mirror of
https://github.com/ankitects/anki.git
synced 2025-09-18 14:02:21 -04:00
Move protobuf generation into a separate crate; write .py interface in Rust
A couple of motivations for this: - genbackend.py was somewhat messy, and difficult to change with the lack of types. The mobile clients used it as a base for their generation, so improving it will make life easier for them too, once they're ported. - It will make it easier to write a .ts generator in the future - We currently implement a bunch of helper methods on protobuf types which don't allow us to compile the protobuf types until we compile the Anki crate. If we change this in the future, we will be able to do more of the compilation up-front. We no longer need to record the services in the proto file, as we can extract the service order from the compiled protos. Support for map types has also been added.
This commit is contained in:
Damien Elmes
parent
686b596d08
commit
bac05039a7
19 changed files with 542 additions and 460 deletions
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@ -1,5 +1,6 @@
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[env]
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STRINGS_JSON = { value = "out/rslib/i18n/strings.json", relative = true }
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DESCRIPTORS_BIN = { value = "out/rslib/proto/descriptors.bin", relative = true }
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# build script will append .exe if necessary
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PROTOC = { value = "out/extracted/protoc/bin/protoc", relative = true }
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PYO3_NO_PYTHON = "1"
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45
Cargo.lock
generated
45
Cargo.lock
generated
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@ -83,6 +83,8 @@ version = "0.0.0"
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dependencies = [
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"ammonia",
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"anki_i18n",
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"anki_proto",
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"anyhow",
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"async-compression",
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"async-stream",
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"async-trait",
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@ -106,6 +108,7 @@ dependencies = [
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"htmlescape",
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"hyper",
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"id_tree",
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"inflections",
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"itertools",
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"lazy_static",
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"nom",
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@ -117,6 +120,8 @@ dependencies = [
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"pin-project",
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"prost",
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"prost-build",
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"prost-reflect",
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"prost-types",
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"pulldown-cmark 0.9.2",
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"rand 0.8.5",
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"regex",
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@ -180,6 +185,17 @@ dependencies = [
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"workspace-hack",
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]
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[[package]]
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name = "anki_proto"
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version = "0.0.0"
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dependencies = [
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"anyhow",
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"inflections",
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"prost-build",
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"prost-reflect",
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"prost-types",
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]
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[[package]]
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name = "anstream"
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version = "0.2.6"
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@ -2956,9 +2972,9 @@ dependencies = [
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[[package]]
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name = "prost"
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version = "0.11.8"
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version = "0.11.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e48e50df39172a3e7eb17e14642445da64996989bc212b583015435d39a58537"
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checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
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dependencies = [
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"bytes",
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"prost-derive",
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@ -2966,9 +2982,9 @@ dependencies = [
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[[package]]
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name = "prost-build"
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version = "0.11.8"
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version = "0.11.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2c828f93f5ca4826f97fedcbd3f9a536c16b12cff3dbbb4a007f932bbad95b12"
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checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
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dependencies = [
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"bytes",
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"heck",
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@ -2988,9 +3004,9 @@ dependencies = [
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[[package]]
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name = "prost-derive"
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version = "0.11.8"
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version = "0.11.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4ea9b0f8cbe5e15a8a042d030bd96668db28ecb567ec37d691971ff5731d2b1b"
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checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
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dependencies = [
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"anyhow",
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"itertools",
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@ -3000,10 +3016,21 @@ dependencies = [
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]
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[[package]]
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name = "prost-types"
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version = "0.11.8"
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name = "prost-reflect"
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version = "0.11.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "379119666929a1afd7a043aa6cf96fa67a6dce9af60c88095a4686dbce4c9c88"
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checksum = "000e1e05ebf7b26e1eba298e66fe4eee6eb19c567d0ffb35e0dd34231cdac4c8"
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dependencies = [
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"once_cell",
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"prost",
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"prost-types",
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]
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[[package]]
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name = "prost-types"
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version = "0.11.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
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dependencies = [
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"prost",
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]
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@ -11,6 +11,7 @@ members = [
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"rslib/i18n",
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"rslib/i18n_helpers",
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"rslib/linkchecker",
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"rslib/proto",
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"pylib/rsbridge",
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"build/configure",
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"build/ninja_gen",
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@ -26,20 +26,7 @@ pub fn build_pylib(build: &mut Build) -> Result<()> {
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proto_files: inputs![glob!["proto/anki/*.proto"]],
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},
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)?;
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build.add(
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"pylib/anki:_backend_generated.py",
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RunCommand {
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command: ":pyenv:bin",
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args: "$script $out",
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inputs: hashmap! {
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"script" => inputs!["pylib/tools/genbackend.py"],
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"" => inputs!["pylib/anki/_vendor/stringcase.py", ":pylib/anki:proto"]
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},
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outputs: hashmap! {
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"out" => vec!["pylib/anki/_backend_generated.py"]
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},
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},
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)?;
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build.add(
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"pylib/anki:_fluent.py",
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RunCommand {
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@ -108,6 +108,10 @@ impl BuildAction for GenPythonProto {
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build.add_inputs("protoc", inputs!["$protoc_binary"]);
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build.add_inputs("protoc-gen-mypy", inputs![":pyenv:protoc-gen-mypy"]);
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build.add_outputs("", python_outputs);
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// not a direct dependency, but we include the output interface in our declared
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// outputs
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build.add_inputs("", inputs!["rslib/proto"]);
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build.add_outputs("", vec!["pylib/anki/_backend_generated.py"]);
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}
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}
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@ -22,6 +22,7 @@ use crate::proto::setup_protoc;
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pub fn build_rust(build: &mut Build) -> Result<()> {
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prepare_translations(build)?;
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setup_protoc(build)?;
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prepare_proto_descriptors(build)?;
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build_rsbridge(build)
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}
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@ -81,6 +82,24 @@ fn prepare_translations(build: &mut Build) -> Result<()> {
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Ok(())
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}
