Update cryptography recipe and grants python3 support

In order to not have troubles with python3 we update most of the dependant recipes to the latest available versions.

Author: opacam

pythonforandroid/recipes/cffi/__init__.py

@@ -10,7 +10,7 @@ class CffiRecipe(CompiledComponentsPythonRecipe):
     version = '1.11.5'
     url = 'https://pypi.python.org/packages/source/c/cffi/cffi-{version}.tar.gz'
 
-    depends = [('python2', 'python3crystax'), 'setuptools', 'pycparser', 'libffi']
+    depends = ['setuptools', 'pycparser', 'libffi']
 
     patches = ['disable-pkg-config.patch']
 

pythonforandroid/recipes/cryptography/__init__.py

@@ -3,10 +3,10 @@
 
 class CryptographyRecipe(CompiledComponentsPythonRecipe):
     name = 'cryptography'
-    version = '2.3.1'
+    version = '2.4.2'
     url = 'https://github.com/pyca/cryptography/archive/{version}.tar.gz'
-    depends = [('python2', 'python3crystax'), 'openssl', 'idna', 'asn1crypto',
-               'six', 'setuptools', 'enum34', 'ipaddress', 'cffi']
+    depends = ['openssl', 'idna', 'asn1crypto', 'six', 'setuptools',
+               'enum34', 'ipaddress', 'cffi']
     call_hostpython_via_targetpython = False
 
     def get_recipe_env(self, arch):

pythonforandroid/recipes/enum34/__init__.py

@@ -4,9 +4,19 @@
 class Enum34Recipe(PythonRecipe):
     version = '1.1.3'
     url = 'https://pypi.python.org/packages/source/e/enum34/enum34-{version}.tar.gz'
-    depends = [('python2', 'python3crystax'), 'setuptools']
+    depends = ['setuptools']
     site_packages_name = 'enum'
     call_hostpython_via_targetpython = False
 
+    def should_build(self, arch):
+        if 'python3' in self.ctx.python_recipe.name:
+            # Since python 3.6 the enum34 library is no longer compatible with
+            # the standard library and it will cause errors, so we disable it
+            # in favour of the internal module, but we still add python3 to
+            # attribute `depends` because otherwise we will not be able to
+            # build the cryptography recipe.
+            return False
+        return super(Enum34Recipe, self).should_build(arch)
+
 
 recipe = Enum34Recipe()

pythonforandroid/recipes/idna/__init__.py

@@ -3,10 +3,10 @@
 
 class IdnaRecipe(PythonRecipe):
     name = 'idna'
-    version = '2.6'
+    version = '2.8'
     url = 'https://github.com/kjd/idna/archive/v{version}.tar.gz'
 
-    depends = [('python2', 'python3crystax'), 'setuptools']
+    depends = ['setuptools']
 
     call_hostpython_via_targetpython = False
 

pythonforandroid/recipes/ipaddress/__init__.py

@@ -3,10 +3,8 @@
 
 class IpaddressRecipe(PythonRecipe):
     name = 'ipaddress'
-    version = '1.0.16'
-    url = 'https://pypi.python.org/packages/source/i/ipaddress/ipaddress-{version}.tar.gz'
-
-    depends = [('python2', 'python3crystax')]
+    version = '1.0.22'
+    url = 'https://github.com/phihag/ipaddress/archive/v{version}.tar.gz'
 
 
 recipe = IpaddressRecipe()

pythonforandroid/recipes/pycparser/__init__.py

@@ -6,7 +6,7 @@ class PycparserRecipe(PythonRecipe):
     version = '2.14'
     url = 'https://pypi.python.org/packages/source/p/pycparser/pycparser-{version}.tar.gz'
 
-    depends = [('python2', 'python3crystax'), 'setuptools']
+    depends = ['setuptools']
 
     call_hostpython_via_targetpython = False