450 lines
15 KiB
Python
450 lines
15 KiB
Python
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from __future__ import annotations
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import inspect
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import numbers
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import textwrap
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from typing import Any
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import numpy as np
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from gui_qt.Qt import QtCore, QtWidgets, QtGui
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from gui_qt._py.fitcreationdialog import Ui_Dialog
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from gui_qt.lib.namespace import QNamespaceWidget
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__all__ = ['QUserFitCreator']
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validator = QtGui.QRegExpValidator(QtCore.QRegExp('[A-Za-z]\S*'))
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class QUserFitCreator(QtWidgets.QDialog, Ui_Dialog):
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classCreated = QtCore.pyqtSignal(object)
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self.setupUi(self)
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self.description_widget = DescWidget(self)
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self.args_widget = ArgWidget(self)
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self.kwargs_widget = KwargsWidget(self)
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self.kwargs_widget.Changed.connect(self.update_function)
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self.namespace_widget = QNamespaceWidget(self)
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self.namespace_widget.make_namespace()
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self.namespace_widget.sendKey.connect(self.namespace_made)
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for b, w in [(self.description_box, self.description_widget), (self.args_box, self.args_widget),
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(self.kwargs_box, self.kwargs_widget), (self.namespace_box, self.namespace_widget)]:
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b.layout().addWidget(w)
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try:
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w.Changed.connect(self.update_function)
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except AttributeError:
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pass
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b.layout().addStretch()
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self._imports = set()
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self.update_function()
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def __call__(self, *args, **kwargs):
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return self
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def update_function(self):
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try:
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var = self.args_widget.get_parameter()
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var += self.kwargs_widget.get_parameter()
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k = ''
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for imps in self._imports:
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if len(imps) == 2:
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k += f'from {imps[0]} import {imps[1]}\n'
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elif imps[0] == 'numpy':
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k += 'import numpy as np\n'
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if len(self._imports):
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k += '\n\n'
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k += self.description_widget.get_strings()
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k += self.args_widget.get_strings()
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k += self.kwargs_widget.get_strings()
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k += '\n @staticmethod\n'
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k += f" def func(x, {', '.join(var)}):\n"
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self.plainTextEdit.setPlainText(k)
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except Exception as e:
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QtWidgets.QMessageBox.warning(self, 'Failure', f'Error found: {e.args[0]}')
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def change_visibility(self):
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sender = self.sender()
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for box in (self.description_box, self.args_box, self.kwargs_box, self.namespace_box):
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box.blockSignals(True)
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box.setExpansion(sender == box)
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box.blockSignals(False)
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def namespace_made(self, invalue: str):
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ns = self.namespace_widget.namespace.namespace
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func_value = ns[invalue][0]
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ret_func = ''
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if func_value is None:
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ret_func = invalue
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elif isinstance(func_value, numbers.Number):
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ret_func = func_value
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elif isinstance(func_value, np.ufunc):
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self._imports.add(('numpy',))
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ret_func = 'np.'+func_value.__name__ + '(x)'
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else:
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f_string = ns[invalue][-1]
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args = f_string[f_string.find('('):]
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if inspect.ismethod(func_value):
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ret_func = func_value.__self__.__name__ + '.func'+args
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elif hasattr(func_value, '__qualname__'):
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ret_func = func_value.__qualname__.split('.')[0]
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self._imports.add((inspect.getmodule(func_value).__name__, ret_func))
