2017-07-04 19:52:52 -04:00
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'''
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2017-07-06 12:40:03 -04:00
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Home to the Core class which tracks program state. Used by GUI & commandline
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2017-07-04 19:52:52 -04:00
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'''
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2017-06-06 11:14:39 -04:00
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import sys
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import os
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2017-06-23 18:38:05 -04:00
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from PyQt5 import QtCore, QtGui, uic
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2015-03-02 16:47:52 -05:00
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import subprocess as sp
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import numpy
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2017-06-07 12:59:59 -04:00
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import json
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2017-06-08 09:56:57 -04:00
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from importlib import import_module
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2017-06-23 18:38:05 -04:00
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from PyQt5.QtCore import QStandardPaths
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2015-03-02 16:47:52 -05:00
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2017-07-04 19:52:52 -04:00
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import toolkit
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2017-06-06 11:14:39 -04:00
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2015-03-02 16:47:52 -05:00
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2017-07-04 19:52:52 -04:00
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class Core:
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'''
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MainWindow and Command module both use an instance of this class
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to store the program state. This object tracks the components,
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opens projects and presets, and stores settings/paths to data.
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'''
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2017-06-06 11:14:39 -04:00
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def __init__(self):
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2017-06-23 18:38:05 -04:00
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self.dataDir = QStandardPaths.writableLocation(
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QStandardPaths.AppConfigLocation
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)
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2017-06-08 16:50:48 -04:00
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self.presetDir = os.path.join(self.dataDir, 'presets')
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2017-06-23 03:39:56 -04:00
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if getattr(sys, 'frozen', False):
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# frozen
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self.wd = os.path.dirname(sys.executable)
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else:
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# unfrozen
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self.wd = os.path.dirname(os.path.realpath(__file__))
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2017-06-24 23:12:41 -04:00
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self.componentsPath = os.path.join(self.wd, 'components')
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2017-06-25 14:27:56 -04:00
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self.settings = QtCore.QSettings(
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os.path.join(self.dataDir, 'settings.ini'),
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QtCore.QSettings.IniFormat
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)
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2017-06-23 03:39:56 -04:00
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2017-06-07 12:59:59 -04:00
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self.loadEncoderOptions()
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2017-07-04 19:52:52 -04:00
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self.videoFormats = toolkit.appendUppercase([
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2017-06-15 22:15:03 -04:00
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'*.mp4',
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'*.mov',
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'*.mkv',
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'*.avi',
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'*.webm',
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'*.flv',
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])
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2017-07-04 19:52:52 -04:00
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self.audioFormats = toolkit.appendUppercase([
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2017-06-15 22:15:03 -04:00
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'*.mp3',
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'*.wav',
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'*.ogg',
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'*.fla',
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2017-06-18 14:46:08 -04:00
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'*.flac',
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2017-06-15 22:15:03 -04:00
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'*.aac',
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])
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2017-07-04 19:52:52 -04:00
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self.imageFormats = toolkit.appendUppercase([
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2017-06-15 22:15:03 -04:00
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'*.png',
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'*.jpg',
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'*.tif',
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'*.tiff',
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'*.gif',
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'*.bmp',
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'*.ico',
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'*.xbm',
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'*.xpm',
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])
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2017-06-07 12:59:59 -04:00
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2017-07-02 14:19:15 -04:00
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self.FFMPEG_BIN = self.findFfmpeg()
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2017-06-11 23:29:13 -04:00
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self.findComponents()
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2017-06-08 09:56:57 -04:00
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self.selectedComponents = []
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2017-06-13 22:47:18 -04:00
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# copies of named presets to detect modification
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self.savedPresets = {}
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2017-06-08 09:56:57 -04:00
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def findComponents(self):
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def findComponents():
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2017-06-24 23:12:41 -04:00
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for f in sorted(os.listdir(self.componentsPath)):
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name, ext = os.path.splitext(f)
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if name.startswith("__"):
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continue
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elif ext == '.py':
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yield name
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self.modules = [
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import_module('components.%s' % name)
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for name in findComponents()
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]
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2017-06-25 18:12:16 -04:00
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# store canonical module names and indexes
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self.moduleIndexes = [i for i in range(len(self.modules))]
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2017-06-18 21:49:00 -04:00
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self.compNames = [mod.Component.__doc__ for mod in self.modules]
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self.altCompNames = []
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# store alternative names for modules
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for i, mod in enumerate(self.modules):
