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How can I get real path of local file? #6

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zyhwhu2009 opened this issue Dec 20, 2018 · 4 comments
Closed

How can I get real path of local file? #6

zyhwhu2009 opened this issue Dec 20, 2018 · 4 comments

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@zyhwhu2009
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Hi,
Very nice tool! I use ell first and now try to use wuy, and I think it's more convenient and powerful.
How can I get real path of local file by in html?
Thanks.
@manatlan
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manatlan commented Dec 20, 2018 via email

@zyhwhu2009
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Thank you for your prompt reply. I am new and still do not know how to create a rpc method serverside. could you give me a example or reference.
btw, how could I upload a file as a server mode? method emit?
Thanks!!!!

@manatlan
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Here is an exemple, for serverside mode (note that : it doesn't have sense in window mode, because client & server are on the same host)

that's a drag'n'drop example : drop a text file on the page, it will be sent to the server via the upload rpc method ;-)

if you want to do it with binary file, just replace with readAsDataURL ... and decode dataurl on serverside !

# -*- coding: utf-8 -*-
import wuy

class index(wuy.Server):
    """
    <script>
    function mydragover(e) {
        e.target.style.background = "red";
        e.preventDefault()
    }
    function mydragend(e) {
        e.target.style.background = "white";
    }
    function mydrop(e) {
        e.target.style.background = "white";
        for(var f of e.dataTransfer.files) {
            var reader = new FileReader();
            reader.onload = function (ee) {
                wuy.upload(f.name,ee.target.result)
            };
            // reader.readAsDataURL(f);
            reader.readAsText(f);
        }
        e.preventDefault()
    }
    </script>
    <body
        ondragover="mydragover(event)"
        ondragleave="mydragend(event)"
        ondragend="mydragend(event)"
        ondrop="mydrop(event)">drop on me</body>
    """

    def upload(self,name,content):
        # here, on server side : save the file 'name', with the text 'content',
        print("server:",name,content)

if __name__=="__main__":
    index()

@zyhwhu2009
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help me a lot!!!
thanks very much.

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@manatlan @zyhwhu2009