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Fix bug 2637

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* src/graphics/GraphicsCacheItem.C
        (CacheItem::Impl::convertToDisplayFormat): Don't derive the temp
        file name from the original file name. This ensures that it is
        composed of valid characters only.

        * src/graphics/GraphicsConverter.C: remove example script, since it
        will get out of date.
        (build_script): Copy the original file to a temp file before the
        conversion chain starts. This avoids problems with converters that
        can't handle ' in filenames.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14459 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Georg Baum 2006-07-15 11:25:49 +00:00
parent a4032074c9
commit be1f96045b
2 changed files with 14 additions and 53 deletions
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4
src/graphics/GraphicsCacheItem.C
View File

@ -426,12 +426,10 @@ void CacheItem::Impl::convertToDisplayFormat()
}
lyxerr[Debug::GRAPHICS] << "\tConverting it to " << to << " format." << endl;
// Take only the filename part of the file, without path or extension.
string const temp = changeExtension(onlyFilename(filename), string());
// Add some stuff to create a uniquely named temporary file.
// This file is deleted in loadImage after it is loaded into memory.
string const to_file_base = tempName(string(), temp);
string const to_file_base = tempName(string(), "CacheItem");
remove_loaded_file_ = true;
// Remove the temp file, we only want the name...

63
src/graphics/GraphicsConverter.C
View File

@ -33,6 +33,7 @@ namespace support = lyx::support;
using support::changeExtension;
using support::Forkedcall;
using support::ForkedCallQueue;
using support::getExtension;
using support::libFileSearch;
using support::libScriptSearch;
using support::onlyPath;
@ -265,7 +266,6 @@ string const move_file(string const & from_file, string const & to_file)
<< "try:\n"
<< " os.rename(fromfile, tofile)\n"
<< "except:\n"
<< " import shutil\n"
<< " try:\n"
<< " shutil.copy(fromfile, tofile)\n"
<< " except:\n"
@ -276,50 +276,6 @@ string const move_file(string const & from_file, string const & to_file)
}
/*
A typical script looks like:
#!/usr/bin/env python -tt
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,
@ -334,7 +290,7 @@ bool build_script(string const & from_file,
return false;
script << "#!/usr/bin/env python -tt\n"
"import os, sys\n\n"
"import os, shutil, sys\n\n"
"def unlinkNoThrow(file):\n"
" ''' remove a file, do not throw if an error occurs '''\n"
" try:\n"
@ -361,7 +317,15 @@ bool build_script(string const & from_file,
string const to_base = tempName(string(), tmp);
unlink(to_base);
string outfile = from_file;
// Create a copy of the file in case the original name contains
// problematic characters like ' or ". We can work around that problem
// in python, but the converters might be shell scripts and have more
// troubles with it.
string outfile = changeExtension(to_base, getExtension(from_file));
script << "infile = '"
<< subst(subst(from_file, "\\", "\\\\"), "'", "\\'") << "'\n"
"outfile = " << quoteName(outfile) << "\n"
"shutil.copy(infile, outfile)\n";
// The conversion commands may contain these tokens that need to be
// changed to infile, infile_base, outfile respectively.
@ -413,9 +377,8 @@ bool build_script(string const & from_file,
" else:\n"
" sys.exit(1)\n\n";
// Delete the infile, if it isn't the original, from_file.
if (infile != from_file)
script << "unlinkNoThrow(infile)\n\n";
// Delete the infile
script << "unlinkNoThrow(infile)\n\n";
}
// Move the final outfile to to_file