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diff --git a/test/TEX/LATEX.py b/test/TEX/LATEX.py
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+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+"""
+Validate that we can set the LATEX string to our own utility, that
+the produced .dvi, .aux and .log files get removed by the -c option,
+and that we can use this to wrap calls to the real latex utility.
+"""
+
+import TestSCons
+
+_python_ = TestSCons._python_
+
+test = TestSCons.TestSCons()
+
+
+
+test.write('mylatex.py', r"""
+import sys
+import os
+import getopt
+cmd_opts, arg = getopt.getopt(sys.argv[1:], 'i:r:', [])
+base_name = os.path.splitext(arg[0])[0]
+infile = open(arg[0], 'rb')
+dvi_file = open(base_name+'.dvi', 'wb')
+aux_file = open(base_name+'.aux', 'wb')
+log_file = open(base_name+'.log', 'wb')
+for l in infile.readlines():
+    if l[0] != '\\':
+        dvi_file.write(l)
+        aux_file.write(l)
+        log_file.write(l)
+sys.exit(0)
+""")
+
+test.write('SConstruct', """
+env = Environment(LATEX = r'%(_python_)s mylatex.py', tools=['latex'])
+env.DVI(target = 'test1.dvi', source = 'test1.ltx')
+env.DVI(target = 'test2.dvi', source = 'test2.latex')
+""" % locals())
+
+test.write('test1.ltx', r"""This is a .ltx test.
+\end
+""")
+
+test.write('test2.latex', r"""This is a .latex test.
+\end
+""")
+
+test.run(arguments = '.')
+
+test.must_match('test1.dvi', "This is a .ltx test.\n")
+test.must_match('test1.aux', "This is a .ltx test.\n")
+test.must_match('test1.log', "This is a .ltx test.\n")
+
+test.must_match('test2.dvi', "This is a .latex test.\n")
+test.must_match('test2.aux', "This is a .latex test.\n")
+test.must_match('test2.log', "This is a .latex test.\n")
+
+test.run(arguments = '-c .')
+
+test.must_not_exist('test1.dvi')
+test.must_not_exist('test1.aux')
+test.must_not_exist('test1.log')
+
+test.must_not_exist('test2.dvi')
+test.must_not_exist('test2.aux')
+test.must_not_exist('test2.log')
+
+
+
+latex = test.where_is('latex')
+
+if latex:
+
+    test.write("wrapper.py", """import os
+import sys
+open('%s', 'wb').write("wrapper.py\\n")
+os.system(" ".join(sys.argv[1:]))
+""" % test.workpath('wrapper.out').replace('\\', '\\\\'))
+
+    test.write('SConstruct', """
+import os
+ENV = { 'PATH' : os.environ['PATH'],
+        'TEXINPUTS' : [ 'subdir', os.environ.get('TEXINPUTS', '') ] }
+foo = Environment(ENV = ENV)
+latex = foo.Dictionary('LATEX')
+makeindex = foo.Dictionary('MAKEINDEX')
+python_path = r'%(_python_)s'
+bar = Environment(ENV = ENV,
+                  LATEX = python_path + ' wrapper.py ' + latex,
+                  MAKEINDEX =  python_path + ' wrapper.py ' + makeindex)
+foo.DVI(target = 'foo.dvi', source = 'foo.ltx')
+bar.DVI(target = 'bar', source = 'bar.latex')
+
+bar.DVI(target = 'makeindex', source = 'makeindex.tex')
+foo.DVI(target = 'latexi', source = 'latexi.tex')
+""" % locals())
+
+    latex = r"""
+\documentclass{letter}
+\begin{document}
+This is the %s LaTeX file.
+\end{document}
+"""
+
+    makeindex =  r"""
+\documentclass{report}
+\usepackage{makeidx}
+\makeindex
+\begin{document}
+\index{info}
+This is the %s LaTeX file.
+\printindex{}
+\end{document}
+"""
+
+    latex1 = r"""
+\documentclass{report}
+\usepackage{makeidx}
+\input{latexinputfile}
+\begin{document}
+\index{info}
+This is the %s LaTeX file.
+
+It has an Index and includes another file.
+\include{latexincludefile}
+\end{document}
+"""
+
+    latex2 = r"""
+\makeindex
+"""
+
+    latex3 = r"""
+\index{include}
+This is the include file. mod %s
+\printindex{}
+"""
+
+    test.write('foo.ltx', latex % 'foo.ltx')
+
+    test.write('bar.latex', latex % 'bar.latex')
+
+    test.write('makeindex.tex',  makeindex % 'makeindex.tex')
+    test.write('makeindex.idx',  '')
+
+    test.subdir('subdir')
+    test.write('latexi.tex',  latex1 % 'latexi.tex');
+    test.write([ 'subdir', 'latexinputfile'], latex2)
+    test.write([ 'subdir', 'latexincludefile.tex'], latex3 % '1')
+
+    test.run(arguments = 'foo.dvi', stderr = None)
+    test.must_not_exist('wrapper.out')
+    test.must_exist('foo.dvi')
+
+    test.run(arguments = 'bar.dvi', stderr = None)
+    test.must_match('wrapper.out', "wrapper.py\n")
+    test.must_exist('bar.dvi')
+
+    test.run(arguments = 'makeindex.dvi', stderr = None)
+    test.must_match('wrapper.out', "wrapper.py\n")
+
+    test.run(arguments = 'latexi.dvi', stderr = None)
+    test.must_exist('latexi.dvi')
+    test.must_exist('latexi.ind')
+
+    test.write([ 'subdir', 'latexincludefile.tex'], latex3 % '2')
+    test.not_up_to_date(arguments = 'latexi.dvi', stderr = None)
+
+    test.run(arguments = '-c', stderr = None)
+    test.must_not_exist('latexi.ind')
+    test.must_not_exist('latexi.ilg')
+
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: