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594 lines
23 KiB
Python
594 lines
23 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 PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from PyQt4.Qsci import (QsciScintilla,
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QsciScintillaBase,
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QsciLexerPython,
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QsciAPIs)
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import sys
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import os
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import code
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from qgis.core import QgsApplication
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from ui_console_history_dlg import Ui_HistoryDialogPythonConsole
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_init_commands = ["from qgis.core import *", "import qgis.utils",
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"from qgis.utils import iface"]
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_historyFile = unicode( QgsApplication.qgisSettingsDirPath() + "console_history.txt" )
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class ShellScintilla(QsciScintilla, 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 = QSettings()
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# Enable non-ascii chars for editor
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self.setUtf8(True)
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self.new_input_line = True
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self.setMarginWidth(0, 0)
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self.setMarginWidth(1, 0)
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self.setMarginWidth(2, 0)
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self.buffer = []
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self.displayPrompt(False)
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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.historyIndex = 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.setMatchedBraceBackgroundColor(QColor("#b7f907"))
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# Current line visible with special background color
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self.setCaretWidth(2)
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self.settingsShell()
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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.setMinimumHeight(20)
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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 settingsShell(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)
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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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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")
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autoCompEnabled = self.settings.value("pythonConsole/autoCompleteEnabled")
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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, command):
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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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line, pos = self.getCursorPosition()
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selCmdLenght = len(self.text(line))
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self.setSelection(line, 4, line, selCmdLenght)
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self.removeSelectedText()
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if command == "sextante":
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# import Sextante class
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self.append('import sextante')
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elif command == "qtCore":
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# import QtCore class
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self.append('from PyQt4.QtCore import *')
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elif command == "qtGui":
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# import QtGui class
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self.append('from PyQt4.QtGui import *')
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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 setLexers(self):
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self.lexer = QsciLexerPython()
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loadFont = self.settings.value("pythonConsole/fontfamilytext", "Monospace")
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fontSize = self.settings.value("pythonConsole/fontsize", 10, type=int)
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font = QFont(loadFont)
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font.setFixedPitch(True)
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font.setPointSize(fontSize)
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font.setStyleHint(QFont.TypeWriter)
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font.setStretch(QFont.SemiCondensed)
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font.setLetterSpacing(QFont.PercentageSpacing, 87.0)
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font.setBold(False)
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self.lexer.setDefaultFont(font)
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self.lexer.setColor(Qt.red, 1)
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self.lexer.setColor(Qt.darkGreen, 5)
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self.lexer.setColor(Qt.darkBlue, 15)
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self.lexer.setFont(font, 1)
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self.lexer.setFont(font, 3)
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self.lexer.setFont(font, 4)
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self.api = QsciAPIs(self.lexer)
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chekBoxAPI = self.settings.value("pythonConsole/preloadAPI", True, type=bool)
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if chekBoxAPI:
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self.api.loadPrepared( QgsApplication.pkgDataPath() + "/python/qsci_apis/pyqgis_master.pap" )
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else:
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apiPath = self.settings.value("pythonConsole/userAPI")
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for i in range(0, len(apiPath)):
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self.api.load(unicode(apiPath[i]))
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self.api.prepare()
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self.lexer.setAPIs(self.api)
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self.setLexer(self.lexer)
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## TODO: show completion list for file and directory
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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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N = 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_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_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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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 is_cursor_on_edition_zone(self):
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""" Return True if the cursor is in the edition zone """
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cline, cindex = self.getCursorPosition()
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return cline == self.lines() - 1 and cindex >= 4
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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.append("... ") if more else self.append(">>> ")
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self.move_cursor_to_end()
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def updateHistory(self, command):
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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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not command == self.history[-1]:
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self.history.append(command)
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self.historyIndex = len(self.history)
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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 = open(_historyFile, 'w')
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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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rH = open(_historyFile, 'r')
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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)
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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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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 = open(_historyFile, 'w')
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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.historyIndex < len(self.history) and self.history:
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line, pos = self.getCursorPosition()
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selCmdLenght = len(self.text(line))
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self.setSelection(line, 4, line, selCmdLenght)
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self.removeSelectedText()
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self.historyIndex += 1
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if self.historyIndex == len(self.history):
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self.insert("")
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pass
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else:
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self.insert(self.history[self.historyIndex])
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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.historyIndex > 0 and self.history:
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line, pos = self.getCursorPosition()
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selCmdLenght = len(self.text(line))
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self.setSelection(line, 4, line, selCmdLenght)
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self.removeSelectedText()
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self.historyIndex -= 1
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if self.historyIndex == len(self.history):
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self.insert("")
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else:
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self.insert(self.history[self.historyIndex])
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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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startLine, _, endLine, _ = self.getSelection()
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# handle invalid cursor position and multiline selections
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if not self.is_cursor_on_edition_zone() or startLine < endLine:
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# allow to copy and select
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if e.modifiers() & (Qt.ControlModifier | Qt.MetaModifier):
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if e.key() in (Qt.Key_C, Qt.Key_A):
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QsciScintilla.keyPressEvent(self, e)
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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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line, index = self.getCursorPosition()
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cmd = self.text(line)
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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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# check whether the cursor is moved out of the edition zone
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newline, newindex = self.getCursorPosition()
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if newline < line or newindex < 4:
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# fix selection and the cursor position
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if self.hasSelectedText():
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self.setSelection(line, self.getSelection()[3], line, 4)
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else:
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self.setCursorPosition(line, 4)
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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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# check whether the cursor is moved out of the edition zone
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_, newindex = self.getCursorPosition()
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if newindex < 4:
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# restore the prompt chars (if removed) and
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# fix the cursor position
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self.insert( cmd[:3-newindex] + " " )
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self.setCursorPosition(line, 4)
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self.recolor()
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elif (e.modifiers() & (Qt.ControlModifier | Qt.MetaModifier) and \
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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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if self.settings.value("pythonConsole/autoCloseBracket", True):
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t = unicode(e.text())
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## Close bracket automatically
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if t in self.opening:
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i = self.opening.index(t)
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self.insert(self.closing[i])
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QsciScintilla.keyPressEvent(self, e)
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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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showHistoryAction = subMenu.addAction(QCoreApplication.translate("PythonConsole",
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"Show"),
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self.showHistory, 'Ctrl+Shift+SPACE')
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subMenu.addSeparator()
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saveHistoryAction = subMenu.addAction(QCoreApplication.translate("PythonConsole",
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"Save"),
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self.writeHistoryFile)
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subMenu.addSeparator()
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clearHistoryAction = subMenu.addAction(QCoreApplication.translate("PythonConsole",
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"Clear File"),
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self.clearHistory)
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clearSessHistoryAction = subMenu.addAction(QCoreApplication.translate("PythonConsole",
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"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(QCoreApplication.translate("PythonConsole",
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"Copy"),
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self.copy, QKeySequence.Copy)
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pasteAction = menu.addAction(QCoreApplication.translate("PythonConsole",
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"Paste"),
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self.paste, QKeySequence.Paste)
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copyAction.setEnabled(False)
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pasteAction.setEnabled(False)
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if self.hasSelectedText():
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copyAction.setEnabled(True)
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if QApplication.clipboard().text():
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pasteAction.setEnabled(True)
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action = 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 = unicode(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 = unicode(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)
|
|
e.accept()
|
|
else:
|
|
QsciScintillaCompat.dropEvent(self, e)
|
|
|
|
def insertFromDropPaste(self, textDP):
|
|
pasteList = str(textDP).splitlines()
|
|
for line in pasteList[:-1]:
|
|
cleanLine = line.replace(">>> ", "").replace("... ", "")
|
|
self.insert(unicode(cleanLine))
|
|
self.move_cursor_to_end()
|
|
self.runCommand(unicode(self.currentCommand()))
|
|
if pasteList[-1] != "":
|
|
line = pasteList[-1]
|
|
cleanLine = line.replace(">>> ", "").replace("... ", "")
|
|
self.insert(unicode(cleanLine))
|
|
self.move_cursor_to_end()
|
|
|
|
def insertTextFromFile(self, listOpenFile):
|
|
for line in listOpenFile[:-1]:
|
|
self.append(line)
|
|
self.move_cursor_to_end()
|
|
self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
|
|
self.runCommand(unicode(self.currentCommand()))
|
|
self.append(unicode(listOpenFile[-1]))
|
|
self.move_cursor_to_end()
|
|
self.SendScintilla(QsciScintilla.SCI_DELETEBACK)
|
|
|
|
def entered(self):
|
|
self.move_cursor_to_end()
|
|
self.runCommand( unicode(self.currentCommand()) )
|
|
self.setFocus()
|
|
self.move_cursor_to_end()
|
|
|
|
def currentCommand(self):
|
|
linenr, index = self.getCursorPosition()
|
|
txtLength = len(self.text(linenr))
|
|
string = self.text()
|
|
cmdLine = string[4:]
|
|
cmd = unicode(cmdLine)
|
|
return cmd
|
|
|
|
def runCommand(self, cmd):
|
|
self.writeCMD(cmd)
|
|
import webbrowser
|
|
self.updateHistory(cmd)
|
|
if cmd in ('_pyqgis', '_api'):
|
|
if cmd == '_pyqgis':
|
|
webbrowser.open( "http://www.qgis.org/pyqgis-cookbook/" )
|
|
elif cmd == '_api':
|
|
webbrowser.open( "http://www.qgis.org/api/" )
|
|
if msgText:
|
|
self.parent.callWidgetMessageBar(msgText)
|
|
|
|
more = False
|
|
else:
|
|
self.buffer.append(cmd)
|
|
src = u"\n".join(self.buffer)
|
|
more = self.runsource(src, "<input>")
|
|
if not more:
|
|
self.buffer = []
|
|
## prevents to commands with more lines to break the console
|
|
## in the case they have a eol different from '\n'
|
|
self.setText('')
|
|
self.move_cursor_to_end()
|
|
self.displayPrompt(more)
|
|
|
|
def write(self, txt):
|
|
sys.stderr.write(txt)
|
|
|
|
def writeCMD(self, txt):
|
|
if len(txt) > 0:
|
|
getCmdString = self.text()
|
|
prompt = getCmdString[0:4]
|
|
sys.stdout.write(prompt+txt+'\n')
|
|
|
|
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.listView.doubleClicked.connect(self._runHistory)
|
|
self.reloadHistory.clicked.connect(self._reloadHistory)
|
|
|
|
def _runHistory(self, item):
|
|
cmd = item.data(Qt.DisplayRole)
|
|
self.parent.runCommand(unicode(cmd))
|
|
|
|
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()
|