RustPython · youknowone · Jun 21, 2025 · Jun 20, 2025 · Jun 20, 2025 · Jun 20, 2025
diff --git a/vm/src/bytes_inner.rs b/vm/src/bytes_inner.rs
@@ -214,7 +214,7 @@ pub struct ByteInnerTranslateOptions {
 impl ByteInnerTranslateOptions {
     pub fn get_value(self, vm: &VirtualMachine) -> PyResult<(Vec<u8>, Vec<u8>)> {
         let table = self.table.map_or_else(
-            || Ok((0..=255).collect::<Vec<u8>>()),
+            || Ok((0..=u8::MAX).collect::<Vec<u8>>()),
             |v| {
                 let bytes = v
                     .try_into_value::<PyBytesInner>(vm)
@@ -424,8 +424,8 @@ impl PyBytesInner {
         let mut new: Vec<u8> = Vec::with_capacity(self.elements.len());
         for w in &self.elements {
             match w {
-                65..=90 => new.push(w.to_ascii_lowercase()),
-                97..=122 => new.push(w.to_ascii_uppercase()),
+                b'A'..=b'Z' => new.push(w.to_ascii_lowercase()),
+                b'a'..=b'z' => new.push(w.to_ascii_uppercase()),
                 x => new.push(*x),
             }
         }
@@ -491,10 +491,11 @@ impl PyBytesInner {
         vm: &VirtualMachine,
     ) -> PyResult<Vec<u8>> {
         let (width, fillchar) = options.get_value("center", vm)?;
-        Ok(if self.len() as isize >= width {
+        let len = self.len();
+        Ok(if len as isize >= width {
             Vec::from(&self.elements[..])
         } else {
-            pad(&self.elements, width as usize, fillchar, self.len())
+            pad(&self.elements, width as usize, fillchar, len)
         })
     }
 
@@ -564,7 +565,7 @@ impl PyBytesInner {
         }
         let mut res = vec![];
 
-        for i in 0..=255 {
+        for i in 0..=u8::MAX {
             res.push(if let Some(position) = from.elements.find_byte(i) {
                 to.elements[position]
             } else {
@@ -929,7 +930,7 @@ impl PyBytesInner {
 
         for i in &self.elements {
             match i {
-                65..=90 | 97..=122 => {
+                b'A'..=b'Z' | b'a'..=b'z' => {
                     if spaced {
                         res.push(i.to_ascii_uppercase());
                         spaced = false
@@ -1011,6 +1012,7 @@ impl AnyStrWrapper<[u8]> for PyBytesInner {
     fn as_ref(&self) -> Option<&[u8]> {
         Some(&self.elements)
     }
+
     fn is_empty(&self) -> bool {
         self.elements.is_empty()
     }
@@ -1036,9 +1038,11 @@ impl anystr::AnyChar for u8 {
     fn is_lowercase(self) -> bool {
         self.is_ascii_lowercase()
     }
+
     fn is_uppercase(self) -> bool {
         self.is_ascii_uppercase()
     }
+
     fn bytes_len(self) -> usize {
         1
     }

diff --git a/vm/src/dict_inner.rs b/vm/src/dict_inner.rs
@@ -146,6 +146,7 @@ impl GenIndexes {
             mask,
         }
     }
+
     fn next(&mut self) -> usize {
         let prev = self.idx;
         self.idx = prev

diff --git a/vm/src/exceptions.rs b/vm/src/exceptions.rs
@@ -237,9 +237,10 @@ impl VirtualMachine {
                 let colno = offset - 1 - spaces;
                 let end_colno = end_offset - 1 - spaces;
                 if colno >= 0 {
-                    let caret_space = l_text.chars().collect::<Vec<_>>()[..colno as usize]
-                        .iter()
-                        .map(|c| if c.is_whitespace() { *c } else { ' ' })
+                    let caret_space = l_text
+                        .chars()
+                        .take(colno as usize)
+                        .map(|c| if c.is_whitespace() { c } else { ' ' })
                         .collect::<String>();
 
                     let mut error_width = end_colno - colno;
@@ -1619,24 +1620,23 @@ pub(super) mod types {
                     .clone()
                     .downcast::<crate::builtins::PyTuple>()
                 {
-                    #[allow(clippy::len_zero)]
-                    if location_tuple.len() >= 1 {
-                        zelf.set_attr("filename", location_tuple.fast_getitem(0).clone(), vm)?;
-                    }
-                    if location_tuple.len() >= 2 {
-                        zelf.set_attr("lineno", location_tuple.fast_getitem(1).clone(), vm)?;
-                    }
-                    if location_tuple.len() >= 3 {
-                        zelf.set_attr("offset", location_tuple.fast_getitem(2).clone(), vm)?;
-                    }
-                    if location_tuple.len() >= 4 {
-                        zelf.set_attr("text", location_tuple.fast_getitem(3).clone(), vm)?;
-                    }
-                    if location_tuple.len() >= 5 {
-                        zelf.set_attr("end_lineno", location_tuple.fast_getitem(4).clone(), vm)?;
-                    }
-                    if location_tuple.len() >= 6 {
-                        zelf.set_attr("end_offset", location_tuple.fast_getitem(5).clone(), vm)?;
+                    let location_tup_len = location_tuple.len();
+                    for (i, &attr) in [
+                        "filename",
+                        "lineno",
+                        "offset",
+                        "text",
+                        "end_lineno",
+                        "end_offset",
+                    ]
+                    .iter()
+                    .enumerate()
+                    {
+                        if location_tup_len > i {
+                            zelf.set_attr(attr, location_tuple.fast_getitem(i).clone(), vm)?;
+                        } else {
+                            break;
+                        }
                     }
                 }
             }

diff --git a/vm/src/readline.rs b/vm/src/readline.rs
@@ -138,15 +138,19 @@ impl<H: Helper> Readline<H> {
     pub fn new(helper: H) -> Self {
         Readline(readline_inner::Readline::new(helper))
     }
+
     pub fn load_history(&mut self, path: &Path) -> OtherResult<()> {
         self.0.load_history(path)
     }
+
     pub fn save_history(&mut self, path: &Path) -> OtherResult<()> {
         self.0.save_history(path)
     }
+
     pub fn add_history_entry(&mut self, entry: &str) -> OtherResult<()> {
         self.0.add_history_entry(entry)
     }
+
     pub fn readline(&mut self, prompt: &str) -> ReadlineResult {
         self.0.readline(prompt)
     }

diff --git a/vm/src/sliceable.rs b/vm/src/sliceable.rs
@@ -331,6 +331,7 @@ impl SequenceIndexOp for BigInt {
             self.try_into().unwrap_or(len)
         }
     }
+
     fn wrapped_at(&self, _len: usize) -> Option<usize> {
         unimplemented!("please add one once we need it")
     }
-Original file line number
+Diff line change
@@ Expand Up / @@ -146,6 +146,7 @@ impl GenIndexes { @@
                 mask,
             }
         }
         fn next(&mut self) -> usize {
             let prev = self.idx;
             self.idx = prev
@@ Expand Down @@