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fn prepare_proto_descriptors(build: &mut Build) -> Result<()> {
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// build anki_proto and spit out descriptors/Python interface
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build.add(
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"rslib/proto",
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CargoBuild {
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inputs: inputs![glob!["{proto,rslib/proto}/**"], "$protoc_binary",],
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outputs: &[RustOutput::Data(
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"descriptors.bin",
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"$builddir/rslib/proto/descriptors.bin",
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)],
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target: None,
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extra_args: "-p anki_proto",
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release_override: None,
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},
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)?;
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Ok(())
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}
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fn build_rsbridge(build: &mut Build) -> Result<()> {
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let features = if cfg!(target_os = "linux") {
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"rustls"
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@ -91,12 +110,12 @@ fn build_rsbridge(build: &mut Build) -> Result<()> {
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"pylib/rsbridge",
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CargoBuild {
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inputs: inputs![
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glob!["{pylib/rsbridge/**,rslib/**,proto/**}"],
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"$protoc_binary",
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// declare a dependency on i18n so it gets built first, allowing
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glob!["{pylib/rsbridge/**,rslib/**}"],
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// declare a dependency on i18n/proto so it gets built first, allowing
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// things depending on strings.json to build faster, and ensuring
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// changes to the ftl files trigger a rebuild
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":rslib/i18n",
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":rslib/proto",
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// when env vars change the build hash gets updated
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"$builddir/build.ninja",
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// building on Windows requires python3.lib
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@ -9,31 +9,6 @@ package anki.backend;
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import "anki/links.proto";
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/// while the protobuf descriptors expose the order services are defined in,
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/// that information is not available in prost, so we define an enum to make
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/// sure all clients agree on the service index
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enum ServiceIndex {
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SERVICE_INDEX_SCHEDULER = 0;
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SERVICE_INDEX_DECKS = 1;
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SERVICE_INDEX_NOTES = 2;
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SERVICE_INDEX_SYNC = 3;
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SERVICE_INDEX_NOTETYPES = 4;
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SERVICE_INDEX_CONFIG = 5;
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SERVICE_INDEX_CARD_RENDERING = 6;
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SERVICE_INDEX_DECK_CONFIG = 7;
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SERVICE_INDEX_TAGS = 8;
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SERVICE_INDEX_SEARCH = 9;
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SERVICE_INDEX_STATS = 10;
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SERVICE_INDEX_MEDIA = 11;
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SERVICE_INDEX_I18N = 12;
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SERVICE_INDEX_COLLECTION = 13;
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SERVICE_INDEX_CARDS = 14;
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SERVICE_INDEX_LINKS = 15;
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SERVICE_INDEX_IMPORT_EXPORT = 16;
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SERVICE_INDEX_ANKIDROID = 17;
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SERVICE_INDEX_IMAGE_OCCLUSION = 18;
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}
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message BackendInit {
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repeated string preferred_langs = 1;
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string locale_folder_path = 2;
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@ -125,15 +125,10 @@ class RustBackend(RustBackendGenerated):
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for k, v in kwargs.items()
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}
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input = i18n_pb2.TranslateStringRequest(
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module_index=module_index,
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message_index=message_index,
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args=args,
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return self.translate_string(
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module_index=module_index, message_index=message_index, args=args
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)
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output_bytes = self.translate_string_raw(input.SerializeToString())
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return anki.generic_pb2.String.FromString(output_bytes).val
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def format_time_span(
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self,
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seconds: Any,
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@ -1,251 +0,0 @@
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#!/usr/bin/env python3
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# 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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import re
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import sys
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sys.path.append("out/pylib")
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sys.path.append("pylib/anki/_vendor")
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import google.protobuf.descriptor
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import stringcase
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import anki.backend_pb2
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import anki.card_rendering_pb2
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import anki.cards_pb2
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import anki.collection_pb2
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import anki.config_pb2
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import anki.deckconfig_pb2
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import anki.decks_pb2
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import anki.i18n_pb2
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import anki.image_occlusion_pb2
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import anki.import_export_pb2
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import anki.links_pb2
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import anki.media_pb2
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import anki.notes_pb2
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import anki.notetypes_pb2
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import anki.scheduler_pb2
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import anki.search_pb2
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import anki.stats_pb2
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import anki.sync_pb2
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import anki.tags_pb2
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TYPE_DOUBLE = 1
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TYPE_FLOAT = 2
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TYPE_INT64 = 3
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TYPE_UINT64 = 4
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TYPE_INT32 = 5
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TYPE_FIXED64 = 6
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TYPE_FIXED32 = 7
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TYPE_BOOL = 8
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TYPE_STRING = 9
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TYPE_GROUP = 10
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TYPE_MESSAGE = 11
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TYPE_BYTES = 12
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TYPE_UINT32 = 13
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TYPE_ENUM = 14
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TYPE_SFIXED32 = 15
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TYPE_SFIXED64 = 16
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TYPE_SINT32 = 17
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TYPE_SINT64 = 18
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LABEL_OPTIONAL = 1
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LABEL_REQUIRED = 2
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LABEL_REPEATED = 3
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RAW_ONLY = {"TranslateString"}
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def python_type(field):
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type = python_type_inner(field)
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if field.label == LABEL_REPEATED:
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type = f"Sequence[{type}]"
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return type
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def python_type_inner(field):
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type = field.type
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if type == TYPE_BOOL:
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return "bool"
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elif type in (1, 2):
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return "float"
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elif type in (3, 4, 5, 6, 7, 13, 15, 16, 17, 18):
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return "int"
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elif type == TYPE_STRING:
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return "str"
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elif type == TYPE_BYTES:
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return "bytes"
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elif type == TYPE_MESSAGE:
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return fullname(field.message_type.full_name)
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elif type == TYPE_ENUM:
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return fullname(field.enum_type.full_name) + ".V"
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else:
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raise Exception(f"unknown type: {type}")
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def fullname(fullname: str) -> str:
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# eg anki.generic.Empty -> anki.generic_pb2.Empty
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components = fullname.split(".")
