+def copy_tree(src, dst, preserve_symlinks=False, level=0):
+ ''' Copy an entire directory tree 'src' to a new location 'dst'.
+
+ Code inspired from distutils.copy_tree.
+ Copying ignores non-regular files and the cache directory.
+ Pipes may be present as leftovers from LyX for lyx-server.
+
+ If 'preserve_symlinks' is true, symlinks will be
+ copied as symlinks (on platforms that support them!); otherwise
+ (the default), the destination of the symlink will be copied.
+ '''
+
+ if not os.path.isdir(src):
+ raise FileError, \
+ "cannot copy tree '%s': not a directory" % src
+ try:
+ names = os.listdir(src)
+ except os.error, (errno, errstr):
+ raise FileError, \
+ "error listing files in '%s': %s" % (src, errstr)
+
+ if not os.path.isdir(dst):
+ os.makedirs(dst)
+
+ outputs = []
+
+ for name in names:
+ src_name = os.path.join(src, name)
+ dst_name = os.path.join(dst, name)
+ if preserve_symlinks and os.path.islink(src_name):
+ link_dest = os.readlink(src_name)
+ os.symlink(link_dest, dst_name)
+ outputs.append(dst_name)
+ elif level == 0 and name == 'cache':
+ logger.info("Skip cache %s", src_name)
+ elif os.path.isdir(src_name):
+ outputs.extend(
+ copy_tree(src_name, dst_name, preserve_symlinks, level=(level + 1)))
+ elif stat.S_ISREG(os.stat(src_name).st_mode) or os.path.islink(src_name):
+ shutil.copy2(src_name, dst_name)
+ outputs.append(dst_name)
+ else:
+ logger.info("Ignore non-regular file %s", src_name)
+
+ return outputs
+
+
+def checkUpgrade():
+ ''' Check for upgrade from previous version '''
+ cwd = os.getcwd()
+ basename = os.path.basename( cwd )
+ lyxrc = os.path.join(cwd, outfile)
+ if not os.path.isfile( lyxrc ) and basename.endswith( version_suffix ) :
+ logger.info('Checking for upgrade from previous version.')
+ parent = os.path.dirname(cwd)
+ appname = basename[:(-len(version_suffix))]
+ for version in ['-2.1', '-2.0', '-1.6' ]:
+ logger.debug('Checking for upgrade from previous version ' + version)
+ previous = os.path.join(parent, appname + version)
+ logger.debug('previous = ' + previous)
+ if os.path.isdir( previous ):
+ logger.info('Found directory "%s".', previous)
+ copy_tree( previous, cwd, True )
+ logger.info('Content copied to directory "%s".', cwd)
+ return
+
+