def test_compareVersions_ignorePoint():
tests = [
('0.0.0', '0.0.0', 0),
('0.0.0', '0.0.5', 0),
('0.0.0', '0.1.0', -1),
('0.0.0', '0.1.5', -1),
('0.1.0', '0.1.10', 0),
('0.1.0', '0.2.0', -1),
('0.1.0', '0.2.10', -1),
('1.0.0', '1.0.10', 0),
('1.0.0', '1.0.10', 0),
('1.0.0', '1.1.0', -1),
('1.0.0', '1.1.10', -1),
('1.0.0', '2.0.0', -1),
('1.0.0', '2.0.10', -1),
]
for v1, v2, expected in tests:
assert fslversion.compareVersions(v1, v2, ignorePoint=True) == expected
assert fslversion.compareVersions(v2, v1, ignorePoint=True) == -expected
def test_compareVersions():
tests = [
('0.0.0', '0.0.0', 0),
('0.0.10', '0.0.10', 0),
('0.10.0', '0.10.0', 0),
('10.0.0', '10.0.0', 0),
('10.0.10', '10.0.10', 0),
('10.10.0', '10.10.0', 0),
('10.10.10', '10.10.10', 0),
('0.0.0', '0.0.1', -1),
('0.0.0', '0.1.0', -1),
('0.0.5', '0.1.0', -1),
('0.0.5', '0.1.5', -1),
('0.0.5', '0.1.10', -1),
('0.0.0', '1.0.0', -1),
('0.0.5', '1.0.0', -1),
('0.0.5', '1.0.5', -1),
('0.0.5', '1.0.10', -1),
('0.1.0', '0.1.1', -1),
('0.1.1', '0.1.2', -1),
('0.1.10', '0.2.0', -1),
('0.9.9', '1.0.0', -1),
('0.9.9', '1.9.9', -1),
('1.9.9', '2.0.0', -1),
]
for v1, v2, expected in tests:
assert fslversion.compareVersions(v1, v2) == expected
assert fslversion.compareVersions(v2, v1) == -expected
def __checkForUpdates(self,
showUpToDateMessage=True,
showErrorMessage=True,
ignorePoint=False):
"""Run this action. Downloads a text file from a URL which contains
the latest available version of FSLeyes. Compares that version with
the running version. Displays a message to the user.
:arg showUpToDateMessage: Defaults to ``True``. If ``False``, and
the current version of FSLeyes is up to
date, the user is not informed.
:arg showErrorMessage: Defaults to ``True``. If ``False``, and
some error occurs while checking for
updates, the user is not informed.
:arg ignorePoint: Defaults to ``False``. If ``True``, the
point release number is ignored in the
comparison.
"""
errMsg = strings.messages[self, 'newVersionError']
errTitle = strings.titles[self, 'newVersionError']
with status.reportIfError(errTitle, errMsg, report=showErrorMessage):
log.debug('Checking for FSLeyes updates ({})'.format(
_FSLEYES_VERSION_URL))
f = request.urlopen(_FSLEYES_VERSION_URL)
latest = f.read().decode('utf-8').strip()
current = version.__version__
upToDate = fslversion.compareVersions(latest, current,
ignorePoint) <= 0
log.debug('This version of FSLeyes ({}) is '
'{} date (latest: {})'.format(
current, 'up to' if upToDate else 'out of', latest))
if upToDate and not showUpToDateMessage:
return
urlMsg = strings.messages[self, 'updateUrl']
if upToDate:
title = strings.titles[self, 'upToDate']
msg = strings.messages[self, 'upToDate']
msg = msg.format(current)
else:
title = strings.titles[self, 'newVersionAvailable']
msg = strings.messages[self, 'newVersionAvailable']
msg = msg.format(current, latest, _FSLEYES_URL)
parent = wx.GetTopLevelWindows()[0]
dlg = UrlDialog(parent, title, msg, urlMsg, _FSLEYES_URL)
dlg.CentreOnParent()
dlg.ShowModal()
def __createWXGLContext(self, other=None, target=None):
"""Creates a ``wx.glcanvas.GLContext`` object, assigning it to
an attribute called ``__context``. Assumes that a
``wx.glcanvas.GLCanvas`` has already been created.
