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builtins: Implement ascii builtin API #1181

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Merged
merged 1 commit into from
Jul 28, 2019
Merged

builtins: Implement ascii builtin API #1181

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4 changes: 4 additions & 0 deletions tests/snippets/builtin_ascii.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
assert ascii('hello world') == "'hello world'"
assert ascii('안녕 세상') == "'\\uc548\\ub155 \\uc138\\uc0c1'"
assert ascii('안녕 RustPython') == "'\\uc548\\ub155 RustPython'"
assert ascii(5) == '5'
15 changes: 14 additions & 1 deletion vm/src/builtins.rs
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Expand Up @@ -59,7 +59,19 @@ fn builtin_any(iterable: PyIterable<bool>, vm: &VirtualMachine) -> PyResult<bool
Ok(false)
}

// builtin_ascii
fn builtin_ascii(obj: PyObjectRef, vm: &VirtualMachine) -> PyResult<String> {
let repr = vm.to_repr(&obj)?;
let mut ascii = String::new();
for c in repr.value.chars() {
if c.is_ascii() {
ascii.push(c)
} else {
let hex = format!("\\u{:x}", c as i64);
ascii.push_str(&hex)
}
}
Ok(ascii)
}

fn builtin_bin(x: PyIntRef, _vm: &VirtualMachine) -> String {
let x = x.as_bigint();
Expand Down Expand Up @@ -788,6 +800,7 @@ pub fn make_module(vm: &VirtualMachine, module: PyObjectRef) {
"abs" => ctx.new_rustfunc(builtin_abs),
"all" => ctx.new_rustfunc(builtin_all),
"any" => ctx.new_rustfunc(builtin_any),
"ascii" => ctx.new_rustfunc(builtin_ascii),
"bin" => ctx.new_rustfunc(builtin_bin),
"bool" => ctx.bool_type(),
"bytearray" => ctx.bytearray_type(),
Expand Down