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components[1] += "_pb2"
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return ".".join(components)
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# get_deck_i_d -> get_deck_id etc
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def fix_snakecase(name):
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for fix in "a_v", "i_d":
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name = re.sub(
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rf"(\w)({fix})(\w)",
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lambda m: m.group(1) + m.group(2).replace("_", "") + m.group(3),
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name,
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)
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return name
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def get_input_args(input_type):
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fields = sorted(input_type.fields, key=lambda x: x.number)
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self_star = ["self"]
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if len(fields) >= 2:
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self_star.append("*")
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return ", ".join(self_star + [f"{f.name}: {python_type(f)}" for f in fields])
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|
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def get_input_assign(input_type):
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fields = sorted(input_type.fields, key=lambda x: x.number)
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return ", ".join(f"{f.name}={f.name}" for f in fields)
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def render_method(service_idx, method_idx, method):
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name = fix_snakecase(stringcase.snakecase(method.name))
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input_name = method.input_type.name
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if (
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input_name.endswith("Request") or len(method.input_type.fields) < 2
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) and not method.input_type.oneofs:
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input_params = get_input_args(method.input_type)
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input_assign_full = f"message = {fullname(method.input_type.full_name)}({get_input_assign(method.input_type)})"
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else:
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input_params = f"self, message: {fullname(method.input_type.full_name)}"
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input_assign_full = ""
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if (
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len(method.output_type.fields) == 1
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and method.output_type.fields[0].type != TYPE_ENUM
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):
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# unwrap single return arg
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f = method.output_type.fields[0]
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return_type = python_type(f)
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single_attribute = f".{f.name}"
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else:
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return_type = fullname(method.output_type.full_name)
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single_attribute = ""
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buf = f"""\
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def {name}_raw(self, message: bytes) -> bytes:
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return self._run_command({service_idx}, {method_idx}, message)
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"""
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if not method.name in RAW_ONLY:
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buf += f"""\
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def {name}({input_params}) -> {return_type}:
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{input_assign_full}
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raw_bytes = self._run_command({service_idx}, {method_idx}, message.SerializeToString())
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output = {fullname(method.output_type.full_name)}()
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output.ParseFromString(raw_bytes)
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return output{single_attribute}
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|
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"""
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return buf
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out: list[str] = []
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def render_service(
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service: google.protobuf.descriptor.ServiceDescriptor, service_index: int
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) -> None:
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for method_index, method in enumerate(service.methods):
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out.append(render_method(service_index, method_index, method))
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||||
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service_modules = dict(
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I18N=anki.i18n_pb2,
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COLLECTION=anki.collection_pb2,
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CARDS=anki.cards_pb2,
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NOTES=anki.notes_pb2,
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DECKS=anki.decks_pb2,
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DECK_CONFIG=anki.deckconfig_pb2,
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NOTETYPES=anki.notetypes_pb2,
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SCHEDULER=anki.scheduler_pb2,
|
||||
SYNC=anki.sync_pb2,
|
||||
CONFIG=anki.config_pb2,
|
||||
SEARCH=anki.search_pb2,
|
||||
STATS=anki.stats_pb2,
|
||||
CARD_RENDERING=anki.card_rendering_pb2,
|
||||
TAGS=anki.tags_pb2,
|
||||
MEDIA=anki.media_pb2,
|
||||
LINKS=anki.links_pb2,
|
||||
IMPORT_EXPORT=anki.import_export_pb2,
|
||||
IMAGE_OCCLUSION=anki.image_occlusion_pb2,
|
||||
)
|
||||
|
||||
for service in anki.backend_pb2.ServiceIndex.DESCRIPTOR.values:
|
||||
# SERVICE_INDEX_TEST -> _TESTSERVICE
|
||||
base = service.name.replace("SERVICE_INDEX_", "")
|
||||
service_pkg = service_modules.get(base)
|
||||
service_var = "_" + base.replace("_", "") + "SERVICE"
|
||||
if service_var == "_ANKIDROIDSERVICE":
|
||||
continue
|
||||
service_obj = getattr(service_pkg, service_var)
|
||||
service_index = service.number
|
||||
render_service(service_obj, service_index)
|
||||
|
||||
with open(sys.argv[1], "w", encoding="utf8") as f:
|
||||
f.write(
|
||||
'''# Copyright: Ankitects Pty Ltd and contributors
|
||||
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
||||
# pylint: skip-file
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
"""
|
||||
THIS FILE IS AUTOMATICALLY GENERATED - DO NOT EDIT.
