fix(*): WIP

  Fix utf-8 decode for ebook generate
  Fix viewer compile

src/calibre/ebooks/mobi/writer2/main.py

@@ -460,7 +460,7 @@ def write_header(self):  # PalmDB header {{{
         title = ascii_filename(str(self.oeb.metadata.title[0])).replace(
                 ' ', '_')
         if not isinstance(title, bytes):
-            title = title.encode('ascii')
+            title = title.encode('utf-8')
         title = title[:31]
         title = title + (b'\0' * (32 - len(title)))
         now = int(time.time())

src/calibre/ebooks/mobi/writer8/mobi.py

@@ -331,7 +331,7 @@ def write(self, outpath):
 
             title = ascii_filename(self.full_title.decode('utf-8')).replace(' ', '_')
             if not isinstance(title, bytes):
-                title = title.encode('ascii')
+                title = title.encode('utf-8')
             title = title[:31]
             title += (b'\0' * (32 - len(title)))
             now = int(time.time())

src/calibre/gui2/viewer/web_view.py

@@ -189,10 +189,10 @@ def create_profile():
         # Qt bugs see workaround_qt_bug() in ajax.pyj
         ua = f'calibre-viewer {__version__} {osname}'
         ans.setHttpUserAgent(ua)
-        if is_running_from_develop:
-            from calibre.utils.rapydscript import compile_viewer
-            prints('Compiling viewer code...')
-            compile_viewer()
+        # if is_running_from_develop:
+        #     from calibre.utils.rapydscript import compile_viewer
+        #     prints('Compiling viewer code...')
+        #     compile_viewer()
         js = P('viewer.js', data=True, allow_user_override=False)
         translations_json = get_translations_data() or b'null'
         js = js.replace(b'__TRANSLATIONS_DATA__', translations_json, 1)