Cython seq

.gitignore

@@ -3,6 +3,7 @@
 
 # Python compiled files
 *.py[cod]
+/src/*/*.so
 
 # do not commit thirdparty cache of wheels
 /thirdparty

configure

@@ -118,7 +118,7 @@ CFG_ROOT_DIR="$( cd "$( dirname "${CFG_BIN}" )" && pwd )"
 
 CFG_BIN_DIR=$CFG_ROOT_DIR/$VIRTUALENV_DIR/bin
 
-# force relaunching under X86-64 architecture on macOS M1/ARM 
+# force relaunching under X86-64 architecture on macOS M1/ARM
 if [[ $OSTYPE == 'darwin'* && $(uname -m) == 'arm64' && $(sysctl -in sysctl.proc_translated) == 0 ]]; then
     arch -x86_64 /bin/bash -c "$CFG_ROOT_DIR/configure $*"
     exit $?
@@ -242,6 +242,7 @@ create_virtualenv() {
             --no-vcs-ignore \
             $CFG_QUIET \
             "$CFG_ROOT_DIR/$VENV_DIR"
+        "$CFG_BIN_DIR/pip" install cython
     fi
 }
 
@@ -253,7 +254,6 @@ install_packages() {
     # be reinstalled a second time and reused from the virtualenv and this
     # speeds up the installation.
     # We always have the PEP517 build dependencies installed already.
-
     "$CFG_BIN_DIR/pip" install \
         --upgrade \
         --no-build-isolation \

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "wheel"]
+requires = ["cython", "setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]
@@ -69,7 +69,7 @@ include = [
   "."
 
 ]
-# ignore test data and testfiles: they should never be linted nor formatted 
+# ignore test data and testfiles: they should never be linted nor formatted
 exclude = [
 # main style
   "**/tests/data/**/*",

setup.py

@@ -1,6 +1,14 @@
 #!/usr/bin/env python
 
 import setuptools
+from Cython.Build import cythonize
+
+
+extensions = [
+    setuptools.Extension("licensedcode.seq", ["src/licensedcode/seq.pyx"], language="c++"),
+]
 
 if __name__ == "__main__":
-    setuptools.setup()
+    setuptools.setup(
+        ext_modules=cythonize(extensions)
+    )

src/licensedcode/seq.py.ABOUT → src/licensedcode/_seq.py.ABOUT

@@ -17,7 +17,7 @@ owner: nexB
 
 license_expression: python
 licenses:
--   file: seq.py.LICENSE
+-   file: _seq.py.LICENSE
     key: python
     name: Python Software Foundation License v2