How to use to_index method in pandera

Best Python code snippet using pandera_python

dock.py

Source:dock.py

1# -*- coding: utf-8 -*-2#3# Copyright Â© Spyder Project Contributors4# Licensed under the terms of the MIT License5# (see spyder/__init__.py for details)6"""7Dock widgets for plugins8"""9from qtpy.QtCore import QEvent, QObject, QPoint, Qt, Signal10from qtpy.QtGui import QCursor11from qtpy.QtWidgets import QApplication, QDockWidget, QTabBar12class TabFilter(QObject):13    """14    Filter event attached to each QTabBar that holds 2 or more dockwidgets in15    charge of handling tab rearangement.16    This filter also holds the methods needed for the detection of a drag and17    the movement of tabs.18    """19    def __init__(self, dock_tabbar, main):20        QObject.__init__(self)21        self.dock_tabbar = dock_tabbar22        self.main = main23        self.moving = False24        self.from_index = None25        self.to_index = None26    # Helper methods27    def _get_plugin(self, index):28        """Get plugin reference based on tab index."""29        for plugin in self.main.widgetlist:30            tab_text = self.dock_tabbar.tabText(index).replace('&', '')31            if plugin.get_plugin_title() == tab_text:32                return plugin33    def _get_plugins(self):34        """35        Get a list of all plugin references in the QTabBar to which this36        event filter is attached.37        """38        plugins = []39        for index in range(self.dock_tabbar.count()):40            plugin = self._get_plugin(index)41            plugins.append(plugin)42        return plugins43    def _fix_cursor(self, from_index, to_index):44        """Fix mouse cursor position to adjust for different tab sizes."""45        # The direction is +1 (moving to the right) or -1 (moving to the left)46        direction = abs(to_index - from_index)/(to_index - from_index)47        tab_width = self.dock_tabbar.tabRect(to_index).width()48        tab_x_min = self.dock_tabbar.tabRect(to_index).x()49        tab_x_max = tab_x_min + tab_width50        previous_width = self.dock_tabbar.tabRect(to_index - direction).width()51        delta = previous_width - tab_width52        if delta > 0:53            delta = delta * direction54        else:55            delta = 056        cursor = QCursor()57        pos = self.dock_tabbar.mapFromGlobal(cursor.pos())58        x, y = pos.x(), pos.y()59        if x < tab_x_min or x > tab_x_max:60            new_pos = self.dock_tabbar.mapToGlobal(QPoint(x + delta, y))61            cursor.setPos(new_pos)62    def eventFilter(self, obj, event):63        """Filter mouse press events.64        Events that are captured and not propagated return True. Events that65        are not captured and are propagated return False.66        """67        event_type = event.type()68        if event_type == QEvent.MouseButtonPress:69            self.tab_pressed(event)70            return False71        if event_type == QEvent.MouseMove:72            try:73                self.tab_moved(event)74            except TypeError:75                pass76            return True77        if event_type == QEvent.MouseButtonRelease:78            self.tab_released(event)79            return True80        return False81    def tab_pressed(self, event):82        """Method called when a tab from a QTabBar has been pressed."""83        self.from_index = self.dock_tabbar.tabAt(event.pos())84        self.dock_tabbar.setCurrentIndex(self.from_index)85        if event.button() == Qt.RightButton:86            if self.from_index == -1:87                self.show_nontab_menu(event)88            else:89                self.show_tab_menu(event)90    def tab_moved(self, event):91        """Method called when a tab from a QTabBar has been moved."""92        # If the left button isn't pressed anymore then return93        if not event.buttons() & Qt.LeftButton:94            self.to_index = None95            return96        self.to_index = self.dock_tabbar.tabAt(event.pos())97        if not self.moving and self.from_index != -1 and self.to_index != -1:98            QApplication.setOverrideCursor(Qt.ClosedHandCursor)99            self.moving = True100        if self.to_index in (-1, None):101            self.to_index = self.from_index102        from_index, to_index = self.from_index, self.to_index103        if from_index not in (to_index, -1, None):104            self.move_tab(from_index, to_index)105            self._fix_cursor(from_index, to_index)106            self.from_index = to_index107    def tab_released(self, event):108        """Method called when a tab from a QTabBar has been released."""109        QApplication.restoreOverrideCursor()110        self.moving = False111    def move_tab(self, from_index, to_index):112        """Move a tab from a given index to a given index position."""113        plugins = self._get_plugins()114        from_plugin = self._get_plugin(from_index)115        to_plugin = self._get_plugin(to_index)116        from_idx = plugins.index(from_plugin)117        to_idx = plugins.index(to_plugin)118        plugins[from_idx], plugins[to_idx] = plugins[to_idx], plugins[from_idx]119        for i in range(len(plugins)-1):120            self.main.tabify_plugins(plugins[i], plugins[i+1])121        from_plugin.dockwidget.raise_()122    def show_tab_menu(self, event):123        """Show the context menu assigned to tabs."""124        self.show_nontab_menu(event)125    def show_nontab_menu(self, event):126        """Show the context menu assigned to nontabs section."""127        menu = self.main.createPopupMenu()128        menu.exec_(self.dock_tabbar.mapToGlobal(event.pos()))129class SpyderDockWidget(QDockWidget):130    """Subclass to override needed methods"""131    plugin_closed = Signal()132    def __init__(self, title, parent):133        super(SpyderDockWidget, self).__init__(title, parent)134        # Needed for the installation of the event filter135        self.title = title136        self.main = parent137        self.dock_tabbar = None138        # To track dockwidget changes the filter is installed when dockwidget139        # visibility changes. This installs the filter on startup and also140        # on dockwidgets that are undocked and then docked to a new location.141        self.visibilityChanged.connect(self.install_tab_event_filter)142    def closeEvent(self, event):143        """144        Reimplement Qt method to send a signal on close so that "Panes" main145        window menu can be updated correctly146        """147        self.plugin_closed.emit()148    def install_tab_event_filter(self, value):149        """150        Install an event filter to capture mouse events in the tabs of a151        QTabBar holding tabified dockwidgets.152        """153        dock_tabbar = None154        tabbars = self.main.findChildren(QTabBar)155        for tabbar in tabbars:156            for tab in range(tabbar.count()):157                title = tabbar.tabText(tab)158                if title == self.title:159                    dock_tabbar = tabbar160                    break161        if dock_tabbar is not None:162            self.dock_tabbar = dock_tabbar163            # Install filter only once per QTabBar164            if getattr(self.dock_tabbar, 'filter', None) is None:165                self.dock_tabbar.filter = TabFilter(self.dock_tabbar,166                                                    self.main)...