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self.plainTextEdit.insertPlainText(ret_func)
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self.update_function()
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class KwargsWidget(QtWidgets.QWidget):
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Changed = QtCore.pyqtSignal()
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self._num_kwargs = 0
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self._setup_ui()
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def _setup_ui(self):
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layout = QtWidgets.QGridLayout()
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layout.setContentsMargins(3, 3, 3, 3)
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layout.setHorizontalSpacing(3)
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self.use_nuclei = QtWidgets.QCheckBox('Add gyromagnetic ratio', self)
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self.use_nuclei.stateChanged.connect(lambda x: self.Changed.emit())
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layout.addWidget(self.use_nuclei, 0, 0, 1, 3)
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self.choices = QtWidgets.QTabWidget(self)
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layout.addWidget(self.choices, 1, 0, 1, 3)
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self.add_choice_button = QtWidgets.QPushButton('Add choice', self)
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self.add_choice_button.clicked.connect(self.add_choice)
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layout.addWidget(self.add_choice_button, 2, 0, 1, 1)
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self.rem_choice_button = QtWidgets.QPushButton('Remove choice', self)
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self.rem_choice_button.clicked.connect(self.remove_choice)
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layout.addWidget(self.rem_choice_button, 2, 1, 1, 1)
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self.setLayout(layout)
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def add_choice(self):
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cnt = self._num_kwargs
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c = ChoiceWidget(cnt, self)
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c.Changed.connect(self.update_choice)
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self.choices.addTab(c, c.name_line.text())
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self._num_kwargs += 1
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self.choices.setCurrentIndex(cnt)
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self.Changed.emit()
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def remove_choice(self):
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cnt = self.choices.currentIndex()
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self.choices.removeTab(cnt)
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self.Changed.emit()
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def update_choice(self):
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idx = self.choices.currentIndex()
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self.choices.setTabText(idx, self.sender().name_line.text())
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self.Changed.emit()
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def get_parameter(self):
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if self.use_nuclei.isChecked():
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var = ['nucleus=2.67522128e7']
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else:
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var = []
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var += [self.choices.widget(idx).get_parameter() for idx in range(self.choices.count())]
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return var
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def get_strings(self) -> str:
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kwargs = []
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if self.use_nuclei.isChecked():
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kwargs.append("(r'\gamma', 'nucleus', gamma)")
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for i in range(self.choices.count()):
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kwargs.append(self.choices.widget(i).get_strings())
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if kwargs:
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return f" choices = {', '.join(kwargs)}\n"
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else:
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return ''
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class ChoiceWidget(QtWidgets.QWidget):
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Changed = QtCore.pyqtSignal()
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def __init__(self, idx: int, parent=None):
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super().__init__(parent=parent)
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self._setup_ui()
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self.name_line.setText('choice' + str(idx))
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self.add_option()
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def _setup_ui(self):
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layout = QtWidgets.QGridLayout()
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layout.setContentsMargins(3, 3, 3, 3)
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layout.setHorizontalSpacing(3)
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self.name_label = QtWidgets.QLabel('Name', self)
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layout.addWidget(self.name_label, 0, 0, 1, 1)
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self.name_line = QtWidgets.QLineEdit(self)
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self.name_line.textChanged.connect(lambda x: self.Changed.emit())
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layout.addWidget(self.name_line, 0, 1, 1, 1)
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self.disp_label = QtWidgets.QLabel('Disp. name', self)
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layout.addWidget(self.disp_label, 1, 0, 1, 1)
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self.display_line = QtWidgets.QLineEdit(self)
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self.display_line.textChanged.connect(lambda x: self.Changed.emit())
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layout.addWidget(self.display_line, 1, 1, 1, 1)