:arg other: Another `wx.glcanvas.GLContext`` instance with which
the new context should share GL state.
:arg target: If ``other`` is not ``None``, this must be a
``wx.glcanvas.GLCanvas``, the rendering target for the
new context.
.. warning:: This method *must* be called via the ``wx.MainLoop``.
"""
import wx
import wx.glcanvas as wxgl
# Versions of wxwidgets 3.1 and newer (approximately
# corresponding to wxpython 4.1 and newer) allow
# us to select a GL compatibility profile (required,
# because we rely on GL 1.4/2.1).
wxver = fwidgets.wxVersion()
if wxver is not None and \
fslversion.compareVersions(wxver, '4.1.1') >= 0:
attrs = wxgl.GLContextAttrs()
attrs.CompatibilityProfile()
attrs.EndList()
kwargs = {'ctxAttrs' : attrs}
else:
kwargs = {}
log.debug('Creating wx.GLContext')
if other is not None:
self.__context = wxgl.GLContext(target, other=other, **kwargs)
else:
self.__context = wxgl.GLContext(self.__canvas, **kwargs)
# We can't set the context target
# until the dummy canvas is
# physically shown on the screen.
while not self.__canvas.IsShownOnScreen():
wx.GetApp().Yield()
self.__context.SetCurrent(self.__canvas)
def _selectPyOpenGLPlatform():
"""Pyopengl sometimes doesn't select a suitable platform, so in some
circumstances we need to force things (but not if ``PYOPENGL_PLATFORM``
is already set in the environment).
"""
if 'PYOPENGL_PLATFORM' in os.environ:
return
# If no display, osmesa on all platforms
if not fwidgets.canHaveGui():
os.environ['PYOPENGL_PLATFORM'] = 'osmesa'
# Versions of wxpython 4.1.1 and newer
# default to using EGL for GL initialisation,
# but pyopengl doesn't seem to1
elif fslplatform.os.lower() == 'linux':
wxver = fwidgets.wxVersion()
if wxver is not None and \
fslversion.compareVersions(wxver, '4.1.1') >= 0:
os.environ['PYOPENGL_PLATFORM'] = 'egl'
def displayAttribues():
"""Used within ``__init__`` methods of ``WXGLCanvasTarget``
sub-classes.
Return a dict to be passed as keyword arguments to the
``wx.glcanvas.GLCanvas.__init__`` method, defining display attributes.
The ``GLCanvas`` interface changed between wxWidgets 3.0.x and 3.1.x
(roughly corresponding to wxPython 4.0.x and 4.1.x) - this method
checks the wxPython version and returns a suitable set of arguments.
"""
import wx
import wx.glcanvas as wxgl
# the format of wx.__version__ is not
# consistent (e.g. "4.0.7.post2", "4.1.0", etc)
try:
version = '.'.join(wx.__version__.split('.')[:3])
except Exception:
version = '4.0.0'
# Use new API for 4.1.0 and newer
if fslversion.compareVersions(version, '4.1.0') >= 0:
attrs = wxgl.GLAttributes()
attrs.MinRGBA(8, 8, 8, 8) \
.DoubleBuffer() \
.Depth(24) \
.Stencil(4) \
.EndList()
kwargs = {'dispAttrs' : attrs}
else:
attrs = [wxgl.WX_GL_RGBA,
wxgl.WX_GL_DOUBLEBUFFER,
wxgl.WX_GL_STENCIL_SIZE, 4,
wxgl.WX_GL_DEPTH_SIZE, 24,
0,
0]
kwargs = {'attribList' : attrs}
return kwargs