Update to latest snapshot which supports Python 3

- Change MASTER_SITES to GitHub
- Add LICENSE_FILE
- Add NO_ARCH
- Allow concurrent installation (USE_PYTHON=concurrent)
- Bump PORTREVISION for package change

Changes:	https://github.com/msoulier/tftpy/commits/master

ftp/py-tftpy/Makefile

@@ -3,17 +3,22 @@
 
 PORTNAME=	tftpy
 PORTVERSION=	0.6.2
+PORTREVISION=	1
 CATEGORIES=	ftp python
-MASTER_SITES=	CHEESESHOP \
-		SF/${PORTNAME}
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Pure Python TFTP Implementation
 
 LICENSE=	MIT
+LICENSE_FILE=	${WRKSRC}/COPYING
 
+NO_ARCH=	yes
 USE_PYTHON=	autoplist distutils
-USES=		python:2
+USES=		python
+
+GH_ACCOUNT=	msoulier
+GH_TAGNAME=	c5a7b52
+USE_GITHUB=	yes
 
 .include <bsd.port.mk>

ftp/py-tftpy/distinfo

@@ -1,2 +1,3 @@
-SHA256 (tftpy-0.6.2.tar.gz) = 9bc2bd77113b31b55c12b7298cc2b1cc3c55a8cef9f5f76518ed17e575591b43
-SIZE (tftpy-0.6.2.tar.gz) = 26107
+TIMESTAMP = 1489402358
+SHA256 (msoulier-tftpy-0.6.2-c5a7b52_GH0.tar.gz) = d294e263b181e35327d4f316d7fd13295056a0ea03b1187836d54496a0a9863c
+SIZE (msoulier-tftpy-0.6.2-c5a7b52_GH0.tar.gz) = 820065

ftp/py-tftpy/files/patch-tftpy-TftpServer.py

@@ -0,0 +1,13 @@
+--- tftpy/TftpServer.py.orig	2016-07-07 08:32:15 UTC
++++ tftpy/TftpServer.py
+@@ -53,8 +53,8 @@ class TftpServer(TftpSession):
+         for name in 'dyn_file_func', 'upload_open':
+             attr = getattr(self, name)
+             if attr and not callable(attr):
+-                raise TftpException, "%s supplied, but it is not callable." % (
+-                    name,)
++                raise TftpException("%s supplied, but it is not callable." % (
++                    name))
+         if os.path.exists(self.root):
+             log.debug("tftproot %s does exist", self.root)
+             if not os.path.isdir(self.root):

ftp/py-tftpy/files/patch-tftpy-TftpStates.py

@@ -0,0 +1,11 @@
+--- tftpy/TftpStates.py.orig	2016-07-07 08:32:15 UTC
++++ tftpy/TftpStates.py
+@@ -368,7 +368,7 @@ class TftpStateServerRecvWRQ(TftpServerS
+             f = self.context.upload_open(path, self.context)
+             if f is None:
+                 self.sendError(TftpErrors.AccessViolation)
+-                raise TftpException, "Dynamic path %s not permitted" % path
++                raise TftpException("Dynamic path %s not permitted" % path)
+             else:
+                 self.context.fileobj = f
+         else: