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console_output.py
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# -*- coding:utf-8 -*-
"""
/***************************************************************************
Python Console for QGIS
-------------------
begin : 2012-09-10
copyright : (C) 2012 by Salvatore Larosa
email : lrssvtml (at) gmail (dot) com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
Some portions of code were taken from https://code.google.com/p/pydee/
"""
from qgis.PyQt.QtCore import Qt, QCoreApplication, QThread, QMetaObject, Q_RETURN_ARG, Q_ARG, QObject, pyqtSlot
from qgis.PyQt.QtGui import QColor, QFont, QKeySequence, QFontDatabase
from qgis.PyQt.QtWidgets import QGridLayout, QSpacerItem, QSizePolicy, QShortcut, QMenu, QApplication
from qgis.PyQt.Qsci import QsciScintilla, QsciLexerPython
from qgis.core import Qgis, QgsApplication, QgsSettings
from qgis.gui import QgsMessageBar
import sys
class writeOut(QObject):
ERROR_COLOR = "#e31a1c"
def __init__(self, shellOut, out=None, style=None):
"""
This class allows writing to stdout and stderr
"""
super().__init__()
self.sO = shellOut
self.out = None
self.style = style
self.fire_keyboard_interrupt = False
@pyqtSlot(str)
def write(self, m):
# This manage the case when console is called from another thread
if QThread.currentThread() != QCoreApplication.instance().thread():
QMetaObject.invokeMethod(self, "write", Qt.QueuedConnection, Q_ARG(str, m))
return
if self.style == "_traceback":
# Show errors in red
stderrColor = QColor(self.sO.settings.value("pythonConsole/stderrFontColor", QColor(self.ERROR_COLOR)))
self.sO.SendScintilla(QsciScintilla.SCI_STYLESETFORE, 0o01, stderrColor)
self.sO.SendScintilla(QsciScintilla.SCI_STYLESETITALIC, 0o01, True)
self.sO.SendScintilla(QsciScintilla.SCI_STYLESETBOLD, 0o01, True)
pos = self.sO.SendScintilla(QsciScintilla.SCI_GETCURRENTPOS)
self.sO.SendScintilla(QsciScintilla.SCI_STARTSTYLING, pos, 31)
self.sO.append(m)
self.sO.SendScintilla(QsciScintilla.SCI_SETSTYLING, len(m), 0o01)
else:
self.sO.append(m)
if self.out:
self.out.write(m)
self.move_cursor_to_end()
if self.style != "_traceback":
self.sO.repaint()
if self.fire_keyboard_interrupt:
self.fire_keyboard_interrupt = False
raise KeyboardInterrupt
def move_cursor_to_end(self):
"""Move cursor to end of text"""
line, index = self.get_end_pos()
self.sO.setCursorPosition(line, index)
self.sO.ensureCursorVisible()
self.sO.ensureLineVisible(line)
def get_end_pos(self):
"""Return (line, index) position of the last character"""
line = self.sO.lines() - 1
return (line, len(self.sO.text(line)))
def flush(self):
pass
def isatty(self):
return False
class ShellOutputScintilla(QsciScintilla):
DEFAULT_COLOR = "#4d4d4c"
KEYWORD_COLOR = "#8959a8"
CLASS_COLOR = "#4271ae"
METHOD_COLOR = "#4271ae"
DECORATION_COLOR = "#3e999f"
NUMBER_COLOR = "#c82829"
COMMENT_COLOR = "#8e908c"
COMMENT_BLOCK_COLOR = "#8e908c"
BACKGROUND_COLOR = "#ffffff"
CURSOR_COLOR = "#636363"
CARET_LINE_COLOR = "#efefef"
SINGLE_QUOTE_COLOR = "#718c00"
DOUBLE_QUOTE_COLOR = "#718c00"
TRIPLE_SINGLE_QUOTE_COLOR = "#eab700"
TRIPLE_DOUBLE_QUOTE_COLOR = "#eab700"
MARGIN_BACKGROUND_COLOR = "#efefef"
MARGIN_FOREGROUND_COLOR = "#636363"
SELECTION_BACKGROUND_COLOR = "#d7d7d7"
SELECTION_FOREGROUND_COLOR = "#303030"
MATCHED_BRACE_BACKGROUND_COLOR = "#b7f907"
MATCHED_BRACE_FOREGROUND_COLOR = "#303030"
def __init__(self, parent=None):
super(ShellOutputScintilla, self).__init__(parent)
self.parent = parent
self.shell = self.parent.shell
self.settings = QgsSettings()
# Creates layout for message bar
self.layout = QGridLayout(self)
self.layout.setContentsMargins(0, 0, 0, 0)
spacerItem = QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding)
self.layout.addItem(spacerItem, 1, 0, 1, 1)
# messageBar instance
self.infoBar = QgsMessageBar()
sizePolicy = QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.infoBar.setSizePolicy(sizePolicy)
