Bump to 3.2 for multi-platform wheel support.

updates some build info on Readme.
pull support code from c2pa-c main branch.

Author: gpeacock

.gitignore

@@ -19,6 +19,7 @@ Cargo.lock
 # Python caches
 __pycache__/
 .pytest_cache/
+dist
 
 # Mac OS X files
 .DS_Store

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "c2pa-python"
-version = "0.3.1"
+version = "0.3.2"
 edition = "2021"
 authors = ["Gavin Peacock <[email protected]"]
 
@@ -10,8 +10,7 @@ name = "c2pa_python"
 crate-type = ["cdylib"]
 
 [dependencies]
-c2pa-c = { git = "https://github.com/contentauth/c2pa-c.git", branch = "gpeacock/rlib"}
-#c2pa = {version="0.26.0", features = ["file_io", "add_thumbnails", "fetch_remote_manifests"]}
+c2pa-c = { git = "https://github.com/contentauth/c2pa-c.git", branch = "main"}
 serde = { version = "1.0", features = ["derive"] }
 serde_derive = "1.0"
 serde_json = "1.0"

README.md

@@ -14,22 +14,9 @@ Install from PyPI by entering this command:
 pip install -U c2pa-python
 ```
 
-To build from source on Linux, install curl and rustup and set up python
-
-```
-apt update
-apt install curl
-curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
-source "$HOME/.cargo/env"
-
-apt install python3
-apt install pip
-apt install python3.11-venv
+This is a platform wheel built with Rust. If your platform is not already supported,
+see the development section for info on how to build from source.
 
-python3 -m venv .venv
-source .venv/bin/activate
-pip install uniffi-bindgen
-pip install -U c2pa-python
 ```
 ## Usage
 
@@ -120,18 +107,36 @@ manifest_json = json.dumps({
 
 It is best to [set up a virtual environment](https://virtualenv.pypa.io/en/latest/installation.html) for development and testing.
 
-We use `maturin` for packaging Rust in Python. Install it as follows: 
+To build from source on Linux, install curl and rustup and set up python
 
+First update apt
 ```
-pip install maturin
+apt update
 ```
 
-You also must install `uniffi`, `bindgen`, and `pytest` for testing
+Install Rust
+```apt install curl
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+source "$HOME/.cargo/env"
+```
 
+Install Python, pip and venv
 ```
-pip install uniffi_bindgen
+apt install python3
+apt install pip
+apt install python3.11-venv
+python3 -m venv .venv
+```
+
+Build the wheel for your platform
+```
+source .venv/bin/activate
+pip install maturin
+pip install uniffi-bindgen
+python3 -m pip install build
 pip install -U pytest
-pip install <path-to-whl> --force-reinstall
+
+python3 -m build --wheel
 ```
 
 ### Testing

tests/test_c2pa.py

@@ -24,7 +24,7 @@ def getitem(d, key):
     return reduce(operator.getitem, key, d)
 
 def test_version():
-    assert c2pa.version() == "0.3.0"
+    assert c2pa.version() == "0.3.2"
 
 def test_sdk_version():
     assert c2pa.sdk_version() == "0.28.3"