py-formencode: update to 1.3.1, add py37

- use default PyPI livecheck
- update homepage and description
- install files in post-destroot
- add noarch

python/py-formencode/Portfile

@@ -4,26 +4,37 @@ PortSystem          1.0
 PortGroup           python 1.0
 
 name                py-formencode
-version             1.2.4
+version             1.3.1
+revision            0
 maintainers         nomaintainer
 platforms           darwin
+supported_archs     noarch
 license             PSF
 
-description         FormEncode validates and converts nested structures.
+description         HTML form validation, generation, and conversion package
 long_description    ${description}
 
-homepage            https://pypi.python.org/pypi/FormEncode/
+homepage            https://github.com/formencode/formencode
 distname            FormEncode-${version}
 master_sites        pypi:F/FormEncode/
-checksums           rmd160 37bdf14bc439a070342020867ee7062bcffce27b
+checksums           rmd160  2a9a47791bf31eec71456b6029a154223e8e4e73 \
+                    sha256  ada2f51792b1b484e5bb7b6cc14acfc1bc11fafc967cf015cd57e856053ca7f6 \
+                    size    197305
 
-python.versions     27
+python.versions     27 37
 
 if {${name} ne ${subport}} {
     depends_build-append \
                     port:py${python.version}-setuptools
-}
 
-livecheck.regex     {/FormEncode/(\d+(?:\.\d+)*)"}
-livecheck.type      regex
-livecheck.url       ${homepage}
+    post-destroot {
+        set docdir ${prefix}/share/doc/${subport}
+        xinstall -d ${destroot}${docdir}
+        xinstall -m 0644 -W ${worksrcpath} README.rst \
+            ${destroot}${docdir}
+    }
+
+    livecheck.type  none
+} else {
+    livecheck.name  FormEncode
+}