|
||||
|
||||
Please do not access methods on the backend directly - they may be changed
|
||||
or removed at any time. Instead, please use the methods on the collection
|
||||
instead. Eg, don't use col.backend.all_deck_config(), instead use
|
||||
col.decks.all_config()
|
||||
"""
|
||||
|
||||
from typing import *
|
||||
|
||||
import anki
|
||||
import anki.backend_pb2
|
||||
import anki.i18n_pb2
|
||||
import anki.cards_pb2
|
||||
import anki.collection_pb2
|
||||
import anki.decks_pb2
|
||||
import anki.deckconfig_pb2
|
||||
import anki.links_pb2
|
||||
import anki.notes_pb2
|
||||
import anki.notetypes_pb2
|
||||
import anki.scheduler_pb2
|
||||
import anki.sync_pb2
|
||||
import anki.config_pb2
|
||||
import anki.search_pb2
|
||||
import anki.stats_pb2
|
||||
import anki.card_rendering_pb2
|
||||
import anki.tags_pb2
|
||||
import anki.media_pb2
|
||||
import anki.import_export_pb2
|
||||
import anki.image_occlusion_pb2
|
||||
|
||||
class RustBackendGenerated:
|
||||
def _run_command(self, service: int, method: int, input: Any) -> bytes:
|
||||
raise Exception("not implemented")
|
||||
|
||||
'''
|
||||
+ "\n".join(out)
|
||||
)
|
||||
|
|
@ -1,6 +1,5 @@
|
|||
[package]
|
||||
name = "anki"
|
||||
build = "build/main.rs"
|
||||
publish = false
|
||||
description = "Anki's Rust library code"
|
||||
|
||||
|
|
@ -10,10 +9,6 @@ edition.workspace = true
|
|||
license.workspace = true
|
||||
rust-version.workspace = true
|
||||
|
||||
[lib]
|
||||
name = "anki"
|
||||
path = "src/lib.rs"
|
||||
|
||||
[features]
|
||||
bench = ["criterion"]
|
||||
rustls = ["reqwest/rustls-tls", "reqwest/rustls-tls-native-roots"]
|
||||
|
|
@ -27,7 +22,13 @@ required-features = ["bench"]
|
|||
# After updating anything below, run ../cargo/update_licenses.sh
|
||||
|
||||
[build-dependencies]
|
||||
anyhow = "1.0.71"
|
||||
inflections = "1.1.1"
|
||||
prost = "0.11.8"
|
||||
prost-build = "0.11.8"
|
||||
prost-reflect = "0.11.4"
|
||||
prost-types = "0.11.9"
|
||||
regex = "1.7.3"
|
||||
which = "4.4.0"
|
||||
|
||||
[dev-dependencies]
|
||||
|
|
@ -42,6 +43,7 @@ features = ["json", "socks", "stream", "multipart"]
|
|||
|
||||
[dependencies]
|
||||
anki_i18n = { path = "i18n" }
|
||||
anki_proto = { path = "proto" }
|
||||
|
||||
csv = { git = "https://github.com/ankitects/rust-csv.git", rev = "1c9d3aab6f79a7d815c69f925a46a4590c115f90" }
|
||||
percent-encoding-iri = { git = "https://github.com/ankitects/rust-url.git", rev = "bb930b8d089f4d30d7d19c12e54e66191de47b88" }
|
||||
|
|
|
|||
|
|
@ -3,11 +3,7 @@
|
|||
|
||||
use std::fs;
|
||||
|
||||
pub mod protobuf;
|
||||
|
||||
fn main() {
|
||||
protobuf::write_backend_proto_rs();
|
||||
|
||||
println!("cargo:rerun-if-changed=../out/buildhash");
|
||||
let buildhash = fs::read_to_string("../out/buildhash").unwrap_or_default();
|
||||
println!("cargo:rustc-env=BUILDHASH={buildhash}")
|
||||
|
|
@ -1,139 +0,0 @@
|
|||
// Copyright: Ankitects Pty Ltd and contributors
|
||||
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
||||
|
||||
use std::env;
|
||||
use std::fmt::Write;
|
||||
use std::path::PathBuf;
|
||||
|
||||
struct CustomGenerator {}
|
||||
|
||||
fn write_method_trait(buf: &mut String, service: &prost_build::Service) {
|
||||
buf.push_str(
|
||||
r#"
|
||||
pub trait Service {
|
||||
fn run_method(&self, method: u32, input: &[u8]) -> Result<Vec<u8>> {
|
||||
match method {
|
||||
"#,
|
||||
);
|
||||
for (idx, method) in service.methods.iter().enumerate() {
|
||||
write!(
|
||||
buf,
|
||||
concat!(" ",
|
||||
"{idx} => {{ let input = super::{input_type}::decode(input)?;\n",
|
||||
"let output = self.{rust_method}(input)?;\n",
|
||||
"let mut out_bytes = Vec::new(); output.encode(&mut out_bytes)?; Ok(out_bytes) }}, "),
|
||||
idx = idx,
|
||||
input_type = method.input_type,
|
||||
rust_method = method.name
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
buf.push_str(
|
||||
r#"
|
||||
_ => crate::invalid_input!("invalid command"),
|
||||
}
|
||||
}
|
||||
"#,
|
||||
);
|
||||
|
||||
for method in &service.methods {
|
||||
write!(
|
||||
buf,
|
||||
concat!(
|
||||
" fn {method_name}(&self, input: super::{input_type}) -> ",
|
||||
"Result<super::{output_type}>;\n"
|
||||
),
|
||||
method_name = method.name,
|
||||
input_type = method.input_type,
|
||||
output_type = method.output_type
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
buf.push_str("}\n");
|
||||
}
|
||||
|
||||
impl prost_build::ServiceGenerator for CustomGenerator {
|
||||
fn generate(&mut self, service: prost_build::Service, buf: &mut String) {
|
||||
write!(
|
||||
buf,
|
||||
"pub mod {name}_service {{
|
||||
use prost::Message;
|
||||
use crate::error::Result;
|
||||
",
|
||||
name = service.name.replace("Service", "").to_ascii_lowercase()
|
||||
)
|
||||
.unwrap();
|
||||
write_method_trait(buf, &service);
|
||||
buf.push('}');
|
||||
}
|
||||
}
|
||||
|
||||
fn service_generator() -> Box<dyn prost_build::ServiceGenerator> {
|
||||
Box::new(CustomGenerator {})
|
||||
}
|
||||
|
||||
pub fn write_backend_proto_rs() {
|
||||
set_protoc_path();
|
||||
let proto_dir = PathBuf::from("../proto");
|
||||
|
||||
let subfolders = &["anki"];
|
||||
let mut paths = vec![];
|
||||
for subfolder in subfolders {
|
||||
for entry in proto_dir.join(subfolder).read_dir().unwrap() {
|
||||
let entry = entry.unwrap();
|
||||
let path = entry.path();
|
||||
if path
|
||||
.file_name()
|
||||
.unwrap()
|
||||
.to_str()
|
||||
.unwrap()
|
||||
.ends_with(".proto")
|
||||
{
|
||||
println!("cargo:rerun-if-changed={}", path.to_str().unwrap());
|
||||
paths.push(path);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
|
||||
let mut config = prost_build::Config::new();
|
||||
config
|
||||
.out_dir(&out_dir)
|
||||
.service_generator(service_generator())
|
||||
.type_attribute(
|
||||
"Deck.Filtered.SearchTerm.Order",
|
||||
"#[derive(strum::EnumIter)]",
|
||||
)
|
||||
.type_attribute(
|
||||
"Deck.Normal.DayLimit",
|
||||
"#[derive(Copy, Eq, serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.type_attribute("HelpPageLinkRequest.HelpPage", "#[derive(strum::EnumIter)]")
|
||||
.type_attribute("CsvMetadata.Delimiter", "#[derive(strum::EnumIter)]")
|
||||
.type_attribute(
|
||||
"Preferences.BackupLimits",
|
||||
"#[derive(Copy, serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.type_attribute(
|
||||
"CsvMetadata.DupeResolution",
|
||||
"#[derive(serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.type_attribute(
|
||||
"CsvMetadata.MatchScope",
|
||||
"#[derive(serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.compile_protos(paths.as_slice(), &[proto_dir])
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
/// Set PROTOC to the custom path provided by PROTOC_BINARY, or add .exe to
|
||||
/// the standard path if on Windows.
