Basic groundwork laid

src/checkers/ast.rs

@@ -1038,6 +1038,9 @@ where
                 if self.settings.rules.enabled(&Rule::RewriteCElementTree) {
                     pyupgrade::rules::replace_c_element_tree(self, stmt);
                 }
+                if self.settings.rules.enabled(&Rule::ImportReplacements) {
+                    pyupgrade::rules::import_replacements(self, stmt, names, module);
+                }
                 if self.settings.rules.enabled(&Rule::UnnecessaryBuiltinImport) {
                     if let Some(module) = module.as_deref() {
                         pyupgrade::rules::unnecessary_builtin_import(self, stmt, module, names);

src/registry.rs

@@ -251,7 +251,8 @@ ruff_macros::define_rule_mapping!(
     UP029 => violations::UnnecessaryBuiltinImport,
     UP030 => violations::FormatLiterals,
     UP032 => violations::FString,
-        UP033 => violations::FunctoolsCache,
+    UP033 => violations::FunctoolsCache,
+    UP035 => violations::ImportReplacements,
     // pydocstyle
     D100 => violations::PublicModule,
     D101 => violations::PublicClass,

src/rules/pyupgrade/rules/import_replacements.rs

@@ -0,0 +1,12 @@
+use rustpython_ast::{Located, Stmt, StmtKind, AliasData};
+use crate::ast::types::Range;
+use crate::checkers::ast::Checker;
+use crate::fix::Fix;
+use crate::registry::Diagnostic;
+use crate::violations;
+
+/// UP035
+pub fn import_replacements(checker: &mut Checker, stmt: &Stmt, names: &Vec<Located<AliasData>>, module: &str) {
+    // Pyupgrade only works with import_from statements, so this library does that as well
+
+}

src/rules/pyupgrade/rules/mod.rs

@@ -32,6 +32,7 @@ pub(crate) use use_pep585_annotation::use_pep585_annotation;
 pub(crate) use use_pep604_annotation::use_pep604_annotation;
 pub(crate) use useless_metaclass_type::useless_metaclass_type;
 pub(crate) use useless_object_inheritance::useless_object_inheritance;
+pub(crate) use import_replacements::import_replacements;
 
 use crate::ast::helpers;
 use crate::ast::types::{Range, Scope, ScopeKind};
@@ -69,6 +70,7 @@ mod use_pep585_annotation;
 mod use_pep604_annotation;
 mod useless_metaclass_type;
 mod useless_object_inheritance;
+mod import_replacements;
 
 /// UP008
 pub fn super_args(

src/violations.rs

@@ -3180,6 +3180,20 @@ impl AlwaysAutofixableViolation for FunctoolsCache {
     }
 }
 
+define_violation!(
+    pub struct ImportReplacements;
+);
+impl AlwaysAutofixableViolation for ImportReplacements {
+    #[derive_message_formats]
+    fn message(&self) -> String {
+        format!("Replace old formatting imports with their new versions")
+    }
+
+    fn autofix_title(&self) -> String {
+        "Updated the import".to_string()
+    }
+}
+
 // pydocstyle
 
 define_violation!(