调整

download/文件下载.py

@@ -0,0 +1,27 @@
+import os
+from urllib.request import urlopen
+from tqdm import tqdm
+import requests
+import sys
+from threading import Thread,Lock
+lock = Lock()
+def download(url,filename=None):
+    file_size = int(requests.head(url).headers['Content-Length'])
+    if not filename:
+        filename = url.split('/')[-1]
+    if os.path.exists(filename):
+        first_byte = os.path.getsize(filename)
+        print('断点续传中。。。')
+    else:
+        first_byte = 0
+    header = {'Range': 'bytes=%s-%s' % (first_byte, file_size)}
+    pbar = tqdm(total=file_size,initial=first_byte,unit='B',unit_scale=True,desc=url.split('/')[-1],mininterval=0.5)
+    result = requests.get(url,headers = header,stream=True)
+    with open(filename,'ab') as f:
+        for chunk in result.iter_content(chunk_size=1024):
+            f.write(chunk)
+            pbar.update(1024)
+    pbar.close()
+    return file_size
+if __name__ == '__main__':
+    download('http://huo.hongjiaozuida.com/20200606/5381_8ab40c11/少年间谍第一季-08.mp4')