chore: bump version to v4.0.0-beta.4

Author: kxxt

CHANGELOG.md

@@ -1,5 +1,12 @@
 # aspeak Changelog
 
+# v4.0.0-beta.4
+
+- We no longer publish linux wheels to PyPI because of manylinux compatibility issues. Please compile from source if you want to use python bindings on linux.
+- Improve the python bindings.
+- Update docs.
+- Automatically publish to crates.io.
+
 # v4.0.0-beta.3
 
 - Fix: include aspeak binary in wheel package

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "aspeak"
-version = "4.0.0-beta.3"
+version = "4.0.0-beta.4"
 edition = "2021"
 authors = ["kxxt <[email protected]>"]
 description = "A simple text-to-speech client based on Azure's speech synthesis API"

Cargo.toml

@@ -44,6 +44,8 @@ Now the prebuilt wheels are only available for x86_64 architecture.
 Due to some technical issues, I haven't uploaded the source distribution to PyPI yet.
 So to build wheel from source, you need to follow the instructions in [Install from Source](#Install-from-Source).
 
+Because of manylinux compatibility issues, the wheels for linux are not available on PyPI. (But you can still build them from source.)
+
 ### Install from Source
 
 #### CLI Only
@@ -416,13 +418,14 @@ $ aspeak text "Hello World" -F riff-48khz-16bit-mono-pcm -o high-quality.wav
 
 The new version of `aspeak` is written in Rust, and the Python binding is provided by PyO3.
 
-TODO
+Here is a simple example:
 
 ```python
 from aspeak import SpeechService, AudioFormat
 
 service = SpeechService()
 service.connect()
+service.speak_text("Hello, world")
 ```
 
 ### Rust
@@ -433,6 +436,4 @@ Add `aspeak` to your `Cargo.toml`:
 $ cargo add aspeak
 ```
 
-Then you can use it in your code:
-
-TODO
+Then follow the [documentation](https://docs.rs/aspeak) of `aspeak` crate.