Added get_local_node_and_timestamp() for timestamp versions

setup.py

@@ -90,6 +90,8 @@ def parse(root):
 
         [setuptools_scm.local_scheme]
         node-and-date = setuptools_scm.version:get_local_node_and_date
+        node-and-timestamp = \
+        setuptools_scm.version:get_local_node_and_timestamp
         dirty-tag = setuptools_scm.version:get_local_dirty_tag
     """,
     classifiers=[

setuptools_scm/version.py

@@ -144,6 +144,20 @@ def get_local_node_and_date(version):
         return version.format_choice("+{node}", "+{node}.d{time:%Y%m%d}")
 
 
+def get_local_node_and_timestamp(version, fmt='%Y%m%d%H%M%S'):
+    if version.exact or version.node is None:
+        return version.format_choice("",
+                                     "+d{time:"
+                                     + "{fmt}".format(fmt=fmt)
+                                     + "}")
+    else:
+        return version.format_choice("+{node}",
+                                     "+{node}"
+                                     + ".d{time:"
+                                     + "{fmt}".format(fmt=fmt)
+                                     + "}")
+
+
 def get_local_dirty_tag(version):
     return version.format_choice('', '+dirty')