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diff --git a/engine/SCons/Tool/dvips.py b/engine/SCons/Tool/dvips.py
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+"""SCons.Tool.dvips
+
+Tool-specific initialization for dvips.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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__ = "src/engine/SCons/Tool/dvips.py 4577 2009/12/27 19:43:56 scons"
+
+import SCons.Action
+import SCons.Builder
+import SCons.Tool.dvipdf
+import SCons.Util
+
+def DviPsFunction(target = None, source= None, env=None):
+ result = SCons.Tool.dvipdf.DviPdfPsFunction(PSAction,target,source,env)
+ return result
+
+def DviPsStrFunction(target = None, source= None, env=None):
+ """A strfunction for dvipdf that returns the appropriate
+ command string for the no_exec options."""
+ if env.GetOption("no_exec"):
+ result = env.subst('$PSCOM',0,target,source)
+ else:
+ result = ''
+ return result
+
+PSAction = None
+DVIPSAction = None
+PSBuilder = None
+
+def generate(env):
+ """Add Builders and construction variables for dvips to an Environment."""
+ global PSAction
+ if PSAction is None:
+ PSAction = SCons.Action.Action('$PSCOM', '$PSCOMSTR')
+
+ global DVIPSAction
+ if DVIPSAction is None:
+ DVIPSAction = SCons.Action.Action(DviPsFunction, strfunction = DviPsStrFunction)
+
+ global PSBuilder
+ if PSBuilder is None:
+ PSBuilder = SCons.Builder.Builder(action = PSAction,
+ prefix = '$PSPREFIX',
+ suffix = '$PSSUFFIX',
+ src_suffix = '.dvi',
+ src_builder = 'DVI',
+ single_source=True)
+
+ env['BUILDERS']['PostScript'] = PSBuilder
+
+ env['DVIPS'] = 'dvips'
+ env['DVIPSFLAGS'] = SCons.Util.CLVar('')
+ # I'm not quite sure I got the directories and filenames right for variant_dir
+ # We need to be in the correct directory for the sake of latex \includegraphics eps included files.
+ env['PSCOM'] = 'cd ${TARGET.dir} && $DVIPS $DVIPSFLAGS -o ${TARGET.file} ${SOURCE.file}'
+ env['PSPREFIX'] = ''
+ env['PSSUFFIX'] = '.ps'
+
+def exists(env):
+ return env.Detect('dvips')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: