Update tex builder to handle the case where a \input{foo}

command tries to work with a directory named foo instead of the
file foo.tex. The builder now ignores a directory and continues
searching to find the correct file.

3 files changed, 98 insertions, 12 deletions

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index 4197fa4..8b2ab79 100644
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -18,6 +18,13 @@ RELEASE X.X.X - XXX
 
     - Make the messages for Configure checks of compilers consistent.
 
+  From Rob Managan:
+
+    - Update tex builder to handle the case where a \input{foo}
+      command tries to work with a directory named foo instead of the
+      file foo.tex. The builder now ignores a directory and continues
+      searching to find the correct file. Thanks to Lennart Sauerbeck
+      for the test case and initial patch
 
 
 RELEASE 1.2.0.d20100117 - Sun, 17 Jan 2010 14:26:59 -0800  
diff --git a/src/engine/SCons/Tool/tex.py b/src/engine/SCons/Tool/tex.py
index 11e06bf..c05ffc8 100644
--- a/src/engine/SCons/Tool/tex.py
+++ b/src/engine/SCons/Tool/tex.py
@@ -146,7 +146,7 @@ def FindFile(name,suffixes,paths,env,requireExt=False):
         testName = os.path.join(path,name)
         if Verbose:
             print " look for '%s'" % testName
-        if os.path.exists(testName):
+        if os.path.exists(testName) and os.path.isfile(testName):
             if Verbose:
                 print " found '%s'" % testName
             return env.fs.File(testName)
@@ -161,7 +161,7 @@ def FindFile(name,suffixes,paths,env,requireExt=False):
                 if Verbose:
                     print " look for '%s'" % testNameExt
 
-                if os.path.exists(testNameExt):
+                if os.path.exists(testNameExt) and os.path.isfile(testNameExt):
                     if Verbose:
                         print " found '%s'" % testNameExt
                     return env.fs.File(testNameExt)
@@ -268,7 +268,7 @@ def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None
         # Read the log file to find warnings/errors
         logfilename = targetbase + '.log'
         logContent = ''
-        if os.path.exists(logfilename):
+        if os.path.exists(logfilename) and os.path.isfile(logfilename):
             logContent = open(logfilename, "rb").read()
 
 
@@ -276,7 +276,7 @@ def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None
         flsfilename = targetbase + '.fls'
         flsContent = ''
         auxfiles = []
-        if os.path.exists(flsfilename):
+        if os.path.exists(flsfilename) and os.path.isfile(flsfilename):
             flsContent = open(flsfilename, "rb").read()
             auxfiles = openout_aux_re.findall(flsContent)
         if Verbose:
@@ -290,7 +290,7 @@ def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None
         if count == 1:
             for auxfilename in auxfiles:
                 target_aux = os.path.join(targetdir, auxfilename)
-                if os.path.exists(target_aux):
+                if os.path.exists(target_aux) and os.path.isfile(target_aux):
                     content = open(target_aux, "rb").read()
                     if string.find(content, "bibdata") != -1:
                         if Verbose:
@@ -375,8 +375,10 @@ def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None
 # end of while loop
 
     # rename Latex's output to what the target name is
-    if not (str(target[0]) == resultfilename  and  os.path.exists(resultfilename)):
-        if os.path.exists(resultfilename):
+    if not (str(target[0]) == resultfilename  and  
+            os.path.exists(resultfilename) and 
+            os.path.isfile(resultfilename)):
+        if os.path.exists(resultfilename) and os.path.isfile(resultfilename):
             print "move %s to %s" % (resultfilename, str(target[0]), )
             shutil.move(resultfilename,str(target[0]))
 
@@ -598,10 +600,11 @@ def tex_emitter_core(target, source, env, graphics_extensions):
 
     content = source[0].get_text_contents()
 
-    idx_exists = os.path.exists(targetbase + '.idx')
-    nlo_exists = os.path.exists(targetbase + '.nlo')
-    glo_exists = os.path.exists(targetbase + '.glo')
-    acr_exists = os.path.exists(targetbase + '.acn')
+    # not sure what these were for but they are unused
+    #idx_exists = os.path.exists(targetbase + '.idx') and os.path.isfile(targetbase + '.idx')
+    #nlo_exists = os.path.exists(targetbase + '.nlo') and os.path.isfile(targetbase + '.nlo')
+    #glo_exists = os.path.exists(targetbase + '.glo') and os.path.isfile(targetbase + '.glo')
+    #acr_exists = os.path.exists(targetbase + '.acn') and os.path.isfile(targetbase + '.acn')
 
     # set up list with the regular expressions
     # we use to find features used
@@ -680,7 +683,7 @@ def tex_emitter_core(target, source, env, graphics_extensions):
         env.Clean(target[0],aFile_base + '.aux')
     # read fls file to get all other files that latex creates and will read on the next pass
     # remove files from list that we explicitly dealt with above
-    if os.path.exists(flsfilename):
+    if os.path.exists(flsfilename) and os.path.isfile(flsfilename):
         content = open(flsfilename, "rb").read()
         out_files = openout_re.findall(content)
         myfiles = [auxfilename, logfilename, flsfilename, targetbase+'.dvi',targetbase+'.pdf']
diff --git a/test/TEX/dup_names.py b/test/TEX/dup_names.py
new file mode 100644
index 0000000..0017035
--- /dev/null
+++ b/test/TEX/dup_names.py
@@ -0,0 +1,76 @@
+#!/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__"
+
+"""
+Test whether duplicate base names are handled correctly. Basically there 
+is a directory and a file in the same location with the same basename 
+(foo/ and foo.tex). This test verifies \include{foo} includes foo.tex 
+and not the directory.
+
+Test configuration courtesy Lennart Sauerbeck.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+pdflatex = test.where_is('pdflatex')
+
+if not pdflatex:
+    test.skip_test("Could not find pdflatex; skipping test(s).\n")
+
+test.subdir(['foo'])
+
+test.write('SConstruct', """\
+import os
+env = Environment(tools = ['pdflatex'],
+                  ENV = {'PATH' : os.environ['PATH']})
+pdf = env.PDF( "base.ltx" )
+""")
+
+test.write('base.ltx', r"""
+\documentclass{article}
+
+\begin{document}
+\input{foo}
+\end{document}
+""")
+
+test.write('foo.tex', r"""
+Yes, this is a valid document.
+""")
+
+test.run(arguments = '.', stderr=None)
+
+test.must_exist(test.workpath('base.aux'))
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: