Code formate, Make it more standardized. Delete useless file.

PPOCRLabel/combobox.py

-# Copyright (c) <2015-Present> Tzutalin
-# Copyright (C) 2013  MIT, Computer Science and Artificial Intelligence Laboratory. Bryan Russell, Antonio Torralba,
-# William T. Freeman. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
-# associated documentation files (the "Software"), to deal in the Software without restriction, including without
-# limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
-# Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-# The above copyright notice and this permission notice shall be included in all copies or substantial portions of
-# the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
-# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
-# SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
-# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-
-import sys
-try:
-    from PyQt5.QtWidgets import QWidget, QHBoxLayout, QComboBox
-except ImportError:
-    # needed for py3+qt4
-    # Ref:
-    # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
-    # http://stackoverflow.com/questions/21217399/pyqt4-qtcore-qvariant-object-instead-of-a-string
-    if sys.version_info.major >= 3:
-        import sip
-        sip.setapi('QVariant', 2)
-    from PyQt4.QtGui import QWidget, QHBoxLayout, QComboBox
-
-
-class ComboBox(QWidget):
-    def __init__(self, parent=None, items=[]):
-        super(ComboBox, self).__init__(parent)
-
-        layout = QHBoxLayout()
-        self.cb = QComboBox()
-        self.items = items
-        self.cb.addItems(self.items)
-
-        self.cb.currentIndexChanged.connect(parent.comboSelectionChanged)
-
-        layout.addWidget(self.cb)
-        self.setLayout(layout)
-
-    def update_items(self, items):
-        self.items = items
-
-        self.cb.clear()
-        self.cb.addItems(self.items)