interpretthis 0.2.0

Sandboxed Python AST interpreter for untrusted and LLM-generated code
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

// Copyright 2026 Thomas Santerre and Moderately AI Inc.
//
// SPDX-License-Identifier: MIT OR Apache-2.0

/// Configuration for the interpreter's resource limits and concurrency.
///
/// `Default::default()` provides sensible production defaults; callers
/// override individual fields with struct update syntax.
#[derive(Debug, Clone)]
#[non_exhaustive]
pub struct InterpreterConfig {
    /// Maximum AST operations before execution is aborted. Default: 10M.
    pub max_operations: u64,
    /// Maximum iterations per while loop. Default: 100K.
    pub max_while_iterations: u64,
    /// Maximum interpreter state size in bytes. Default: 128MB.
    pub max_memory_bytes: u64,
    /// Maximum captured print output in bytes. Default: 64KB.
    pub max_stdout_bytes: u64,
    /// Maximum concurrent parallelizable tool executions. Default: 10.
    pub max_concurrent_tools: u32,
    /// Soft wall-clock budget. `None` means no limit (default).
    ///
    /// Checked cooperatively every 100 operations — a single long-running
    /// tool future is not pre-empted mid-await.
    pub max_execution_time: Option<std::time::Duration>,
    /// Maximum nested user-function / lambda call depth before the
    /// interpreter aborts with `RecursionLimitExceeded`. Default:
    /// 1000, matching CPython's `sys.getrecursionlimit()`. Without
    /// this, `def f(): f()` is only bounded indirectly by
    /// `max_memory_bytes` and surfaces as the less informative
    /// `LimitExceeded(memory)`.
    pub max_recursion_depth: u32,
}

impl Default for InterpreterConfig {
    fn default() -> Self {
        Self {
            max_operations: 10_000_000,
            max_while_iterations: 100_000,
            max_memory_bytes: 128 * 1024 * 1024,
            max_stdout_bytes: 64 * 1024,
            max_concurrent_tools: 10,
            max_execution_time: None,
            max_recursion_depth: 1000,
        }
    }
}