Add cryptography recipe workaround for Android linking

Author: b3b

recipes/cryptography/__init__.py

@@ -0,0 +1,26 @@
+# Workaround for `ImportError: dlopen failed: cannot locate symbol`
+# https://github.com/kivy/python-for-android/issues/3329
+
+from pythonforandroid.recipes.cryptography import (
+    CryptographyRecipe as UpstreamCryptographyRecipe,
+)
+
+
+class CryptographyRecipe(UpstreamCryptographyRecipe):
+    def get_recipe_env(self, arch, **kwargs):
+        env = super().get_recipe_env(arch, **kwargs)
+
+        python_link_version = self.ctx.python_recipe.link_version
+        link_arg = f"-Clink-arg=-lpython{python_link_version}"
+
+        rustflags = env.get("RUSTFLAGS", "").split()
+
+        if link_arg not in rustflags:
+            rustflags.append(link_arg)
+
+        env["RUSTFLAGS"] = " ".join(rustflags)
+
+        return env
+
+
+recipe = CryptographyRecipe()