recipes: new recipe coincurve

Author: T-Dynamos

pythonforandroid/recipes/coincurve/__init__.py

@@ -0,0 +1,32 @@
+import os
+from pythonforandroid.recipe import PythonRecipe
+
+
+class CoincurveRecipe(PythonRecipe):
+    version = '18.0.0'
+    url = 'https://github.com/ofek/coincurve/archive/v{version}.tar.gz'
+    call_hostpython_via_targetpython = False
+    depends = [('python2', 'python3crystax'), 'setuptools',
+        'libffi', 'cffi', 'libsecp256k1']
+    patches = [
+        "cross_compile.patch", "drop_setup_requires.patch",
+        "find_lib.patch"]
+
+    def get_recipe_env(self, arch=None, with_flags_in_cc=True):
+        env = super(CoincurveRecipe, self).get_recipe_env(arch, with_flags_in_cc)
+        libsecp256k1 = self.get_recipe('libsecp256k1', self.ctx)
+        libsecp256k1_dir = libsecp256k1.get_build_dir(arch.arch)
+        env['CFLAGS'] += ' -I' + os.path.join(libsecp256k1_dir, 'include')
+        # required additional library and path for Crystax
+        if self.ctx.ndk == 'crystax':
+            # only keeps major.minor (discards patch)
+            python_version = self.ctx.python_recipe.version[0:3]
+            ndk_dir_python = os.path.join(self.ctx.ndk_dir, 'sources/python/', python_version)
+            env['LDFLAGS'] += ' -L{}'.format(os.path.join(ndk_dir_python, 'libs', arch.arch))
+            env['LDFLAGS'] += ' -lpython{}m'.format(python_version)
+        env['LDFLAGS'] += " -lsecp256k1"
+        return env
+
+
+recipe = CoincurveRecipe()
+

pythonforandroid/recipes/coincurve/cross_compile.patch

@@ -0,0 +1,11 @@
+diff '--color=auto' -uNr coincurve-18.0.0/setup.py coincurve-18.0.0.patched/setup.py
+--- coincurve-18.0.0/setup.py	2022-11-20 01:40:25.000000000 +0530
++++ coincurve-18.0.0.patched/setup.py	2023-06-06 14:54:40.889434562 +0530
+@@ -176,6 +176,7 @@
+             absolute('libsecp256k1/configure'),
+             '--disable-shared',
+             '--enable-static',
++            '--host=%s' % os.environ['TOOLCHAIN_PREFIX'],
+             '--disable-dependency-tracking',
+             '--with-pic',
+             '--enable-module-extrakeys',

pythonforandroid/recipes/coincurve/drop_setup_requires.patch

@@ -0,0 +1,32 @@
+--- coincurve-18.0.0/setup.py	2022-11-20 01:40:25.000000000 +0530
++++ coincurve-18.0.0.patched/setup.py	2023-06-06 15:06:58.378312513 +0530
+@@ -49,6 +49,7 @@
+ 
+ 
+ def download_library(command):
++    return
+     if command.dry_run:
+         return
+     libdir = absolute('libsecp256k1')
+@@ -131,7 +132,7 @@
+         return build_flags('libsecp256k1', 'l', os.path.abspath(self.build_temp))
+ 
+     def run(self):
+-        if has_system_lib():
++        if True:
+             log.info('Using system library')
+             return
+ 
+@@ -249,11 +250,10 @@
+             return not has_system_lib()
+ 
+     setup_kwargs = dict(
+-        setup_requires=['cffi>=1.3.0', 'requests'],
++        setup_requires=[],
+         ext_package='coincurve',
+         cffi_modules=['_cffi_build/build.py:ffi'],
+         cmdclass={
+-            'build_clib': build_clib,
+             'build_ext': build_ext,
+             'develop': develop,
+             'egg_info': egg_info,

pythonforandroid/recipes/coincurve/find_lib.patch

@@ -0,0 +1,9 @@
+--- coincurve-18.0.0/setup_support.py	2022-11-20 01:40:25.000000000 +0530
++++ coincurve-18.0.0.patched/setup_support.py	2023-06-06 14:58:52.960948988 +0530
+@@ -60,6 +60,7 @@
+ 
+ 
+ def _find_lib():
++    return True
+     if 'COINCURVE_IGNORE_SYSTEM_LIB' in os.environ:
+         return False