init: move templates to a template folder

We make init.rs a bit more readable by moving the templates to a new
folder templates/ which we organise by template type (lib, script) and
build system.

rye/src/cli/init.rs

@@ -103,187 +103,33 @@ enum TemplateChoice {
 }
 
 /// The pyproject.toml template
-///
-/// This uses a template just to simplify the flexibility of emitting it.
-const TOML_TEMPLATE: &str = r#"[project]
-name = {{ name }}
-version = {{ version }}
-description = {{ description }}
-{%- if author %}
-authors = [
-    { name = {{ author[0] }}, email = {{ author[1] }} }
-]
-{%- endif %}
-{%- if dependencies %}
-dependencies = [
-{%- for dependency in dependencies %}
-    {{ dependency }},
-{%- endfor %}
-]
-{%- else %}
-dependencies = []
-{%- endif %}
-{%- if with_readme %}
-readme = "README.md"
-{%- endif %}
-requires-python = {{ requires_python }}
-{%- if license %}
-license = { text = {{ license }} }
-{%- endif %}
-{%- if private %}
-classifiers = ["Private :: Do Not Upload"]
-{%- endif %}
-{%- if is_script %}
-
-[project.scripts]
-hello = {{ name_safe ~ ":main"}}
-{%- endif %}
-
-{%- if not is_virtual %}
-
-[build-system]
-{%- if build_system == "hatchling" %}
-requires = ["hatchling"]
-build-backend = "hatchling.build"
-{%- elif build_system == "setuptools" %}
-requires = ["setuptools>=61.0"]
-build-backend = "setuptools.build_meta"
-{%- elif build_system == "flit" %}
-requires = ["flit_core>=3.4"]
-build-backend = "flit_core.buildapi"
-{%- elif build_system == "pdm" %}
-requires = ["pdm-backend"]
-build-backend = "pdm.backend"
-{%- elif build_system == "maturin" %}
-requires = ["maturin>=1.2,<2.0"]
-build-backend = "maturin"
-{%- endif %}
-{%- endif %}
-
-[tool.rye]
-managed = true
-{%- if is_virtual %}
-virtual = true
-{%- endif %}
-{%- if dev_dependencies %}
-dev-dependencies = [
-{%- for dependency in dev_dependencies %}
-    {{ dependency }},
-{%- endfor %}
-]
-{%- else %}
-dev-dependencies = []
-{%- endif %}
-
-{%- if not is_virtual %}
-{%- if build_system == "hatchling" %}
-
-[tool.hatch.metadata]
-allow-direct-references = true
-
-[tool.hatch.build.targets.wheel]
-packages = [{{ "src/" ~ name_safe }}]
-{%- elif build_system == "maturin" %}
-
-[tool.maturin]
-python-source = "python"
-module-name = {{ name_safe ~ "._lowlevel" }}
-features = ["pyo3/extension-module"]
-{%- endif %}
-{%- endif %}
-
-"#;
-
-/// The template for the readme file.
-const README_TEMPLATE: &str = r#"# {{ name }}
+const TOML_TEMPLATE: &str = include_str!("../templates/pyproject.toml.j2");
 
-Describe your project here.
+/// The template for the README.md.
+const README_TEMPLATE: &str = include_str!("../templates/README.md.j2");
 
-{%- if license %}
-* License: {{ license }}
-{%- endif %}
+/// The template for the LICENSE.txt.
+const LICENSE_TEMPLATE: &str = include_str!("../templates/LICENSE.txt.j2");
 
-"#;
+/// Template for the __init__.py when --lib is specified.
+const INIT_PY_LIB_TEMPLATE: &str = include_str!("../templates/lib/default/__init__.py.j2");
 
-const LICENSE_TEMPLATE: &str = r#"
-{{ license_text }}
-"#;
+/// Template for the __init__.py when --script is specified.
+const INIT_PY_BIN_TEMPLATE: &str = include_str!("../templates/script/default/__init__.py.j2");
 
