define sweave to xetex|luatex converters

[lyx.git] / lib / configure.py

diff --git a/lib/configure.py b/lib/configure.py
index a64737be3b6c948b6cb4f038aa639abdae80f12e..318bdcdc7d9563274afa63934795b8ec92a3b3aa 100644 (file)
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -96,6 +96,8 @@ def createDirectories():
 def checkTeXPaths():
     ''' Determine the path-style needed by the TeX engine on Win32 (Cygwin) '''
     windows_style_tex_paths = ''
+    if LATEX == '':
+        return windows_style_tex_paths
     if os.name == 'nt' or sys.platform == 'cygwin':
         from tempfile import mkstemp
         fd, tmpfname = mkstemp(suffix='.ltx')
@@ -426,6 +428,39 @@ def checkLatex(dtl_tools):
     return ''
 
 
+def checkLuatex():
+    ''' Check if luatex is there and usable '''
+    path, LUATEX = checkProg('LuaTeX', ['lualatex $$i'])
+    path, DVILUATEX = checkProg('LuaTeX (DVI)', ['dvilualatex $$i'])
+    if LUATEX != '':
+    # luatex binary is there
+        msg = "checking if LuaTeX is usable ..."
+        # Check if luatex is usable
+        writeToFile('luatest.tex', '''
+\\nonstopmode\\documentclass{minimal}
+\\usepackage{fontspec}
+\\begin{document}
+.
+\\end{document}
+''')
+        # run lualatex on luatest.tex and check result
+        luatest = cmdOutput(LUATEX + ' luatest.tex')
+        if luatest.find('XeTeX is required to compile this document') != -1:
+            # fontspec/luatex too old! We do not support this version.
+            logger.info(msg + ' no (probably not recent enough)')
+        elif luatest.find('! LaTeX Error: File `fontspec.sty\' not found') != -1:
+            # fontspec missing
+            logger.info(msg + ' no (missing fontspec)')
+        else:
+            # working luatex
+            logger.info(msg + ' yes')
+            addToRC(r'\converter luatex      pdf5       "%s"   "latex=lualatex"' % LUATEX)
+            if DVILUATEX != '':
+                addToRC(r'\converter luatex      dvi3        "%s"      "latex=lualatex"' % DVILUATEX)   
+        # remove temporary files
+        removeFiles(['luatest.tex', 'luatest.log'])
+
+
 def checkModule(module):
     ''' Check for a Python module, return the status '''
     msg = 'checking for "' + module + ' module"... '
@@ -600,11 +635,7 @@ def checkConverterEntries():
     checkProg('XeTeX', ['xelatex $$i'],
         rc_entry = [ r'\converter xetex      pdf4       "%%"   "latex=xelatex"' ])
 
-    checkProg('LuaTeX', ['lualatex $$i'],
-        rc_entry = [ r'\converter luatex      pdf5       "%%"  "latex=lualatex"' ])
-
-    checkProg('LuaTeX (DVI)', ['dvilualatex $$i'],
-        rc_entry = [ r'\converter luatex      dvi3        "%%" "latex=lualatex"' ])
+    checkLuatex()
     
     ''' If we're running LyX in-place then tex2lyx will be found in
             ../src/tex2lyx. Add this directory to the PATH temporarily and
@@ -627,9 +658,11 @@ def checkConverterEntries():
         rc_entry = [r'''\converter literate   latex      "%%"  ""
 \converter literate   pdflatex      "%%"       ""'''])
     #
-    checkProg('a Sweave -> LaTeX converter', ['Rscript --no-save --no-restore $$s/scripts/lyxsweave.R $$p$$i $$e $$r'],
-        rc_entry = [r'''\converter sweave   latex      "%%"    ""
-\converter sweave   pdflatex      "%%" ""'''])
+    checkProg('a Sweave -> LaTeX converter', ['Rscript --verbose --no-save --no-restore $$s/scripts/lyxsweave.R $$p$$i $$p$$o $$e $$r'],
+        rc_entry = [r'''\converter sweave   latex      "%%"    "latex"
+\converter sweave   pdflatex   "%%"    "latex=pdflatex"
+\converter sweave   xetex      "%%"    "latex=xelatex"
+\converter sweave   luatex     "%%"    "latex=lualatex"'''])
     #
     checkProg('an HTML -> LaTeX converter', ['html2latex $$i', 'gnuhtml2latex $$i', \
         'htmltolatex -input $$i -output $$o', 'java -jar htmltolatex.jar -input $$i -output $$o'],
@@ -1311,7 +1344,6 @@ Options:
         sys.exit(1)
     setEnviron()
     createDirectories()
-    windows_style_tex_paths = checkTeXPaths()
     dtl_tools = checkDTLtools()
     ## Write the first part of outfile
     writeToFile(outfile, '''# This file has been automatically generated by LyX' lib/configure.py
@@ -1327,6 +1359,7 @@ Options:
     checkConverterEntries()
     (chk_docbook, bool_docbook, docbook_cmd) = checkDocBook()
     checkTeXAllowSpaces()
+    windows_style_tex_paths = checkTeXPaths()
     if windows_style_tex_paths != '':
         addToRC(r'\tex_expects_windows_paths %s' % windows_style_tex_paths)
     checkOtherEntries()