def test_constructor_text(qtbot):
widget = ExprEdit(text='text')
show(locals())
assert bool(widget.getError()) is False
assert getCurrentColor(
widget, 'Background').names[0] == widget.defaultColors['default'][0]
assert list(widget.getSymbols().values()) == [Symbol('text')]
def test_constructor(qtbot):
widget = ExprEdit()
show(locals())
assert widget.getError() is None
assert getCurrentColor(
widget, 'Background').names[0] == widget.defaultColors['blank'][0]
assert dict() == widget.getSymbols()
def test_basic_math(qtbot):
widget = ExprEdit(text='2*cos(pi) + 20/5')
show(locals())
assert widget.getSymbols() == dict()
assert widget.getExpr() == 2
assert widget.getValue() == 2
widget = ExprEdit(text='2*cos(pi) + pi')
show(locals())
assert widget.getSymbols() == dict()
assert widget.getExpr() == parseExpr('-2 + pi')
assert widget.getExpr() != parseExpr('-2 + pi').evalf()
assert widget.getValue() == parseExpr('-2 + pi').evalf()
def test_expr_error(qtbot):
for e, safe, cause_error, ident in expr_safe_check:
testLogger.debug(
f"ex = {e}, safe = {safe}, error = {cause_error}, ident = {ident}")
widget = ExprEdit(text=e)
show(locals())
assert bool(widget.getError()) is cause_error
if e == '':
assert getCurrentColor(widget, 'Background').names[0] == \
widget.defaultColors['blank'][0]
else:
assert getCurrentColor(widget, 'Background').names[0] == \
widget.defaultColors['error' if cause_error else 'default'][0]
widget = ExprEdit()
show(locals())
for e, safe, cause_error, ident in expr_safe_check:
widget.setText(e)
assert bool(widget.getError()) is cause_error
if e == '':
assert getCurrentColor(widget, 'Background').names[0] == \
widget.defaultColors['blank'][0]
else:
assert getCurrentColor(widget, 'Background').names[0] == \
widget.defaultColors['error' if cause_error else 'default'][0]
def test_constructor_symbols(qtbot):
widget = ExprEdit(text='word')
show(locals())
syms = widget.getSymbols()
assert set(syms.keys()) == {'word'}
assert widget.getExpr().subs({'word': 3}) == 3
# 'var' is a function somewhere in sympy
widget.setText('word * 2**var')
assert bool(widget.getError()) is True
# but 'vars' is not
widget.setText('sin(word) * 2**vars')
assert widget.getError() is False
widget.setText('sin(word)*(2**expon)')
assert widget.getError() is False
assert set(widget.getSymbols().keys()) == {'word', 'expon'}
assert widget.getExpr().subs({'word': parseExpr('pi/2'), 'expon': 3}) == 8
def test_constructor_math(qtbot):
widget = ExprEdit(text='2*a_1 + b')
show(locals())
syms = widget.getSymbols()
assert set(syms.keys()) == {'a_1', 'b'}
assert widget.getExpr().subs({'a_1': 3, 'b': 2}) == 8
def setupUi(self, Form):
Form.setObjectName("Form")
Form.resize(693, 190)
self.gridLayout = QtWidgets.QGridLayout(Form)
self.gridLayout.setObjectName("gridLayout")
self.sympyExprEdit = ExprEdit(Form)
self.sympyExprEdit.setMinimumSize(QtCore.QSize(120, 0))
self.sympyExprEdit.setMaximumSize(QtCore.QSize(120, 16777215))
self.sympyExprEdit.setObjectName("sympyExprEdit")
self.gridLayout.addWidget(self.sympyExprEdit, 2, 1, 1, 1)
self.label_17 = QtWidgets.QLabel(Form)
self.label_17.setObjectName("label_17")
self.gridLayout.addWidget(self.label_17, 5, 9, 1, 1)
self.label_12 = QtWidgets.QLabel(Form)
self.label_12.setWordWrap(True)
self.label_12.setObjectName("label_12")
self.gridLayout.addWidget(self.label_12, 2, 9, 1, 1)
self.line = QtWidgets.QFrame(Form)
self.line.setFrameShape(QtWidgets.QFrame.VLine)
self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line.setObjectName("line")
self.gridLayout.addWidget(self.line, 0, 4, 7, 1)
self.sympyEntryWidget = SympyEntryWidget(Form)
self.sympyEntryWidget.setMinimumSize(QtCore.QSize(120, 0))
self.sympyEntryWidget.setMaximumSize(QtCore.QSize(120, 16777215))
self.sympyEntryWidget.setObjectName("sympyEntryWidget")
self.gridLayout.addWidget(self.sympyEntryWidget, 6, 1, 1, 1)
self.sympySymbolEdit = SymbolEdit(Form)
