upstream/mercurial-mirror Files · rust/hg-pyo3/src/exceptions.rs

rust-pyo3: generic borrows of UnsafePyLeaked with error treatment...

rust-pyo3: generic borrows of UnsafePyLeaked with error treatment Maybe we will find later a more pleasant way to express safety. Meanwhile, these helpers are useful because of the proper error propagation, and will help to avoid too much cruft in the caller code.

Georges Racinet - - Load All Authors

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             exceptions.rs
        
                    34 lines
            
             | 1.1 KiB
            
                | application/rls-services+xml
            
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             / rust / hg-pyo3 / src / exceptions.rs
          
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      use pyo3::exceptions::PyValueError;

      use pyo3::import_exception;

      use pyo3::{create_exception, PyErr};

      use crate::revision::PyRevision;

      create_exception!(pyo3_rustext, GraphError, PyValueError);

      import_exception!(mercurial.error, WdirUnsupported);

      impl GraphError {

          pub fn from_hg(inner: hg::GraphError) -> PyErr {

              match inner {

                  hg::GraphError::ParentOutOfRange(r) => {

                      GraphError::new_err(("ParentOutOfRange", PyRevision(r.0)))

                  }

              }

          }

          pub fn from_vcsgraph(inner: vcsgraph::graph::GraphReadError) -> PyErr {

              match inner {

                  vcsgraph::graph::GraphReadError::InconsistentGraphData => {

                      GraphError::new_err("InconsistentGraphData")

                  }

                  vcsgraph::graph::GraphReadError::InvalidKey => {

                      GraphError::new_err("ParentOutOfRange")

                  }

                  vcsgraph::graph::GraphReadError::KeyedInvalidKey(r) => {

                      GraphError::new_err(("ParentOutOfRange", r))

                  }

                  vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported => {

                      WdirUnsupported::new_err(())

                  }

              }

          }

      }

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				use pyo3::exceptions::PyValueError;
				use pyo3::import_exception;
				use pyo3::{create_exception, PyErr};

				use crate::revision::PyRevision;

				create_exception!(pyo3_rustext, GraphError, PyValueError);
				import_exception!(mercurial.error, WdirUnsupported);

				impl GraphError {
				pub fn from_hg(inner: hg::GraphError) -> PyErr {
				match inner {
				hg::GraphError::ParentOutOfRange(r) => {
				GraphError::new_err(("ParentOutOfRange", PyRevision(r.0)))
				}
				}
				}
				pub fn from_vcsgraph(inner: vcsgraph::graph::GraphReadError) -> PyErr {
				match inner {
				vcsgraph::graph::GraphReadError::InconsistentGraphData => {
				GraphError::new_err("InconsistentGraphData")
				}
				vcsgraph::graph::GraphReadError::InvalidKey => {
				GraphError::new_err("ParentOutOfRange")
				}
				vcsgraph::graph::GraphReadError::KeyedInvalidKey(r) => {
				GraphError::new_err(("ParentOutOfRange", r))
				}
				vcsgraph::graph::GraphReadError::WorkingDirectoryUnsupported => {
				WdirUnsupported::new_err(())
				}
				}
				}
				}