Actually, rename TYP rules to TCH

README.md

@@ -144,7 +144,7 @@ developer of [Zulip](https://github.com/zulip/zulip):
    1. [flake8-commas (COM)](#flake8-commas-com)
    1. [flake8-no-pep420 (INP)](#flake8-no-pep420-inp)
    1. [flake8-executable (EXE)](#flake8-executable-exe)
-   1. [flake8-type-checking (TYC)](#flake8-type-checking-tyc)
+   1. [flake8-type-checking (TCH)](#flake8-type-checking-tch)
    1. [tryceratops (TRY)](#tryceratops-try)
    1. [flake8-use-pathlib (PTH)](#flake8-use-pathlib-pth)
    1. [Ruff-specific rules (RUF)](#ruff-specific-rules-ruf)<!-- End auto-generated table of contents. -->
@@ -1197,17 +1197,17 @@ For more, see [flake8-executable](https://pypi.org/project/flake8-executable/) o
 | EXE004 | shebang-whitespace | Avoid whitespace before shebang | 🛠 |
 | EXE005 | shebang-newline | Shebang should be at the beginning of the file |  |
 
-### flake8-type-checking (TYC)
+### flake8-type-checking (TCH)
 
 For more, see [flake8-type-checking](https://pypi.org/project/flake8-type-checking/) on PyPI.
 
 | Code | Name | Message | Fix |
 | ---- | ---- | ------- | --- |
-| TYC001 | typing-only-first-party-import | Move application import `{}` into a type-checking block |  |
-| TYC002 | typing-only-third-party-import | Move third-party import `{}` into a type-checking block |  |
-| TYC003 | typing-only-standard-library-import | Move standard library import `{}` into a type-checking block |  |
-| TYC004 | runtime-import-in-type-checking-block | Move import `{}` out of type-checking block. Import is used for more than type hinting. |  |
-| TYC005 | empty-type-checking-block | Found empty type-checking block |  |
+| TCH001 | typing-only-first-party-import | Move application import `{}` into a type-checking block |  |
+| TCH002 | typing-only-third-party-import | Move third-party import `{}` into a type-checking block |  |
+| TCH003 | typing-only-standard-library-import | Move standard library import `{}` into a type-checking block |  |
+| TCH004 | runtime-import-in-type-checking-block | Move import `{}` out of type-checking block. Import is used for more than type hinting. |  |
+| TCH005 | empty-type-checking-block | Found empty type-checking block |  |
 
 ### tryceratops (TRY)
 

resources/test/fixtures/flake8_type_checking/TYC001.py → resources/test/fixtures/flake8_type_checking/TCH001.py

@@ -1,6 +1,6 @@
 """Tests to determine first-party import classification.
 
-For typing-only import detection tests, see `TYC002.py`.
+For typing-only import detection tests, see `TCH002.py`.
 """
 
 

resources/test/fixtures/flake8_type_checking/TYC002.py → resources/test/fixtures/flake8_type_checking/TCH002.py

@@ -2,51 +2,51 @@
 
 
 def f():
-    import pandas as pd  # TYC002
+    import pandas as pd  # TCH002
 
     x: pd.DataFrame
 
 
 def f():
-    from pandas import DataFrame  # TYC002
+    from pandas import DataFrame  # TCH002
 
     x: DataFrame
 
 
 def f():
-    from pandas import DataFrame as df  # TYC002
+    from pandas import DataFrame as df  # TCH002
 
     x: df
 
 
 def f():
-    import pandas as pd  # TYC002
+    import pandas as pd  # TCH002
 
     x: pd.DataFrame = 1
 
 
 def f():
-    from pandas import DataFrame  # TYC002
+    from pandas import DataFrame  # TCH002
 
     x: DataFrame = 2
 
 
 def f():
-    from pandas import DataFrame as df  # TYC002
+    from pandas import DataFrame as df  # TCH002
 
     x: df = 3
 
 
 def f():
-    import pandas as pd  # TYC002
+    import pandas as pd  # TCH002
 
     x: "pd.DataFrame" = 1
 
 
 def f():
     import pandas as pd
 
-    x = dict["pd.DataFrame", "pd.DataFrame"]  # TYC002
+    x = dict["pd.DataFrame", "pd.DataFrame"]  # TCH002
 
 
 def f():

resources/test/fixtures/flake8_type_checking/TYC003.py → resources/test/fixtures/flake8_type_checking/TCH003.py

@@ -1,6 +1,6 @@
 """Tests to determine standard library import classification.
 
-For typing-only import detection tests, see `TYC002.py`.
+For typing-only import detection tests, see `TCH002.py`.
 """
 
 

resources/test/fixtures/flake8_type_checking/TYC005.py → resources/test/fixtures/flake8_type_checking/TCH005.py

@@ -1,7 +1,7 @@
 from typing import TYPE_CHECKING, List
 
 if TYPE_CHECKING:
-    pass  # TYC005
+    pass  # TCH005
 
 
 def example():

ruff.schema.json

@@ -1760,6 +1760,14 @@
         "T20",
         "T201",
         "T203",
+        "TCH",
+        "TCH0",
+        "TCH00",
+        "TCH001",
+        "TCH002",
+        "TCH003",
+        "TCH004",
+        "TCH005",
         "TID",
         "TID2",
         "TID25",
@@ -1777,14 +1785,6 @@
         "TRY30",
         "TRY300",
         "TRY301",
-        "TYC",
-        "TYC0",
-        "TYC00",
-        "TYC001",
-        "TYC002",
-        "TYC003",
-        "TYC004",
-        "TYC005",
         "UP",
         "UP0",
         "UP00",

src/flake8_to_ruff/plugin.rs

@@ -160,7 +160,7 @@ impl Plugin {
             Plugin::Flake8Return => RuleCodePrefix::RET.into(),
             Plugin::Flake8Simplify => RuleCodePrefix::SIM.into(),
             Plugin::Flake8TidyImports => RuleCodePrefix::TID.into(),
-            Plugin::Flake8TypeChecking => RuleCodePrefix::TYC.into(),
+            Plugin::Flake8TypeChecking => RuleCodePrefix::TCH.into(),
             Plugin::Flake8UnusedArguments => RuleCodePrefix::ARG.into(),
             Plugin::Flake8UsePathlib => RuleCodePrefix::PTH.into(),
             Plugin::McCabe => RuleCodePrefix::C9.into(),

src/registry.rs

@@ -429,11 +429,11 @@ ruff_macros::define_rule_mapping!(
     EXE004 => rules::flake8_executable::rules::ShebangWhitespace,
     EXE005 => rules::flake8_executable::rules::ShebangNewline,
     // flake8-type-checking
-    TYC001 => rules::flake8_type_checking::rules::TypingOnlyFirstPartyImport,
-    TYC002 => rules::flake8_type_checking::rules::TypingOnlyThirdPartyImport,
-    TYC003 => rules::flake8_type_checking::rules::TypingOnlyStandardLibraryImport,
-    TYC004 => rules::flake8_type_checking::rules::RuntimeImportInTypeCheckingBlock,
-    TYC005 => rules::flake8_type_checking::rules::EmptyTypeCheckingBlock,
+    TCH001 => rules::flake8_type_checking::rules::TypingOnlyFirstPartyImport,
+    TCH002 => rules::flake8_type_checking::rules::TypingOnlyThirdPartyImport,
+    TCH003 => rules::flake8_type_checking::rules::TypingOnlyStandardLibraryImport,
+    TCH004 => rules::flake8_type_checking::rules::RuntimeImportInTypeCheckingBlock,
+    TCH005 => rules::flake8_type_checking::rules::EmptyTypeCheckingBlock,
     // tryceratops
     TRY004 => rules::tryceratops::rules::PreferTypeError,
     TRY200 => rules::tryceratops::rules::ReraiseNoCause,
@@ -584,7 +584,7 @@ pub enum Linter {
     #[prefix = "EXE"]
     Flake8Executable,
     /// [flake8-type-checking](https://pypi.org/project/flake8-type-checking/)
-    #[prefix = "TYC"]
+    #[prefix = "TCH"]
     Flake8TypeChecking,
     /// [tryceratops](https://pypi.org/project/tryceratops/1.1.0/)
     #[prefix = "TRY"]