|
||||
fn set_protoc_path() {
|
||||
if let Ok(custom_protoc) = env::var("PROTOC_BINARY") {
|
||||
env::set_var("PROTOC", custom_protoc);
|
||||
} else if let Ok(bundled_protoc) = env::var("PROTOC") {
|
||||
if cfg!(windows) && !bundled_protoc.ends_with(".exe") {
|
||||
env::set_var("PROTOC", format!("{bundled_protoc}.exe"));
|
||||
}
|
||||
}
|
||||
}
|
||||
17
rslib/proto/Cargo.toml
Normal file
17
rslib/proto/Cargo.toml
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
[package]
|
||||
name = "anki_proto"
|
||||
publish = false
|
||||
description = "Anki's Rust library protobuf code"
|
||||
|
||||
version.workspace = true
|
||||
authors.workspace = true
|
||||
edition.workspace = true
|
||||
license.workspace = true
|
||||
rust-version.workspace = true
|
||||
|
||||
[build-dependencies]
|
||||
anyhow = "1.0.71"
|
||||
inflections = "1.1.1"
|
||||
prost-build = "0.11.9"
|
||||
prost-reflect = "0.11.4"
|
||||
prost-types = "0.11.9"
|
||||
19
rslib/proto/build.rs
Normal file
19
rslib/proto/build.rs
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
// Copyright: Ankitects Pty Ltd and contributors
|
||||
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
||||
|
||||
pub mod python;
|
||||
pub mod rust;
|
||||
|
||||
use std::env;
|
||||
use std::path::PathBuf;
|
||||
|
||||
use anyhow::Context;
|
||||
use anyhow::Result;
|
||||
|
||||
fn main() -> Result<()> {
|
||||
let descriptors_path = PathBuf::from(env::var("DESCRIPTORS_BIN").context("DESCRIPTORS_BIN")?);
|
||||
|
||||
let pool = rust::write_backend_proto_rs(&descriptors_path)?;
|
||||
python::write_python_interface(&pool)?;
|
||||
Ok(())
|
||||
}
|
||||
239
rslib/proto/python.rs
Normal file
239
rslib/proto/python.rs
Normal file
|
|
@ -0,0 +1,239 @@
|
|||
// Copyright: Ankitects Pty Ltd and contributors
|
||||
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
||||
|
||||
use std::fs::File;
|
||||
use std::io::BufWriter;
|
||||
use std::io::Write;
|
||||
use std::path::Path;
|
||||
|
||||
use anyhow::Context;
|
||||
use anyhow::Result;
|
||||
use inflections::Inflect;
|
||||
use prost_reflect::DescriptorPool;
|
||||
use prost_reflect::FieldDescriptor;
|
||||
use prost_reflect::Kind;
|
||||
use prost_reflect::MessageDescriptor;
|
||||
use prost_reflect::MethodDescriptor;
|
||||
use prost_reflect::ServiceDescriptor;
|
||||
|
||||
pub(crate) fn write_python_interface(pool: &DescriptorPool) -> Result<()> {
|
||||
let output_path = Path::new("../../out/pylib/anki/_backend_generated.py");
|
||||
let mut out = BufWriter::new(
|
||||
File::create(output_path).with_context(|| format!("opening {output_path:?}"))?,
|
||||
);
|
||||
write_header(&mut out)?;
|
||||
|
||||
for service in pool.services() {
|
||||
if service.name() == "AnkidroidService" {
|
||||
continue;
|
||||
}
|
||||
for method in service.methods() {
|
||||
render_method(&service, &method, &mut out);
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Generates text like the following:
|
||||
///
|
||||
/// def get_field_names_raw(self, message: bytes) -> bytes:
|
||||
/// return self._run_command(7, 16, message)
|
||||
///
|
||||
/// def get_field_names(self, ntid: int) -> Sequence[str]:
|
||||
/// message = anki.notetypes_pb2.NotetypeId(ntid=ntid)
|
||||
/// raw_bytes = self._run_command(7, 16, message.SerializeToString())
|
||||
/// output = anki.generic_pb2.StringList()
|
||||
/// output.ParseFromString(raw_bytes)
|
||||
/// return output.vals
|
||||
fn render_method(service: &ServiceDescriptor, method: &MethodDescriptor, out: &mut impl Write) {
|
||||
let method_name = method.name().to_snake_case();
|
||||
let input = method.input();
|
||||
let output = method.output();
|
||||
let service_idx = service.index();
|
||||
let method_idx = method.index();
|
||||
|
||||
// raw bytes
|
||||
write!(
|
||||
out,
|
||||
r#" def {method_name}_raw(self, message: bytes) -> bytes:
|
||||
return self._run_command({service_idx}, {method_idx}, message)
|
||||
|
||||
"#
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
// (possibly destructured) message
|
||||
let (input_params, input_assign) = maybe_destructured_input(&input);
|
||||
let output_constructor = full_name_to_python(output.full_name());
|
||||
let (output_msg_or_single_field, output_type) = maybe_destructured_output(&output);
|
||||
write!(
|
||||
out,
|
||||
r#" def {method_name}({input_params}) -> {output_type}:
|
||||
{input_assign}
|
||||
raw_bytes = self._run_command({service_idx}, {method_idx}, message.SerializeToString())
|
||||
output = {output_constructor}()
|
||||
output.ParseFromString(raw_bytes)
|
||||
return {output_msg_or_single_field}
|
||||
|
||||
"#
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
/// If any of the following apply to the input type:
|
||||
/// - it has a single field
|
||||
/// - its name ends in Request
|
||||
/// - it has any optional fields
|
||||
/// ...then destructuring will be skipped, and the method will take the input
|
||||
/// message directly. Returns (params_line, assignment_lines)
|
||||
fn maybe_destructured_input(input: &MessageDescriptor) -> (String, String) {
|
||||
if (input.name().ends_with("Request") || input.fields().len() < 2)
|
||||
&& input.oneofs().next().is_none()
|
||||
{
|
||||
// destructure
|
||||
let method_args = build_method_arguments(input);
|
||||
let input_type = full_name_to_python(input.full_name());
|
||||
let input_message_args = build_input_message_arguments(input);
|
||||
let assignment = format!("message = {input_type}({input_message_args})",);
|
||||
(method_args, assignment)
|
||||
} else {
|
||||
// no destructure
|
||||
let params = format!("self, message: {}", full_name_to_python(input.full_name()));
|
||||
let assignment = String::new();
|
||||
(params, assignment)
|
||||
}
|
||||
}
|
||||
|
||||
/// e.g. "self, *, note_ids: Sequence[int], new_fields: Sequence[int]"
|
||||
fn build_method_arguments(input: &MessageDescriptor) -> String {
|
||||
let fields = input.fields();
|
||||
let mut args = vec!["self".to_string()];
|
||||
if fields.len() >= 2 {
|
||||
args.push("*".to_string());
|
||||
}
|
||||
for field in fields {
|
||||
let arg = format!("{}: {}", field.name(), python_type(&field));
|
||||
args.push(arg);
|
||||
}
|
||||
args.join(", ")
|
||||
}
|
||||
|
||||
/// e.g. "note_ids=note_ids, new_fields=new_fields"
|
||||
fn build_input_message_arguments(input: &MessageDescriptor) -> String {
|
||||
input
|
||||
.fields()
|
||||
.map(|field| {
|
||||
let name = field.name();
|
||||
format!("{name}={name}")
|
||||
})
|
||||
.collect::<Vec<_>>()
|
||||
.join(", ")
|
||||
}
|
||||
|
||||
// If output type has a single field and is not an enum, we return its single
|
||||
// field value directly. Returns (expr, type), where expr is 'output' or
|
||||
// 'output.<only_field>'.
|
||||
fn maybe_destructured_output(output: &MessageDescriptor) -> (String, String) {
|
||||
let first_field = output.fields().next();
|
||||
if output.fields().len() == 1 && !matches!(first_field.as_ref().unwrap().kind(), Kind::Enum(_))
|
||||
{
|
||||
let field = first_field.unwrap();
|
||||
(format!("output.{}", field.name()), python_type(&field))
|
||||
} else {
|
||||
("output".into(), full_name_to_python(output.full_name()))
|
||||
}
|
||||
}
|
||||
|
||||
/// e.g. uint32 -> int; repeated bool -> Sequence[bool]
|
||||
fn python_type(field: &FieldDescriptor) -> String {
|
||||
let kind = match field.kind() {
|
||||
Kind::Int32
|
||||
| Kind::Int64
|
||||
| Kind::Uint32
|
||||
| Kind::Uint64
|
||||
| Kind::Sint32
|
||||
| Kind::Sint64
|
||||
| Kind::Fixed32
|
||||
| Kind::Fixed64
|
||||
| Kind::Sfixed32
|
||||
| Kind::Sfixed64 => "int".into(),
|
||||
Kind::Float | Kind::Double => "float".into(),
|
||||
Kind::Bool => "bool".into(),
|
||||
Kind::String => "str".into(),
|
||||
Kind::Bytes => "bytes".into(),
|
||||
Kind::Message(msg) => full_name_to_python(msg.full_name()),
|
||||
Kind::Enum(en) => format!("{}.V", full_name_to_python(en.full_name())),
|
||||
};
|
||||
if field.is_list() {
|
||||
format!("Sequence[{}]", kind)
|
||||
} else if field.is_map() {
|
||||
let map_kind = field.kind();
|
||||
let map_kind = map_kind.as_message().unwrap();
|
||||
let map_kv: Vec<_> = map_kind.fields().map(|f| python_type(&f)).collect();
|
||||
format!("Mapping[{}, {}]", map_kv[0], map_kv[1])
|
||||
} else {
|
||||
kind
|
||||
}
|
||||
}
|
||||
|
||||
// e.g. anki.import_export.ImportResponse ->
|
||||
// anki.import_export_pb2.ImportResponse
|
||||
fn full_name_to_python(name: &str) -> String {
|
||||
let mut name = name.splitn(3, '.');
|
||||
format!(
|
||||
"{}.{}_pb2.{}",
|
||||
name.next().unwrap(),
|
||||
name.next().unwrap(),
|
||||
name.next().unwrap()
|
||||
)
|
||||
}
|
||||
|
||||
fn write_header(out: &mut impl Write) -> Result<()> {
|
||||
out.write_all(
|
||||
br#"# Copyright: Ankitects Pty Ltd and contributors
|
||||
# License: GNU AGPL, version 3 or later; https://www.gnu.org/licenses/agpl.html
|
||||
# pylint: skip-file
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
"""
|
||||
THIS FILE IS AUTOMATICALLY GENERATED - DO NOT EDIT.
