def isValidPython(self):
import sys
if sys.platform == 'cli':
return True
message = """\
Leo requires Python 2.2.1 or higher.
You may download Python from http://python.org/download/
"""
try:
# This will fail if True/False are not defined.
import leo.core.leoGlobals as g
# print('leoBridge:isValidPython:g',g)
# Set leoGlobals.g here, rather than in leoGlobals.py.
leoGlobals = g # Don't set g.g, it would pollute the autocompleter.
leoGlobals.g = g
except ImportError:
print("isValidPython: can not import leo.core.leoGlobals as leoGlobals")
return 0
except Exception:
print("isValidPytyhon: unexpected exception: import leo.core.leoGlobals as leoGlobals.py as g")
import traceback; traceback.print_exc()
return 0
try:
version = '.'.join([str(sys.version_info[i]) for i in (0, 1, 2)])
ok = g.CheckVersion(version, '2.2.1')
if not ok:
print(message)
g.app.gui.runAskOkDialog(None, "Python version error", message=message, text="Exit")
return ok
except Exception:
print("isValidPython: unexpected exception: g.CheckVersion")
import traceback; traceback.print_exc()
return 0
from PyQt4 import QtGui
from PyQt4.QtCore import QUrl
assert QUrl # for pyflakes.
QtConst = QtCore.Qt
QtWidgets = QtGui
printsupport = QtWidgets
except ImportError:
print('leoQt.py: can not fully import PyQt4.')
# Define qt_version
if fail:
pass
else:
qt_version = QtCore.QT_VERSION_STR
if 0:
import leo.core.leoGlobals as g
isNewQt = g.CheckVersion(qt_version, '4.5.0')
# Define phonon,Qsci,QtSvg,QtWebKit,QtWebKitWidgets,uic.
# These imports may fail without affecting the isQt5 constant.
if fail:
pass
elif isQt5:
try:
QString = QtCore.QString
except Exception:
QString = g.u # Use default
try:
import PyQt5.QtDeclarative as QtDeclarative
except ImportError:
QtDeclarative = None
try:
import PyQt5.phonon as phonon