-/// Template for the __init__.py when --lib is specified
-const INIT_PY_LIB_TEMPLATE: &str = r#"def hello() -> str:
-    return "Hello from {{ name }}!"
+const INIT_PY_BIN_MAIN_TEMPLATE: &str = include_str!("../templates/script/default/__main__.py.j2");
 
-"#;
+/// Template for the lib.rs when using the maturin build system.
+const LIB_RS_TEMPLATE: &str = include_str!("../templates/lib/maturin/lib.rs.j2");
 
-/// Template for the __init__.py when --bin is specified
-const INIT_PY_BIN_TEMPLATE: &str = r#"def main() -> int:
-    print("Hello from {{ name }}!")
-    return 0
-"#;
+/// Template for the __init__.py when using the maturin build system.
+const RUST_INIT_PY_TEMPLATE: &str = include_str!("../templates/lib/maturin/__init__.py.j2");
 
-const INIT_PY_BIN_MAIN_TEMPLATE: &str = r#"import {{ name_safe }}
-import sys
+/// Template for the Cargo.toml.
+const CARGO_TOML_TEMPLATE: &str = include_str!("../templates/lib/maturin/Cargo.toml.j2");
 
-sys.exit({{ name_safe }}.main())
-"#;
-
-/// Template for the lib.rs
-const LIB_RS_TEMPLATE: &str = r#"use pyo3::prelude::*;
-
-/// Prints a message.
-#[pyfunction]
-fn hello() -> PyResult<String> {
-    Ok("Hello from {{ name }}!".into())
-}
-
-/// A Python module implemented in Rust.
-#[pymodule]
-fn _lowlevel(_py: Python, m: &PyModule) -> PyResult<()> {
-    m.add_function(wrap_pyfunction!(hello, m)?)?;
-    Ok(())
-}
-"#;
-
-/// Template for the __init__.py
-const RUST_INIT_PY_TEMPLATE: &str = r#"from {{ name_safe }}._lowlevel import hello
-__all__ = ["hello"]
-
-"#;
-
-/// Template for the Cargo.toml
-const CARGO_TOML_TEMPLATE: &str = r#"[package]
-name = {{ name }}
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-[lib]
-name = {{ name_safe }}
-crate-type = ["cdylib"]
-
-[dependencies]
-pyo3 = "0.19.0"
-
-"#;
-
-/// Template for fresh gitignore files
-const GITIGNORE_TEMPLATE: &str = r#"# python generated files
-__pycache__/
-*.py[oc]
-build/
-dist/
-wheels/
-*.egg-info
-
-{%- if is_rust %}
-# Rust
-target/
-{%- endif %}
-
-# venv
-.venv
-
-"#;
+/// Template for fresh gitignore files.
+const GITIGNORE_TEMPLATE: &str = include_str!("../templates/gitignore.j2");
 
 /// Script used for setup.py setup proxy.
 const SETUP_PY_PROXY_SCRIPT: &str = r#"
@@ -433,7 +279,7 @@ pub fn execute(cmd: Args) -> Result<(), Error> {
         true
     } else if !cmd.no_readme {
         let rv = env.render_named_str(
-            "README.txt",
+            "README.md",
             README_TEMPLATE,
             context! {
                 name => metadata.name,

rye/src/templates/LICENSE.txt.j2

@@ -0,0 +1 @@
+{{ license_text }}

rye/src/templates/README.md.j2

@@ -0,0 +1,7 @@
+# {{ name }}
+
+Describe your project here.
+
+{%- if license %}
+* License: {{ license }}
+{%- endif %}

rye/src/templates/gitignore.j2

@@ -0,0 +1,15 @@
+# python generated files
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+{%- if is_rust %}
+# Rust
+target/
+{%- endif %}
+
+# venv
+.venv

rye/src/templates/lib/default/__init__.py.j2

@@ -0,0 +1,2 @@
+def hello() -> str:
+    return "Hello from {{ name }}!"