self.layout.addWidget(self.infoBar, 0, 0, 1, 1)
# Enable non-ascii chars for editor
self.setUtf8(True)
sys.stdout = writeOut(self, sys.stdout)
sys.stderr = writeOut(self, sys.stderr, "_traceback")
self.insertInitText()
self.refreshSettingsOutput()
self.setReadOnly(True)
# Set the default font
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
self.setFont(font)
self.setMarginsFont(font)
# Margin 0 is used for line numbers
self.setMarginWidth(0, 0)
self.setMarginWidth(1, 0)
self.setMarginWidth(2, 0)
#fm = QFontMetrics(font)
self.setMarginsFont(font)
self.setMarginWidth(1, "00000")
self.setMarginLineNumbers(1, True)
self.setCaretLineVisible(True)
self.setCaretWidth(0)
self.setMinimumHeight(120)
self.setWrapMode(QsciScintilla.WrapCharacter)
self.SendScintilla(QsciScintilla.SCI_SETHSCROLLBAR, 0)
self.runScut = QShortcut(QKeySequence(Qt.CTRL + Qt.Key_E), self)
self.runScut.setContext(Qt.WidgetShortcut)
self.runScut.activated.connect(self.enteredSelected)
# Reimplemented copy action to prevent paste prompt (>>>,...) in command view
self.copyShortcut = QShortcut(QKeySequence.Copy, self)
self.copyShortcut.activated.connect(self.copy)
self.selectAllShortcut = QShortcut(QKeySequence.SelectAll, self)
self.selectAllShortcut.activated.connect(self.selectAll)
def insertInitText(self):
txtInit = QCoreApplication.translate("PythonConsole",
"Python Console\n"
"Use iface to access QGIS API interface or Type help(iface) for more info\n"
"Security warning: typing commands from an untrusted source can lead to data loss and/or leak")
# some translation string for the console header ends without '\n'
# and the first command in console will be appended at the header text.
# The following code add a '\n' at the end of the string if not present.
if txtInit.endswith('\n'):
self.setText(txtInit)
else:
self.setText(txtInit + '\n')
def refreshSettingsOutput(self):
# Set Python lexer
self.setLexers()
self.setSelectionForegroundColor(QColor(self.settings.value("pythonConsole/selectionForegroundColor", QColor(self.SELECTION_FOREGROUND_COLOR))))
self.setSelectionBackgroundColor(QColor(self.settings.value("pythonConsole/selectionBackgroundColor", QColor(self.SELECTION_BACKGROUND_COLOR))))
self.setMarginsForegroundColor(QColor(self.settings.value("pythonConsole/marginForegroundColor", QColor(self.MARGIN_FOREGROUND_COLOR))))
self.setMarginsBackgroundColor(QColor(self.settings.value("pythonConsole/marginBackgroundColor", QColor(self.MARGIN_BACKGROUND_COLOR))))
caretLineColor = self.settings.value("pythonConsole/caretLineColor", QColor(self.CARET_LINE_COLOR))
cursorColor = self.settings.value("pythonConsole/cursorColor", QColor(self.CURSOR_COLOR))
self.setCaretLineBackgroundColor(caretLineColor)
self.setCaretForegroundColor(cursorColor)
def setLexers(self):
self.lexer = QsciLexerPython()
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
loadFont = self.settings.value("pythonConsole/fontfamilytext")
if loadFont:
font.setFamily(loadFont)
fontSize = self.settings.value("pythonConsole/fontsize", type=int)
if fontSize:
font.setPointSize(fontSize)
self.lexer.setDefaultFont(font)
self.lexer.setDefaultColor(QColor(self.settings.value("pythonConsole/defaultFontColor", QColor(self.DEFAULT_COLOR))))
self.lexer.setColor(QColor(self.settings.value("pythonConsole/commentFontColor", QColor(self.COMMENT_COLOR))), 1)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/numberFontColor", QColor(self.NUMBER_COLOR))), 2)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/keywordFontColor", QColor(self.KEYWORD_COLOR))), 5)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/classFontColor", QColor(self.CLASS_COLOR))), 8)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/methodFontColor", QColor(self.METHOD_COLOR))), 9)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/decorFontColor", QColor(self.DECORATION_COLOR))), 15)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/commentBlockFontColor", QColor(self.COMMENT_BLOCK_COLOR))), 12)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/singleQuoteFontColor", QColor(self.SINGLE_QUOTE_COLOR))), 4)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/doubleQuoteFontColor", QColor(self.DOUBLE_QUOTE_COLOR))), 3)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/tripleSingleQuoteFontColor", QColor(self.TRIPLE_SINGLE_QUOTE_COLOR))), 6)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/tripleDoubleQuoteFontColor", QColor(self.TRIPLE_DOUBLE_QUOTE_COLOR))), 7)
