Remove dependency to derive crate (Jij-Inc#15)

In order to publish the `pyo3-stub-gen` crate to crates.io,
`pyo3-stub-gen-derive` must be exists in crates.io even if it is
optional dependency.

Author: termoshtt

Cargo.lock

@@ -7,6 +7,15 @@ members = [
 ]
 resolver = "2"
 
+[workspace.package]
+version = "0.1.0"
+edition = "2021"
+
+description = "Stub file (*.pyi) generator for PyO3"
+repository  = "https://github.com/Jij-Inc/pyo3-stub-gen"
+keywords    = ["pyo3"]
+license     = "MIT OR Apache-2.0"
+
 [workspace.dependencies]
 pyo3-stub-gen = { version = "0.1.0", path = "pyo3-stub-gen" }
 pyo3-stub-gen-derive = { version = "0.1.0", path = "pyo3-stub-gen-derive" }

Cargo.toml

@@ -28,7 +28,8 @@ To generate a stub file for this project, please modify it as follows:
 
 ```rust
 use pyo3::prelude::*;
-use pyo3_stub_gen::{derive::gen_stub_pyfunction, StubInfo};
+use pyo3_stub_gen::StubInfo;
+use pyo3_stub_gen_derive::gen_stub_pyfunction;
 use std::{env, path::*};
 
 #[gen_stub_pyfunction]  // Proc-macro attribute to register a function to stub file generator.

README.md

@@ -1,7 +1,12 @@
 [package]
 name = "pyo3-stub-gen-derive"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+
+description.workspace = true
+repository.workspace = true
+keywords.workspace = true
+license.workspace = true
 
 [lib]
 proc-macro = true

pyo3-stub-gen-derive/Cargo.toml

@@ -8,6 +8,7 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 pyo3-stub-gen.workspace = true
+pyo3-stub-gen-derive.workspace = true
 pyo3.workspace = true
 
 [[bin]]

pyo3-stub-gen-testing-mixed/Cargo.toml

@@ -1,5 +1,6 @@
 use pyo3::prelude::*;
-use pyo3_stub_gen::{derive::gen_stub_pyfunction, StubInfo};
+use pyo3_stub_gen::StubInfo;
+use pyo3_stub_gen_derive::gen_stub_pyfunction;
 use std::{env, path::*};
 
 /// Gather information to generate stub files

pyo3-stub-gen-testing-mixed/src/lib.rs

@@ -8,6 +8,7 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 pyo3-stub-gen.workspace = true
+pyo3-stub-gen-derive.workspace = true
 pyo3.workspace = true
 
 [[bin]]

pyo3-stub-gen-testing-pure/Cargo.toml

@@ -2,7 +2,8 @@
 mod readme {}
 
 use pyo3::prelude::*;
-use pyo3_stub_gen::{derive::gen_stub_pyfunction, StubInfo};
+use pyo3_stub_gen::StubInfo;
+use pyo3_stub_gen_derive::gen_stub_pyfunction;
 use std::{env, path::*};
 
 /// Gather information to generate stub files

pyo3-stub-gen-testing-pure/src/lib.rs

@@ -1,11 +1,13 @@
 [package]
 name = "pyo3-stub-gen"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+description.workspace = true
+repository.workspace = true
+keywords.workspace = true
+license.workspace = true
 
 [dependencies]
-pyo3-stub-gen-derive.workspace = true
-
 anyhow.workspace = true
 inventory.workspace = true
 itertools.workspace = true

pyo3-stub-gen/Cargo.toml

@@ -1,5 +1,4 @@
 pub use inventory; // re-export to use in generated code
-pub use pyo3_stub_gen_derive as derive;
 
 mod generate;
 mod pyproject;