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632 lines
25 KiB
Python
632 lines
25 KiB
Python
# -*- coding:utf-8 -*-
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"""
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/***************************************************************************
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Python Console for QGIS
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-------------------
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begin : 2012-09-10
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copyright : (C) 2012 by Salvatore Larosa
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email : lrssvtml (at) gmail (dot) com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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Some portions of code were taken from https://code.google.com/p/pydee/
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"""
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from qgis.PyQt.QtCore import Qt, QByteArray, QCoreApplication, QFile, QSize
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from qgis.PyQt.QtWidgets import QDialog, QMenu, QShortcut, QApplication
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from qgis.PyQt.QtGui import QColor, QKeySequence, QFont, QFontMetrics, QStandardItemModel, QStandardItem, QClipboard, \
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QFontDatabase
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from qgis.PyQt.Qsci import QsciScintilla
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from qgis.gui import QgsCodeEditor
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import sys
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import os
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import code
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import codecs
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import re
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import traceback
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from qgis.core import QgsApplication, QgsSettings, Qgis
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from .ui_console_history_dlg import Ui_HistoryDialogPythonConsole
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from .console_base import QgsPythonConsoleBase
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_init_commands = ["import sys", "import os", "import re", "import math", "from qgis.core import *",
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"from qgis.gui import *", "from qgis.analysis import *", "from qgis._3d import *",
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"import processing", "import qgis.utils",
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"from qgis.utils import iface", "from qgis.PyQt.QtCore import *", "from qgis.PyQt.QtGui import *",
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"from qgis.PyQt.QtWidgets import *",
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"from qgis.PyQt.QtNetwork import *", "from qgis.PyQt.QtXml import *"]
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_historyFile = os.path.join(QgsApplication.qgisSettingsDirPath(), "console_history.txt")
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class ShellScintilla(QgsPythonConsoleBase, code.InteractiveInterpreter):
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def __init__(self, parent=None):
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super(ShellScintilla, self).__init__(parent)
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code.InteractiveInterpreter.__init__(self, locals=None)
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self.parent = parent
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self.opening = ['(', '{', '[', "'", '"']
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self.closing = [')', '}', ']', "'", '"']
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self.settings = QgsSettings()
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self.new_input_line = True
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self.setCaretLineVisible(False)
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self.setMarginLineNumbers(0, False) # NO linenumbers for the input line
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self.buffer = []
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self.continuationLine = False
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self.displayPrompt(self.continuationLine)
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for line in _init_commands:
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self.runsource(line)
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self.history = []
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self.softHistory = ['']
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self.softHistoryIndex = 0
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# Read history command file
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self.readHistoryFile()
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self.historyDlg = HistoryDialog(self)
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# Brace matching: enable for a brace immediately before or after
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# the current position
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self.setBraceMatching(QsciScintilla.SloppyBraceMatch)
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self.refreshSettingsShell()
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# Don't want to see the horizontal scrollbar at all
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# Use raw message to Scintilla here (all messages are documented
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# here: http://www.scintilla.org/ScintillaDoc.html)
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self.SendScintilla(QsciScintilla.SCI_SETHSCROLLBAR, 0)
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# not too small
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# self.setMinimumSize(500, 300)
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self.setWrapMode(QsciScintilla.WrapCharacter)
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self.SendScintilla(QsciScintilla.SCI_EMPTYUNDOBUFFER)
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# Disable command key
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ctrl, shift = self.SCMOD_CTRL << 16, self.SCMOD_SHIFT << 16
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self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('L') + ctrl)
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self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('T') + ctrl)
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self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('D') + ctrl)
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self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('Z') + ctrl)
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self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('Y') + ctrl)
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self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('L') + ctrl + shift)
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# New QShortcut = ctrl+space/ctrl+alt+space for Autocomplete
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self.newShortcutCSS = QShortcut(QKeySequence(Qt.CTRL + Qt.SHIFT + Qt.Key_Space), self)
