[python] Send LSP diagnostic warnings to logs (#2953)

* escape sequence warnings to logs

* context manager around lsp diagnostics

* linting

* filter _all_ warnings

extensions/positron-python/python_files/positron/positron_ipykernel/positron_ipkernel.py

@@ -477,11 +477,6 @@ def _showwarning(self, message, category, filename, lineno, file=None, line=None
         # if coming from one of our files, log and don't send to user
         positron_files_path = Path(__file__).parent
 
-        if str(positron_files_path) in str(filename):
-            msg = f"{filename}-{lineno}: {category}: {message}"
-            logger.warning(msg)
-            return
-
         # Check if the filename refers to a cell in the Positron Console.
         # We use the fact that ipykernel sets the filename to a path starting in the root temporary
         # directory. We can't determine the full filename since it depends on the cell's code which
@@ -490,6 +485,14 @@ def _showwarning(self, message, category, filename, lineno, file=None, line=None
         if console_dir in str(filename):
             filename = f"<positron-console-cell-{self.execution_count}>"
 
+        # send to logs if warning is coming from Positron files
+        # also send warnings from attempted compiles from IPython to logs
+        # https://github.com/ipython/ipython/blob/8.24.0/IPython/core/async_helpers.py#L151
+        if str(positron_files_path) in str(filename) or str(filename) == "<>":
+            msg = f"{filename}-{lineno}: {category}: {message}"
+            logger.warning(msg)
+            return
+
         msg = warnings.WarningMessage(message, category, filename, lineno, file, line)
 
         return original_showwarning(message, category, filename, lineno, file, line)  # type: ignore reportAttributeAccessIssue

extensions/positron-python/python_files/positron/positron_ipykernel/positron_jedilsp.py

@@ -7,6 +7,7 @@
 import logging
 import re
 import threading
+import warnings
 from functools import lru_cache
 from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional, Type, Union, cast
 
@@ -670,7 +671,9 @@ def _publish_diagnostics(server: JediLanguageServer, uri: str) -> None:
 
     # --- Start Positron ---
     try:
-        diagnostic = jedi_utils.lsp_python_diagnostic(uri, doc.source)
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            diagnostic = jedi_utils.lsp_python_diagnostic(uri, doc.source)
     except Exception:
         logger.exception(f"Failed to publish diagnostics for uri {uri}", exc_info=True)
         diagnostic = None