140 lines
3.8 KiB
Python
140 lines
3.8 KiB
Python
'''
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Common functions
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'''
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from PyQt5 import QtWidgets
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import string
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import os
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import sys
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import subprocess
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from collections import OrderedDict
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def badName(name):
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'''Returns whether a name contains non-alphanumeric chars'''
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return any([letter in string.punctuation for letter in name])
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def alphabetizeDict(dictionary):
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'''Alphabetizes a dict into OrderedDict '''
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return OrderedDict(sorted(dictionary.items(), key=lambda t: t[0]))
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def presetToString(dictionary):
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'''Returns string repr of a preset'''
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return repr(alphabetizeDict(dictionary))
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def presetFromString(string):
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'''Turns a string repr of OrderedDict into a regular dict'''
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return dict(eval(string))
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def appendUppercase(lst):
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for form, i in zip(lst, range(len(lst))):
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lst.append(form.upper())
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return lst
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def pipeWrapper(func):
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'''A decorator to insert proper kwargs into Popen objects.'''
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def pipeWrapper(commandList, **kwargs):
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if sys.platform == 'win32':
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# Stop CMD window from appearing on Windows
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startupinfo = subprocess.STARTUPINFO()
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startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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kwargs['startupinfo'] = startupinfo
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if 'bufsize' not in kwargs:
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kwargs['bufsize'] = 10**8
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if 'stdin' not in kwargs:
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kwargs['stdin'] = subprocess.DEVNULL
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return func(commandList, **kwargs)
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return pipeWrapper
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@pipeWrapper
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def checkOutput(commandList, **kwargs):
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return subprocess.check_output(commandList, **kwargs)
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def disableWhenEncoding(func):
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def decorator(self, *args, **kwargs):
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if self.encoding:
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return
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else:
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return func(self, *args, **kwargs)
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return decorator
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def disableWhenOpeningProject(func):
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def decorator(self, *args, **kwargs):
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if self.core.openingProject:
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return
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else:
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return func(self, *args, **kwargs)
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return decorator
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def rgbFromString(string):
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'''Turns an RGB string like "255, 255, 255" into a tuple'''
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try:
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tup = tuple([int(i) for i in string.split(',')])
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if len(tup) != 3:
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raise ValueError
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for i in tup:
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if i > 255 or i < 0:
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raise ValueError
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return tup
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except:
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return (255, 255, 255)
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def formatTraceback(tb=None):
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import traceback
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if tb is None:
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import sys
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tb = sys.exc_info()[2]
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return 'Traceback:\n%s' % "\n".join(traceback.format_tb(tb))
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def connectWidget(widget, func):
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if type(widget) == QtWidgets.QLineEdit:
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widget.textChanged.connect(func)
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elif type(widget) == QtWidgets.QSpinBox \
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or type(widget) == QtWidgets.QDoubleSpinBox:
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widget.valueChanged.connect(func)
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elif type(widget) == QtWidgets.QCheckBox:
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widget.stateChanged.connect(func)
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elif type(widget) == QtWidgets.QComboBox:
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widget.currentIndexChanged.connect(func)
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else:
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return False
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return True
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def setWidgetValue(widget, val):
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'''Generic setValue method for use with any typical QtWidget'''
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if type(widget) == QtWidgets.QLineEdit:
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widget.setText(val)
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elif type(widget) == QtWidgets.QSpinBox \
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or type(widget) == QtWidgets.QDoubleSpinBox:
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widget.setValue(val)
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elif type(widget) == QtWidgets.QCheckBox:
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widget.setChecked(val)
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elif type(widget) == QtWidgets.QComboBox:
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widget.setCurrentIndex(val)
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else:
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return False
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return True
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def getWidgetValue(widget):
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if type(widget) == QtWidgets.QLineEdit:
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return widget.text()
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elif type(widget) == QtWidgets.QSpinBox \
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or type(widget) == QtWidgets.QDoubleSpinBox:
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return widget.value()
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elif type(widget) == QtWidgets.QCheckBox:
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return widget.isChecked()
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elif type(widget) == QtWidgets.QComboBox:
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return widget.currentIndex()
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