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self.newShortcutCAS = QShortcut(QKeySequence(Qt.CTRL + Qt.ALT + Qt.Key_Space), self)
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self.newShortcutCSS.setContext(Qt.WidgetShortcut)
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self.newShortcutCAS.setContext(Qt.WidgetShortcut)
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self.newShortcutCAS.activated.connect(self.autoCompleteKeyBinding)
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self.newShortcutCSS.activated.connect(self.showHistory)
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def _setMinimumHeight(self):
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font = self.lexer.defaultFont(0)
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fm = QFontMetrics(font)
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self.setMinimumHeight(fm.height() + 10)
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def refreshSettingsShell(self):
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# Set Python lexer
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self.setLexers()
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threshold = self.settings.value("pythonConsole/autoCompThreshold", 2, type=int)
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self.setAutoCompletionThreshold(threshold)
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radioButtonSource = self.settings.value("pythonConsole/autoCompleteSource", 'fromAPI')
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autoCompEnabled = self.settings.value("pythonConsole/autoCompleteEnabled", True, type=bool)
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if autoCompEnabled:
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if radioButtonSource == 'fromDoc':
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self.setAutoCompletionSource(self.AcsDocument)
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elif radioButtonSource == 'fromAPI':
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self.setAutoCompletionSource(self.AcsAPIs)
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elif radioButtonSource == 'fromDocAPI':
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self.setAutoCompletionSource(self.AcsAll)
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else:
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self.setAutoCompletionSource(self.AcsNone)
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self.setCaretLineBackgroundColor(self.color(QgsCodeEditor.ColorRole.CaretLine))
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self.setCaretForegroundColor(self.color(QgsCodeEditor.ColorRole.Cursor))
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self.setSelectionForegroundColor(self.color(QgsCodeEditor.ColorRole.SelectionForeground))
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self.setSelectionBackgroundColor(self.color(QgsCodeEditor.ColorRole.SelectionBackground))
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self.setMatchedBraceBackgroundColor(self.color(QgsCodeEditor.ColorRole.MatchedBraceBackground))
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self.setMatchedBraceForegroundColor(self.color(QgsCodeEditor.ColorRole.MatchedBraceForeground))
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self.setMarginsBackgroundColor(self.color(QgsCodeEditor.ColorRole.Background))
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# Sets minimum height for input area based of font metric
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self._setMinimumHeight()
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def showHistory(self):
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if not self.historyDlg.isVisible():
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self.historyDlg.show()
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self.historyDlg._reloadHistory()
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self.historyDlg.activateWindow()
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def autoCompleteKeyBinding(self):
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radioButtonSource = self.settings.value("pythonConsole/autoCompleteSource", 'fromAPI')
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autoCompEnabled = self.settings.value("pythonConsole/autoCompleteEnabled", True, type=bool)
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if autoCompEnabled:
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if radioButtonSource == 'fromDoc':
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self.autoCompleteFromDocument()
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elif radioButtonSource == 'fromAPI':
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self.autoCompleteFromAPIs()
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elif radioButtonSource == 'fromDocAPI':
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self.autoCompleteFromAll()
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def commandConsole(self, commands):
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if not self.is_cursor_on_last_line():
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self.move_cursor_to_end()
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for cmd in commands:
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self.setText(cmd)
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self.entered()
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self.move_cursor_to_end()
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self.setFocus()
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def getText(self):
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""" Get the text as a unicode string. """
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value = self.getBytes().decode('utf-8')
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# print (value) printing can give an error because the console font
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# may not have all unicode characters
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return value
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def getBytes(self):
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""" Get the text as bytes (utf-8 encoded). This is how
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the data is stored internally. """
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len = self.SendScintilla(self.SCI_GETLENGTH) + 1
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bb = QByteArray(len, '0')
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self.SendScintilla(self.SCI_GETTEXT, len, bb)
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return bytes(bb)[:-1]
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def getTextLength(self):
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return self.SendScintilla(QsciScintilla.SCI_GETLENGTH)
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def get_end_pos(self):
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"""Return (line, index) position of the last character"""
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line = self.lines() - 1
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return line, len(self.text(line))
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def is_cursor_at_start(self):
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"""Return True if cursor is at the end of text"""
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cline, cindex = self.getCursorPosition()
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return cline == 0 and cindex == 0
