Add pyproject.toml and bump minimal cffi deps

I *think* this is the modern way to specify setup_requires... Hopefully this fixed Issue jbaiter#27. The `cffi` parts of the toml file come from [1]. [1] pyca/cryptography#3548
plomgrading · Aug 23, 2020 · e9cb057 · e9cb057
1 parent b3ab1c5
commit e9cb057
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -0,0 +1,6 @@
+[build-system]
+requires = [
+    "setuptools",
+    "wheel",
+    "cffi>=1.4.1; platform_python_implementation != 'PyPy'",
+]
diff --git a/setup.py b/setup.py
@@ -28,7 +28,6 @@
     python_requires=">=3.5",
     packages=['jpegtran'],
     package_data={'jpegtran': ['jpegtran.cdef']},
-    setup_requires=['cffi >= 1.0'],
-    install_requires=['cffi >= 1.0'],
+    install_requires=['cffi>=1.4.1'],
     cffi_modules=["jpegtran/jpegtran_build.py:ffi"]
 )