| #!/usr/bin/env python |
| # |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| import sys |
| import operator |
| |
| |
| def count(infile): |
| # infile should be a simple file with author names on each line |
| counts = {} |
| for line in infile: |
| author = line.strip() |
| counts[author] = counts.get(author, 0) + 1 |
| |
| return counts |
| |
| |
| def histogram(counts, width): |
| max_len = max([len(author) for author in counts.keys()]) |
| max_count = max(counts.values()) |
| |
| adjustor = float(max_count) / (width - max_len - 3) |
| |
| for author, count in sorted(counts.items(), |
| key=operator.itemgetter(1), # sort on count |
| reverse=True): |
| print("%-*s | %s" % (max_len, author, "X"*int(count/adjustor))) |
| |
| |
| if __name__ == '__main__': |
| if len(sys.argv) < 2: |
| ### TODO: Automagically determine terminal width |
| width = 80 |
| else: |
| width = int(sys.argv[1]) |
| histogram(count(sys.stdin), width) |