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Use random magic when git hash don't exist

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This commit is contained in:
Aviv Palivoda
2019-07-22 19:12:15 +03:00
parent 054bc72062
commit fc0aa0c2ab
1 changed files with 4 additions and 0 deletions
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4
vm/src/import.rs
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@@ -1,6 +1,7 @@
/*
* Import mechanics
*/
use rand::Rng;
use crate::bytecode::CodeObject;
use crate::obj::{objcode, objsequence, objstr, objtype};
@@ -29,6 +30,9 @@ pub fn init_importlib(vm: &VirtualMachine, external: bool) -> PyResult {
let importlib_external = sys_modules.get_item("_frozen_importlib_external", vm)?;
let mut magic = get_git_revision().into_bytes();
magic.truncate(4);
if magic.len() != 4 {
magic = rand::thread_rng().gen::<[u8; 4]>().to_vec();
}
vm.set_attr(&importlib_external, "MAGIC_NUMBER", vm.ctx.new_bytes(magic))?;
}
Ok(vm.get_none())