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File size: 827 Bytes
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import os
import os.path as osp
import numpy as np
import numpy.random as npr
import torch
from PIL import Image
import copy
import gc
import itertools
def singleton(class_):
instances = {}
def getinstance(*args, **kwargs):
if class_ not in instances:
instances[class_] = class_(*args, **kwargs)
return instances[class_]
return getinstance
@singleton
class get_formatter(object):
def __init__(self):
self.formatter = {}
def register(self, formatf):
self.formatter[formatf.__name__] = formatf
def __call__(self, cfg):
if cfg is None:
return None
t = cfg.type
return self.formatter[t](**cfg.args)
def register():
def wrapper(class_):
get_formatter().register(class_)
return class_
return wrapper
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