src/rule_redirects.rs

@@ -82,7 +82,7 @@ static REDIRECTS: Lazy<HashMap<&'static str, &'static str>> = Lazy::new(|| {
         ("PDV90", "PD90"),
         ("PDV901", "PD901"),
         // TODO(charlie): Remove by 2023-04-01.
-        ("TYP", "TYC"),
-        ("TYP001", "TYC001"),
+        ("TYP", "TCH"),
+        ("TYP001", "TCH001"),
     ])
 });

src/rules/flake8_type_checking/mod.rs

@@ -14,18 +14,18 @@ mod tests {
     use crate::registry::Rule;
     use crate::settings;
 
-    #[test_case(Rule::TypingOnlyFirstPartyImport, Path::new("TYC001.py"); "TYC001")]
-    #[test_case(Rule::TypingOnlyThirdPartyImport, Path::new("TYC002.py"); "TYC002")]
-    #[test_case(Rule::TypingOnlyStandardLibraryImport, Path::new("TYC003.py"); "TYC003")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_1.py"); "TYC004_1")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_2.py"); "TYC004_2")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_3.py"); "TYC004_3")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_4.py"); "TYC004_4")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_5.py"); "TYC004_5")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_6.py"); "TYC004_6")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_7.py"); "TYC004_7")]
-    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYC004_8.py"); "TYC004_8")]
-    #[test_case(Rule::EmptyTypeCheckingBlock, Path::new("TYC005.py"); "TYC005")]
+    #[test_case(Rule::TypingOnlyFirstPartyImport, Path::new("TCH001.py"); "TCH001")]
+    #[test_case(Rule::TypingOnlyThirdPartyImport, Path::new("TCH002.py"); "TCH002")]
+    #[test_case(Rule::TypingOnlyStandardLibraryImport, Path::new("TCH003.py"); "TCH003")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_1.py"); "TCH004_1")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_2.py"); "TCH004_2")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_3.py"); "TCH004_3")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_4.py"); "TCH004_4")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_5.py"); "TCH004_5")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_6.py"); "TCH004_6")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_7.py"); "TCH004_7")]
+    #[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TCH004_8.py"); "TCH004_8")]
+    #[test_case(Rule::EmptyTypeCheckingBlock, Path::new("TCH005.py"); "TCH005")]
     fn rules(rule_code: Rule, path: &Path) -> Result<()> {
         let snapshot = format!("{}_{}", rule_code.as_ref(), path.to_string_lossy());
         let diagnostics = test_path(

src/rules/flake8_type_checking/rules/empty_type_checking_block.rs

@@ -17,7 +17,7 @@ impl Violation for EmptyTypeCheckingBlock {
     }
 }
 
-/// TYC005
+/// TCH005
 pub fn empty_type_checking_block(checker: &mut Checker, test: &Expr, body: &[Stmt]) {
     if checker.resolve_call_path(test).map_or(false, |call_path| {
         call_path.as_slice() == ["typing", "TYPE_CHECKING"]

src/rules/flake8_type_checking/rules/runtime_import_in_type_checking_block.rs

@@ -22,7 +22,7 @@ impl Violation for RuntimeImportInTypeCheckingBlock {
     }
 }
 
-/// TYC004
+/// TCH004
 pub fn runtime_import_in_type_checking_block(
     binding: &Binding,
     blocks: &[&Stmt],

src/rules/flake8_type_checking/rules/typing_only_runtime_import.rs

@@ -55,7 +55,7 @@ impl Violation for TypingOnlyStandardLibraryImport {
     }
 }
 
-/// TYC001
+/// TCH001
 pub fn typing_only_runtime_import(
     binding: &Binding,
     blocks: &[&Stmt],