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#!/usr/bin/env python
"""
sort-md-list.py sorts markdown lists
Use this script to prepare sections of the changelog.
this script expects a bulleted markdown list in stdout
for example
./sort-md-list.py - <<EOF
* builder/amazon: Only delete temporary key if we created one. [GH-4850]
* core: Correctly reject config files which have junk after valid json.
[GH-4906]
* builder/azure: Replace calls to panic with error returns. [GH-4846]
* communicator/winrm: Use KeepAlive to keep long-running connections open. [GH-4952]
EOF
output:
* builder/amazon: Only delete temporary key if we created one. [GH-4850]
* builder/azure: Replace calls to panic with error returns. [GH-4846]
* communicator/winrm: Use KeepAlive to keep long-running connections open.
[GH-4952]
* core: Correctly reject config files which have junk after valid json.
[GH-4906]
As you can see, the output is sorted and spaced appropriately.
Limitations:
* nested lists are not supported
* must be passed a list to stdin, it does not process the changelog
* whitespace within the list is elided
"""
import fileinput
import sys
import textwrap
if __name__ == '__main__':
lines = []
working = []
for line in fileinput.input():
line = line.strip()
if line.startswith('*'):
if len(working):
lines.append( " ".join(working))
working = [line]
else:
working.append(line)
if len(working):
lines.append( " ".join(working))
# take care of blank line at start of selection
sys.stdin.seek(0)
if sys.stdin.readlines()[0].strip() == "":
print ""
for line in sorted(lines, key=lambda s: s.lower()):
if line.strip() == "":
continue
# print "-"*79
wrapped = textwrap.wrap(line, 79)
print wrapped[0]
indented = " ".join([s.strip() for s in wrapped[1:]])
for iline in textwrap.wrap(indented, 79-4):
print " " + iline
# take care of blank line at end of selection
sys.stdin.seek(0)
if sys.stdin.readlines()[-1].strip() == "":
print ""
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