self.sympySymbolEdit.setMinimumSize(QtCore.QSize(120, 0))
self.sympySymbolEdit.setMaximumSize(QtCore.QSize(120, 16777215))
self.sympySymbolEdit.setObjectName("sympySymbolEdit")
self.gridLayout.addWidget(self.sympySymbolEdit, 4, 1, 1, 1)
self.label = QtWidgets.QLabel(Form)
self.label.setMaximumSize(QtCore.QSize(120, 16777215))
self.label.setObjectName("label")
self.gridLayout.addWidget(self.label, 2, 5, 1, 1)
self.label_3 = QtWidgets.QLabel(Form)
self.label_3.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_3.setObjectName("label_3")
self.gridLayout.addWidget(self.label_3, 4, 5, 1, 1)
self.label_4 = QtWidgets.QLabel(Form)
self.label_4.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_4.setObjectName("label_4")
self.gridLayout.addWidget(self.label_4, 6, 5, 1, 1)
self.label_2 = QtWidgets.QLabel(Form)
self.label_2.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_2.setObjectName("label_2")
self.gridLayout.addWidget(self.label_2, 3, 5, 1, 1)
self.sympyUnitEdit = UnitEdit(Form)
self.sympyUnitEdit.setMinimumSize(QtCore.QSize(120, 0))
self.sympyUnitEdit.setMaximumSize(QtCore.QSize(120, 16777215))
self.sympyUnitEdit.setObjectName("sympyUnitEdit")
self.gridLayout.addWidget(self.sympyUnitEdit, 3, 1, 1, 1)
self.label_5 = QtWidgets.QLabel(Form)
self.label_5.setMinimumSize(QtCore.QSize(150, 0))
self.label_5.setObjectName("label_5")
self.gridLayout.addWidget(self.label_5, 2, 0, 1, 1)
self.label_7 = QtWidgets.QLabel(Form)
self.label_7.setMinimumSize(QtCore.QSize(150, 0))
self.label_7.setObjectName("label_7")
self.gridLayout.addWidget(self.label_7, 4, 0, 1, 1)
self.label_9 = QtWidgets.QLabel(Form)
self.label_9.setAlignment(QtCore.Qt.AlignCenter)
self.label_9.setObjectName("label_9")
self.gridLayout.addWidget(self.label_9, 0, 5, 1, 1)
self.label_10 = QtWidgets.QLabel(Form)
self.label_10.setAlignment(QtCore.Qt.AlignCenter)
self.label_10.setObjectName("label_10")
self.gridLayout.addWidget(self.label_10, 0, 7, 1, 1)
self.label_6 = QtWidgets.QLabel(Form)
self.label_6.setMinimumSize(QtCore.QSize(150, 0))
self.label_6.setObjectName("label_6")
self.gridLayout.addWidget(self.label_6, 3, 0, 1, 1)
self.label_8 = QtWidgets.QLabel(Form)
self.label_8.setMinimumSize(QtCore.QSize(150, 0))
self.label_8.setObjectName("label_8")
self.gridLayout.addWidget(self.label_8, 6, 0, 1, 1)
self.line_3 = QtWidgets.QFrame(Form)
self.line_3.setFrameShape(QtWidgets.QFrame.VLine)
self.line_3.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line_3.setObjectName("line_3")
self.gridLayout.addWidget(self.line_3, 0, 6, 7, 1)
self.label_16 = QtWidgets.QLabel(Form)
self.label_16.setMinimumSize(QtCore.QSize(150, 0))
self.label_16.setObjectName("label_16")
self.gridLayout.addWidget(self.label_16, 5, 0, 1, 1)
self.sympydimensionedit = DimensionEdit(Form)
self.sympydimensionedit.setMinimumSize(QtCore.QSize(120, 0))
self.sympydimensionedit.setMaximumSize(QtCore.QSize(120, 16777215))
self.sympydimensionedit.setObjectName("sympydimensionedit")
self.gridLayout.addWidget(self.sympydimensionedit, 5, 1, 1, 1)
self.label_18 = QtWidgets.QLabel(Form)
self.label_18.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_18.setObjectName("label_18")
self.gridLayout.addWidget(self.label_18, 5, 5, 1, 1)
self.label_20 = QtWidgets.QLabel(Form)
self.label_20.setMinimumSize(QtCore.QSize(120, 0))
self.label_20.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_20.setObjectName("label_20")
self.gridLayout.addWidget(self.label_20, 2, 7, 1, 1)
self.label_19 = QtWidgets.QLabel(Form)
self.label_19.setMinimumSize(QtCore.QSize(120, 0))
self.label_19.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_19.setObjectName("label_19")
self.gridLayout.addWidget(self.label_19, 3, 7, 1, 1)
self.label_21 = QtWidgets.QLabel(Form)
self.label_21.setMinimumSize(QtCore.QSize(120, 0))
self.label_21.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_21.setObjectName("label_21")
