mapnik/scons/scons-local-4.8.1/SCons/Tool/gettext_tool.py

# MIT License
#
# Copyright The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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"""gettext tool"""

import sys
import os

import SCons.Tool
import SCons.Warnings
from SCons.Errors import StopError
from SCons.Platform.mingw import MINGW_DEFAULT_PATHS
from SCons.Platform.cygwin import CYGWIN_DEFAULT_PATHS
from SCons.Tool.GettextCommon import (
    _msgfmt_exists,
    _msginit_exists,
    _msgmerge_exists,
    tool_list,
    _translate,
    _xgettext_exists,
)

def generate(env, **kw) -> None:
    for t in tool_list(env['PLATFORM'], env):
        if sys.platform == 'win32':
            tool = SCons.Tool.find_program_path(
                env, t, default_paths=MINGW_DEFAULT_PATHS + CYGWIN_DEFAULT_PATHS
            )
            if tool:
                tool_bin_dir = os.path.dirname(tool)
                env.AppendENVPath('PATH', tool_bin_dir)
            else:
                SCons.Warnings.warn(
                    SCons.Warnings.SConsWarning,
                    t + ' tool requested, but binary not found in ENV PATH',
                )
        env.Tool(t)
    env.AddMethod(_translate, 'Translate')

def exists(env):
    try:
        return (
            _xgettext_exists(env)
            and _msginit_exists(env)
            and _msgmerge_exists(env)
            and _msgfmt_exists(env)
        )
    except StopError:
        return False