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def is_cursor_at_end(self):
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"""Return True if cursor is at the end of text"""
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cline, cindex = self.getCursorPosition()
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return (cline, cindex) == self.get_end_pos()
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def move_cursor_to_start(self):
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"""Move cursor to start of text"""
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self.setCursorPosition(0, 0)
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self.ensureCursorVisible()
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self.ensureLineVisible(0)
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self.displayPrompt(self.continuationLine)
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def move_cursor_to_end(self):
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"""Move cursor to end of text"""
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line, index = self.get_end_pos()
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self.setCursorPosition(line, index)
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self.ensureCursorVisible()
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self.ensureLineVisible(line)
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self.displayPrompt(self.continuationLine)
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def is_cursor_on_last_line(self):
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"""Return True if cursor is on the last line"""
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cline, _ = self.getCursorPosition()
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return cline == self.lines() - 1
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def new_prompt(self, prompt):
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"""
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Print a new prompt and save its (line, index) position
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"""
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self.write(prompt, prompt=True)
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# now we update our cursor giving end of prompt
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line, index = self.getCursorPosition()
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self.ensureCursorVisible()
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self.ensureLineVisible(line)
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def displayPrompt(self, more=False):
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self.SendScintilla(QsciScintilla.SCI_MARGINSETTEXT, 0, str.encode("..." if more else ">>>"))
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def syncSoftHistory(self):
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self.softHistory = self.history[:]
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self.softHistory.append('')
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self.softHistoryIndex = len(self.softHistory) - 1
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def updateSoftHistory(self):
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self.softHistory[self.softHistoryIndex] = self.text()
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def updateHistory(self, command, skipSoftHistory=False):
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if isinstance(command, list):
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for line in command:
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self.history.append(line)
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elif not command == "":
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if len(self.history) <= 0 or \
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command != self.history[-1]:
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self.history.append(command)
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if not skipSoftHistory:
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self.syncSoftHistory()
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def writeHistoryFile(self, fromCloseConsole=False):
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ok = False
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try:
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wH = codecs.open(_historyFile, 'w', encoding='utf-8')
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for s in self.history:
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wH.write(s + '\n')
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ok = True
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except:
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raise
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wH.close()
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if ok and not fromCloseConsole:
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msgText = QCoreApplication.translate('PythonConsole',
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'History saved successfully.')
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self.parent.callWidgetMessageBar(msgText)
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def readHistoryFile(self):
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fileExist = QFile.exists(_historyFile)
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if fileExist:
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with codecs.open(_historyFile, 'r', encoding='utf-8') as rH:
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for line in rH:
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if line != "\n":
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l = line.rstrip('\n')
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self.updateHistory(l, True)
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self.syncSoftHistory()
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else:
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return
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def clearHistory(self, clearSession=False):
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if clearSession:
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self.history = []
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self.syncSoftHistory()
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msgText = QCoreApplication.translate('PythonConsole',
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'Session and file history cleared successfully.')
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self.parent.callWidgetMessageBar(msgText)
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return
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ok = False
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try:
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cH = codecs.open(_historyFile, 'w', encoding='utf-8')
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ok = True
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except:
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raise
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cH.close()
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if ok:
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msgText = QCoreApplication.translate('PythonConsole',
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'History cleared successfully.')
