35840221bb
- SearchTerm -> SearchNode - Operator -> Joiner; share between messages - build_search_string() supports specifying AND/OR as a convenience - group_searches() makes it easier to negate
105 lines
3.2 KiB
Rust
105 lines
3.2 KiB
Rust
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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use anki::backend::{init_backend, Backend as RustBackend, BackendMethod};
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use pyo3::exceptions::PyException;
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use pyo3::prelude::*;
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use pyo3::types::PyBytes;
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use pyo3::{create_exception, wrap_pyfunction};
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use std::convert::TryFrom;
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// Regular backend
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//////////////////////////////////
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#[pyclass(module = "rsbridge")]
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struct Backend {
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backend: RustBackend,
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}
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create_exception!(rsbridge, BackendError, PyException);
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#[pyfunction]
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fn buildhash() -> &'static str {
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anki::version::buildhash()
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}
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#[pyfunction]
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fn open_backend(init_msg: &PyBytes) -> PyResult<Backend> {
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match init_backend(init_msg.as_bytes()) {
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Ok(backend) => Ok(Backend { backend }),
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Err(e) => Err(PyException::new_err(e)),
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}
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}
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fn want_release_gil(method: u32) -> bool {
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if let Ok(method) = BackendMethod::try_from(method) {
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!matches!(
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method,
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BackendMethod::ExtractAVTags
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| BackendMethod::ExtractLatex
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| BackendMethod::RenderExistingCard
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| BackendMethod::RenderUncommittedCard
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| BackendMethod::StripAVTags
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| BackendMethod::SchedTimingToday
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| BackendMethod::AddOrUpdateDeckLegacy
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| BackendMethod::NewDeckLegacy
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| BackendMethod::NewDeckConfigLegacy
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| BackendMethod::GetStockNotetypeLegacy
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| BackendMethod::StudiedToday
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| BackendMethod::TranslateString
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| BackendMethod::FormatTimespan
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| BackendMethod::LatestProgress
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| BackendMethod::SetWantsAbort
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| BackendMethod::I18nResources
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| BackendMethod::JoinSearchNodes
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| BackendMethod::ReplaceSearchNode
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| BackendMethod::BuildSearchString
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)
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} else {
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false
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}
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}
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#[pymethods]
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impl Backend {
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fn command(&self, py: Python, method: u32, input: &PyBytes) -> PyResult<PyObject> {
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let in_bytes = input.as_bytes();
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if want_release_gil(method) {
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py.allow_threads(|| self.backend.run_command_bytes(method, in_bytes))
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} else {
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self.backend.run_command_bytes(method, in_bytes)
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}
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.map(|out_bytes| {
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let out_obj = PyBytes::new(py, &out_bytes);
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out_obj.into()
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})
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.map_err(BackendError::new_err)
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}
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/// This takes and returns JSON, due to Python's slow protobuf
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/// encoding/decoding.
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fn db_command(&self, py: Python, input: &PyBytes) -> PyResult<PyObject> {
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let in_bytes = input.as_bytes();
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let out_res = py.allow_threads(|| {
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self.backend
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.run_db_command_bytes(in_bytes)
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.map_err(BackendError::new_err)
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});
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let out_bytes = out_res?;
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let out_obj = PyBytes::new(py, &out_bytes);
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Ok(out_obj.into())
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}
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}
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// Module definition
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//////////////////////////////////
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#[pymodule]
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fn rsbridge(_py: Python, m: &PyModule) -> PyResult<()> {
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m.add_class::<Backend>()?;
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m.add_wrapped(wrap_pyfunction!(buildhash)).unwrap();
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m.add_wrapped(wrap_pyfunction!(open_backend)).unwrap();
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Ok(())
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}
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