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jblitzar
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github-python

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# <FILESEP>
# utils.py
import os
import shutil
import requests
def create_folder(folder: str) -> None:
"""
Create a folder if it doesn't exist.
Parameters:
- folder (str): The path of the folder to be created.
"""
if not os.path.exists(folder):
os.mkdir(folder)
def delete_folder(folder):
"""递归地删除目录及其所有内容"""
if os.path.exists(folder):
shutil.rmtree(folder)
def is_valid_url(url: str) -> bool:
"""
Check the validity of a URL.
Parameters:
- url (str): The URL to be checked.
Returns:
- bool: True if the URL is valid; False otherwise.
"""
try:
response = requests.head(url)
return response.status_code == 200
except requests.RequestException:
return False
def write_file(folder_path: str, file_name: str, file_data: str) -> None:
"""
Write data to a file.
Parameters:
- folder_path (str): The path of the folder where the file will be written.
- file_name (str): The name of the file.
- file_data (str): The data to be written to the file.
"""
with open(os.path.join(folder_path, file_name), "w", encoding="utf-8") as file:
file.write(file_data)
def count_test_cases(md_file_path: str):
"""计算Markdown文件中图片链接的数量"""
with open(md_file_path, "r") as f:
content = f.read()
return content.count("![")
# <FILESEP>
# License: MIT
# Author: Karl Stelzner
import os
import sys
import torch
from torch.utils.data import Dataset
import numpy as np
from numpy.random import random_integers
from PIL import Image
def progress_bar(count, total, status=''):
bar_len = 60
filled_len = int(round(bar_len * count / float(total)))
percents = round(100.0 * count / float(total), 1)
bar = '=' * filled_len + '-' * (bar_len - filled_len)
sys.stdout.write('[%s] %s%s ...%s\r' % (bar, percents, '%', status))
sys.stdout.flush()
def make_sprites(n=50000, height=64, width=64):
images = np.zeros((n, height, width, 3))
counts = np.zeros((n,))
print('Generating sprite dataset...')
for i in range(n):
num_sprites = random_integers(0, 2)
counts[i] = num_sprites
for j in range(num_sprites):
pos_y = random_integers(0, height - 12)
pos_x = random_integers(0, width - 12)
scale = random_integers(12, min(16, height-pos_y, width-pos_x))
cat = random_integers(0, 2)
sprite = np.zeros((height, width, 3))