pyqtgraph/opengl/__init__.py

from .GLViewWidget import GLViewWidget

import os
def importAll(path):
    d = os.path.join(os.path.split(__file__)[0], path)
    files = []
    for f in os.listdir(d):
        if os.path.isdir(os.path.join(d, f)) and f != '__pycache__':
            files.append(f)
        elif f[-3:] == '.py' and f != '__init__.py':
            files.append(f[:-3])
        
    for modName in files:
        mod = __import__(path+"."+modName, globals(), locals(), fromlist=['*'])
        if hasattr(mod, '__all__'):
            names = mod.__all__
        else:
            names = [n for n in dir(mod) if n[0] != '_']
        for k in names:
            if hasattr(mod, k):
                globals()[k] = getattr(mod, k)

importAll('items')