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# R Overlay -- ebuild construction, ebuild variables
# Copyright 2006-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from roverlay.util import shorten_str
from roverlay.ebuild.abstractcomponents import ListValue, EbuildVar
IUSE_SUGGESTS = 'R_suggests'
RSUGGESTS_NAME = "R_SUGGESTS"
# ignoring case policies here (camel case,..)
class DESCRIPTION ( EbuildVar ):
"""A DESCRIPTION="..." statement."""
def __init__ ( self, description, maxlen=50 ):
"""A DESCRIPTION="..." statement. Long values will be truncated.
arguments:
* description -- description text
* maxlen -- maximum value length (defaults to 50 chars)
"""
super ( DESCRIPTION, self ) . __init__ ( 'DESCRIPTION', description, 80 )
self.maxlen = 50 if maxlen is None else maxlen
def __str__ ( self ):
return '%s%s="%s"' % (
self.indent,
self.name,
shorten_str ( str ( self.value ) , self.maxlen, '... (see metadata)' )
)
class SRC_URI ( EbuildVar ):
"""A SRC_URI="..." statement."""
def __init__ ( self, src_uri ):
super ( SRC_URI, self ) . __init__ ( 'SRC_URI', src_uri, 90 )
class IUSE ( EbuildVar ):
"""An IUSE="..." statement."""
def __init__ ( self, use_flags=None, using_suggests=False ):
"""An IUSE="..." statement.
arguments:
* use_flags -- IUSE value
* using_suggests -- if True: enable R_Suggests USE flag
"""
super ( IUSE, self ) . __init__ (
'IUSE',
ListValue ( use_flags, empty_value='${IUSE:-}' ),
130
)
self.value.single_line = True
if using_suggests:
self.value.add ( IUSE_SUGGESTS )
class R_SUGGESTS ( EbuildVar ):
"""A R_SUGGESTS="..." statement."""
def __init__ ( self, deps, **kw ):
super ( R_SUGGESTS, self ) . __init__ (
RSUGGESTS_NAME,
ListValue ( deps ),
140
)
class DEPEND ( EbuildVar ):
"""A DEPEND="..." statement."""
def __init__ ( self, deps, **kw ):
super ( DEPEND, self ) . __init__ (
'DEPEND',
ListValue ( deps ),
150
)
class RDEPEND ( EbuildVar ):
"""A RDEPEND="..." statement."""
def __init__ ( self, deps, using_suggests=False, **kw ):
super ( RDEPEND, self ) . __init__ (
'RDEPEND',
ListValue ( deps, empty_value="${DEPEND:-}" ),
160
)
if using_suggests: self.enable_suggests()
def enable_suggests ( self ):
"""Adds the optional R_SUGGESTS dependencies to RDEPEND."""
self.value.add ( '%s? ( ${%s} )' % ( IUSE_SUGGESTS, RSUGGESTS_NAME ) )
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