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if hasattr(mod.Component, 'names'):
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for name in mod.Component.names():
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self.altCompNames.append((name, i))
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2017-06-08 09:56:57 -04:00
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2017-06-12 22:34:37 -04:00
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def componentListChanged(self):
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for i, component in enumerate(self.selectedComponents):
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component.compPos = i
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2017-06-18 14:46:08 -04:00
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def insertComponent(self, compPos, moduleIndex, loader):
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'''Creates a new component'''
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if compPos < 0 or compPos > len(self.selectedComponents):
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2017-06-18 14:46:08 -04:00
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compPos = len(self.selectedComponents)
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2017-06-17 11:15:24 -04:00
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if len(self.selectedComponents) > 50:
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return None
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2017-06-12 22:34:37 -04:00
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component = self.modules[moduleIndex].Component(
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2017-06-24 23:12:41 -04:00
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moduleIndex, compPos, self
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)
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2017-06-08 09:56:57 -04:00
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self.selectedComponents.insert(
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compPos,
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2017-06-24 23:12:41 -04:00
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component
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)
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2017-06-12 22:34:37 -04:00
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self.componentListChanged()
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2017-06-18 14:46:08 -04:00
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# init component's widget for loading/saving presets
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self.selectedComponents[compPos].widget(loader)
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self.updateComponent(compPos)
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if hasattr(loader, 'insertComponent'):
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loader.insertComponent(compPos)
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2017-06-08 16:50:48 -04:00
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return compPos
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2017-06-08 09:56:57 -04:00
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def moveComponent(self, startI, endI):
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comp = self.selectedComponents.pop(startI)
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2017-06-13 22:47:18 -04:00
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self.selectedComponents.insert(endI, comp)
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2017-06-12 22:34:37 -04:00
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self.componentListChanged()
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2017-06-08 16:50:48 -04:00
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return endI
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2017-06-08 09:56:57 -04:00
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2017-06-12 22:34:37 -04:00
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def removeComponent(self, i):
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self.selectedComponents.pop(i)
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self.componentListChanged()
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2017-06-17 11:15:24 -04:00
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def clearComponents(self):
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self.selectedComponents = list()
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self.componentListChanged()
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2017-06-08 09:56:57 -04:00
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def updateComponent(self, i):
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2017-06-11 17:03:40 -04:00
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# print('updating %s' % self.selectedComponents[i])
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2017-06-08 09:56:57 -04:00
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self.selectedComponents[i].update()
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2017-06-11 23:29:13 -04:00
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def moduleIndexFor(self, compName):
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2017-06-25 18:12:16 -04:00
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try:
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index = self.compNames.index(compName)
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return self.moduleIndexes[index]
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except ValueError:
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for altName, modI in self.altCompNames:
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if altName == compName:
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return self.moduleIndexes[modI]
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2017-06-11 23:29:13 -04:00
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2017-06-18 14:46:08 -04:00
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def clearPreset(self, compIndex):
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2017-06-15 11:36:26 -04:00
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self.selectedComponents[compIndex].currentPreset = None
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2017-06-13 22:47:18 -04:00
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def openPreset(self, filepath, compIndex, presetName):
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'''Applies a preset to a specific component'''
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saveValueStore = self.getPreset(filepath)
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if not saveValueStore:
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return False
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2017-06-15 23:13:36 -04:00
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try:
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self.selectedComponents[compIndex].loadPreset(
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saveValueStore,
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presetName
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)
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except KeyError as e:
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print('preset missing value: %s' % e)
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2017-06-13 22:47:18 -04:00
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self.savedPresets[presetName] = dict(saveValueStore)
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return True
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2017-06-22 18:40:34 -04:00
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def getPresetDir(self, comp):
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return os.path.join(
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self.presetDir, str(comp), str(comp.version()))
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2017-06-13 22:47:18 -04:00
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def getPreset(self, filepath):
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'''Returns the preset dict stored at this filepath'''
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if not os.path.exists(filepath):
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return False
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with open(filepath, 'r') as f:
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for line in f:
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2017-07-04 19:52:52 -04:00
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saveValueStore = toolkit.presetFromString(line.strip())
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2017-06-13 22:47:18 -04:00
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break
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return saveValueStore
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2017-06-11 23:29:13 -04:00
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def openProject(self, loader, filepath):
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2017-06-22 18:40:34 -04:00
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''' loader is the object calling this method which must have
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its own showMessage(**kwargs) method for displaying errors.
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'''
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2017-06-22 20:31:04 -04:00
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if not os.path.exists(filepath):
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2017-06-25 14:27:56 -04:00
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loader.showMessage(msg='Project file not found.')
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2017-06-22 20:31:04 -04:00
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return
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2017-06-11 23:29:13 -04:00
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errcode, data = self.parseAvFile(filepath)
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if errcode == 0:
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2017-06-15 22:15:03 -04:00
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try:
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2017-06-25 14:27:56 -04:00
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if hasattr(loader, 'window'):
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2017-06-25 15:50:31 -04:00
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for widget, value in data['WindowFields']:
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2017-06-25 14:27:56 -04:00
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widget = eval('loader.window.%s' % widget)
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2017-06-25 15:31:42 -04:00
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widget.blockSignals(True)
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2017-06-25 15:50:31 -04:00
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widget.setText(value)
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2017-06-25 15:31:42 -04:00
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widget.blockSignals(False)
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2017-06-25 14:27:56 -04:00
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2017-06-25 15:50:31 -04:00
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for key, value in data['Settings']:
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self.settings.setValue(key, value)
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2017-06-25 14:27:56 -04:00
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for tup in data['Components']:
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2017-06-15 22:15:03 -04:00
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name, vers, preset = tup
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clearThis = False
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2017-06-24 23:40:32 -04:00
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modified = False
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2017-06-15 22:15:03 -04:00
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# add loaded named presets to savedPresets dict
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2017-06-23 23:00:24 -04:00
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if 'preset' in preset and preset['preset'] is not None:
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2017-06-15 22:15:03 -04:00
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nam = preset['preset']
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filepath2 = os.path.join(
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self.presetDir, name, str(vers), nam)
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origSaveValueStore = self.getPreset(filepath2)
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if origSaveValueStore:
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self.savedPresets[nam] = dict(origSaveValueStore)
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2017-06-24 23:40:32 -04:00
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modified = not origSaveValueStore == preset
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2017-06-15 22:15:03 -04:00
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else:
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# saved preset was renamed or deleted
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clearThis = True
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2017-06-18 14:46:08 -04:00
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# create the actual component object & get its index
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i = self.insertComponent(
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-1,
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self.moduleIndexFor(name),
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loader)
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2017-06-23 23:00:24 -04:00
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if i is None:
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2017-06-18 14:46:08 -04:00
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loader.showMessage(msg="Too many components!")
