Added DirectUploadWithPython sample

Author: qencode-dev

Examples/DirectUploadWithPython/DirectUploadWithPython.js

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+const fs = require("fs");
+const tus = require('tus-js-client');
+const QencodeApiClient = require('qencode-api');
+
+let path = '/path/to/your/local/video.mp4';
+//var file = fs.createReadStream(path);
+var size = fs.statSync(path).size;
+
+const apiKey = "your-API-key-here";
+
+const qencodeApiClient = new QencodeApiClient({key: apiKey, endpoint: 'https://api.qencode.com'});
+console.log("AccessToken: ", qencodeApiClient.AccessToken);
+
+let task = qencodeApiClient.CreateTask();
+console.log("Created new task: ", task.taskToken);
+console.log("Upload URL: ", task.uploadUrl);
+console.log("Upload size, bytes: ", size);
+
+var chunkSize = get_chunk_size(size);
+var uploadUrl = task.uploadUrl + '/' + task.taskToken;
+const { exec } = require("child_process");
+
+exec(`python ./upload.py ${path} ${uploadUrl} ${chunkSize}`, (error, stdout, stderr) => {
+    if (error) {
+        console.log(`error: ${error.message}`);
+        return;
+    }
+    if (stderr) {
+        console.log(`stderr: ${stderr}`);
+        return;
+    }
+    console.log(`stdout: ${stdout}`);
+    launch_transcoding(stdout, task);
+});
+
+
+function get_chunk_size(size) {
+    chunk_size = Math.round(size / 30);
+    var min_size = 200000;
+    var max_size = 104857600;
+    if (chunk_size < min_size) {
+        chunk_size = min_size;
+    } else {
+        if (chunk_size > max_size) {
+            chunk_size = max_size;
+        }
+    }
+    return chunk_size;
+}
+
+function launch_transcoding(source_uri, task) {
+    let transcodingParams = {
+        "source": source_uri,
+        "format": [
+            {
+                "output": "mp4",
+                "size": "320x240",
+                "video_codec": "libx264"
+            }
+        ]
+    };
+    var payload = 'Direct upload from NodeJS with Python test';
+    task.StartCustom(transcodingParams, payload);
+    console.log("Status URL: ", task.statusUrl);
+
+    CheckTaskStatus();
+}
+
+async function CheckTaskStatus(){
+    while (task.GetStatus().status != "completed") {
+        console.log("Status: ", task.GetStatus().status);
+        await sleep(5000);
+    }
+    console.log('Done');
+}
+
+function sleep(ms){
+    return new Promise(resolve=>{
+            setTimeout(resolve,ms)
+        })
+}
+

Examples/DirectUploadWithPython/README.md

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+There's currently an issue in tus-js-client code, preventing it from working properly on server side.
+
+To workaround it, you can use this sample nodejs app using a python helper to perform a direct upload.

Examples/DirectUploadWithPython/upload.py

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+import sys
+from qencode import QencodeClientException, QencodeTaskException, tus_uploader
+
+path = sys.argv[1]
+upload_url = sys.argv[2]
+chunk_size = sys.argv[3]
+
+uploadedFile = tus_uploader.upload(file_path=path, url=upload_url, log_func=None, chunk_size=chunk_size)
+print uploadedFile.url