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manifest: introduce new exception to signal unavailability of fastdelta()...

manifest: introduce new exception to signal unavailability of fastdelta() I've spent some time reflecting on this, and I think this is the best we can do in this API contract for now. This opens the door to adding treemanifest's implementation to the list of implementers of imanifestdict. Differential Revision: https://phab.mercurial-scm.org/D8365

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             debug.rs
        
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        Raphaël Gomès
    
rust-cpython: add `debug` module to expose debug information to Python...

              r45018
            
      // debug.rs

      //

      // Copyright 2020 Raphaël Gomès <rgomes@octobus.net>

      //

      // This software may be used and distributed according to the terms of the

      // GNU General Public License version 2 or any later version.

      //! Module to get debug information about Rust extensions.

      use cpython::{PyDict, PyModule, PyResult, Python};

      /// Create the module, with `__package__` given from parent

      pub fn init_module(py: Python, package: &str) -> PyResult<PyModule> {

          let dotted_name = &format!("{}.debug", package);

          let m = PyModule::new(py, dotted_name)?;

          m.add(py, "__package__", package)?;

          m.add(py, "__doc__", "Rust debugging information")?;

          m.add(py, "re2_installed", cfg!(feature = "with-re2"))?;

          let sys = PyModule::import(py, "sys")?;

          let sys_modules: PyDict = sys.get(py, "modules")?.extract(py)?;

          sys_modules.set_item(py, dotted_name, &m)?;

          Ok(m)

      }

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Raphaël Gomès rust-cpython: add `debug` module to expose debug information to Python...	r45018	// debug.rs
		//
		// Copyright 2020 Raphaël Gomès <rgomes@octobus.net>
		//
		// This software may be used and distributed according to the terms of the
		// GNU General Public License version 2 or any later version.

		//! Module to get debug information about Rust extensions.
		use cpython::{PyDict, PyModule, PyResult, Python};

		/// Create the module, with `__package__` given from parent
		pub fn init_module(py: Python, package: &str) -> PyResult<PyModule> {
		let dotted_name = &format!("{}.debug", package);
		let m = PyModule::new(py, dotted_name)?;

		m.add(py, "__package__", package)?;
		m.add(py, "__doc__", "Rust debugging information")?;

		m.add(py, "re2_installed", cfg!(feature = "with-re2"))?;

		let sys = PyModule::import(py, "sys")?;
		let sys_modules: PyDict = sys.get(py, "modules")?.extract(py)?;
		sys_modules.set_item(py, dotted_name, &m)?;

		Ok(m)
		}