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2017-06-17 11:15:24 -04:00
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break
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2017-06-15 22:15:03 -04:00
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try:
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2017-06-23 23:00:24 -04:00
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if 'preset' in preset and preset['preset'] is not None:
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2017-06-17 11:15:24 -04:00
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self.selectedComponents[i].loadPreset(
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2017-06-15 22:15:03 -04:00
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preset
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)
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else:
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2017-06-17 11:15:24 -04:00
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self.selectedComponents[i].loadPreset(
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2017-06-15 22:15:03 -04:00
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preset,
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preset['preset']
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)
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except KeyError as e:
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2017-06-25 14:27:56 -04:00
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print('%s missing value: %s' % (
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2017-06-23 17:14:39 -04:00
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self.selectedComponents[i], e)
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)
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2017-06-15 11:36:26 -04:00
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2017-06-15 22:15:03 -04:00
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if clearThis:
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2017-06-18 14:46:08 -04:00
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self.clearPreset(i)
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if hasattr(loader, 'updateComponentTitle'):
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2017-06-24 23:40:32 -04:00
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loader.updateComponentTitle(i, modified)
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2017-06-25 14:27:56 -04:00
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2017-06-15 22:15:03 -04:00
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except:
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errcode = 1
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data = sys.exc_info()
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2017-06-15 11:36:26 -04:00
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2017-06-15 22:15:03 -04:00
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if errcode == 1:
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2017-06-25 14:27:56 -04:00
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typ, value, tb = data
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if typ.__name__ == 'KeyError':
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2017-06-11 23:29:13 -04:00
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# probably just an old version, still loadable
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print('file missing value: %s' % value)
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return
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2017-06-18 14:46:08 -04:00
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if hasattr(loader, 'createNewProject'):
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2017-06-25 18:12:16 -04:00
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loader.createNewProject(prompt=False)
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2017-06-25 14:27:56 -04:00
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import traceback
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msg = '%s: %s\n\nTraceback:\n' % (typ.__name__, value)
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msg += "\n".join(traceback.format_tb(tb))
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2017-06-11 23:29:13 -04:00
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loader.showMessage(
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msg="Project file '%s' is corrupted." % filepath,
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showCancel=False,
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2017-06-25 14:27:56 -04:00
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icon='Warning',
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2017-06-11 23:29:13 -04:00
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detail=msg)
