src/build_tools/tweak_pkgproj.py

# -*- coding: utf-8 -*-
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"""Fix all version info in the input Info.plist file.

  % python tweak_info_plist.py --output=out.txt --input=in.txt \
      --build_dir=/path/to/xcodebuild --gen_out_dir=/path/to/gen_out_dir \
      --keystone_dir=/path/to/KeyStone --version_file=version.txt \

See mozc_version.py for the detailed information for version.txt.
"""

__author__ = "mukai"

import datetime
import logging
import optparse
import os
import plistlib
import re
import mozc_version

from os import path

_COPYRIGHT_YEAR = datetime.date.today().year

def _ReplaceVariables(data, environment):
  """Replace all occurrence of the variable in data by the value.

  Args:
    data: the original data string
    environment: a dict which maps from variable names to their values

  Returns:
    the data string which replaces the variables by the value.
  """
  def Replacer(matchobj):
    """The replace function to expand variables

    Args:
      matchobj: the match object

    Returns:
      The value for the variable if the variable is defined in the
      environment.  Otherwise original string is returned.
    """
    if environment.has_key(matchobj.group(1)):
      return environment[matchobj.group(1)]
    return matchobj.group(0)

  return re.sub(r'\$\{(\w+)\}', Replacer, data)


def _RemoveDevOnlyLines(data, build_type):
  """Remove dev-only lines.

  Args:
    data: the original data string
    build_type: build type ("dev" or "stable")

  Returns:
    if build_type == "dev"
      the data string including dev-only lines.
    else:
      the data string excluding dev-only lines.
  """
  pat = re.compile("<!--DEV_ONLY_START-->\n(.*)<!--DEV_ONLY_END-->\n",
                   re.DOTALL)
  if build_type == "dev":
    return re.sub(pat, r'\1', data)
  else:
    return re.sub(pat, '', data)


def ParseOptions():
  """Parse command line options.

  Returns:
    An options data.
  """
  parser = optparse.OptionParser()
  parser.add_option("--version_file", dest="version_file")
  parser.add_option("--output", dest="output")
  parser.add_option("--input", dest="input")
  parser.add_option("--build_dir", dest="build_dir")
  parser.add_option("--gen_out_dir", dest="gen_out_dir")
  parser.add_option("--keystone_dir", dest="keystone_dir")
  parser.add_option("--build_type", dest="build_type")

  (options, unused_args) = parser.parse_args()
  return options


def main():
  """The main function."""
  options = ParseOptions()
  required_flags = ["version_file", "output", "input", "build_dir",
                    "gen_out_dir", "keystone_dir", "build_type"]
  for flag in required_flags:
    if getattr(options, flag) is None:
      logging.error("--%s is not specified." % flag)
      exit(-1)

  version = mozc_version.MozcVersion(options.version_file)

  # \xC2\xA9 is the copyright mark in UTF-8
  copyright_message = '\xC2\xA9 %d Google Inc.' % _COPYRIGHT_YEAR
  long_version = version.GetVersionString()
  short_version = version.GetVersionInFormat('@MAJOR@.@MINOR@.@BUILD@')
  variables = {
      'MOZC_VERSIONINFO_MAJOR': version.GetVersionInFormat('@MAJOR@'),
      'MOZC_VERSIONINFO_MINOR': version.GetVersionInFormat('@MINOR@'),
      'MOZC_VERSIONINFO_LONG': long_version,
      'MOZC_VERSIONINFO_SHORT': short_version,
      'MOZC_VERSIONINFO_FINDER':
        'Google Japanese Input %s, %s' % (long_version, copyright_message),
      'GEN_OUT_DIR': path.abspath(options.gen_out_dir),
      'BUILD_DIR': path.abspath(options.build_dir),
      'KEYSTONE_DIR': path.abspath(options.keystone_dir),
      'MOZC_DIR': path.abspath(path.join(os.getcwd(), ".."))
      }

  open(options.output, 'w').write(
      _RemoveDevOnlyLines(
          _ReplaceVariables(open(options.input).read(), variables),
          options.build_type))

if __name__ == '__main__':
    main()