133 lines
4.3 KiB
Python
133 lines
4.3 KiB
Python
"""engine.SCons.Options.ListOption
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This file defines the option type for SCons implementing 'lists'.
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A 'list' option may either be 'all', 'none' or a list of names
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separated by comma. After the option has been processed, the option
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value holds either the named list elements, all list elemens or no
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list elements at all.
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Usage example:
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list_of_libs = Split('x11 gl qt ical')
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opts = Options()
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opts.Add(ListOption('shared',
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'libraries to build as shared libraries',
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'all',
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elems = list_of_libs))
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...
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for lib in list_of_libs:
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if lib in env['shared']:
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env.SharedObject(...)
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else:
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env.Object(...)
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"""
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#
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# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "src/engine/SCons/Options/ListOption.py 2523 2007/12/12 09:37:41 knight"
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# Know Bug: This should behave like a Set-Type, but does not really,
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# since elements can occur twice.
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__all__ = ('ListOption',)
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import string
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import UserList
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import SCons.Util
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class _ListOption(UserList.UserList):
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def __init__(self, initlist=[], allowedElems=[]):
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UserList.UserList.__init__(self, filter(None, initlist))
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self.allowedElems = allowedElems[:]
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self.allowedElems.sort()
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def __cmp__(self, other):
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raise NotImplementedError
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def __eq__(self, other):
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raise NotImplementedError
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def __ge__(self, other):
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raise NotImplementedError
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def __gt__(self, other):
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raise NotImplementedError
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def __le__(self, other):
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raise NotImplementedError
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def __lt__(self, other):
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raise NotImplementedError
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def __str__(self):
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if len(self) == 0:
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return 'none'
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self.data.sort()
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if self.data == self.allowedElems:
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return 'all'
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else:
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return string.join(self, ',')
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def __repr__(self):
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return self.__str__()
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def _converter(val, allowedElems, mapdict):
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"""
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"""
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if val == 'none':
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val = []
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elif val == 'all':
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val = allowedElems
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else:
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val = filter(None, string.split(val, ','))
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val = map(lambda v, m=mapdict: m.get(v, v), val)
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notAllowed = filter(lambda v, aE=allowedElems: not v in aE, val)
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if notAllowed:
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raise ValueError("Invalid value(s) for option: %s" %
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string.join(notAllowed, ','))
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return _ListOption(val, allowedElems)
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## def _validator(key, val, env):
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## """
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## """
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## # todo: write validater for pgk list
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## return 1
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def ListOption(key, help, default, names, map={}):
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"""
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The input parameters describe a 'package list' option, thus they
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are returned with the correct converter and validater appended. The
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result is usable for input to opts.Add() .
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A 'package list' option may either be 'all', 'none' or a list of
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package names (separated by space).
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"""
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names_str = 'allowed names: %s' % string.join(names, ' ')
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if SCons.Util.is_List(default):
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default = string.join(default, ',')
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help = string.join(
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(help, '(all|none|comma-separated list of names)', names_str),
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'\n ')
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return (key, help, default,
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None, #_validator,
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lambda val, elems=names, m=map: _converter(val, elems, m))
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