Adds functions to find png files when pygame is used (optional for Python 2.7.11)

pythonforandroid/recipes/png/__init__.py

@@ -1,12 +1,36 @@
 from pythonforandroid.recipe import NDKRecipe
+from pythonforandroid.logger import shprint
+from pythonforandroid.toolchain import current_directory
+from os.path import join, exists
+import sh
 
 
 class PngRecipe(NDKRecipe):
-	name = 'png'
-	version = '1.6.15'
-	url = 'https://github.com/julienr/libpng-android/archive/{version}.zip'
+    name = 'png'
+    version = '1.6.15'
+    url = 'https://github.com/julienr/libpng-android/archive/{version}.zip'
 
-	generated_libraries = ['libpng.a']
+    generated_libraries = ['libpng.a']
+
+    def should_build(self, arch):
+        if 'pygame' in self.ctx.recipe_build_order:
+            return False
+        return super(PngRecipe, self).should_build(arch)
+
+    def get_jni_dir(self, arch):
+        if 'pygame' in self.ctx.recipe_build_order:
+            return join(self.ctx.bootstrap.build_dir, 'jni')
+        return join(self.get_build_dir(arch.arch), 'jni')
+
+    def get_lib_dir(self, arch):
+        if 'pygame' in self.ctx.recipe_build_order:
+            return join(self.ctx.bootstrap.build_dir, 'obj', 'local', arch.arch)
+        return join(self.get_build_dir(arch.arch), 'libs', arch.arch)
+
+    def get_include_dir(self, arch):
+        if 'pygame' in self.ctx.recipe_build_order:
+            return join(self.get_jni_dir(arch), 'png')
+        return self.get_jni_dir(arch)
 
 
 recipe = PngRecipe()