_die(text)
if qt_ver == QVersionNumber(5, 12, 0):
from qutebrowser.utils import log
log.init.warning("Running on Qt 5.12.0. Doing so is unsupported "
"(newer 5.12.x versions are fine).")
def check_qt_version():
"""Check if the Qt version is recent enough."""
from PyQt5.QtCore import QT_VERSION, PYQT_VERSION, PYQT_VERSION_STR
try:
from PyQt5.QtCore import QVersionNumber, QLibraryInfo
qt_ver = QLibraryInfo.version().normalized()
recent_qt_runtime = qt_ver >= QVersionNumber(5, 12) # type: ignore[operator]
except (ImportError, AttributeError):
# QVersionNumber was added in Qt 5.6, QLibraryInfo.version() in 5.8
recent_qt_runtime = False
if QT_VERSION < 0x050C00 or PYQT_VERSION < 0x050C00 or not recent_qt_runtime:
text = ("Fatal error: Qt >= 5.12.0 and PyQt >= 5.12.0 are required, "
"but Qt {} / PyQt {} is installed.".format(qt_version(),
PYQT_VERSION_STR))
_die(text)
class VersionNumber:
"""A representation of a version number."""
def __init__(self, *args: int) -> None:
self._ver = QVersionNumber(*args)
if self._ver.isNull():
raise ValueError("Can't construct a null version")
normalized = self._ver.normalized()
if normalized != self._ver:
raise ValueError(
f"Refusing to construct non-normalized version from {args} "
f"(normalized: {tuple(normalized.segments())}).")
self.major = self._ver.majorVersion()
self.minor = self._ver.minorVersion()
self.patch = self._ver.microVersion()
self.segments = self._ver.segments()
assert len(self.segments) <= 3, self.segments
def __str__(self) -> str:
return ".".join(str(s) for s in self.segments)
def __repr__(self) -> str:
args = ", ".join(str(s) for s in self.segments)
return f'VersionNumber({args})'
def strip_patch(self) -> 'VersionNumber':
"""Get a new VersionNumber with the patch version removed."""
return VersionNumber(*self.segments[:2])
@classmethod
def parse(cls, s: str) -> 'VersionNumber':
"""Parse a version number from a string."""
ver, _suffix = QVersionNumber.fromString(s)
# FIXME: Should we support a suffix?
if ver.isNull():
raise ValueError(f"Failed to parse {s}")
return cls(*ver.normalized().segments())
def __hash__(self) -> int:
return hash(self._ver)
def __eq__(self, other: object) -> bool:
if not isinstance(other, VersionNumber):
return NotImplemented
return self._ver == other._ver
def __ne__(self, other: object) -> bool:
if not isinstance(other, VersionNumber):
return NotImplemented
return self._ver != other._ver
def __ge__(self, other: 'VersionNumber') -> bool:
return self._ver >= other._ver # type: ignore[operator]
def __gt__(self, other: 'VersionNumber') -> bool:
return self._ver > other._ver # type: ignore[operator]
def __le__(self, other: 'VersionNumber') -> bool:
return self._ver <= other._ver # type: ignore[operator]
def __lt__(self, other: 'VersionNumber') -> bool:
return self._ver < other._ver # type: ignore[operator]
print("打开内存失败！！！")
self.LabRightInfo.setText(u"启动联合仿真失败")
elif self.ret == -2:
self.LabRightInfo.setText(u"启动联合仿真失败")
print("指针指向失败！！！")
else:
self.ret = 0
print("打开共享内存成功！！！")
self.LabRightInfo.setText(u"已启动联合仿真")
return self.ret
# ============窗体测试程序 ================================
if __name__ == "__main__":
app = 0 # 清除上次运行的残留
v_compare = QVersionNumber(5, 6, 0)
v_current, _ = QVersionNumber.fromString(QT_VERSION_STR) # 获取当前Qt版本
if QVersionNumber.compare(v_current, v_compare) >= 0:
QApplication.setAttribute(
Qt.AA_EnableHighDpiScaling) # Qt从5.6.0开始，支持High-DPI
app = QApplication(sys.argv) #
else:
app = QApplication(sys.argv)
font = QFont("宋体")
pointSize = font.pointSize()
font.setPixelSize(pointSize * 90 / 72)
app.setFont(font)
splash = SplashPanel()
app.processEvents() # 防止进程卡死
def _get_nm_version(self):
version, _suffindex = QVersionNumber.fromString(
read_dbus_property(self._nm, 'Version'))
return version
def parse_version(version: str) -> VersionNumber:
"""Parse a version string."""
v_q, _suffix = QVersionNumber.fromString(version)
return cast(VersionNumber, v_q.normalized())