// The conversion commands are stored in a stringstream
ostringstream script;
- script << "#!/bin/sh\n";
+ script << "#!/usr/bin/env python\n"
+ << "import os, sys\n\n"
+ << "def unlinkNoThrow(file):\n"
+ << " ''' remove a file, do not throw if an error occurs '''\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) +
' ' +
// 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()) {
// 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);
}
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 \"${fromfile}\"\n"
- << "}\n";
+ command << "fromfile = " << from_file << "\n"
+ << "tofile = " << to_file << "\n\n"
+ << "try:\n"
+ << " os.rename(fromfile, tofile)\n"
+ << "except:\n"
+ << " import shutil\n"
+ << " try:\n"
+ << " shutil.copy(fromfile, tofile)\n"
+ << " except:\n"
+ << " sys.exit(1)\n"
+ << " unlinkNoThrow(fromfile)\n";
return command.str();
}
+/*
+A typical script looks like:
+
+#!/usr/bin/env python
+import os, sys
+
+def unlinkNoThrow(file):
+ ''' remove a file, do not throw if error occurs '''
+ try:
+ os.unlink(file)
+ except:
+ pass
+
+infile = '/home/username/Figure3a.eps'
+infile_base = '/home/username/Figure3a'
+outfile = '/tmp/lyx_tmpdir12992hUwBqt/gconvert0129929eUBPm.pdf'
+
+if os.system(r'epstopdf ' + '"' + infile + '"' + ' --output ' + '"' + outfile + '"' + '') != 0:
+ unlinkNoThrow(outfile)
+ sys.exit(1)
+
+if not os.path.isfile(outfile):
+ if os.path.isfile(outfile + '.0'):
+ os.rename(outfile + '.0', outfile)
+ import glob
+ for file in glob.glob(outfile + '.?'):
+ unlinkNoThrow(file)
+ else:
+ sys.exit(1)
+
+fromfile = outfile
+tofile = '/tmp/lyx_tmpdir12992hUwBqt/Figure3a129927ByaCl.ppm'
+
+try:
+ os.rename(fromfile, tofile)
+except:
+ import shutil
+ try:
+ shutil.copy(fromfile, tofile)
+ except:
+ sys.exit(1)
+ unlinkNoThrow(fromfile)
+
+*/
bool build_script(string const & from_file,
string const & to_file_base,
string const & from_format,
outfile = changeExtension(to_base, conv.To->extension());
// Store these names in the shell script
- script << "infile=" << quoteName(infile) << '\n'
- << "infile_base=" << quoteName(infile_base) << '\n'
- << "outfile=" << quoteName(outfile) << '\n';
+ script << "infile = " << quoteName(infile) << '\n'
+ << "infile_base = " << quoteName(infile_base) << '\n'
+ << "outfile = " << quoteName(outfile) << '\n';
string command = conv.command;
- command = subst(command, token_from, "\"${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;
projects / features.git / commitdiff