rye/src/templates/lib/maturin/Cargo.toml.j2

@@ -0,0 +1,12 @@
+[package]
+name = {{ name }}
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+name = {{ name_safe }}
+crate-type = ["cdylib"]
+
+[dependencies]
+pyo3 = "0.19.0"

rye/src/templates/lib/maturin/__init__.py.j2

@@ -0,0 +1,3 @@
+from {{ name_safe }}._lowlevel import hello
+
+__all__ = ["hello"]

rye/src/templates/lib/maturin/lib.rs.j2

@@ -0,0 +1,14 @@
+const LIB_RS_TEMPLATE: &str = r#"use pyo3::prelude::*;
+
+/// Prints a message.
+#[pyfunction]
+fn hello() -> PyResult<String> {
+    Ok("Hello from {{ name }}!".into())
+}
+
+/// A Python module implemented in Rust.
+#[pymodule]
+fn _lowlevel(_py: Python, m: &PyModule) -> PyResult<()> {
+    m.add_function(wrap_pyfunction!(hello, m)?)?;
+    Ok(())
+}

rye/src/templates/pyproject.toml.j2

@@ -0,0 +1,86 @@
+[project]
+name = {{ name }}
+version = {{ version }}
+description = {{ description }}
+{%- if author %}
+authors = [
+    { name = {{ author[0] }}, email = {{ author[1] }} }
+]
+{%- endif %}
+{%- if dependencies %}
+dependencies = [
+{%- for dependency in dependencies %}
+    {{ dependency }},
+{%- endfor %}
+]
+{%- else %}
+dependencies = []
+{%- endif %}
+{%- if with_readme %}
+readme = "README.md"
+{%- endif %}
+requires-python = {{ requires_python }}
+{%- if license %}
+license = { text = {{ license }} }
+{%- endif %}
+{%- if private %}
+classifiers = ["Private :: Do Not Upload"]
+{%- endif %}
+{%- if is_script %}
+
+[project.scripts]
+hello = {{ name_safe ~ ":main"}}
+{%- endif %}
+
+{%- if not is_virtual %}
+
+[build-system]
+{%- if build_system == "hatchling" %}
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+{%- elif build_system == "setuptools" %}
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+{%- elif build_system == "flit" %}
+requires = ["flit_core>=3.4"]
+build-backend = "flit_core.buildapi"
+{%- elif build_system == "pdm" %}
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"
+{%- elif build_system == "maturin" %}
+requires = ["maturin>=1.2,<2.0"]
+build-backend = "maturin"
+{%- endif %}
+{%- endif %}
+
+[tool.rye]
+managed = true
+{%- if is_virtual %}
+virtual = true
+{%- endif %}
+{%- if dev_dependencies %}
+dev-dependencies = [
+{%- for dependency in dev_dependencies %}
+    {{ dependency }},
+{%- endfor %}
+]
+{%- else %}
+dev-dependencies = []
+{%- endif %}
+
+{%- if not is_virtual %}
+{%- if build_system == "hatchling" %}
+
+[tool.hatch.metadata]
+allow-direct-references = true
+
+[tool.hatch.build.targets.wheel]
+packages = [{{ "src/" ~ name_safe }}]
+{%- elif build_system == "maturin" %}
+
+[tool.maturin]
+python-source = "python"
+module-name = {{ name_safe ~ "._lowlevel" }}
+features = ["pyo3/extension-module"]
+{%- endif %}
+{%- endif %}

rye/src/templates/script/default/__init__.py.j2

@@ -0,0 +1,3 @@
+def main() -> int:
+    print("Hello from {{ name }}!")
+    return 0

rye/src/templates/script/default/__main__.py.j2

@@ -0,0 +1,4 @@
+import {{ name_safe }}
+import sys
+
+sys.exit({{ name_safe }}.main())

rye/src/templates/setuptools.py.j2

@@ -0,0 +1,15 @@
+import json, sys
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+def setup(**kwargs) -> None:
+    print(json.dumps(kwargs), file=sys.stderr)
+
+if __name__ == "setuptools":
+    _setup_proxy_module = sys.modules.pop("setuptools")
+    _setup_proxy_cwd = sys.path.pop(0)
+    import setuptools as __setuptools
+    sys.path.insert(0, _setup_proxy_cwd)
+    sys.modules["setuptools"] = _setup_proxy_module
+    def __getattr__(name):
+        return getattr(__setuptools, name)