self.gridLayout.addWidget(self.label_21, 4, 7, 1, 1)
self.label_22 = QtWidgets.QLabel(Form)
self.label_22.setMinimumSize(QtCore.QSize(120, 0))
self.label_22.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_22.setObjectName("label_22")
self.gridLayout.addWidget(self.label_22, 5, 7, 1, 1)
self.label_23 = QtWidgets.QLabel(Form)
self.label_23.setMinimumSize(QtCore.QSize(120, 0))
self.label_23.setMaximumSize(QtCore.QSize(120, 16777215))
self.label_23.setObjectName("label_23")
self.gridLayout.addWidget(self.label_23, 6, 7, 1, 1)
self.label_11 = QtWidgets.QLabel(Form)
self.label_11.setAlignment(QtCore.Qt.AlignCenter)
self.label_11.setObjectName("label_11")
self.gridLayout.addWidget(self.label_11, 0, 9, 1, 1)
self.label_13 = QtWidgets.QLabel(Form)
self.label_13.setWordWrap(True)
self.label_13.setObjectName("label_13")
self.gridLayout.addWidget(self.label_13, 3, 9, 1, 1)
self.label_14 = QtWidgets.QLabel(Form)
self.label_14.setWordWrap(True)
self.label_14.setObjectName("label_14")
self.gridLayout.addWidget(self.label_14, 4, 9, 1, 1)
self.label_15 = QtWidgets.QLabel(Form)
self.label_15.setWordWrap(True)
self.label_15.setObjectName("label_15")
self.gridLayout.addWidget(self.label_15, 6, 9, 1, 1)
self.line_2 = QtWidgets.QFrame(Form)
self.line_2.setFrameShape(QtWidgets.QFrame.VLine)
self.line_2.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line_2.setObjectName("line_2")
self.gridLayout.addWidget(self.line_2, 0, 8, 7, 1)
self.gridLayout.setColumnStretch(1, 1)
self.gridLayout.setColumnStretch(9, 2)
self.retranslateUi(Form)
self.sympyExprEdit.exprChanged['QString'].connect(self.label.setText)
self.sympyUnitEdit.exprChanged['QString'].connect(self.label_2.setText)
self.sympySymbolEdit.exprChanged['QString'].connect(
self.label_3.setText)
self.sympyExprEdit.errorChanged['QString'].connect(
self.label_12.setText)
self.sympyUnitEdit.errorChanged['QString'].connect(
self.label_13.setText)
self.sympySymbolEdit.errorChanged['QString'].connect(
self.label_14.setText)
self.sympyEntryWidget.exprChanged['QString'].connect(
self.label_4.setText)
self.sympyEntryWidget.errorChanged['QString'].connect(
self.label_15.setText)
self.sympydimensionedit.errorChanged['QString'].connect(
self.label_17.setText)
self.sympydimensionedit.exprChanged['QString'].connect(
self.label_18.setText)
self.sympyExprEdit.valueChanged['QString'].connect(
self.label_20.setText)
self.sympyUnitEdit.valueChanged['QString'].connect(
self.label_19.setText)
self.sympydimensionedit.valueChanged['QString'].connect(
self.label_22.setText)
self.sympyEntryWidget.valueChanged['QString'].connect(
self.label_23.setText)
QtCore.QMetaObject.connectSlotsByName(Form)
Form.setTabOrder(self.sympyExprEdit, self.sympyUnitEdit)
Form.setTabOrder(self.sympyUnitEdit, self.sympySymbolEdit)
Form.setTabOrder(self.sympySymbolEdit, self.sympydimensionedit)
return lambda *t: print(title, *t)
# </editor-fold>
w = QWidget()
layout = QVBoxLayout()
sym = SymbolEdit(text='symbol_name')
sym.hasError[object].connect(printer('SymbolEdit.hasError[object]'))
sym.exprChanged[object].connect(
printer('SymbolEdit.exprChanged[object] -> Symbol is:'))
sym.setToolTip("Enter a symbol name")
layout.addWidget(sym)
expr = ExprEdit(text='1*a + 2*b - 1*a + cos(pi)')
expr.hasError[str].connect(printer('ExprEdit.hasError[str]'))
expr.exprChanged[str].connect(
printer('ExprEdit.exprChanged[str] -> Expression is:'))
expr.editingFinished.connect(lambda: show_symbols(expr))
expr.editingFinished.connect(
lambda: print('ExprEdit.editingFinished -> getValue():', expr.getValue()))
expr.setToolTip("Do some math")
layout.addWidget(expr)
unit = UnitEdit(text='2*mm + 1*inch')
unit.hasError[str].connect(printer('UnitEdit.hasError[str]'))
unit.exprChanged[object].connect(printer('UnitEdit.exprChanged[object]'))
unit.exprChanged.connect(
lambda: print('UnitEdit.exprChanged -> getExpr()', unit.getExpr()))
unit.exprChanged.connect(