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def parseAvFile(self, filepath):
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'''Parses an avp (project) or avl (preset package) file.
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2017-06-22 18:40:34 -04:00
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Returns dictionary with section names as the keys, each one
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contains a list of tuples: (compName, version, compPresetDict)
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'''
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2017-06-25 15:50:31 -04:00
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validSections = (
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'Components',
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'Settings',
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'WindowFields'
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)
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data = {sect: [] for sect in validSections}
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2017-06-11 23:29:13 -04:00
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try:
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with open(filepath, 'r') as f:
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def parseLine(line):
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2017-06-22 18:40:34 -04:00
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'''Decides if a file line is a section header'''
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2017-06-11 23:29:13 -04:00
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line = line.strip()
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newSection = ''
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|
if line.startswith('[') and line.endswith(']') \
|
|
|
|
and line[1:-1] in validSections:
|
|
|
|
newSection = line[1:-1]
|
|
|
|
|
|
|
|
return line, newSection
|
|
|
|
|
|
|
|
section = ''
|
|
|
|
i = 0
|
|
|
|
for line in f:
|
|
|
|
line, newSection = parseLine(line)
|
|
|
|
if newSection:
|
|
|
|
section = str(newSection)
|
|
|
|
continue
|
|
|
|
if line and section == 'Components':
|
|
|
|
if i == 0:
|
|
|
|
lastCompName = str(line)
|
|
|
|
i += 1
|
|
|
|
elif i == 1:
|
|
|
|
lastCompVers = str(line)
|
|
|
|
i += 1
|
|
|
|
elif i == 2:
|
2017-07-04 19:52:52 -04:00
|
|
|
lastCompPreset = toolkit.presetFromString(line)
|
2017-06-23 23:00:24 -04:00
|
|
|
data[section].append((
|
|
|
|
lastCompName,
|
2017-06-11 23:29:13 -04:00
|
|
|
lastCompVers,
|
2017-06-23 23:00:24 -04:00
|
|
|
lastCompPreset
|
|
|
|
))
|
2017-06-11 23:29:13 -04:00
|
|
|
i = 0
|
2017-06-25 14:27:56 -04:00
|
|
|
elif line and section:
|
2017-06-25 15:50:31 -04:00
|
|
|
key, value = line.split('=', 1)
|
|
|
|
data[section].append((key, value.strip()))
|
|
|
|
|
2017-06-11 23:29:13 -04:00
|
|
|
return 0, data
|
|
|
|
except:
|
|
|
|
return 1, sys.exc_info()
|
2017-06-08 16:50:48 -04:00
|
|
|
|
2017-06-08 22:56:33 -04:00
|
|
|
def importPreset(self, filepath):
|
2017-06-11 23:29:13 -04:00
|
|
|
errcode, data = self.parseAvFile(filepath)
|
|
|
|
returnList = []
|
|
|
|
if errcode == 0:
|
|
|
|
name, vers, preset = data['Components'][0]
|
|
|
|
presetName = preset['preset'] \
|
|
|
|
if preset['preset'] else os.path.basename(filepath)[:-4]
|
|
|
|
newPath = os.path.join(
|
|
|
|
self.presetDir,
|
|
|
|
name,
|
|
|
|
vers,
|
|
|
|
presetName
|
|
|
|
)
|
|
|
|
if os.path.exists(newPath):
|
|
|
|
return False, newPath
|
|
|
|
preset['preset'] = presetName
|
|
|
|
self.createPresetFile(
|
|
|
|
name, vers, presetName, preset
|
|
|
|
)
|
|
|
|
return True, presetName
|
|
|
|
elif errcode == 1:
|
|
|
|
# TODO: an error message
|
|
|
|
return False, ''
|
2017-06-08 22:56:33 -04:00
|
|
|
|
2017-06-10 14:52:01 -04:00
|
|
|
def exportPreset(self, exportPath, compName, vers, origName):
|
2017-06-23 23:00:24 -04:00
|
|
|
internalPath = os.path.join(
|
|
|
|
self.presetDir, compName, str(vers), origName
|
|
|
|
)
|
2017-06-10 14:52:01 -04:00
|
|
|
if not os.path.exists(internalPath):
|
|
|
|
return
|
|
|
|
if os.path.exists(exportPath):
|
|
|
|
os.remove(exportPath)
|
|
|
|
with open(internalPath, 'r') as f:
|
|
|
|
internalData = [line for line in f]
|
|
|
|
try:
|
2017-07-04 19:52:52 -04:00
|
|
|
saveValueStore = toolkit.presetFromString(internalData[0].strip())
|
2017-06-10 14:52:01 -04:00
|
|
|
self.createPresetFile(
|
|
|
|
compName, vers,
|
|
|
|
origName, saveValueStore,
|
|
|
|
exportPath
|
|
|
|
)
|
2017-06-11 12:52:29 -04:00
|
|
|
return True
|
2017-06-10 14:52:01 -04:00
|
|
|
except:
|
2017-06-11 12:52:29 -04:00
|
|
|
return False
|
2017-06-10 14:52:01 -04:00
|
|
|
|
|
|
|
def createPresetFile(
|
2017-06-23 23:00:24 -04:00
|
|
|
self, compName, vers, presetName, saveValueStore, filepath=''):
|
2017-06-10 14:52:01 -04:00
|
|
|
'''Create a preset file (.avl) at filepath using args.
