Hard reloader for maya (reload python modules)

hard_reload.py

import sys
from PySide import QtGui, QtCore
from shiboken import wrapInstance
from maya import OpenMayaUI


class HardReload(QtGui.QDialog):

    def __init__(self, *args, **kwds):
        super(HardReload, self).__init__(*args, **kwds)
        self.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
        self.initUI()

    def initUI(self):
        self.ui_lineEdit = QtGui.QLineEdit(self)
        ui_completer = QtGui.QCompleter(
            [i.split(".")[0] for i in sys.modules.keys()], self)
        ui_completer.setCompletionMode(QtGui.QCompleter.InlineCompletion)
        ui_completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
        self.ui_lineEdit.setCompleter(ui_completer)
        hbox = QtGui.QHBoxLayout()
        hbox.addWidget(self.ui_lineEdit)
        self.setLayout(hbox)
        self.setWindowTitle("Hard Reload")
        self.ui_lineEdit.returnPressed.connect(self.accept)

    def accept(self, *args, **kwds):
        module = str(self.ui_lineEdit.text())
        if len(module):
            for k in sys.modules.keys():
                if k.startswith(module):
                    del sys.modules[k]
        super(HardReload, self).close(*args, **kwds)


def get_parent():
    ptr = OpenMayaUI.MQtUtil.mainWindow()
    return wrapInstance(long(ptr), QtGui.QMainWindow)


def show():
    HardReload(get_parent()).exec_()