fix(pip): improve error on python binary not being present (#114)

sublimelsp · Nov 15, 2023 · 7221a2c · 7221a2c
1 parent 3a5dcf3
commit 7221a2c
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/st3/lsp_utils/pip_client_handler.py b/st3/lsp_utils/pip_client_handler.py
@@ -3,6 +3,7 @@
 from .server_resource_interface import ServerResourceInterface
 from LSP.plugin.core.typing import List, Optional
 from os import path
+import shutil
 import sublime
 
 __all__ = ['PipClientHandler']
@@ -61,8 +62,11 @@ def manages_server(cls) -> bool:
     @classmethod
     def get_server(cls) -> Optional[ServerResourceInterface]:
         if not cls.__server:
-            cls.__server = ServerPipResource(cls.storage_path(), cls.package_name, cls.requirements_txt_path,
-                                             cls.server_filename, cls.get_python_binary())
+            python_binary = cls.get_python_binary()
+            if not shutil.which(python_binary):
+                raise Exception('Python binary "{}" not found!'.format(python_binary))
+            cls.__server = ServerPipResource(
+                cls.storage_path(), cls.package_name, cls.requirements_txt_path, cls.server_filename, python_binary)
         return cls.__server
 
     @classmethod