79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
|
"""scons.Node.Python
|
||
|
|
|
||
|
|
Python nodes.
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
#
|
||
|
|
# Copyright (c) 2001, 2002, 2003, 2004 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.
|
||
|
|
#
|
||
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
|
||
|
|
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
||
|
|
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||
|
|
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||
|
|
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||
|
|
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
#
|
||
|
|
|
||
|
|
__revision__ = "/home/scons/scons/branch.0/baseline/src/engine/SCons/Node/Python.py 0.96.1.D001 2004/08/23 09:55:29 knight"
|
||
|
|
|
||
|
|
import SCons.Node
|
||
|
|
|
||
|
|
class Value(SCons.Node.Node):
|
||
|
|
"""A class for Python variables, typically passed on the command line
|
||
|
|
or generated by a script, but not from a file or some other source.
|
||
|
|
"""
|
||
|
|
def __init__(self, value):
|
||
|
|
SCons.Node.Node.__init__(self)
|
||
|
|
self.value = value
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return repr(self.value)
|
||
|
|
|
||
|
|
def build(self):
|
||
|
|
"""A "builder" for Values."""
|
||
|
|
pass
|
||
|
|
|
||
|
|
current = SCons.Node.Node.children_are_up_to_date
|
||
|
|
|
||
|
|
def is_under(self, dir):
|
||
|
|
# Make Value nodes get built regardless of
|
||
|
|
# what directory scons was run from. Value nodes
|
||
|
|
# are outside the filesystem:
|
||
|
|
return 1
|
||
|
|
|
||
|
|
def get_contents(self):
|
||
|
|
"""The contents of a Value are the concatenation
|
||
|
|
of all the contents of its sources with the node's value itself."""
|
||
|
|
contents = str(self.value)
|
||
|
|
for kid in self.children(None):
|
||
|
|
contents = contents + kid.get_contents()
|
||
|
|
return contents
|
||
|
|
|
||
|
|
def calc_csig(self, calc=None):
|
||
|
|
"""Because we're a Python value node and don't have a real
|
||
|
|
timestamp, we get to ignore the calculator and just use the
|
||
|
|
value contents."""
|
||
|
|
try:
|
||
|
|
binfo = self.binfo
|
||
|
|
except:
|
||
|
|
binfo = self.binfo = self.new_binfo()
|
||
|
|
try:
|
||
|
|
return binfo.csig
|
||
|
|
except AttributeError:
|
||
|
|
binfo.csig = self.get_contents()
|
||
|
|
self.store_info(binfo)
|
||
|
|
return binfo.csig
|