improve download speed for sftp (#174)

* Update interactive.py * improve download speed for sftp

improve download speed for sftp (#174)
* Update interactive.py * improve download speed for sftp
a24bb091 · Chen Chenglong · 老广 · 970d6242 · a24bb091
Commit a24bb091 authored Jan 28, 2019 by Chen Chenglong Committed by 老广 Jan 28, 2019
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sftp.py coco/sftp.py +1 -0

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--- a/coco/sftp.py
+++ b/coco/sftp.py
@@ -295,6 +295,7 @@ class SFTPServer(paramiko.SFTPServerInterface):
        try:
            client, rpath = self.get_sftp_client_rpath(path)
            f = client.open(rpath, mode, bufsize=4096)
+            f.prefetch()
            obj = paramiko.SFTPHandle(flags)
            obj.filename = rpath
            obj.readfile = f