Ad5001
e5b7e0c129
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This reverts commit 29ecc0585d.
210 lines
7.3 KiB
Python
210 lines
7.3 KiB
Python
"""
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* LogarithmPlotter - Create graphs with logarithm scales.
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* Copyright (C) 2021 Ad5001
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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 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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from time import time
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start_time = time()
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from PySide2.QtWidgets import QApplication, QFileDialog
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from PySide2.QtQml import QQmlApplicationEngine, qmlRegisterType
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from PySide2.QtCore import Qt, QObject, Signal, Slot, Property
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from PySide2.QtGui import QIcon, QImage, QKeySequence
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from PySide2 import __version__ as PySide2_version
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from tempfile import mkstemp
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from os import getcwd, chdir, environ, path, remove, close
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from platform import release as os_release
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from json import dumps, loads
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from sys import platform, argv, version as sys_version, exit
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from webbrowser import open as openWeb
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# Create the temporary file for saving copied screenshots
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fd, tmpfile = mkstemp(suffix='.png')
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pwd = getcwd()
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chdir(path.dirname(path.realpath(__file__)))
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from sys import path as sys_path
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if path.realpath(path.join(getcwd(), "..")) not in sys_path:
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sys_path.append(path.realpath(path.join(getcwd(), "..")))
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from LogarithmPlotter import config, native, __VERSION__
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from LogarithmPlotter.update import check_for_updates
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config.init()
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def get_linux_theme():
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des = {
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"KDE": "org.kde.desktop",
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"gnome": "default",
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"lxqt": "fusion",
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"mate": "fusion",
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}
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if "XDG_SESSION_DESKTOP" in environ:
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return des[environ["XDG_SESSION_DESKTOP"]] if environ["XDG_SESSION_DESKTOP"] in des else "fusion"
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else:
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# Android
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return "Material"
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class Helper(QObject):
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@Slot(str, str)
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def write(self, filename, filedata):
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chdir(pwd)
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if path.exists(path.dirname(path.realpath(filename))):
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if filename.split(".")[-1] == "lpf":
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# Add header to file
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filedata = "LPFv1" + filedata
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f = open(path.realpath(filename), 'w', -1, 'utf8')
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f.write(filedata)
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f.close()
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chdir(path.dirname(path.realpath(__file__)))
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@Slot(str, result=str)
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def load(self, filename):
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chdir(pwd)
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data = '{}'
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if path.exists(path.realpath(filename)):
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f = open(path.realpath(filename), 'r', -1, 'utf8')
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data = f.read()
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f.close()
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try:
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if data[:5] == "LPFv1":
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# V1 version of the file
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data = data[5:]
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elif data[0] == "{" and "type" in loads(data) and loads(data)["type"] == "logplotv1":
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pass
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else:
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raise Exception("Invalid LogarithmPlotter file.")
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except Exception as e: # If file can't be loaded
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from PySide2.QtWidgets import QMessageBox
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QMessageBox.warning(None, 'LogarithmPlotter', 'Could not open file "{}":\n{}'.format(filename, e), QMessageBox.Ok) # Cannot parse file
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else:
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QMessageBox.warning(None, 'LogarithmPlotter', 'Could not open file: "{}"\nFile does not exist.'.format(filename), QMessageBox.Ok) # Cannot parse file
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chdir(path.dirname(path.realpath(__file__)))
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return data
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@Slot(result=str)
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def gettmpfile(self):
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global tmpfile
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return tmpfile
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@Slot()
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def copyImageToClipboard(self):
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global tmpfile
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clipboard = QApplication.clipboard()
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clipboard.setImage(QImage(tmpfile))
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@Slot(result=str)
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def getVersion(self):
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return __VERSION__
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@Slot(str, result=str)
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def getSetting(self, namespace):
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return config.getSetting(namespace)
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@Slot(str, result=bool)
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def getSettingBool(self, namespace):
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return config.getSetting(namespace)
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@Slot(str, str)
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def setSetting(self, namespace, value):
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return config.setSetting(namespace, value)
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@Slot(str, bool)
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def setSettingBool(self, namespace, value):
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return config.setSetting(namespace, value)
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@Slot(result=str)
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def getDebugInfos(self):
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"""
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Returns the version info about Qt, PySide2 & Python
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"""
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return "Built with PySide2 (Qt) v{} and python v{}".format(PySide2_version, sys_version.split("\n")[0])
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@Slot(str)
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def openUrl(self, url):
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openWeb(url)
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def run():
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environ["QT_QUICK_CONTROLS_STYLE"] = {
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"linux": get_linux_theme(),
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"freebsd": get_linux_theme(),
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"win32": "universal" if os_release == "10" else "fusion",
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"cygwin": "fusion",
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"darwin": "default"
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}[platform]
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dep_time = time()
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print("Loaded dependencies in " + str((dep_time - start_time)*1000) + "ms.")
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icon_fallbacks = QIcon.fallbackSearchPaths();
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icon_fallbacks.append(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "icons")))
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icon_fallbacks.append(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "icons", "settings")))
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icon_fallbacks.append(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "icons", "settings", "custom")))
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QIcon.setFallbackSearchPaths(icon_fallbacks);
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app = QApplication(argv)
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app.setApplicationName("LogarithmPlotter")
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app.setOrganizationName("Ad5001")
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app.setWindowIcon(QIcon(path.realpath(path.join(getcwd(), "logarithmplotter.svg"))))
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# Installing macOS file handler.
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macOSFileOpenHandler = None
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if platform == "darwin":
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macOSFileOpenHandler = native.MacOSFileOpenHandler()
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app.installEventFilter(macOSFileOpenHandler)
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engine = QQmlApplicationEngine()
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helper = Helper()
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engine.rootContext().setContextProperty("Helper", helper)
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engine.rootContext().setContextProperty("TestBuild", "--test-build" in argv)
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engine.rootContext().setContextProperty("StartTime", dep_time)
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engine.addImportPath(path.realpath(path.join(getcwd(), "qml")))
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engine.load(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "LogarithmPlotter.qml")))
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if not engine.rootObjects():
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print("No root object", path.realpath(path.join(getcwd(), "qml")))
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print(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "LogarithmPlotter.qml")))
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exit(-1)
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chdir(pwd)
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if len(argv) > 0 and path.exists(argv[-1]) and argv[-1].split('.')[-1] in ['lpf']:
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engine.rootObjects()[0].loadDiagram(argv[-1])
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chdir(path.dirname(path.realpath(__file__)))
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if platform == "darwin":
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macOSFileOpenHandler.init_graphics(engine.rootObjects()[0])
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# Check for updates
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if config.getSetting("check_for_updates"):
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check_for_updates(__VERSION__, engine.rootObjects()[0])
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exit_code = app.exec_()
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close(fd)
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remove(tmpfile)
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config.save()
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exit(exit_code)
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if __name__ == "__main__":
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run()
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