working installation script

gpt4all_api/api.py

@@ -19,6 +19,7 @@ import threading
 import time
 import requests
 import urllib.request
+from tqdm import tqdm 
 
 __author__ = "parisneo"
 __github__ = "https://github.com/nomic-ai/gpt4all-ui"
@@ -317,7 +318,6 @@ class GPT4AllAPI():
 
                 if installation_path.exists():
                     print("Error: Model already exists")
-                    data.installing = False
                     socketio.emit('install_progress',{'status': 'failed', 'error': 'model already exists'})
                 
                 socketio.emit('install_progress',{'status': 'progress', 'progress': progress})
@@ -408,25 +408,41 @@ class GPT4AllAPI():
 
     def download_file(self, url, installation_path, callback=None):
         """
-        Downloads a file from a URL and displays the download progress using tqdm.
+        Downloads a file from a URL, reports the download progress using a callback function, and displays a progress bar.
 
         Args:
             url (str): The URL of the file to download.
+            installation_path (str): The path where the file should be saved.
             callback (function, optional): A callback function to be called during the download
                 with the progress percentage as an argument. Defaults to None.
         """
         try:
-            def report_hook(count, block_size, total_size):
+            response = requests.get(url, stream=True)
-                if callback is not None:
+
-                    percentage = (count * block_size / total_size) * 100
+            # Get the file size from the response headers
-                    callback(percentage)
+            total_size = int(response.headers.get('content-length', 0))
+
+            with open(installation_path, 'wb') as file:
+                downloaded_size = 0
+                with tqdm(total=total_size, unit='B', unit_scale=True, ncols=80) as progress_bar:
+                    for chunk in response.iter_content(chunk_size=8192):
+                        if chunk:
+                            file.write(chunk)
+                            downloaded_size += len(chunk)
+                            if callback is not None:
+                                percentage = (downloaded_size / total_size) * 100
+                                callback(percentage)
+                            progress_bar.update(len(chunk))
 
-            urllib.request.urlretrieve(url, installation_path, reporthook=report_hook)
-            
             if callback is not None:
                 callback(100.0)
-        except:
+
-            print("Couldn't download file")
+            print("File downloaded successfully")
+        except Exception as e:
+            print("Couldn't download file:", str(e))
+
+
+
             
     def load_backend(self, backend_path):
 

web/src/components/ModelEntry.vue

@@ -26,9 +26,9 @@
         <template v-if="installing">
           <div class="flex items-center space-x-2">
             <div class="h-2 w-20 bg-gray-300 rounded">
-              <div :style="{ width: progress + '%' }" class="h-full bg-green-500"></div>
+              <div :style="{ width: progress + '%'}" class="h-full bg-red-500 rounded"></div>
             </div>
-            <span>Installing...</span>
+            <span>Installing...{{ Math.floor(progress) }}%</span>
           </div>
         </template>
         <template v-else-if="uninstalling">
@@ -51,10 +51,6 @@
 import socket from '@/services/websocket.js'
 export default {
   props: {
-    progress: {
-      type: Number,
-      default: 0
-    },
     title: String,
     icon: String,
     path: String,
@@ -67,6 +63,7 @@ export default {
   },
   data() {
     return {
+      progress: 0,
       installing: false,
       uninstalling: false
     };

web/src/views/SettingsView.vue

@@ -360,7 +360,7 @@ export default {
                 console.log("received something");
                 if (response.status === 'progress') {
                     console.log(`Progress = ${response.progress}`);
-                    this.progress = response.progress;
+                    model_object.progress = response.progress
                 } else if (response.status === 'succeeded') {
                     socket.off('install_progress', progressListener);
                     // Update the isInstalled property of the corresponding model
@@ -373,7 +373,7 @@ export default {
                     // Installation failed or encountered an error
                     model_object.installing = false;
                     this.showProgress = false;
-                    console.error('Installation failed:', message.error);
+                    console.error('Installation failed:', response.error);
                 }
             };
 
@@ -385,7 +385,7 @@ export default {
             console.log("uninstalling model...")
             const progressListener = (response) => {
                 if (response.status === 'progress') {
-                    this.progress = message.progress;
+                    this.progress = response.progress;
                 } else if (response.status === 'succeeded') {
                     console.log(model_object)
                     // Installation completed