bump version to 0.21.0 (#201)

Author: dicej

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "componentize-py"
-version = "0.20.0"
+version = "0.21.0"
 edition = "2024"
 exclude = ["cpython"]
 

README.md

@@ -66,7 +66,7 @@ bindings for the component:
 > Due to compatibility issues with `wasmtime-py` versions beyond 38.x, **this example** requires version 38.0.0 or earlier: `pip install "wasmtime==38.0.0"`
 
 ```shell
-pip install wasmtime
+pip install wasmtime==38.0.0
 python3 -m wasmtime.bindgen app.wasm --out-dir hello_host
 ```
 

cpython

@@ -10,15 +10,15 @@ run a Python-based component targetting the [wasi-cli] `command` world.
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.20.0
+* `componentize-py` 0.21.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.20.0
+pip install componentize-py==0.21.0
 ```
 
 ## Running the demo

examples/cli/README.md

@@ -11,15 +11,15 @@ run a Python-based component targetting version `0.3.0-rc-2026-01-06` of the
 ## Prerequisites
 
 * `Wasmtime` 41.0.3
-* `componentize-py` 0.20.0
+* `componentize-py` 0.21.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v41.0.3.
 
 ```
 cargo install --version 41.0.3 wasmtime-cli
-pip install componentize-py==0.20.0
+pip install componentize-py==0.21.0
 ```
 
 ## Running the demo

examples/http-p3/README.md

@@ -10,15 +10,15 @@ run a Python-based component targetting the [wasi-http] `proxy` world.
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.20.0
+* `componentize-py` 0.21.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.20.0
+pip install componentize-py==0.21.0
 ```
 
 ## Running the demo

examples/http/README.md

@@ -11,7 +11,7 @@ within a guest component.
 ## Prerequisites
 
 * `wasmtime` 38.0.0 or later
-* `componentize-py` 0.20.0
+* `componentize-py` 0.21.0
 * `NumPy`, built for WASI
 
 Note that we use an unofficial build of NumPy since the upstream project does
@@ -23,7 +23,7 @@ https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.20.0
+pip install componentize-py==0.21.0
 curl -OL https://github.com/dicej/wasi-wheels/releases/download/v0.0.2/numpy-wasi.tar.gz
 tar xf numpy-wasi.tar.gz
 ```

examples/matrix-math/README.md

@@ -7,11 +7,15 @@ sandboxed Python code snippets from within a Python app.
 
 ## Prerequisites
 
-* `wasmtime-py` 38.0.0 or later
-* `componentize-py` 0.20.0
+Note that we must use `wasmtime-py` version 38.0.0 specifically because later
+versions have a different API for working with components, and this example has
+not yet been updated to use it.
+
+* `wasmtime-py` 38.0.0
+* `componentize-py` 0.21.0
 
 ```
-pip install componentize-py==0.20.0 wasmtime==38.0.0
+pip install componentize-py==0.21.0 wasmtime==38.0.0
 ```
 
 ## Running the demo

examples/sandbox/README.md

@@ -11,15 +11,15 @@ making an outbound TCP request using `wasi-sockets`.
 ## Prerequisites
 
 * `Wasmtime` 38.0.0 or later
-* `componentize-py` 0.20.0
+* `componentize-py` 0.21.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
 https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
 cargo install --version 38.0.0 wasmtime-cli
-pip install componentize-py==0.20.0
+pip install componentize-py==0.21.0
 ```
 
 ## Running the demo

examples/tcp/README.md

@@ -7,7 +7,7 @@ features = ["pyo3/extension-module"]
 
 [project]
 name = "componentize-py"
-version = "0.20.0"
+version = "0.21.0"
 description = "Tool to package Python applications as WebAssembly components"
 readme = "README.md"
 license = { file = "LICENSE" }