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Merged
youknowone merged 5 commits into from
Jan 4, 2026
Merged

vm.run_pyc_bytes #6645

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20aacae
rustpython_vm::import::check_pyc_magic_number_bytes
youknowone Jan 4, 2026
0a4a153
vm.new_scope_with_main
youknowone Jan 4, 2026
7e33efa
PyCode::from_pyc
youknowone Jan 4, 2026
5e90531
vm.run_pyc_bytes
youknowone Jan 4, 2026
8634a91
add boundary check
youknowone Jan 4, 2026
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PyCode::from_pyc
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@youknowone
youknowone committed Jan 4, 2026
commit 7e33efa5258a221f4d1bc4b9ba833f2d07d4f35c
36 changes: 34 additions & 2 deletions crates/vm/src/builtins/code.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,11 @@

use super::{PyBytesRef, PyStrRef, PyTupleRef, PyType};
use crate::{
AsObject, Context, Py, PyObject, PyObjectRef, PyPayload, PyResult, VirtualMachine,
AsObject, Context, Py, PyObject, PyObjectRef, PyPayload, PyRef, PyResult, VirtualMachine,
builtins::PyStrInterned,
bytecode::{self, AsBag, BorrowedConstant, CodeFlags, Constant, ConstantBag},
class::{PyClassImpl, StaticType},
convert::ToPyObject,
convert::{ToPyException, ToPyObject},
frozen,
function::OptionalArg,
types::{Constructor, Representable},
Expand Down Expand Up @@ -336,6 +336,38 @@ impl PyCode {
pub const fn new(code: CodeObject) -> Self {
Self { code }
}
pub fn from_pyc_path(path: &std::path::Path, vm: &VirtualMachine) -> PyResult<PyRef<Self>> {
let name = match path.file_stem() {
Some(stem) => stem.display().to_string(),
None => "".to_owned(),
};
let content = std::fs::read(path).map_err(|e| e.to_pyexception(vm))?;
Self::from_pyc(
&content,
Some(&name),
Some(&path.display().to_string()),
Some("<source>"),
vm,
)
}
pub fn from_pyc(
pyc_bytes: &[u8],
name: Option<&str>,
bytecode_path: Option<&str>,
source_path: Option<&str>,
vm: &VirtualMachine,
) -> PyResult<PyRef<Self>> {
if !crate::import::check_pyc_magic_number_bytes(pyc_bytes) {
return Err(vm.new_runtime_error("pyc bytes has wrong MAGIC"));
}
let bootstrap_external = vm.import("_frozen_importlib_external", 0)?;
let compile_bytecode = bootstrap_external.get_attr("_compile_bytecode", vm)?;
let code_bytes = &pyc_bytes[16..];
let code_bytes_obj = vm.ctx.new_bytes(code_bytes.to_vec());
let compiled =
compile_bytecode.call((code_bytes_obj, name, bytecode_path, source_path), vm)?;
compiled.try_downcast(vm)
}
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}

impl fmt::Debug for PyCode {
Expand Down