remove highest_semver.py

This tool is no longer used.

Change-Id: I039ed6652de97a2012174cdfa4cc876580508642
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

README.rst

@@ -700,14 +700,6 @@ To clean up Nova kilo blueprints::
   ./autokick.py nova kilo
 
 
-highest_semver.py
------------------
-
-Reads a list of version tags from standard input and prints the
-"highest" value as output, ignoring tags that don't look like valid
-versions.
-
-
 translation-cleanup.sh
 ----------------------
 

highest_semver.py

@@ -1,54 +0,0 @@
-#!/usr/bin/env python
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-"""Read a list of version tags from stdin and pick the one with the
-highest semver value.
-"""
-
-from __future__ import print_function
-
-import fileinput
-import sys
-
-
-tags = []
-for line in fileinput.input(sys.argv[1:]):
-    line = line.strip()
-    if not line:
-        continue
-    parts = line.split('.')
-    try:
-        v = tuple(int(val) for val in parts)
-    except ValueError:
-        # This tag is probably an alpha, so ignore it
-        continue
-    if len(v) == 3:
-        v = v + ('zzz',)  # artifically sort the value higher than alphas
-    # Ignore versions where the beginning doesn't look like a number,
-    # such as 'havana-eol'
-    if not isinstance(v[0], int):
-        continue
-    # Ignore date-based entries
-    if v[0] > 100:
-        continue
-    tags.append(v)
-
-if tags:
-    # We only want to print something if we actually have any tags to
-    # pick from. Otherwise we probably have a library that has never
-    # been released, so there is no valid version.
-    version = max(tags)
-    if version[-1] == 'zzz':
-        version = version[:-1]
-    print('.'.join(str(t) for t in version))