|
2017-06-22 18:40:34 -04:00
|
|
|
Or if filepath is empty, create an internal preset using args'''
|
2017-06-10 14:52:01 -04:00
|
|
|
if not filepath:
|
|
|
|
dirname = os.path.join(self.presetDir, compName, str(vers))
|
|
|
|
if not os.path.exists(dirname):
|
|
|
|
os.makedirs(dirname)
|
|
|
|
filepath = os.path.join(dirname, presetName)
|
|
|
|
internal = True
|
|
|
|
else:
|
|
|
|
if not filepath.endswith('.avl'):
|
|
|
|
filepath += '.avl'
|
|
|
|
internal = False
|
|
|
|
|
|
|
|
with open(filepath, 'w') as f:
|
|
|
|
if not internal:
|
|
|
|
f.write('[Components]\n')
|
|
|
|
f.write('%s\n' % compName)
|
|
|
|
f.write('%s\n' % str(vers))
|
2017-07-04 19:52:52 -04:00
|
|
|
f.write(toolkit.presetToString(saveValueStore))
|
2017-06-10 14:52:01 -04:00
|
|
|
|
2017-06-25 14:27:56 -04:00
|
|
|
def createProjectFile(self, filepath, window=None):
|
2017-06-10 14:52:01 -04:00
|
|
|
'''Create a project file (.avp) using the current program state'''
|
2017-06-25 16:13:54 -04:00
|
|
|
settingsKeys = [
|
|
|
|
'componentDir',
|
|
|
|
'inputDir',
|
|
|
|
'outputDir',
|
|
|
|
'presetDir',
|
|
|
|
'projectDir',
|
2017-06-25 14:27:56 -04:00
|
|
|
]
|
2017-06-10 14:52:01 -04:00
|
|
|
try:
|
|
|
|
if not filepath.endswith(".avp"):
|
|
|
|
filepath += '.avp'
|
|
|
|
if os.path.exists(filepath):
|
|
|
|
os.remove(filepath)
|
|
|
|
with open(filepath, 'w') as f:
|
|
|
|
print('creating %s' % filepath)
|
2017-06-25 14:27:56 -04:00
|
|
|
|
2017-06-10 14:52:01 -04:00
|
|
|
f.write('[Components]\n')
|
|
|
|
for comp in self.selectedComponents:
|
|
|
|
saveValueStore = comp.savePreset()
|
|
|
|
f.write('%s\n' % str(comp))
|
|
|
|
f.write('%s\n' % str(comp.version()))
|
2017-07-04 19:52:52 -04:00
|
|
|
f.write('%s\n' % toolkit.presetToString(saveValueStore))
|
2017-06-25 14:27:56 -04:00
|
|
|
|
2017-06-25 15:34:33 -04:00
|
|
|
f.write('\n[Settings]\n')
|
2017-06-25 14:27:56 -04:00
|
|
|
for key in self.settings.allKeys():
|
2017-06-25 16:13:54 -04:00
|
|
|
if key in settingsKeys:
|
2017-06-25 14:27:56 -04:00
|
|
|
f.write('%s=%s\n' % (key, self.settings.value(key)))
|
|
|
|
|
|
|
|
if window:
|
2017-06-25 15:34:33 -04:00
|
|
|
f.write('\n[WindowFields]\n')
|
2017-06-25 14:27:56 -04:00
|
|
|
f.write(
|
|
|
|
'lineEdit_audioFile=%s\n'
|
|
|
|
'lineEdit_outputFile=%s\n' % (
|
|
|
|
window.lineEdit_audioFile.text(),
|
|
|
|
window.lineEdit_outputFile.text()
|
|
|
|
)
|
|
|
|
)
|
2017-06-10 14:52:01 -04:00
|
|
|
return True
|
|
|
|
except:
|
|
|
|
return False
|
2017-06-08 22:56:33 -04:00
|
|
|
|
2017-06-07 12:59:59 -04:00
|
|
|
def loadEncoderOptions(self):
|
|
|
|
file_path = os.path.join(self.wd, 'encoder-options.json')
|
|
|
|
with open(file_path) as json_file:
|
|
|
|
self.encoder_options = json.load(json_file)
|
2017-06-06 11:14:39 -04:00
|
|
|
|
|
|
|
def findFfmpeg(self):
|
2017-07-02 14:19:15 -04:00
|
|
|
if getattr(sys, 'frozen', False):
|
|
|
|
# The application is frozen
|
|
|
|
if sys.platform == "win32":
|
|
|
|