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self.parent.callWidgetMessageBar(msgText)
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def clearHistorySession(self):
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self.clearHistory(True)
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def showPrevious(self):
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if self.softHistoryIndex < len(self.softHistory) - 1 and self.softHistory:
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self.softHistoryIndex += 1
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self.setText(self.softHistory[self.softHistoryIndex])
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self.move_cursor_to_end()
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# self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
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def showNext(self):
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if self.softHistoryIndex > 0 and self.softHistory:
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self.softHistoryIndex -= 1
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self.setText(self.softHistory[self.softHistoryIndex])
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self.move_cursor_to_end()
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# self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
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def keyPressEvent(self, e):
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# update the live history
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self.updateSoftHistory()
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startLine, startPos, endLine, endPos = self.getSelection()
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# handle invalid cursor position and multiline selections
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if startLine < endLine:
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# allow copying and selecting
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if e.modifiers() & (Qt.ControlModifier | Qt.MetaModifier):
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if e.key() == Qt.Key_C:
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# only catch and return from Ctrl-C here if there's a selection
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if self.hasSelectedText():
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QsciScintilla.keyPressEvent(self, e)
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return
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elif e.key() == Qt.Key_A:
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QsciScintilla.keyPressEvent(self, e)
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return
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else:
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return
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# allow selection
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if e.modifiers() & Qt.ShiftModifier:
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if e.key() in (Qt.Key_Left, Qt.Key_Right, Qt.Key_Home, Qt.Key_End):
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QsciScintilla.keyPressEvent(self, e)
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return
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# all other keystrokes get sent to the input line
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self.move_cursor_to_end()
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if e.modifiers() & (
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Qt.ControlModifier | Qt.MetaModifier) and e.key() == Qt.Key_C and not self.hasSelectedText():
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# keyboard interrupt
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sys.stdout.fire_keyboard_interrupt = True
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return
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line, index = self.getCursorPosition()
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cmd = self.text(line)
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hasSelectedText = self.hasSelectedText()
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if e.key() in (Qt.Key_Return, Qt.Key_Enter) and not self.isListActive():
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self.entered()
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elif e.key() in (Qt.Key_Left, Qt.Key_Home):
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QsciScintilla.keyPressEvent(self, e)
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elif e.key() in (Qt.Key_Backspace, Qt.Key_Delete):
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QsciScintilla.keyPressEvent(self, e)
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self.recolor()
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elif (e.modifiers() & (Qt.ControlModifier | Qt.MetaModifier) and e.key() == Qt.Key_V) or \
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(e.modifiers() & Qt.ShiftModifier and e.key() == Qt.Key_Insert):
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self.paste()
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e.accept()
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elif e.key() == Qt.Key_Down and not self.isListActive():
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self.showPrevious()
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elif e.key() == Qt.Key_Up and not self.isListActive():
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self.showNext()
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# TODO: press event for auto-completion file directory
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else:
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t = e.text()
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self.autoCloseBracket = self.settings.value("pythonConsole/autoCloseBracket", False, type=bool)
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self.autoImport = self.settings.value("pythonConsole/autoInsertionImport", True, type=bool)
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# Close bracket automatically
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if t in self.opening and self.autoCloseBracket:
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i = self.opening.index(t)
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if self.hasSelectedText() and startPos != 0:
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selText = self.selectedText()
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self.removeSelectedText()
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self.insert(self.opening[i] + selText + self.closing[i])
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self.setCursorPosition(endLine, endPos + 2)
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return
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elif t == '(' and (re.match(r'^[ \t]*def \w+$', cmd)
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or re.match(r'^[ \t]*class \w+$', cmd)):
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self.insert('):')
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else:
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self.insert(self.closing[i])
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# FIXES #8392 (automatically removes the redundant char
