Mark unused imports and local variables as unnecessary

bundled/tool/server.py

@@ -51,6 +51,7 @@ def update_sys_path(path_to_add: str, strategy: str) -> None:
     CodeActionParams,
     Diagnostic,
     DiagnosticSeverity,
+    DiagnosticTag,
     DidChangeTextDocumentParams,
     DidCloseTextDocumentParams,
     DidOpenTextDocumentParams,
@@ -183,6 +184,15 @@ def _parse_output_using_regex(content: str) -> list[Diagnostic]:
             code=check["code"],
             source=TOOL_DISPLAY,
             data=check.get("fix"),
+            tags=(
+                [DiagnosticTag.Unnecessary]
+                if check["code"]
+                in {
+                    "F401",  # `module` imported but unused
+                    "F841",  # local variable `name` is assigned to but never used
+                }
+                else None
+            ),
         )
         diagnostics.append(diagnostic)
 

requirements-dev.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.7
 # by the following command:
 #
 #    pip-compile --generate-hashes --resolver=backtracking ./requirements-dev.in
@@ -39,6 +39,13 @@ exceptiongroup==1.0.4 \
     --hash=sha256:542adf9dea4055530d6e1279602fa5cb11dab2395fa650b8674eaec35fc4a828 \
     --hash=sha256:bd14967b79cd9bdb54d97323216f8fdf533e278df937aa2a90089e7d6e06e5ec
     # via pytest
+importlib-metadata==5.1.0 \
+    --hash=sha256:d5059f9f1e8e41f80e9c56c2ee58811450c31984dfa625329ffd7c0dad88a73b \
+    --hash=sha256:d84d17e21670ec07990e1044a99efe8d615d860fd176fc29ef5c306068fda313
+    # via
+    #   click
+    #   pluggy
+    #   pytest
 iniconfig==1.1.1 \
     --hash=sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3 \
     --hash=sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32
@@ -81,26 +88,22 @@ mypy-extensions==0.4.3 \
     # via
     #   black
     #   mypy
-packaging==21.3 \
-    --hash=sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb \
-    --hash=sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522
+packaging==22.0 \
+    --hash=sha256:2198ec20bd4c017b8f9717e00f0c8714076fc2fd93816750ab48e2c41de2cfd3 \
+    --hash=sha256:957e2148ba0e1a3b282772e791ef1d8083648bc131c8ab0c1feba110ce1146c3
     # via pytest
 pathspec==0.10.2 \
     --hash=sha256:88c2606f2c1e818b978540f73ecc908e13999c6c3a383daf3705652ae79807a5 \
     --hash=sha256:8f6bf73e5758fd365ef5d58ce09ac7c27d2833a8d7da51712eac6e27e35141b0
     # via black
-platformdirs==2.5.4 \
-    --hash=sha256:1006647646d80f16130f052404c6b901e80ee4ed6bef6792e1f238a8969106f7 \
-    --hash=sha256:af0276409f9a02373d540bf8480021a048711d572745aef4b7842dad245eba10
+platformdirs==2.6.0 \
+    --hash=sha256:1a89a12377800c81983db6be069ec068eee989748799b946cce2a6e80dcc54ca \
+    --hash=sha256:b46ffafa316e6b83b47489d240ce17173f123a9b9c83282141c3daf26ad9ac2e
     # via black
 pluggy==1.0.0 \
     --hash=sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159 \
     --hash=sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3
     # via pytest
-pyparsing==3.0.9 \
-    --hash=sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb \
-    --hash=sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc
-    # via packaging
 pytest==7.2.0 \
     --hash=sha256:892f933d339f068883b6fd5a459f03d85bfcb355e4981e146d2c7616c21fef71 \
     --hash=sha256:c4014eb40e10f11f355ad4e3c2fb2c6c6d1919c73f3b5a433de4708202cade59
@@ -116,10 +119,41 @@ tomli==2.0.1 \
     #   black
     #   mypy
     #   pytest
+typed-ast==1.5.4 \
+    --hash=sha256:0261195c2062caf107831e92a76764c81227dae162c4f75192c0d489faf751a2 \
+    --hash=sha256:0fdbcf2fef0ca421a3f5912555804296f0b0960f0418c440f5d6d3abb549f3e1 \
+    --hash=sha256:183afdf0ec5b1b211724dfef3d2cad2d767cbefac291f24d69b00546c1837fb6 \
+    --hash=sha256:211260621ab1cd7324e0798d6be953d00b74e0428382991adfddb352252f1d62 \
+    --hash=sha256:267e3f78697a6c00c689c03db4876dd1efdfea2f251a5ad6555e82a26847b4ac \
+    --hash=sha256:2efae9db7a8c05ad5547d522e7dbe62c83d838d3906a3716d1478b6c1d61388d \
+    --hash=sha256:370788a63915e82fd6f212865a596a0fefcbb7d408bbbb13dea723d971ed8bdc \
+    --hash=sha256:39e21ceb7388e4bb37f4c679d72707ed46c2fbf2a5609b8b8ebc4b067d977df2 \
+    --hash=sha256:3e123d878ba170397916557d31c8f589951e353cc95fb7f24f6bb69adc1a8a97 \
+    --hash=sha256:4879da6c9b73443f97e731b617184a596ac1235fe91f98d279a7af36c796da35 \
+    --hash=sha256:4e964b4ff86550a7a7d56345c7864b18f403f5bd7380edf44a3c1fb4ee7ac6c6 \
+    --hash=sha256:639c5f0b21776605dd6c9dbe592d5228f021404dafd377e2b7ac046b0349b1a1 \
+    --hash=sha256:669dd0c4167f6f2cd9f57041e03c3c2ebf9063d0757dc89f79ba1daa2bfca9d4 \
+    --hash=sha256:6778e1b2f81dfc7bc58e4b259363b83d2e509a65198e85d5700dfae4c6c8ff1c \
+    --hash=sha256:683407d92dc953c8a7347119596f0b0e6c55eb98ebebd9b23437501b28dcbb8e \
+    --hash=sha256:79b1e0869db7c830ba6a981d58711c88b6677506e648496b1f64ac7d15633aec \
+    --hash=sha256:7d5d014b7daa8b0bf2eaef684295acae12b036d79f54178b92a2b6a56f92278f \
+    --hash=sha256:98f80dee3c03455e92796b58b98ff6ca0b2a6f652120c263efdba4d6c5e58f72 \
+    --hash=sha256:a94d55d142c9265f4ea46fab70977a1944ecae359ae867397757d836ea5a3f47 \
+    --hash=sha256:a9916d2bb8865f973824fb47436fa45e1ebf2efd920f2b9f99342cb7fab93f72 \
+    --hash=sha256:c542eeda69212fa10a7ada75e668876fdec5f856cd3d06829e6aa64ad17c8dfe \
+    --hash=sha256:cf4afcfac006ece570e32d6fa90ab74a17245b83dfd6655a6f68568098345ff6 \
+    --hash=sha256:ebd9d7f80ccf7a82ac5f88c521115cc55d84e35bf8b446fcd7836eb6b98929a3 \
+    --hash=sha256:ed855bbe3eb3715fca349c80174cfcfd699c2f9de574d40527b8429acae23a66
+    # via
+    #   black
+    #   mypy
 typing-extensions==4.4.0 \
     --hash=sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa \
     --hash=sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e
-    # via mypy
+    # via
+    #   black
+    #   importlib-metadata
+    #   mypy
 ujson==5.6.0 \
     --hash=sha256:0f0f21157d1a84ad5fb54388f31767cde9c1a48fb29de7ef91d8887fdc2ca92b \
     --hash=sha256:1217326ba80eab1ff3f644f9eee065bd4fcc4e0c068a2f86f851cafd05737169 \
@@ -187,3 +221,7 @@ ujson==5.6.0 \
     --hash=sha256:fb1632b27e12c0b0df62f924c362206daf246a42c0080e959dd465810dc3482e \
     --hash=sha256:fecf83b2ef3cbce4f5cc573df6f6ded565e5e27c1af84038bae5ade306686d82
     # via python-jsonrpc-server
+zipp==3.11.0 \
+    --hash=sha256:83a28fcb75844b5c0cdaf5aa4003c2d728c77e05f5aeabe8e95e56727005fbaa \
+    --hash=sha256:a7a22e05929290a67401440b39690ae6563279bced5f314609d9d03798f56766
+    # via importlib-metadata

requirements.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.10
+# This file is autogenerated by pip-compile with Python 3.8
 # by the following command:
 #
 #    pip-compile --generate-hashes --resolver=backtracking ./requirements.in
@@ -22,18 +22,14 @@ lsprotocol==2022.0.0a9 \
     --hash=sha256:db81eafc80485a6052f6771aaf6fb9cef58cb6409d510c60132f12c6e91d9182 \
     --hash=sha256:e4bc3d2ed71045f64cbe4d053bd6d45300a77b122b372a383914ce4ddb9c62d4
     # via pygls
-packaging==21.3 \
-    --hash=sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb \
-    --hash=sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522
+packaging==22.0 \
+    --hash=sha256:2198ec20bd4c017b8f9717e00f0c8714076fc2fd93816750ab48e2c41de2cfd3 \
+    --hash=sha256:957e2148ba0e1a3b282772e791ef1d8083648bc131c8ab0c1feba110ce1146c3
     # via -r ./requirements.in
 pygls==1.0.0 \
     --hash=sha256:3414594ac29ff3ab990f004c675d1077e4e2659eae5cc3ae67cc6fa4d861e342 \
     --hash=sha256:c2a1c22e30028f7ca9d3f0a04da8eef29f0f1701bdbd97d8614d8e1e6711f336
     # via -r ./requirements.in
-pyparsing==3.0.9 \
-    --hash=sha256:2b020ecf7d21b687f219b71ecad3631f644a47f01403fa1d1036b0c6416d70fb \
-    --hash=sha256:5026bae9a10eeaefb61dab2f09052b9f4307d44aee4eda64b309723d8d206bbc
-    # via packaging
 ruff==0.0.165 \
     --hash=sha256:0d70502afbefac54f85a1754869f9cd3477dc33c9ae6ca2338a11ac2b780ed06 \
     --hash=sha256:133f076ceabc25ff5aec017fe8084b3eedd82ece28f287fbd2e1685bb14a2554 \

src/test/python_tests/test_server.py

@@ -60,6 +60,7 @@ def _handler(params):
                     "severity": 2,
                     "code": "F401",
                     "source": SERVER_INFO["name"],
+                    "tags": [1],
                 },
                 {
                     "range": {