From 0b250f49cbd8961dbfebe399b7063412941cf948 Mon Sep 17 00:00:00 2001
From: J08nY
Date: Thu, 28 Sep 2023 17:43:33 +0200
Subject: Remove deprecated pkg_resources usage.

---
 pyecsca/codegen/render.py | 6 +++---
 pyproject.toml            | 4 +++-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/pyecsca/codegen/render.py b/pyecsca/codegen/render.py
index 19d395f..7202e86 100644
--- a/pyecsca/codegen/render.py
+++ b/pyecsca/codegen/render.py
@@ -7,11 +7,11 @@ from os import makedirs
 from typing import Optional, List, Set, Mapping, MutableMapping, Any, Tuple
 
 from jinja2 import Environment, PackageLoader
-from pkg_resources import resource_filename
+from importlib_resources import files, as_file
 from public import public
 from pyecsca.ec.configuration import HashType, RandomMod, Reduction, Multiplication, Squaring
 from pyecsca.ec.coordinates import CoordinateModel
-from pyecsca.ec.formula import (Formula)
+from pyecsca.ec.formula import Formula
 from pyecsca.ec.model import CurveModel
 from pyecsca.ec.mult import (ScalarMultiplier, LTRMultiplier, RTLMultiplier, CoronMultiplier,
                              LadderMultiplier, SimpleLadderMultiplier, DifferentialLadderMultiplier,
@@ -248,7 +248,7 @@ def render(config: DeviceConfiguration) -> Tuple[str, str, str]:
     symlinks = ["asn1", "bn", "hal", "hash",  "prng", "simpleserial", "tommath", "fat.h",
                 "rand.h", "point.h", "curve.h", "mult.h", "formulas.h", "action.h", "Makefile.inc"]
     for sym in symlinks:
-        os.symlink(resource_filename("pyecsca.codegen", sym), path.join(temp, sym))
+        os.symlink(files("pyecsca.codegen").joinpath(sym), path.join(temp, sym))
     gen_dir = path.join(temp, "gen")
     makedirs(gen_dir, exist_ok=True)
 
diff --git a/pyproject.toml b/pyproject.toml
index 8eef1b8..fd0f147 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,8 @@
   name = "pyecsca-codegen"
   version = "0.2.0"
   authors = [
-    { name = "Jan Jancar", email = "johny@neuromancer.sk" }
+    { name = "Jan Jancar", email = "johny@neuromancer.sk" },
+    { name = "Andrej Batora"}
   ]
   description = "Python Elliptic Curve cryptography Side Channel Analysis toolkit (codegen package)."
   readme = "README.md"
@@ -35,6 +36,7 @@
     "asn1crypto",
     "jinja2",
     "Click",
+    "importlib-resources",
     "rainbow @ git+https://github.com/Ledger-Donjon/rainbow@master"
   ]
 
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