diff --git a/eden/scm/edenscmnative/bindings/Cargo.toml b/eden/scm/edenscmnative/bindings/Cargo.toml
index 2f58ee033a..a528039a44 100644
--- a/eden/scm/edenscmnative/bindings/Cargo.toml
+++ b/eden/scm/edenscmnative/bindings/Cargo.toml
@@ -32,6 +32,7 @@ pydirs = { path = "modules/pydirs" }
 pyeagerepo = { path = "modules/pyeagerepo" }
 pyedenapi = { path = "modules/pyedenapi" }
 pyerror = { path = "modules/pyerror" }
+pyfail = { path = "modules/pyfail" }
 pyfs = { path = "modules/pyfs" }
 pyhgmetrics = { path = "modules/pyhgmetrics" }
 pyhgtime = { path = "modules/pyhgtime" }
diff --git a/eden/scm/edenscmnative/bindings/modules/pyfail/Cargo.toml b/eden/scm/edenscmnative/bindings/modules/pyfail/Cargo.toml
new file mode 100644
index 0000000000..5d690a1732
--- /dev/null
+++ b/eden/scm/edenscmnative/bindings/modules/pyfail/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "pyfail"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+cpython_ext = { path = "../../../../lib/cpython-ext", default-features = false }
+cpython = { version = "0.5", default-features = false }
+fail = "0.4"
+
+[features]
+default = []
+python2 = ["cpython/python27-sys", "cpython_ext/python2"]
+python3 = ["cpython/python3-sys", "cpython_ext/python3"]
diff --git a/eden/scm/edenscmnative/bindings/modules/pyfail/src/lib.rs b/eden/scm/edenscmnative/bindings/modules/pyfail/src/lib.rs
new file mode 100644
index 0000000000..c2fea7e544
--- /dev/null
+++ b/eden/scm/edenscmnative/bindings/modules/pyfail/src/lib.rs
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This software may be used and distributed according to the terms of the
+ * GNU General Public License version 2.
+ */
+
+use cpython::*;
+use cpython_ext::PyNone;
+use std::io;
+
+pub fn init_module(py: Python, package: &str) -> PyResult<PyModule> {
+    let name = [package, "fail"].join(".");
+    let m = PyModule::new(py, &name)?;
+    m.add(py, "failpoint", py_fn!(py, failpoint(name: &str)))?;
+    Ok(m)
+}
+
+fn failpoint(py: Python, name: &str) -> PyResult<PyNone> {
+    if let Some(e) = fail::eval(name, |_| fail_error(name)) {
+        Err(cpython_ext::error::translate_io_error(py, &e).into())
+    } else {
+        Ok(PyNone)
+    }
+}
+
+fn fail_error(name: &str) -> io::Error {
+    io::Error::new(
+        io::ErrorKind::Other,
+        format!("failpoint '{}' set by FAILPOINTS", name),
+    )
+}
diff --git a/eden/scm/edenscmnative/bindings/src/modules.rs b/eden/scm/edenscmnative/bindings/src/modules.rs
index 95e40d3cb7..29c681a234 100644
--- a/eden/scm/edenscmnative/bindings/src/modules.rs
+++ b/eden/scm/edenscmnative/bindings/src/modules.rs
@@ -30,6 +30,7 @@ pub(crate) fn populate_module(py: Python<'_>, module: &PyModule) -> PyResult<PyN
     m.add(py, "eagerepo", pyeagerepo::init_module(py, &name)?)?;
     m.add(py, "edenapi", pyedenapi::init_module(py, &name)?)?;
     m.add(py, "error", pyerror::init_module(py, &name)?)?;
+    m.add(py, "fail", pyfail::init_module(py, &name)?)?;
     m.add(py, "fs", pyfs::init_module(py, &name)?)?;
     m.add(py, "hgmetrics", pyhgmetrics::init_module(py, &name)?)?;
     m.add(py, "hgtime", pyhgtime::init_module(py, &name)?)?;