devel/py-rauth: Add Cryptodome support

PR:		248307
Reported by:	john@saltant.com

devel/py-rauth/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	rauth
 PORTVERSION=	0.7.2
+PORTREVISION=	1
 CATEGORIES=	devel www python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 

devel/py-rauth/files/patch-rauth__oauth.py

@@ -0,0 +1,29 @@
+commit 7fb3b7bf1a1869a52cf59ee3eb607d318e97265c
+Author: John W. O'Brien <john@saltant.com>
+Date:   Mon Jul 27 14:56:02 2020 -0400
+
+    Support PyCryptodome as alternative to PyCrypto
+
+--- rauth/oauth.py.orig	2015-11-05 16:01:31 UTC
++++ rauth/oauth.py
+@@ -171,7 +171,8 @@ class RsaSha1Signature(SignatureMethod):
+             from Crypto.Signature import PKCS1_v1_5 as p
+             self.RSA, self.SHA, self.PKCS1_v1_5 = r, s, p
+         except ImportError:  # pragma: no cover
+-            raise NotImplementedError('PyCrypto is required for ' + self.NAME)
++            raise NotImplementedError('PyCrypto(dome) is required for '
++                                      + self.NAME)
+
+     def sign(self,
+              consumer_secret,
+@@ -208,7 +209,9 @@ class RsaSha1Signature(SignatureMethod):
+         # resolve the key
+         if is_basestring(consumer_secret):
+             consumer_secret = self.RSA.importKey(consumer_secret)
+-        if not isinstance(consumer_secret, self.RSA._RSAobj):
++        valid_cls = (getattr(self.RSA, '_RSAobj', False)
++                     or getattr(self.RSA, 'RsaKey', False))
++        if not (valid_cls and isinstance(consumer_secret, valid_cls)):
+             raise ValueError('invalid consumer_secret')
+
+         # hash the string with RSA-SHA1

devel/py-rauth/files/patch-setup.py

@@ -14,7 +14,7 @@
 +tests_require = [
 +    'nose',
 +    'mock',
-+    'pycrypto',
++    'pycryptodome',
 +]
 +
  if sys.version_info[0] == 2 and sys.version_info[1] < 7: