upstream/mercurial-mirror Files · rust/hg-cpython/src/utils.rs

chg: fix chg to work with py3.7+ "coercing" the locale...

chg: fix chg to work with py3.7+ "coercing" the locale When the environment is empty (specifically: it doesn't contain LC_ALL, LC_CTYPE, or LANG), Python will "coerce" the locale environment variables to be a UTF-8 capable one. It sets LC_CTYPE in the environment, and this breaks chg, since chg operates by: - start hg, using whatever environment the user has when chg starts - hg stores a hash of this "original" environment, but python has already set LC_CTYPE even though the user doesn't have it in their environment - chg calls setenv over the commandserver. This clears the environment inside of hg and sets it to be exactly what the environment in chg is (without LC_CTYPE). - chg calls validate to ensure that the environment hg is using (after the setenv call) is the one that the chg process has - if not, it is assumed the user changed their environment and we should use a different server. This will *never* be true in this situation because LC_CTYPE was removed. Differential Revision: https://phab.mercurial-scm.org/D7550

Raphaël Gomès - - Load All Authors

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             utils.rs
        
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                | application/rls-services+xml
            
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             / rust / hg-cpython / src / utils.rs
          
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      use cpython::{PyDict, PyObject, PyResult, PyTuple, Python};

      #[allow(unused)]

      pub fn print_python_trace(py: Python) -> PyResult<PyObject> {

          eprintln!("===============================");

          eprintln!("Printing Python stack from Rust");

          eprintln!("===============================");

          let traceback = py.import("traceback")?;

          let sys = py.import("sys")?;

          let kwargs = PyDict::new(py);

          kwargs.set_item(py, "file", sys.get(py, "stderr")?)?;

          traceback.call(py, "print_stack", PyTuple::new(py, &[]), Some(&kwargs))

      }

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				use cpython::{PyDict, PyObject, PyResult, PyTuple, Python};

				#[allow(unused)]
				pub fn print_python_trace(py: Python) -> PyResult<PyObject> {
				eprintln!("===============================");
				eprintln!("Printing Python stack from Rust");
				eprintln!("===============================");
				let traceback = py.import("traceback")?;
				let sys = py.import("sys")?;
				let kwargs = PyDict::new(py);
				kwargs.set_item(py, "file", sys.get(py, "stderr")?)?;
				traceback.call(py, "print_stack", PyTuple::new(py, &[]), Some(&kwargs))
				}