py-dnspython: update to 2.1.0 for python 36+; use pypi; enable tests

python/py-dnspython/Portfile

@@ -4,7 +4,7 @@ PortSystem         1.0
 PortGroup          python 1.0
 
 name               py-dnspython
-version            1.16.0
+version            2.1.0
 categories-append  net
 license            ISC
 platforms          darwin
@@ -18,17 +18,48 @@ long_description \
   dynamic updates. It supports TSIG authenticated messages and EDNS0.
 
 homepage           http://www.dnspython.org/
-master_sites       ${homepage}kits/${version}
 distname           dnspython-${version}
+master_sites       pypi:[string index ${python.rootname} 0]/${python.rootname}/
 
-python.versions    27 35 36 37 38 39
+python.versions    27 36 37 38 39
 
-checksums          rmd160  c3662f85998d51b437a3eaa0f5a04c3b0d61fd69 \
-                   sha256  4bf5c5c12a4478ee7860ab176659cf64c4899ee76752d826b082f8af723c5cf9 \
-                   size    150524
+use_zip            true
+
+checksums          rmd160  788eefa23e3ec734bfd02910ecab2cff534bb117 \
+                   sha256  e4a87f0b573201a0f3727fa18a516b055fd1107e0e5477cded4a2de497df1dd4 \
+                   size    389021
 
 if {${name} ne ${subport}} {
   depends_build-append port:py${python.version}-setuptools
+
+  depends_lib-append port:py${python.version}-cryptography \
+                     port:py${python.version}-idna \
+                     port:py${python.version}-requests \
+                     port:py${python.version}-requests-toolbelt \
+                     port:py${python.version}-sniffio \
+                     port:py${python.version}-trio
+
+    if {${python.version} eq 27} {
+        version             1.16.0
+        revision            0
+        # Below distname is required for this to work
+        distname            dnspython-${version}
+
+        checksums           rmd160  1be4e79bcadfd39bc631d56391f727ce92fdabe2 \
+                            sha256  36c5e8e38d4369a08b6780b7f27d790a292b2b08eea01607865bf0936c558e01 \
+                            size    266364
+
+        depends_lib-delete  port:py${python.version}-sniffio \
+                            port:py${python.version}-trio
+    } else {
+        depends_test-append port:py${python.version}-pytest
+
+        test.run        yes
+        test.dir        ${build.dir}/tests
+        test.cmd        python${python.branch}
+        test.target     utest.py
+        test.env        PYTHONPATH=${worksrcpath}/build/lib
+    }
 }
 
 post-destroot {
@@ -42,11 +73,3 @@ post-destroot {
     ${destroot}${prefix}/share/doc/${subport}/examples
   }
 }
-
-if {${name} eq ${subport}} {
-  livecheck.type   regex
-  livecheck.url    ${homepage}
-  livecheck.regex  {is (\d+(?:\.\d+)*),}
-} else {
-  livecheck.type   none
-}