cpython-ext: rename fallible to anyhow_result

Summary: We no longer use the `failure` crate. Rename related methods and traits.

Reviewed By: markbt

Differential Revision: D19186694

fbshipit-source-id: 1c83a90ee12db431b7d8e09a9c2cf1d43a4c0f93

eden/scm/edenscmnative/bindings/modules/pydag/src/lib.rs

@@ -9,7 +9,7 @@
 
 use anyhow::Error;
 use cpython::*;
-use cpython_ext::{FallibleExt, ResultPyErrExt};
+use cpython_ext::{AnyhowResultExt, ResultPyErrExt};
 use dag::{
     id::{Group, Id},
     idmap::IdMap,
@@ -343,13 +343,13 @@ fn translate_get_parents<'a>(
     move |node: &[u8]| -> Result<Vec<Box<[u8]>>> {
         let mut result = Vec::new();
         let node = PyBytes::new(py, node);
-        let parents = get_parents.call(py, (node,), None).into_fallible()?;
-        for parent in parents.iter(py).into_fallible()? {
+        let parents = get_parents.call(py, (node,), None).into_anyhow_result()?;
+        for parent in parents.iter(py).into_anyhow_result()? {
             let parent = parent
-                .into_fallible()?
+                .into_anyhow_result()?
                 .cast_as::<PyBytes>(py)
                 .map_err(PyErr::from)
-                .into_fallible()?
+                .into_anyhow_result()?
                 .data(py)
                 .to_vec()
                 .into_boxed_slice();

eden/scm/lib/cpython-ext/src/error.rs

@@ -16,7 +16,7 @@ use std::fmt;
 /// Extends the `Result` type to allow conversion to `PyResult` from a native
 /// Rust result.
 ///
-/// If the error is created via [`FallibleExt`], the original Python error
+/// If the error is created via [`AnyhowResultExt`], the original Python error
 /// will be returned.
 ///
 /// # Examples
@@ -48,26 +48,26 @@ pub trait ResultPyErrExt<T> {
 ///
 /// ```
 /// use anyhow::Result;
-/// use cpython_ext::error::{FallibleExt, PyErr};
+/// use cpython_ext::error::{AnyhowResultExt, PyErr};
 ///
 /// fn eval_py() -> Result<i32> {
 ///     let gil = cpython::Python::acquire_gil();
 ///     let py = gil.python();
-///     let obj = py.eval("1 + 2", None, None).into_fallible()?;
-///     obj.extract(py).into_fallible()
+///     let obj = py.eval("1 + 2", None, None).into_anyhow_result()?;
+///     obj.extract(py).into_anyhow_result()
 /// }
 ///
 /// fn round_trip() -> cpython::PyResult<()> {
 ///     let gil = cpython::Python::acquire_gil();
 ///     let py = gil.python();
-///     let res = py.eval("1 + 2", None, None).into_fallible();
+///     let res = py.eval("1 + 2", None, None).into_anyhow_result();
 ///     use cpython_ext::error::ResultPyErrExt;
 ///     res.map(|_| ()).map_pyerr(py)
 /// }
 /// ```
 ///
-pub trait FallibleExt<T> {
-    fn into_fallible(self) -> Result<T>;
+pub trait AnyhowResultExt<T> {
+    fn into_anyhow_result(self) -> Result<T>;
 }
 
 py_exception!(error, PyIndexedLogError);
@@ -98,8 +98,8 @@ impl<T, E: Into<Error>> ResultPyErrExt<T> for Result<T, E> {
     }
 }
 
-impl<T> FallibleExt<T> for PyResult<T> {
-    fn into_fallible(self) -> Result<T> {
+impl<T> AnyhowResultExt<T> for PyResult<T> {
+    fn into_anyhow_result(self) -> Result<T> {
         self.map_err(|e| Error::new(PyErr::from(e)))
     }
 }

eden/scm/lib/cpython-ext/src/lib.rs

@@ -16,7 +16,7 @@ pub mod ser;
 
 pub use crate::bytearrayobject::{boxed_slice_to_pyobj, vec_to_pyobj};
 pub use crate::bytesobject::allocate_pybytes;
-pub use crate::error::{format_py_error, FallibleExt, PyErr, ResultPyErrExt};
+pub use crate::error::{format_py_error, AnyhowResultExt, PyErr, ResultPyErrExt};
 pub use crate::io::{wrap_pyio, WrappedIO};
 pub use crate::pybuf::SimplePyBuf;
 pub use crate::pyset::{pyset_add, pyset_new};