Use contextlib.suppress instead of try-except-pass

[Copilot]

Syncs with upstream template change (microsoft/vscode-python-tools-extension-template#204). Replaces bare try/except: pass blocks with contextlib.suppress().

• bundled/tool/lsp_jsonrpc.py: Added import contextlib; replaced 3 bare-except blocks in JsonRpc.close() and ProcessManager.stop_all_processes() with contextlib.suppress(Exception)
• bundled/tool/lsp_utils.py: Replaced 2 try/except SystemExit: pass blocks in _run_module() and _run_api() with contextlib.suppress(SystemExit)

# Before
try:
    self._reader.close()
except:  # pylint: disable=bare-except
    pass

# After
with contextlib.suppress(Exception):
    self._reader.close()

Original prompt

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This section details on the original issue you should resolve

<issue_title>Template Sync: Use contextlib.suppress instead of try-except-pass</issue_title>
<issue_description>### 🔄 Template Sync Required

Changes from the upstream vscode-python-tools-extension-template have not yet been incorporated into this repository.

Source PR

• Use contextlib.suppress instead of try-except-pass vscode-python-tools-extension-template#204 — Use contextlib.suppress instead of try-except-pass

Summary

The template replaced bare try/except: pass blocks with the idiomatic contextlib.suppress(...) context manager. This improves code readability and avoids the need for # pylint: disable=bare-except comments. Two shared Python files are affected: lsp_jsonrpc.py and lsp_utils.py.

Files with missing changes

• bundled/tool/lsp_jsonrpc.py: Three locations still use try: ... except: pass (bare-except) patterns in JsonRpc.close() and ProcessManager.stop_all_processes().
• bundled/tool/lsp_utils.py: Two locations still use try: ... except SystemExit: pass in _run_module() and _run_api().

Suggested fix

bundled/tool/lsp_jsonrpc.py — add import contextlib and replace bare-except blocks:

--- a/bundled/tool/lsp_jsonrpc.py
+++ b/bundled/tool/lsp_jsonrpc.py
@@ -4,6 +4,7 @@
 
 import atexit
+import contextlib
 import io
 import json
 import pathlib
@@ -100,14 +101,10 @@ class JsonRpc:
     def close(self):
         """Closes the underlying streams."""
-        try:
+        with contextlib.suppress(Exception):
             self._reader.close()
-        except:  # pylint: disable=bare-except
-            pass
-        try:
+        with contextlib.suppress(Exception):
             self._writer.close()
-        except:  # pylint: disable=bare-except
-            pass
 
@@ -135,10 +132,8 @@ class ProcessManager:
     def stop_all_processes(self):
         """Send exit command to all processes and shutdown transport."""
         for i in self._rpc.values():
-            try:
+            with contextlib.suppress(Exception):
                 i.send_data({"id": str(uuid.uuid4()), "method": "exit"})
-            except:  # pylint: disable=bare-except
-                pass

bundled/tool/lsp_utils.py — replace try/except SystemExit in _run_module() and _run_api():

--- a/bundled/tool/lsp_utils.py
+++ b/bundled/tool/lsp_utils.py
@@ -114,13 +114,11 @@ def _run_module(...):
-    try:
+    with contextlib.suppress(SystemExit):
         with substitute_attr(sys, "argv", argv):
             with redirect_io("stdout", str_output):
                 with redirect_io("stderr", str_error):
                     ...
-    except SystemExit:
-        pass
 
@@ -193,13 +191,11 @@ def _run_api(...):
-    try:
+    with contextlib.suppress(SystemExit):
         with substitute_attr(sys, "argv", argv):
             with redirect_io("stdout", str_output):
                 with redirect_io("stderr", str_error):
                     ...
-    except SystemExit:
-        pass

Note: contextlib is already imported in lsp_utils.py; only lsp_jsonrpc.py needs the new import.

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🤖 This issue was auto-generated by the extension-template-sync workflow.

Generated by Extension Template Sync

Comments on the Issue (you are @copilot in this section)

• Fixes Template Sync: Use contextlib.suppress instead of try-except-pass #727

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[rchiodo]

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