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self.add_button = QtWidgets.QPushButton('Add option', self)
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self.add_button.clicked.connect(self.add_option)
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layout.addWidget(self.add_button, 2, 0, 1, 2)
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self.remove_button = QtWidgets.QPushButton('Remove option', self)
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self.remove_button.clicked.connect(self.remove_option)
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layout.addWidget(self.remove_button, 3, 0, 1, 2)
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self.table = QtWidgets.QTableWidget(self)
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self.table.setColumnCount(3)
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self.table.setHorizontalHeaderLabels(['Name', 'Value', 'Type'])
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self.table.itemChanged.connect(lambda x: self.Changed.emit())
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layout.addWidget(self.table, 0, 2, 4, 1)
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self.setLayout(layout)
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def add_option(self):
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self.table.blockSignals(True)
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row = self.table.rowCount()
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self.table.setRowCount(row+1)
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self.table.setItem(row, 0, QtWidgets.QTableWidgetItem('opt' + str(row)))
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lineedit = QtWidgets.QLineEdit()
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lineedit.setValidator(validator)
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lineedit.setFrame(False)
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lineedit.setText('opt'+str(row))
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lineedit.textChanged.connect(lambda x: self.Changed.emit())
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self.table.setCellWidget(row, 0, lineedit)
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self.table.setItem(row, 1, QtWidgets.QTableWidgetItem('None'))
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self.table.setItem(row, 2, QtWidgets.QTableWidgetItem(''))
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cb = QtWidgets.QComboBox()
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cb.addItems(['None', 'str', 'float', 'int', 'bool'])
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cb.currentIndexChanged.connect(lambda x: self.Changed.emit())
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self.table.setCellWidget(row, 2, cb)
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self.table.blockSignals(False)
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self.Changed.emit()
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def remove_option(self):
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if self.table.rowCount() > 1:
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self.table.blockSignals(True)
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self.table.removeRow(self.table.currentRow())
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self.table.blockSignals(False)
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self.Changed.emit()
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def get_parameter(self) -> str:
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return f'{self.name_line.text()}={self._make_value(0)!r}'
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def get_strings(self) -> str:
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opts = []
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for i in range(self.table.rowCount()):
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name = self.table.item(i, 0).text()
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val = self._make_value(i)
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opts.append(f'{name!r}: {val!r}')
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opts = f"{{{', '.join(opts)}}}"
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disp = self.display_line.text()
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name = self.name_line.text()
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if disp == '':
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ret_val = '(' + ', '.join([repr(name), repr(name), opts]) + ')'
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else:
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ret_val = '(' + ', '.join([repr(name), repr(disp), opts]) + ')'
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return ret_val
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def _make_value(self, i) -> Any:
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dtype = self.table.cellWidget(i, 2).currentIndex()
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val = self.table.item(i, 1).text()
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cast = [None, str, float, int, bool]
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if dtype == 0:
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val = None
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else:
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try:
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val = cast[dtype](val)
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except:
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raise ValueError(f'Invalid argument for {self.table.cellWidget(i, 0).text()}')
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return val
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class ArgWidget(QtWidgets.QWidget):
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Changed = QtCore.pyqtSignal()
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self._setup_ui()
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def _setup_ui(self):
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layout = QtWidgets.QGridLayout()
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layout.setContentsMargins(3, 3, 3, 3)
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layout.setHorizontalSpacing(3)
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self.table = QtWidgets.QTableWidget(self)
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self.table.setColumnCount(4)
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self.table.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
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self.table.setRowCount(0)
