mapnik/scons/scons-local-2.3.1/SCons/Options/PathOption.py

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__revision__ = "src/engine/SCons/Options/PathOption.py  2014/03/02 14:18:15 garyo"

__doc__ = """Place-holder for the old SCons.Options module hierarchy

This is for backwards compatibility.  The new equivalent is the Variables/
class hierarchy.  These will have deprecation warnings added (some day),
and will then be removed entirely (some day).
"""

import SCons.Variables
import SCons.Warnings

warned = False

class _PathOptionClass(object):
    def warn(self):
        global warned
        if not warned:
            msg = "The PathOption() function is deprecated; use the PathVariable() function instead."
            SCons.Warnings.warn(SCons.Warnings.DeprecatedOptionsWarning, msg)
            warned = True

    def __call__(self, *args, **kw):
        self.warn()
        return SCons.Variables.PathVariable(*args, **kw)

    def PathAccept(self, *args, **kw):
        self.warn()
        return SCons.Variables.PathVariable.PathAccept(*args, **kw)

    def PathIsDir(self, *args, **kw):
        self.warn()
        return SCons.Variables.PathVariable.PathIsDir(*args, **kw)

    def PathIsDirCreate(self, *args, **kw):
        self.warn()
        return SCons.Variables.PathVariable.PathIsDirCreate(*args, **kw)

    def PathIsFile(self, *args, **kw):
        self.warn()
        return SCons.Variables.PathVariable.PathIsFile(*args, **kw)

    def PathExists(self, *args, **kw):
        self.warn()
        return SCons.Variables.PathVariable.PathExists(*args, **kw)

PathOption = _PathOptionClass()

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