Dear all, Here is the promised patch. It is tested by
1. graphics seems to be converted correctly by convertDefault.py 2. by adding a converter from eps to ppm, a python script is generated when I scroll userguide.lyx (use -dbg graphic to see it). The figure is converted correctly. Please test. Bo
Index: src/graphics/GraphicsConverter.C =================================================================== --- src/graphics/GraphicsConverter.C (revision 14212) +++ src/graphics/GraphicsConverter.C (working copy) @@ -161,14 +161,22 @@ // The conversion commands are stored in a stringstream ostringstream script; - script << "#!/bin/sh\n"; + script << "#!/use/bin/env python\n" + << "import os, sys\n\n" + << "def unlinkNoThrow(file):\n" + << " ''' remove a file, do not throw if an error happens '''\n" + << " try:\n" + << " os.unlink(file)\n" + << " except:\n" + << " pass\n\n"; + bool const success = build_script(from_file, to_file_base, from_format, to_format, script); if (!success) { script_command_ = - "sh " + - quoteName(libFileSearch("scripts", "convertDefault.sh")) + + "python " + + quoteName(libFileSearch("scripts", "convertDefault.py")) + ' ' + quoteName((from_format.empty() ? "" : from_format + ':') + from_file) + ' ' + @@ -188,7 +196,7 @@ // Output the script to file. static int counter = 0; script_file_ = onlyPath(to_file_base) + "lyxconvert" + - convert<string>(counter++) + ".sh"; + convert<string>(counter++) + ".py"; std::ofstream fs(script_file_.c_str()); if (!fs.good()) { @@ -206,7 +214,7 @@ // We create a dummy command for ease of understanding of the // list of forked processes. // Note: 'sh ' is absolutely essential, or execvp will fail. - script_command_ = "sh " + quoteName(script_file_) + ' ' + + script_command_ = "python " + quoteName(script_file_) + ' ' + quoteName(onlyFilename(from_file)) + ' ' + quoteName(to_format); } @@ -259,21 +267,66 @@ return string(); ostringstream command; - command << "fromfile=" << from_file << "\n" - << "tofile=" << to_file << "\n\n" - << "'mv' -f \"${fromfile}\" \"${tofile}\" ||\n" - << "{\n" - << "\t'cp' -f \"${fromfile}\" \"${tofile}\" ||\n" - << "\t{\n" - << "\t\texit 1\n" - << "\t}\n" - << "\t'rm' -f \"${fromfile}\"\n" - << "}\n"; + command << "fromfile = " << from_file << "\n" + << "tofile = " << to_file << "\n\n" + << "try:\n" + << " os.rename(fromfile, tofile)\n" + << "except:\n" + << " import shutil\n" + << " try:\n" + << " shutil.copy(fromfile, tofile)\n" + << " except:\n" + << " sys.exit(1)\n" + << " unlinkNoThrow(fromfile)\n"; return command.str(); } +/* +A typical script looks like: + +#!/use/bin/env python +import os, sys + +def unlinkNoThrow(file): + ''' remove a file, do not throw if error happens ''' + try: + os.unlink(file) + except: + pass + +infile = '/home/username/Figure3a.eps' +infile_base = '/home/username/Figure3a' +outfile = '/tmp/lyx_tmpdir12992hUwBqt/gconvert0129929eUBPm.pdf' + +if os.system(r'epstopdf ' + '"' + infile + '"' + ' --output ' + '"' + outfile + '"' + '') != 0: + unlinkNoThrow(outfile) + sys.exit(1) + +if not os.path.isfile(outfile): + if os.path.isfile(outfile + '.0'): + os.rename(outfile + '.0', outfile) + import glob + for file in glob.glob(outfile + '.?'): + unlinkNoThrow(file) + else: + sys.exit(1) + +fromfile = outfile +tofile = '/tmp/lyx_tmpdir12992hUwBqt/Figure3a129927ByaCl.ppm' + +try: + os.rename(fromfile, tofile) +except: + import shutil + try: + shutil.copy(fromfile, tofile) + except: + sys.exit(1) + unlinkNoThrow(fromfile) + +*/ bool build_script(string const & from_file, string const & to_file_base, string const & from_format, @@ -331,48 +384,46 @@ outfile = changeExtension(to_base, conv.To->extension()); // Store these names in the shell script - script << "infile=" << quoteName(infile) << '\n' - << "infile_base=" << quoteName(infile_base) << '\n' - << "outfile=" << quoteName(outfile) << '\n'; + script << "infile = " << quoteName(infile) << '\n' + << "infile_base = " << quoteName(infile_base) << '\n' + << "outfile = " << quoteName(outfile) << '\n'; string command = conv.command; - command = subst(command, token_from, "\"${infile}\""); - command = subst(command, token_base, "\"${infile_base}\""); - command = subst(command, token_to, "\"${outfile}\""); + command = subst(command, token_from, "' + '\"' + infile + '\"' + '"); + command = subst(command, token_base, "' + '\"' + infile_base + '\"' + '"); + command = subst(command, token_to, "' + '\"' + outfile + '\"' + '"); command = libScriptSearch(command); // Store in the shell script - script << "\n" << command << " ||\n"; + script << "\nif os.system(r'" << command << "') != 0:\n"; // Test that this was successful. If not, remove // ${outfile} and exit the shell script - script << "{\n" - << "\t'rm' -f \"${outfile}\"\n" - << "\texit 1\n" - << "}\n\n"; + script << " unlinkNoThrow(outfile)\n" + << " sys.exit(1)\n\n"; // Test that the outfile exists. // ImageMagick's convert will often create ${outfile}.0, // ${outfile}.1. // If this occurs, move ${outfile}.0 to ${outfile} - // and delete ${outfile}.? - script << "if [ ! -f \"${outfile}\" ]; then\n" - << "\tif [ -f \"${outfile}\".0 ]; then\n" - << "\t\t'mv' -f \"${outfile}\".0 \"${outfile}\"\n" - << "\t\t'rm' -f \"${outfile}\".?