1.下载文件
requests.adapters.DEFAULT_RETRIES = 5
response = requests.get(url, stream=True)
status = response.status_code
if status == 200:
total_size = int(response.headers['Content-Length'])
with open('xxx', 'wb') as of:
for chunk in response.iter_content(chunk_size=102400): # 块状下载，节省内存空间
if chunk:
of.write(chunk)
2.校验下载完成文件与原始文件大小。
with open('xxx', 'r') as f:
if isinstance(f, file):
length = os.fstat(f.fileno()).st_size
if total_size == length:
True
else:
False
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