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# when autoclosing brackets option is enabled)
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elif t in [')', ']', '}'] and self.autoCloseBracket:
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try:
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if cmd[index - 1] in self.opening and t == cmd[index]:
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self.setCursorPosition(line, index + 1)
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self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
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except IndexError:
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pass
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elif t == ' ' and self.autoImport:
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ptrn = r'^[ \t]*from [\w.]+$'
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if re.match(ptrn, cmd):
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self.insert(' import')
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self.setCursorPosition(line, index + 7)
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QsciScintilla.keyPressEvent(self, e)
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self.displayPrompt(self.continuationLine)
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def contextMenuEvent(self, e):
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menu = QMenu(self)
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subMenu = QMenu(menu)
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titleHistoryMenu = QCoreApplication.translate("PythonConsole", "Command History")
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subMenu.setTitle(titleHistoryMenu)
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subMenu.addAction(
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QCoreApplication.translate("PythonConsole", "Show"),
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self.showHistory, 'Ctrl+Shift+SPACE')
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subMenu.addAction(
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QCoreApplication.translate("PythonConsole", "Clear File"),
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self.clearHistory)
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subMenu.addAction(
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QCoreApplication.translate("PythonConsole", "Clear Session"),
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self.clearHistorySession)
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menu.addMenu(subMenu)
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menu.addSeparator()
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copyAction = menu.addAction(
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self.iconCopy,
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QCoreApplication.translate("PythonConsole", "Copy"),
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self.copy, QKeySequence.Copy)
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pasteAction = menu.addAction(
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self.iconPaste,
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QCoreApplication.translate("PythonConsole", "Paste"),
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self.paste, QKeySequence.Paste)
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pyQGISHelpAction = menu.addAction(self.iconPyQGISHelp,
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QCoreApplication.translate("PythonConsole", "Search Selected in PyQGIS docs"),
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self.searchSelectedTextInPyQGISDocs)
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copyAction.setEnabled(False)
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pasteAction.setEnabled(False)
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pyQGISHelpAction.setEnabled(False)
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if self.hasSelectedText():
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copyAction.setEnabled(True)
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pyQGISHelpAction.setEnabled(True)
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if QApplication.clipboard().text():
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pasteAction.setEnabled(True)
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menu.exec_(self.mapToGlobal(e.pos()))
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def mousePressEvent(self, e):
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"""
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Re-implemented to handle the mouse press event.
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e: the mouse press event (QMouseEvent)
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"""
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self.setFocus()
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if e.button() == Qt.MidButton:
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stringSel = QApplication.clipboard().text(QClipboard.Selection)
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if not self.is_cursor_on_last_line():
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self.move_cursor_to_end()
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self.insertFromDropPaste(stringSel)
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e.accept()
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else:
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QsciScintilla.mousePressEvent(self, e)
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def paste(self):
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"""
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Method to display data from the clipboard.
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XXX: It should reimplement the virtual QScintilla.paste method,
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but it seems not used by QScintilla code.
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"""
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stringPaste = QApplication.clipboard().text()
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if self.is_cursor_on_last_line():
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if self.hasSelectedText():
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self.removeSelectedText()
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else:
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self.move_cursor_to_end()
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self.insertFromDropPaste(stringPaste)
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# Drag and drop
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def dropEvent(self, e):
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if e.mimeData().hasText():
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stringDrag = e.mimeData().text()
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self.insertFromDropPaste(stringDrag)
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self.setFocus()
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e.setDropAction(Qt.CopyAction)
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e.accept()
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else:
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QsciScintilla.dropEvent(self, e)
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def insertFromDropPaste(self, textDP):