\n" - << "\telse\n" - << "\t\texit 1\n" - << "\tfi\n" - << "fi\n\n"; + // and delete ${outfile}.? (ignore errors) + script << "if not os.path.isfile(outfile):\n" + << " if os.path.isfile(outfile + '.0'):\n" + << " os.rename(outfile + '.0', outfile)\n" + << " import glob\n" + << " for file in glob.glob(outfile + '.?'):\n" + << " unlinkNoThrow(file)\n" + << " else:\n" + << " sys.exit(1)\n\n"; // Delete the infile, if it isn't the original, from_file. if (infile != from_file) { - script << "'rm' -f \"${infile}\"\n\n"; + script << "unlinkNoThrow(infile)\n\n"; } } // Move the final outfile to to_file - script << move_file("\"${outfile}\"", quoteName(to_file)); + script << move_file("outfile", quoteName(to_file)); lyxerr[Debug::GRAPHICS] << "ready!" << endl; return true; Index: src/converter.C =================================================================== --- src/converter.C (revision 14212) +++ src/converter.C (working copy) @@ -298,8 +298,8 @@ getExtension(from_file) : formats.extension(from_format); string const command = - "sh " + - quoteName(libFileSearch("scripts", "convertDefault.sh")) + + "python " + + quoteName(libFileSearch("scripts", "convertDefault.py")) + ' ' + quoteName(from_ext + ':' + from_file) + ' ' + Index: src/frontends/controllers/tex_helpers.C =================================================================== --- src/frontends/controllers/tex_helpers.C (revision 14212) +++ src/frontends/controllers/tex_helpers.C (working copy) @@ -54,6 +54,9 @@ one.startscript(Systemcall::Wait, "sh " + quoteName(libFileSearch("scripts", "TeXFiles.sh"))); + // To be changed to + // "python " + + // quoteName(libFileSearch("scripts", "TeXFiles.py"))); } Index: src/support/filetools.h =================================================================== --- src/support/filetools.h (revision 14212) +++ src/support/filetools.h (working copy) @@ -98,7 +98,7 @@ std::string const & name, std::string const & ext = std::string()); -/** Takes a command such as "sh $$s/scripts/convertDefault.sh file.in file.out" +/** Takes a command such as "python $$s/scripts/convertDefault.py file.in file.out" * and replaces "$$s/" with the path to the LyX support directory containing * this script. If the script is not found, "$$s/" is removed. Executing the * command will still fail, but the error message will make some sort of Index: lib/scripts/convertDefault.py =================================================================== --- lib/scripts/convertDefault.py (revision 14210) +++ lib/scripts/convertDefault.py (working copy) @@ -1,10 +1,11 @@ -#! /bin/sh +#!/usr/bin/env python -# file convertDefault.sh +# file convertDefault.py # This file is part of LyX, the document processor. # Licence details can be found in the file COPYING. -# author Herbert Voß +# \author Herbert Voß +# \author Bo Peng # Full author contact details are available in file CREDITS. @@ -15,8 +16,9 @@ # replacement in ~/.lyx/scripts # converts an image from $1 to $2 format -convert -depth 8 "$1" "$2" || { - echo "$0 ERROR" >&2 - echo "Execution of \"convert\" failed." >&2 - exit 1 -} +import os, sys +if os.system(r'convert -depth 8 "%s" "%s"' % (sys.argv[1], sys.argv[2])) != 0: + print >> sys.stderr, sys.argv[0], 'ERROR' + print >> sys.stderr, 'Execution of "convert" failed.' + sys.exit(1) + Index: lib/scripts/convertDefault.sh =================================================================== --- lib/scripts/convertDefault.sh (revision 14212) +++ lib/scripts/convertDefault.sh (working copy) @@ -1,22 +0,0 @@ -#! /bin/sh - -# file convertDefault.sh -# This file is part of LyX, the document processor. -# Licence details can be found in the file COPYING. - -# author Herbert Voß - -# Full author contact details are available in file CREDITS. - -# The default converter if no other has been defined by the user from the -# Conversion->Converter tab of the Preferences dialog. - -# The user can also redefine this default converter, placing their -# replacement in ~/.lyx/scripts - -# converts an image from $1 to $2 format -convert -depth 8 "$1" "$2" || { - echo "$0 ERROR" >&2 - echo "Execution of \"convert\" failed." >&2 - exit 1 -}