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self.table.setHorizontalHeaderLabels(['Variable', 'Disp. name', 'Lower bound', 'Upper bound'])
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self.table.itemChanged.connect(lambda x: self.Changed.emit())
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layout.addWidget(self.table, 0, 0, 1, 3)
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self.add_button = QtWidgets.QPushButton('Add parameter', self)
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self.add_button.clicked.connect(self.add_variable)
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layout.addWidget(self.add_button, 1, 0, 1, 1)
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self.rem_button = QtWidgets.QPushButton('Remove parameter', self)
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self.rem_button.clicked.connect(self.remove_variable)
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layout.addWidget(self.rem_button, 1, 1, 1, 1)
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spacer = QtWidgets.QSpacerItem(0, 0)
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layout.addItem(spacer, 1, 2, 1, 1)
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self.setLayout(layout)
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def add_variable(self):
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self.table.blockSignals(True)
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row = self.table.rowCount()
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self.table.setRowCount(row + 1)
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self.table.setItem(row, 0, QtWidgets.QTableWidgetItem('p' + str(row)))
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# arguments cannot start with a number or have spaces
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lineedit = QtWidgets.QLineEdit()
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lineedit.setValidator(validator)
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lineedit.setFrame(False)
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lineedit.setText('p'+str(row))
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lineedit.textChanged.connect(lambda x: self.Changed.emit())
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self.table.setCellWidget(row, 0, lineedit)
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self.table.setItem(row, 1, QtWidgets.QTableWidgetItem('p_{' + str(row) + '}'))
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self.table.setItem(row, 2, QtWidgets.QTableWidgetItem('--'))
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self.table.setItem(row, 3, QtWidgets.QTableWidgetItem('--'))
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self.table.blockSignals(False)
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self.Changed.emit()
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def remove_variable(self):
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self.table.blockSignals(True)
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self.table.removeRow(self.table.currentRow())
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self.table.blockSignals(False)
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self.Changed.emit()
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def get_parameter(self) -> list[str]:
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var = []
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for row in range(self.table.rowCount()):
|
||
|
|
var.append(self.table.cellWidget(row, 0).text())
|
||
|
|
|
||
|
|
return var
|
||
|
|
|
||
|
|
def get_strings(self):
|
||
|
|
args = []
|
||
|
|
bnds = []
|
||
|
|
for row in range(self.table.rowCount()):
|
||
|
|
args.append(self.table.item(row, 1).text())
|
||
|
|
lb = self.table.item(row, 2).text()
|
||
|
|
lb = None if lb in ['--', 'None'] else float(lb)
|
||
|
|
|
||
|
|
ub = self.table.item(row, 3).text()
|
||
|
|
ub = None if ub in ['--', 'None'] else float(ub)
|
||
|
|
|
||
|
|
if ub is not None and lb is not None:
|
||
|
|
if not (lb < ub):
|
||
|
|
raise ValueError('Some bounds are invalid')
|
||
|
|
|
||
|
|
bnds.append(f'({lb}, {ub})')
|
||
|
|
|
||
|
|
stringi = f' params = {args}\n'
|
||
|
|
stringi += f" bounds = [{', '.join(bnds)}]\n"
|
||
|
|
|
||
|
|
return stringi
|
||
|
|
|
||
|
|
|
||
|
|
class DescWidget(QtWidgets.QWidget):
|
||
|
|
Changed = QtCore.pyqtSignal()
|
||
|
|
|
||
|
|
def __init__(self, parent=None):
|
||
|
|
super().__init__(parent=parent)
|
||
|
|
|
||
|
|
self._setup_ui()
|
||
|
|
|
||
|
|
def _setup_ui(self):
|
||
|
|
layout = QtWidgets.QGridLayout()
|
||
|
|
layout.setContentsMargins(3, 3, 3, 3)
|
||
|
|
layout.setSpacing(3)
|
||
|
|
|
||
|
|
self.klass_label = QtWidgets.QLabel('Class', self)
|
||
|
|
layout.addWidget(self.klass_label, 0, 0, 1, 1)
|
||
|
|
self.klass_lineedit = QtWidgets.QLineEdit(self)
|
||
|
|
self.klass_lineedit.setValidator(validator)
|
||
|
|
self.klass_lineedit.setText('UserClass')
|
||
|
|
self.klass_lineedit.textChanged.connect(lambda x: self.Changed.emit())
|
||
|
|
layout.addWidget(self.klass_lineedit, 0, 1, 1, 1)
|
||
|
|
|
||
|
|
self.name_label = QtWidgets.QLabel('Name', self)
|
||
|
|
layout.addWidget(self.name_label, 1, 0, 1, 1)
|
||
|
|
self.name_lineedit = QtWidgets.QLineEdit(self)
|
||
|
|
self.name_lineedit.setText('Name of function')
|
||
|
|
self.name_lineedit.textChanged.connect(lambda x: self.Changed.emit())
|
||
|
|
layout.addWidget(self.name_lineedit, 1, 1, 1, 1)
|
||
|
|
|
||
|
|
self.group_label = QtWidgets.QLabel('Group', self)
|
||
|
|
layout.addWidget(self.group_label, 2, 0, 1, 1)
|
||
|
|
self.group_lineedit = QtWidgets.QLineEdit(self)
|
||
|
|
self.group_lineedit.setText('User-defined')
|
||
|
|
self.group_lineedit.textChanged.connect(lambda x: self.Changed.emit())
|
||
|
|
layout.addWidget(self.group_lineedit, 2, 1, 1, 1)
|
||
|
|
|
||
|
|
self.eq_label = QtWidgets.QLabel('Disp. equation', self)
|
||
|
|
layout.addWidget(self.eq_label, 3, 0, 1, 1)
|
||
|
|
self.eq_lineedit = QtWidgets.QLineEdit(self)
|
||
|
|
self.eq_lineedit.textChanged.connect(lambda x: self.Changed.emit())
|
||
|
|
layout.addWidget(self.eq_lineedit, 3, 1, 1, 1)
|
||
|
|
|
||
|
|
self.setLayout(layout)
|
||
|
|
|
||
|
|
def get_strings(self) -> str:
|
||
|
|
if self.klass_lineedit.text() == '':
|
||
|
|
raise ValueError('Class name is empty')
|
||
|
|
stringi = f'class {self.klass_lineedit.text()}:\n' \
|
||
|
|
f' name = {self.name_lineedit.text()!r}\n' \
|
||
|
|
f' group = {self.group_lineedit.text()!r}\n' \
|
||
|
|
f' equation = {self.eq_lineedit.text()!r}\n'
|
||
|
|
|
||
|
|
return stringi
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
import sys
|
||
|
|
app = QtWidgets.QApplication([])
|
||
|
|
win = QUserFitCreator()
|
||
|
|
win.show()
|
||
|
|
|
||
|
|
sys.exit(app.exec())
|