fix: qt icons not available when installed as python package

follow-up #5053

electrum/gui/icons

@@ -0,0 +1 @@
+../../icons/

electrum/gui/qt/util.py

@@ -797,7 +797,7 @@ def get_parent_main_window(widget):
 
 
 def icon_path(icon_basename):
-    return resource_path('icons', icon_basename)
+    return resource_path('gui', 'icons', icon_basename)
 
 
 @lru_cache(maxsize=1000)

electrum/util.py

@@ -490,11 +490,11 @@ def user_dir():
 
 
 def resource_path(*parts):
-    return os.path.join(base_dir, *parts)
+    return os.path.join(pkg_dir, *parts)
 
 
-# absolute path to project root dir when running from source
-base_dir = os.path.split(os.path.dirname(os.path.realpath(__file__)))[0]
+# absolute path to python package folder of electrum ("lib")
+pkg_dir = os.path.split(os.path.realpath(__file__))[0]
 
 
 def is_valid_email(s):

setup.py

@@ -47,7 +47,7 @@ if platform.system() in ['Linux', 'FreeBSD', 'DragonFly']:
             usr_share = os.path.expanduser('~/.local/share')
     data_files += [
         (os.path.join(usr_share, 'applications/'), ['electrum.desktop']),
-        (os.path.join(usr_share, icons_dirname), ['icons/electrum.png'])
+        (os.path.join(usr_share, icons_dirname), ['icons/electrum.png']),
     ]
 
 extras_require = {
@@ -79,6 +79,9 @@ setup(
             'wordlist/*.txt',
             'locale/*/LC_MESSAGES/electrum.mo',
         ],
+        'electrum.gui': [
+            'icons/*',
+        ],
     },
     scripts=['electrum/electrum'],
     data_files=data_files,