Use different lzma crate without liblzma-dev dependency (#778)

.github/workflows/ci.yml

@@ -24,13 +24,6 @@ jobs:
           cache-dependency-glob: "uv.lock"
           cache-local-path: ${{ env.UV_CACHE_DIR }}
 
-      - name: Install additional OS dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install \
-            pkg-config \
-            liblzma-dev
-
       - name: 🏗 Install the project
         run: uv sync --locked --group lint
 
@@ -67,13 +60,6 @@ jobs:
           cache-local-path: ${{ env.UV_CACHE_DIR }}
           python-version: ${{ matrix.python-version }}
 
-      - name: Install additional OS dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install \
-            pkg-config \
-            liblzma-dev
-
       - name: 🏗 Install the project
         run: uv sync --locked --group test
 
@@ -106,13 +92,6 @@ jobs:
         with:
           python-version-file: ".python-version"
 
-      - name: Install additional OS dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install \
-            pkg-config \
-            liblzma-dev
-
       - name: 🏗 Install the project
         run: |
           uv export --group benchmark > requirements.txt

.github/workflows/python-publish.yml

@@ -31,12 +31,6 @@ jobs:
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
-      - name: Install additional OS dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install \
-            pkg-config \
-            liblzma-dev
       - name: 🏗 Set package version
         run: |
           sed -i "s/^version = \".*\"/version = \"${{ github.event.release.tag_name }}\"/" pyproject.toml

Cargo.toml

@@ -12,5 +12,5 @@ crate-type = ["cdylib"]
 [dependencies]
 base64 = "0.22.1"
 byteorder = "1.5.0"
+liblzma = "0.3.5"
 pyo3 = "0.23.3"
-rust-lzma = "0.6.0"

scripts/setup.sh

@@ -8,7 +8,6 @@ curl -LsSf https://astral.sh/uv/install.sh | sh
 
 # Install required packages for rust-lzma
 sudo apt update
-sudo apt install -y pkg-config liblzma-dev
 
 # Install project dependencies
 uv sync --frozen --group dev

src/util.rs

@@ -1,6 +1,9 @@
 use std::error::Error;
+use std::io::{Cursor, Read};
 
 use base64::{engine::general_purpose, Engine as _};
+use liblzma::read::XzDecoder;
+use liblzma::stream::Stream;
 use pyo3::exceptions::PyValueError;
 use pyo3::prelude::*;
 
@@ -15,7 +18,13 @@ pub fn decompress_7z_base64_data(value: String) -> Result<Vec<u8>, Box<dyn Error
         bytes.insert(8, 0);
     }
 
-    Ok(lzma::decompress(&bytes)?)
+    let source = Cursor::new(&bytes);
+    let stream = Stream::new_lzma_decoder(u64::MAX)?;
+    let mut r = XzDecoder::new_stream(source, stream);
+    let mut result = Vec::new();
+    r.read_to_end(&mut result)?;
+
+    Ok(result)
 }
 
 /// Decompress base64 decoded 7z compressed string.