Synnefo » snf-ganeti » ganeti-local

#!/usr/bin/python

#

# Copyright (C) 2011 Google Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

# 02110-1301, USA.

"""Script to check NEWS file.

"""

import sys

import time

import datetime

import locale

import fileinput

import re

DASHES_RE = re.compile(r"^\s*-+\s*$")

RELEASED_RE = re.compile(r"^\*\(Released (?P<day>[A-Z][a-z]{2}),"

                         r" (?P<date>.+)\)\*$")

UNRELEASED_RE = re.compile(r"^\*\(unreleased\)\*$")

VERSION_RE = re.compile(r"^Version \d+(\.\d+)+( (beta|rc)\d+)?$")

def main():

  # Ensure "C" locale is used

  curlocale = locale.getlocale()

  if curlocale != (None, None):

    raise Exception("Invalid locale %s" % curlocale)

  prevline = None

  expect_date = False

  count_empty = 0

  for line in fileinput.input():

    line = line.rstrip("\n")

    if VERSION_RE.match(line):

      if count_empty != 2:

        raise Exception("Line %s: Missing 2 empty lines before %s" %

                        (fileinput.filelineno(), line))

    if UNRELEASED_RE.match(line) or RELEASED_RE.match(line):

      if count_empty != 1:

        raise Exception("Line %s: Missing 1 empty line before %s" %

                        (fileinput.filelineno(), line))

    if line:

      count_empty = 0

    else:

      count_empty += 1

    if DASHES_RE.match(line):

      if not VERSION_RE.match(prevline):

        raise Exception("Line %s: Invalid title" %

                        (fileinput.filelineno() - 1))

      if len(line) != len(prevline):

        raise Exception("Line %s: Invalid dashes length" %

                        (fileinput.filelineno()))

      expect_date = True

    elif expect_date:

      if not line:

        # Ignore empty lines

        continue

      if UNRELEASED_RE.match(line):

        # Ignore unreleased versions

        expect_date = False

        continue

      m = RELEASED_RE.match(line)

      if not m:

        raise Exception("Line %s: Invalid release line" %

                        fileinput.filelineno())

      # Including the weekday in the date string does not work as time.strptime

      # would return an inconsistent result if the weekday is incorrect.

      parsed_ts = time.mktime(time.strptime(m.group("date"), "%d %b %Y"))

      parsed = datetime.date.fromtimestamp(parsed_ts)

      weekday = parsed.strftime("%a")

      # Check weekday

      if m.group("day") != weekday:

        raise Exception("Line %s: %s was/is a %s, not %s" %

                        (fileinput.filelineno(), parsed, weekday,

                         m.group("day")))

      expect_date = False

    prevline = line

  sys.exit(0)

if __name__ == "__main__":

  main()