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import os
import os.path as osp
import pickle
import subprocess
from typing import Any
import h5py
import numpy as np
import torch
num_channels, num_frames, height, width = None, None, None, None
def create_dir(dir_name: str):
"""Create a directory if it does not exist yet."""
if not osp.exists(dir_name):
os.makedirs(dir_name)
def move_files(source_path: str, destpath: str):
"""Move files from `source_path` to `dest_path`."""
subprocess.call(["mv", source_path, destpath])
def load_pickle(pickle_path: str) -> Any:
"""Load a pickle file."""
with open(pickle_path, "rb") as f:
data = pickle.load(f)
return data
def load_hdf5(hdf5_path: str) -> Any:
with h5py.File(hdf5_path, "r") as h5file:
data = {key: np.array(value) for key, value in h5file.items()}
return data
def save_hdf5(data: Any, hdf5_path: str):
with h5py.File(hdf5_path, "w") as h5file:
for key, value in data.items():
h5file.create_dataset(key, data=value)
def save_pickle(data: Any, pickle_path: str):
"""Save data in a pickle file."""
with open(pickle_path, "wb") as f:
pickle.dump(data, f, protocol=4)
def load_txt(txt_path: str):
"""Load a txt file."""
with open(txt_path, "r") as f:
data = f.read()
return data
def save_txt(data: str, txt_path: str):
"""Save data in a txt file."""
with open(txt_path, "w") as f:
f.write(data)
def load_pth(pth_path: str) -> Any:
"""Load a pth (PyTorch) file."""
data = torch.load(pth_path)
return data
def save_pth(data: Any, pth_path: str):
"""Save data in a pth (PyTorch) file."""
torch.save(data, pth_path)
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