Add busy window

ChannelProvider/SVT/__init__.py

@@ -5,6 +5,7 @@ import io
 import json
 import os
 import pickle
+import threading
 
 import ChannelProvider
 import feedparser
@@ -24,15 +25,18 @@ class SVT(ChannelProvider.ChannelProvider):
         if os.path.exists(self.m_cachefile):
             with open(self.m_cachefile, 'rb') as cachehandle:
                 self.m_cache = pickle.load(cachehandle)
-        self.m_items: list[Item] = self.parse_feed()
+        self.m_thr = threading.Thread(target=self.parse_feed,
+                                      args=(),
+                                      kwargs={})
+        self.m_thr.start()
 
-    def refresh_items(self):
-        self.m_items: list[Item] = self.parse_feed()
+    def wait(self) -> bool:
+        return self.m_thr.is_alive()
 
-    def parse_feed(self) -> list[Item]:
+    def parse_feed(self) -> None:
         feed = feedparser.parse(self.get_feed())
         entries = feed['entries']
-        items: list[Item] = list()
+        self.m_items: list[Item] = list()
 
         for entry in entries:
             key = hashlib.sha256(entry['link'].encode('utf-8')).hexdigest()
@@ -50,6 +54,7 @@ class SVT(ChannelProvider.ChannelProvider):
                 for link in entry['links']:
                     if str(link['type']).startswith('image/'):
                         thumbnail_link = str(link['href'])
+
                         break
                 page = requests.get(str(entry['link']))
                 soup = BeautifulSoup(page.text, 'html.parser')
@@ -83,16 +88,12 @@ class SVT(ChannelProvider.ChannelProvider):
             self.m_cache[key]['published_parsed'] = published_parsed
             self.m_cache[key]['title'] = title
 
-            image = wx.Image(content_bytes,
-                             type=wx.BITMAP_TYPE_ANY,
-                             index=-1)
+            image = wx.Image(content_bytes, type=wx.BITMAP_TYPE_ANY, index=-1)
             thumbnail = wx.Bitmap(image)
             item = Item(description, resolved_link, self.m_provider_name,
                         published_parsed, thumbnail, title)
-            items.append(item)
+            self.m_items.append(item)
 
         # write to cache file
         with open(self.m_cachefile, 'wb') as cachehandle:
             pickle.dump(self.m_cache, cachehandle)
-
-        return items

ChannelProvider/__init__.py

@@ -22,3 +22,6 @@ class ChannelProvider:
 
     def parse_feed(self) -> Union[list[Item], None]:
         pass
+
+    def wait(self) -> bool:
+        return False

main.py

@@ -45,6 +45,14 @@ class Cast(wx.Frame):
         self.m_sizer = wx.BoxSizer(wx.VERTICAL)
 
         for channel in self.m_channels:
+            if channel.wait():
+                with wx.BusyInfo("Please wait, working..."):
+                    index = 0
+                    while channel.wait():
+                        time.sleep(1)
+                        wx.GetApp().Yield()
+
+
             for item in channel.get_items():
                 title = wx.StaticText(self.m_panel, -1)
                 title.SetLabelMarkup("<span weight='bold' >{}</span>".format(item['title']))