feat: add python bingen

Cargo.lock

@@ -381,7 +381,7 @@ dependencies = [
  "autocfg",
  "cfg-if",
  "crossbeam-utils",
- "memoffset",
+ "memoffset 0.7.1",
  "scopeguard",
 ]
 
@@ -646,6 +646,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "indoc"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da2d6f23ffea9d7e76c53eee25dfb67bcd8fde7f1198b0855350698c9f07c780"
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -793,6 +799,15 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
+[[package]]
+name = "memoffset"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.7.1"
@@ -1145,6 +1160,74 @@ dependencies = [
  "syn 0.15.44",
 ]
 
+[[package]]
+name = "pyloro"
+version = "0.1.0"
+dependencies = [
+ "loro-internal",
+ "pyo3",
+]
+
+[[package]]
+name = "pyo3"
+version = "0.17.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "268be0c73583c183f2b14052337465768c07726936a260f480f0857cb95ba543"
+dependencies = [
+ "cfg-if",
+ "indoc",
+ "libc",
+ "memoffset 0.6.5",
+ "parking_lot",
+ "pyo3-build-config",
+ "pyo3-ffi",
+ "pyo3-macros",
+ "unindent",
+]
+
+[[package]]
+name = "pyo3-build-config"
+version = "0.17.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28fcd1e73f06ec85bf3280c48c67e731d8290ad3d730f8be9dc07946923005c8"
+dependencies = [
+ "once_cell",
+ "target-lexicon",
+]
+
+[[package]]
+name = "pyo3-ffi"
+version = "0.17.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f6cb136e222e49115b3c51c32792886defbfb0adead26a688142b346a0b9ffc"
+dependencies = [
+ "libc",
+ "pyo3-build-config",
+]
+
+[[package]]
+name = "pyo3-macros"
+version = "0.17.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94144a1266e236b1c932682136dc35a9dee8d3589728f68130c7c3861ef96b28"
+dependencies = [
+ "proc-macro2 1.0.49",
+ "pyo3-macros-backend",
+ "quote 1.0.23",
+ "syn 1.0.107",
+]
+
+[[package]]
+name = "pyo3-macros-backend"
+version = "0.17.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8df9be978a2d2f0cdebabb03206ed73b11314701a5bfe71b0d753b81997777f"
+dependencies = [
+ "proc-macro2 1.0.49",
+ "quote 1.0.23",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.3"
@@ -1584,6 +1667,12 @@ dependencies = [
  "syn 1.0.107",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9410d0f6853b1d94f0e519fb95df60f29d2c1eff2d921ffdf01a4c8a3b54f12d"
+
 [[package]]
 name = "tempfile"
 version = "3.3.0"
@@ -1745,6 +1834,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 
+[[package]]
+name = "unindent"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1766d682d402817b5ac4490b3c3002d91dfa0d22812f341609f97b08757359c"
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"

crates/loro-python/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "pyloro"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+pyo3 = { version = "0.17", features = ["extension-module"] }
+loro-internal = { path = "../loro-internal" }

crates/loro-python/README.md

@@ -0,0 +1,7 @@
+# loro-python
+
+```bash
+pip3 install maturin
+maturin build  # or python3 -m maturin build
+
+```

crates/loro-python/examples/main.py

@@ -0,0 +1,6 @@
+from pyloro import Loro, LoroText;
+
+loro = Loro()
+text = loro.get_text("text")
+text.insert(loro, 0, "123")
+print(text.value())

crates/loro-python/src/lib.rs

@@ -0,0 +1,68 @@
+use std::ops::{Deref, DerefMut};
+
+use loro_internal::{LoroCore, Text};
+use pyo3::prelude::*;
+
+#[pyclass]
+struct Loro(LoroCore);
+
+#[pyclass]
+struct LoroText(Text);
+
+impl Deref for Loro {
+    type Target = LoroCore;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl DerefMut for Loro {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl Deref for LoroText {
+    type Target = Text;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl DerefMut for LoroText {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+#[pymethods]
+impl Loro {
+    #[new]
+    pub fn __new__() -> Self {
+        Self(LoroCore::default())
+    }
+
+    pub fn get_text(&mut self, id: &str) -> LoroText {
+        let text = self.0.get_text(id);
+        LoroText(text)
+    }
+}
+
+#[pymethods]
+impl LoroText {
+    pub fn insert(&mut self, ctx: &Loro, pos: usize, value: &str) -> PyResult<()> {
+        self.0.insert(&ctx.0, pos, value).unwrap();
+        Ok(())
+    }
+
+    pub fn value(&self) -> String {
+        self.0.get_value().into_string().unwrap().into_string()
+    }
+}
+
+#[pymodule]
+fn pyloro(_py: Python, m: &PyModule) -> PyResult<()> {
+    m.add_class::<Loro>()?;
+    m.add_class::<LoroText>()?;
+    Ok(())
+}