self.lexer.setColor(QColor(self.settings.value("pythonConsole/defaultFontColorEditor", QColor(self.DEFAULT_COLOR))), 13)
self.lexer.setColor(QColor(Qt.red), 14)
self.lexer.setFont(font, 1)
self.lexer.setFont(font, 2)
self.lexer.setFont(font, 3)
self.lexer.setFont(font, 4)
self.lexer.setFont(font, QsciLexerPython.UnclosedString)
for style in range(0, 33):
paperColor = QColor(self.settings.value("pythonConsole/paperBackgroundColor", QColor(self.BACKGROUND_COLOR)))
self.lexer.setPaper(paperColor, style)
self.setLexer(self.lexer)
def clearConsole(self):
self.setText('')
self.insertInitText()
self.shell.setFocus()
def contextMenuEvent(self, e):
menu = QMenu(self)
iconRun = QgsApplication.getThemeIcon("console/mIconRunConsole.svg")
iconClear = QgsApplication.getThemeIcon("console/iconClearConsole.svg")
iconHideTool = QgsApplication.getThemeIcon("console/iconHideToolConsole.svg")
iconSettings = QgsApplication.getThemeIcon("console/iconSettingsConsole.svg")
menu.addAction(iconHideTool,
QCoreApplication.translate("PythonConsole", "Hide/Show Toolbar"),
self.hideToolBar)
menu.addSeparator()
showEditorAction = menu.addAction(
QCoreApplication.translate("PythonConsole", "Show Editor"),
self.showEditor)
menu.addSeparator()
runAction = menu.addAction(iconRun,
QCoreApplication.translate("PythonConsole", "Enter Selected"),
self.enteredSelected,
QKeySequence(Qt.CTRL + Qt.Key_E))
clearAction = menu.addAction(iconClear,
QCoreApplication.translate("PythonConsole", "Clear Console"),
self.clearConsole)
menu.addSeparator()
copyAction = menu.addAction(
QCoreApplication.translate("PythonConsole", "Copy"),
self.copy, QKeySequence.Copy)
selectAllAction = menu.addAction(
QCoreApplication.translate("PythonConsole", "Select All"),
self.selectAll, QKeySequence.SelectAll)
menu.addSeparator()
menu.addAction(iconSettings,
QCoreApplication.translate("PythonConsole", "Options…"),
self.parent.openSettings)
runAction.setEnabled(False)
clearAction.setEnabled(False)
copyAction.setEnabled(False)
selectAllAction.setEnabled(False)
showEditorAction.setEnabled(True)
if self.hasSelectedText():
runAction.setEnabled(True)
copyAction.setEnabled(True)
if not self.text(3) == '':
selectAllAction.setEnabled(True)
clearAction.setEnabled(True)
if self.parent.tabEditorWidget.isVisible():
showEditorAction.setEnabled(False)
menu.exec_(self.mapToGlobal(e.pos()))
def hideToolBar(self):
tB = self.parent.toolBar
tB.hide() if tB.isVisible() else tB.show()
self.shell.setFocus()
def showEditor(self):
Ed = self.parent.splitterObj
if not Ed.isVisible():
Ed.show()
self.parent.showEditorButton.setChecked(True)
self.shell.setFocus()
def copy(self):
"""Copy text to clipboard... or keyboard interrupt"""
if self.hasSelectedText():
text = self.selectedText()
text = text.replace('>>> ', '').replace('... ', '').strip() # removing prompts
QApplication.clipboard().setText(text)
else:
raise KeyboardInterrupt
def enteredSelected(self):
cmd = self.selectedText()
self.shell.insertFromDropPaste(cmd)
self.shell.entered()
def keyPressEvent(self, e):
# empty text indicates possible shortcut key sequence so stay in output
txt = e.text()
if len(txt) and txt >= " ":
self.shell.append(txt)
self.shell.move_cursor_to_end()
self.shell.setFocus()
e.ignore()
else:
# possible shortcut key sequence, accept it
e.accept()
def widgetMessageBar(self, iface, text):
timeout = iface.messageTimeout()
self.infoBar.pushMessage(text, Qgis.Info, timeout)