|
||||
|
||||
Please do not access methods on the backend directly - they may be changed
|
||||
or removed at any time. Instead, please use the methods on the collection
|
||||
instead. Eg, don't use col.backend.all_deck_config(), instead use
|
||||
col.decks.all_config()
|
||||
"""
|
||||
|
||||
from typing import *
|
||||
|
||||
import anki
|
||||
import anki.backend_pb2
|
||||
import anki.card_rendering_pb2
|
||||
import anki.cards_pb2
|
||||
import anki.collection_pb2
|
||||
import anki.config_pb2
|
||||
import anki.deckconfig_pb2
|
||||
import anki.decks_pb2
|
||||
import anki.i18n_pb2
|
||||
import anki.image_occlusion_pb2
|
||||
import anki.import_export_pb2
|
||||
import anki.links_pb2
|
||||
import anki.media_pb2
|
||||
import anki.notes_pb2
|
||||
import anki.notetypes_pb2
|
||||
import anki.scheduler_pb2
|
||||
import anki.search_pb2
|
||||
import anki.stats_pb2
|
||||
import anki.sync_pb2
|
||||
import anki.tags_pb2
|
||||
|
||||
class RustBackendGenerated:
|
||||
def _run_command(self, service: int, method: int, input: Any) -> bytes:
|
||||
raise Exception("not implemented")
|
||||
|
||||
"#,
|
||||
)?;
|
||||
Ok(())
|
||||
}
|
||||
186
rslib/proto/rust.rs
Normal file
186
rslib/proto/rust.rs
Normal file
|
|
@ -0,0 +1,186 @@
|
|||
// Copyright: Ankitects Pty Ltd and contributors
|
||||
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
||||
|
||||
use std::env;
|
||||
use std::fmt::Write;
|
||||
use std::fs;
|
||||
use std::path::Path;
|
||||
use std::path::PathBuf;
|
||||
|
||||
use anyhow::Context;
|
||||
use anyhow::Result;
|
||||
use prost_build::ServiceGenerator;
|
||||
use prost_reflect::DescriptorPool;
|
||||
|
||||
pub fn write_backend_proto_rs(descriptors_path: &Path) -> Result<DescriptorPool> {
|
||||
set_protoc_path();
|
||||
let proto_dir = PathBuf::from("../../proto");
|
||||
let paths = gather_proto_paths(&proto_dir)?;
|
||||
let out_dir = Path::new("../../out/rslib/proto");
|
||||
fs::create_dir_all(out_dir).with_context(|| format!("{:?}", out_dir))?;
|
||||
|
||||
prost_build::Config::new()
|
||||
.out_dir(out_dir)
|
||||
.file_descriptor_set_path(descriptors_path)
|
||||
.service_generator(RustCodeGenerator::boxed())
|
||||
.type_attribute(
|
||||
"Deck.Filtered.SearchTerm.Order",
|
||||
"#[derive(strum::EnumIter)]",
|
||||
)
|
||||
.type_attribute(
|
||||
"Deck.Normal.DayLimit",
|
||||
"#[derive(Copy, Eq, serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.type_attribute("HelpPageLinkRequest.HelpPage", "#[derive(strum::EnumIter)]")
|
||||
.type_attribute("CsvMetadata.Delimiter", "#[derive(strum::EnumIter)]")
|
||||
.type_attribute(
|
||||
"Preferences.BackupLimits",
|
||||
"#[derive(Copy, serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.type_attribute(
|
||||
"CsvMetadata.DupeResolution",
|
||||
"#[derive(serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.type_attribute(
|
||||
"CsvMetadata.MatchScope",
|
||||
"#[derive(serde_derive::Deserialize, serde_derive::Serialize)]",
|
||||
)
|
||||
.compile_protos(paths.as_slice(), &[proto_dir])
|
||||
.context("prost build")?;
|
||||
|
||||
write_service_index(out_dir, descriptors_path)
|
||||
}
|
||||
|
||||
fn write_service_index(out_dir: &Path, descriptors_path: &Path) -> Result<DescriptorPool> {
|
||||
let descriptors = fs::read(descriptors_path)
|
||||
.with_context(|| format!("failed to read {descriptors_path:?}"))?;
|
||||
let pool =
|
||||
DescriptorPool::decode(descriptors.as_ref()).context("unable to decode descriptors")?;
|
||||
let mut buf = String::new();
|
||||
|
||||
writeln!(
|
||||
buf,
|
||||
"#[derive(num_enum::TryFromPrimitive)]
|
||||
#[repr(u32)]
|
||||
pub enum ServiceIndex {{"
|
||||
)
|
||||
.unwrap();
|
||||
for service in pool.services() {
|
||||
writeln!(
|
||||
buf,
|
||||
" {} = {},",
|
||||
service.name().replace("Service", ""),
|
||||
service.index()
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
writeln!(buf, "}}").unwrap();
|
||||
|
||||
fs::write(out_dir.join("service_index.rs"), buf).context("failed to write service index")?;
|
||||
|
||||
Ok(pool)
|
||||
}
|
||||
|
||||
fn gather_proto_paths(proto_dir: &Path) -> Result<Vec<PathBuf>> {
|
||||
let subfolders = &["anki"];
|
||||
let mut paths = vec![];
|
||||
for subfolder in subfolders {
|
||||