last_digit_of_the_sum_of_fibonacci_numbers_again.py

Source:last_digit_of_the_sum_of_fibonacci_numbers_again.py

1# python32from last_digit_of_the_sum_of_fibonacci_numbers import *3def last_digit_of_the_sum_of_fibonacci_numbers_again_naive(from_index, to_index):4    assert 0 <= from_index <= to_index <= 10 ** 185    if to_index == 0:6        return 07    fibonacci_numbers = [0] * (to_index + 1)8    fibonacci_numbers[0] = 09    fibonacci_numbers[1] = 110    for i in range(2, to_index + 1):11        fibonacci_numbers[i] = fibonacci_numbers[i - 2] + fibonacci_numbers[i - 1]12    return sum(fibonacci_numbers[from_index:to_index + 1]) % 1013def last_digit_of_the_sum_of_fibonacci_numbers_again(from_index, to_index):14    assert 0 <= from_index <= to_index <= 10 ** 1815    last = last_digit_of_the_sum_of_fibonacci_numbers(to_index) - \16           last_digit_of_the_sum_of_fibonacci_numbers(from_index - 1)17    return last % 1018if __name__ == '__main__':19    input_from, input_to = map(int, input().split())20    print(last_digit_of_the_sum_of_fibonacci_numbers_again(input_from, input_to))...

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