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pasteList = textDP.splitlines()
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if pasteList:
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for line in pasteList[:-1]:
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cleanLine = line.replace(">>> ", "").replace("... ", "")
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self.insert(cleanLine)
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self.move_cursor_to_end()
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self.runCommand(self.text())
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if pasteList[-1] != "":
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line = pasteList[-1]
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cleanLine = line.replace(">>> ", "").replace("... ", "")
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curpos = self.getCursorPosition()
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self.insert(cleanLine)
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self.setCursorPosition(curpos[0], curpos[1] + len(cleanLine))
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def insertTextFromFile(self, listOpenFile):
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for line in listOpenFile[:-1]:
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self.append(line)
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self.move_cursor_to_end()
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self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
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self.runCommand(self.text())
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self.append(listOpenFile[-1])
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self.move_cursor_to_end()
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self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
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def entered(self):
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self.move_cursor_to_end()
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self.runCommand(self.text())
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self.setFocus()
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self.move_cursor_to_end()
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def runCommand(self, cmd):
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self.writeCMD(cmd)
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import webbrowser
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self.updateHistory(cmd)
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version = 'master' if 'master' in Qgis.QGIS_VERSION.lower() else re.findall(r'^\d.[0-9]*', Qgis.QGIS_VERSION)[0]
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if cmd in ('_pyqgis', '_api', '_cookbook'):
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if cmd == '_pyqgis':
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webbrowser.open("https://qgis.org/pyqgis/{}".format(version))
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elif cmd == '_api':
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webbrowser.open("https://qgis.org/api/{}".format('' if version == 'master' else version))
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elif cmd == '_cookbook':
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webbrowser.open("https://docs.qgis.org/{}/en/docs/pyqgis_developer_cookbook/".format(
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'testing' if version == 'master' else version))
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else:
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self.buffer.append(cmd)
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src = "\n".join(self.buffer)
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more = self.runsource(src)
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self.continuationLine = True
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if not more:
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self.continuationLine = False
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self.buffer = []
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# prevents to commands with more lines to break the console
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# in the case they have a eol different from '\n'
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self.setText('')
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self.move_cursor_to_end()
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self.displayPrompt(self.continuationLine)
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def write(self, txt):
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sys.stderr.write(txt)
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def writeCMD(self, txt):
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if sys.stdout:
|
|
sys.stdout.fire_keyboard_interrupt = False
|
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if len(txt) > 0:
|
|
prompt = "... " if self.continuationLine else ">>> "
|
|
sys.stdout.write(prompt + txt + '\n')
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|
|
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def runsource(self, source, filename='<input>', symbol='single'):
|
|
if sys.stdout:
|
|
sys.stdout.fire_keyboard_interrupt = False
|
|
hook = sys.excepthook
|
|
try:
|
|
def excepthook(etype, value, tb):
|
|
self.write("".join(traceback.format_exception(etype, value, tb)))
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|
|
|
sys.excepthook = excepthook
|
|
|
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return super(ShellScintilla, self).runsource(source, filename, symbol)
|
|
finally:
|
|
sys.excepthook = hook
|
|
|
|
|
|
class HistoryDialog(QDialog, Ui_HistoryDialogPythonConsole):
|
|
|
|
def __init__(self, parent):
|
|
QDialog.__init__(self, parent)
|
|
self.setupUi(self)
|
|
self.parent = parent
|
|
self.setWindowTitle(QCoreApplication.translate("PythonConsole",
|
|
"Python Console - Command History"))
|
|
self.listView.setToolTip(QCoreApplication.translate("PythonConsole",
|
|
"Double-click on item to execute"))
|
|
self.model = QStandardItemModel(self.listView)
|
|
|
|
self._reloadHistory()
|
|
|
|
self.deleteScut = QShortcut(QKeySequence(Qt.Key_Delete), self)
|
|
self.deleteScut.activated.connect(self._deleteItem)
|
|
self.listView.doubleClicked.connect(self._runHistory)
|
|
self.reloadHistory.clicked.connect(self._reloadHistory)
|
|
self.saveHistory.clicked.connect(self._saveHistory)
|
|
|
|
def _runHistory(self, item):
|
|
cmd = item.data(Qt.DisplayRole)
|
|
self.parent.runCommand(cmd)
|
|
|
|
def _saveHistory(self):
|
|
self.parent.writeHistoryFile(True)
|
|
|
|
def _reloadHistory(self):
|
|
self.model.clear()
|
|
for i in self.parent.history:
|
|
item = QStandardItem(i)
|
|
if sys.platform.startswith('win'):
|
|
item.setSizeHint(QSize(18, 18))
|
|
self.model.appendRow(item)
|
|
|
|
self.listView.setModel(self.model)
|
|
self.listView.scrollToBottom()
|
|
|
|
def _deleteItem(self):
|
|
itemsSelected = self.listView.selectionModel().selectedIndexes()
|
|
if itemsSelected:
|
|
item = itemsSelected[0].row()
|
|
# Remove item from the command history (just for the current session)
|
|
self.parent.history.pop(item)
|
|
self.parent.historyIndex -= 1
|
|
# Remove row from the command history dialog
|
|
self.model.removeRow(item)
|