for entry in proto_dir.join(subfolder).read_dir().unwrap() {
|
||||
let entry = entry.unwrap();
|
||||
let path = entry.path();
|
||||
if path
|
||||
.file_name()
|
||||
.unwrap()
|
||||
.to_str()
|
||||
.unwrap()
|
||||
.ends_with(".proto")
|
||||
{
|
||||
println!("cargo:rerun-if-changed={}", path.to_str().unwrap());
|
||||
paths.push(path);
|
||||
}
|
||||
}
|
||||
}
|
||||
paths.sort();
|
||||
Ok(paths)
|
||||
}
|
||||
|
||||
struct RustCodeGenerator {}
|
||||
|
||||
impl RustCodeGenerator {
|
||||
fn boxed() -> Box<dyn ServiceGenerator> {
|
||||
Box::new(Self {})
|
||||
}
|
||||
|
||||
fn write_method_trait(&mut self, buf: &mut String, service: &prost_build::Service) {
|
||||
buf.push_str(
|
||||
r#"
|
||||
pub trait Service {
|
||||
fn run_method(&self, method: u32, input: &[u8]) -> Result<Vec<u8>> {
|
||||
match method {
|
||||
"#,
|
||||
);
|
||||
for (idx, method) in service.methods.iter().enumerate() {
|
||||
write!(
|
||||
buf,
|
||||
concat!(" ",
|
||||
"{idx} => {{ let input = super::{input_type}::decode(input)?;\n",
|
||||
"let output = self.{rust_method}(input)?;\n",
|
||||
"let mut out_bytes = Vec::new(); output.encode(&mut out_bytes)?; Ok(out_bytes) }}, "),
|
||||
idx = idx,
|
||||
input_type = method.input_type,
|
||||
rust_method = method.name
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
buf.push_str(
|
||||
r#"
|
||||
_ => crate::invalid_input!("invalid command"),
|
||||
}
|
||||
}
|
||||
"#,
|
||||
);
|
||||
|
||||
for method in &service.methods {
|
||||
write!(
|
||||
buf,
|
||||
concat!(
|
||||
" fn {method_name}(&self, input: super::{input_type}) -> ",
|
||||
"Result<super::{output_type}>;\n"
|
||||
),
|
||||
method_name = method.name,
|
||||
input_type = method.input_type,
|
||||
output_type = method.output_type
|
||||
)
|
||||
.unwrap();
|
||||
}
|
||||
buf.push_str("}\n");
|
||||
}
|
||||
}
|
||||
|
||||
impl ServiceGenerator for RustCodeGenerator {
|
||||
fn generate(&mut self, service: prost_build::Service, buf: &mut String) {
|
||||
write!(
|
||||
buf,
|
||||
"pub mod {name}_service {{
|
||||
use prost::Message;
|
||||
use crate::error::Result;
|
||||
",
|
||||
name = service.name.replace("Service", "").to_ascii_lowercase()
|
||||
)
|
||||
.unwrap();
|
||||
self.write_method_trait(buf, &service);
|
||||
buf.push('}');
|
||||
}
|
||||
}
|
||||
|
||||
/// Set PROTOC to the custom path provided by PROTOC_BINARY, or add .exe to
|
||||
/// the standard path if on Windows.
|
||||
fn set_protoc_path() {
|
||||
if let Ok(custom_protoc) = env::var("PROTOC_BINARY") {
|
||||
env::set_var("PROTOC", custom_protoc);
|
||||
} else if let Ok(bundled_protoc) = env::var("PROTOC") {
|
||||
if cfg!(windows) && !bundled_protoc.ends_with(".exe") {
|
||||
env::set_var("PROTOC", format!("{bundled_protoc}.exe"));
|
||||
}
|
||||
}
|
||||
}
|
||||
2
rslib/proto/src/lib.rs
Normal file
2
rslib/proto/src/lib.rs
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
// Copyright: Ankitects Pty Ltd and contributors
|
||||
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
||||
|
|
@ -64,7 +64,7 @@ use self::sync::SyncState;
|
|||
use self::tags::TagsService;
|
||||
use crate::backend::dbproxy::db_command_bytes;
|
||||
use crate::pb;
|
||||
use crate::pb::backend::ServiceIndex;
|
||||
use crate::pb::ServiceIndex;
|
||||
use crate::prelude::*;
|
||||
|
||||
pub struct Backend {
|
||||
|
|
@ -121,7 +121,7 @@ impl Backend {
|
|||
method: u32,
|
||||
input: &[u8],
|
||||
) -> result::Result<Vec<u8>, Vec<u8>> {
|
||||
ServiceIndex::from_i32(service as i32)
|
||||
ServiceIndex::try_from(service)
|
||||
.or_invalid("invalid service")
|
||||
.and_then(|service| match service {
|
||||
ServiceIndex::Ankidroid => AnkidroidService::run_method(self, method, input),
|
||||
|
|
|
|||
|
|
@ -4,11 +4,13 @@
|
|||
macro_rules! protobuf {
|
||||
($ident:ident, $name:literal) => {
|
||||
pub mod $ident {
|
||||
include!(concat!(env!("OUT_DIR"), "/anki.", $name, ".rs"));
|
||||
include!(concat!("../../out/rslib/proto/anki.", $name, ".rs"));
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
include!("../../out/rslib/proto/service_index.rs");
|
||||
|
||||
protobuf!(ankidroid, "ankidroid");
|
||||
protobuf!(backend, "backend");
|
||||
protobuf!(card_rendering, "card_rendering");
|
||||
|
|
|
|||
Loading…
Reference in a new issue