return os.path.join(self.wd, 'ffmpeg.exe')
|
|
|
|
else:
|
|
|
|
return os.path.join(self.wd, 'ffmpeg')
|
|
|
|
|
2017-06-06 11:14:39 -04:00
|
|
|
else:
|
2017-07-02 14:19:15 -04:00
|
|
|
if sys.platform == "win32":
|
2017-07-09 01:10:06 -04:00
|
|
|
return "ffmpeg"
|
2017-07-02 14:19:15 -04:00
|
|
|
else:
|
|
|
|
try:
|
|
|
|
with open(os.devnull, "w") as f:
|
2017-07-09 01:10:06 -04:00
|
|
|
toolkit.checkOutput(
|
|
|
|
['ffmpeg', '-version'], stderr=f
|
2017-07-04 19:52:52 -04:00
|
|
|
)
|
2017-07-02 14:19:15 -04:00
|
|
|
return "ffmpeg"
|
2017-07-09 01:10:06 -04:00
|
|
|
except sp.CalledProcessError:
|
2017-07-02 14:19:15 -04:00
|
|
|
return "avconv"
|
2017-06-06 11:14:39 -04:00
|
|
|
|
|
|
|
def readAudioFile(self, filename, parent):
|
|
|
|
command = [self.FFMPEG_BIN, '-i', filename]
|
|
|
|
|
|
|
|
try:
|
2017-07-04 19:52:52 -04:00
|
|
|
fileInfo = toolkit.checkOutput(command, stderr=sp.STDOUT)
|
2017-06-06 11:14:39 -04:00
|
|
|
except sp.CalledProcessError as ex:
|
|
|
|
fileInfo = ex.output
|
|
|
|
|
|
|
|
info = fileInfo.decode("utf-8").split('\n')
|
|
|
|
for line in info:
|
|
|
|
if 'Duration' in line:
|
|
|
|
d = line.split(',')[0]
|
|
|
|
d = d.split(' ')[3]
|
|
|
|
d = d.split(':')
|
|
|
|
duration = float(d[0])*3600 + float(d[1])*60 + float(d[2])
|
|
|
|
|
|
|
|
command = [
|
|
|
|
self.FFMPEG_BIN,
|
|
|
|
'-i', filename,
|
|
|
|
'-f', 's16le',
|
|
|
|
'-acodec', 'pcm_s16le',
|
|
|
|
'-ar', '44100', # ouput will have 44100 Hz
|
|
|
|
'-ac', '1', # mono (set to '2' for stereo)
|
|
|
|
'-']
|
2017-07-04 19:52:52 -04:00
|
|
|
in_pipe = toolkit.openPipe(
|
2017-06-06 11:14:39 -04:00
|
|
|
command, stdout=sp.PIPE, stderr=sp.DEVNULL, bufsize=10**8)
|
|
|
|
|
|
|
|
completeAudioArray = numpy.empty(0, dtype="int16")
|
|
|
|
|
|
|
|
progress = 0
|
|
|
|
lastPercent = None
|
|
|
|
while True:
|
|
|
|
if self.canceled:
|
|
|
|
break
|
|
|
|
# read 2 seconds of audio
|
|
|
|
progress = progress + 4
|
|
|
|
raw_audio = in_pipe.stdout.read(88200*4)
|
|
|
|
if len(raw_audio) == 0:
|
|
|
|
break
|
|
|
|
audio_array = numpy.fromstring(raw_audio, dtype="int16")
|
|
|
|
completeAudioArray = numpy.append(completeAudioArray, audio_array)
|
|
|
|
|
|
|
|
percent = int(100*(progress/duration))
|
|
|
|
if percent >= 100:
|
|
|
|
percent = 100
|
|
|
|
|
|
|
|
if lastPercent != percent:
|
|
|
|
string = 'Loading audio file: '+str(percent)+'%'
|
|
|
|
parent.progressBarSetText.emit(string)
|
|
|
|
parent.progressBarUpdate.emit(percent)
|
|
|
|
|
|
|
|
lastPercent = percent
|
|
|
|
|
|
|
|
in_pipe.kill()
|
|
|
|
in_pipe.wait()
|
|
|
|
|
|
|
|
# add 0s the end
|
|
|
|
completeAudioArrayCopy = numpy.zeros(
|
|
|
|
len(completeAudioArray) + 44100, dtype="int16")
|
|
|
|
completeAudioArrayCopy[:len(completeAudioArray)] = completeAudioArray
|
|
|
|
completeAudioArray = completeAudioArrayCopy
|
|
|
|
|
|
|
|
return completeAudioArray
|
|
|
|
|
|
|
|
def cancel(self):
|
|
|
|
self.canceled = True
|
|
|
|
|
|
|
|
def reset(self):
|
|
|
|
self.canceled = False
|