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-rwxr-xr-xmisc/easytags/normalize-tags.py108
1 files changed, 63 insertions, 45 deletions
diff --git a/misc/easytags/normalize-tags.py b/misc/easytags/normalize-tags.py
index 6701c53..a96ed3f 100755
--- a/misc/easytags/normalize-tags.py
+++ b/misc/easytags/normalize-tags.py
@@ -7,56 +7,74 @@ canonical filenames this can significantly reduce the size of your tags file.
This script makes a backup of the tags file in case something goes wrong.
Author: Peter Odding <peter@peterodding.com>
-Last Change: May 11, 2011
+Last Change: September 4, 2011
URL: https://github.com/xolox/vim-easytags/blob/master/normalize-tags.py
'''
import os, sys, time
-tagsfile = os.path.expanduser(len(sys.argv) > 1 and sys.argv[1] or '~/.vimtags')
-tempname = '%s-new-%d' % (tagsfile, time.time())
-results, cache = {}, {}
-infile = open(tagsfile)
-outfile = open(tempname, 'w')
-nprocessed = 0
-fold_case = False
-
-for line in infile:
- nprocessed += 1
- line = line.rstrip()
- fields = line.split('\t')
- if line.startswith('!_TAG_'):
- results[line] = True
- if line.startswith('!_TAG_FILE_SORTED\t2'):
- fold_case = True
+def main(arguments):
+ for tagsfile in arguments or [os.path.expanduser('~/.vimtags')]:
+ normalize(tagsfile)
+ print "Done!"
+
+def normalize(tagsfile):
+
+ # Setup.
+ tempname = '%s-new-%d' % (tagsfile, time.time())
+ results, cache = {}, {}
+ infile = open(tagsfile)
+ outfile = open(tempname, 'w')
+ nprocessed = 0
+ fold_case = False
+
+ # Read tags file.
+ for line in infile:
+ line = line.rstrip()
+ fields = line.split('\t')
+ if line.startswith('!_TAG_'):
+ results[line] = True
+ if line.startswith('!_TAG_FILE_SORTED\t2'):
+ fold_case = True
+ else:
+ pathname = fields[1]
+ if pathname not in cache:
+ if os.path.exists(pathname):
+ cache[pathname] = os.path.realpath(pathname)
+ else:
+ cache[pathname] = ''
+ if cache[pathname]:
+ fields[1] = cache[pathname]
+ results['\t'.join(fields)] = True
+ nprocessed += 1
+ infile.close()
+
+ # Sort tags.
+ lines = results.keys()
+ if fold_case:
+ lines.sort(key=str.lower)
else:
- pathname = fields[1]
- if pathname not in cache:
- if not os.path.exists(pathname): continue
- cache[pathname] = os.path.realpath(pathname)
- fields[1] = cache[pathname]
- results['\t'.join(fields)] = True
-
-infile.close()
-
-lines = results.keys()
-if fold_case:
- lines.sort(key=str.lower)
-else:
- lines.sort()
-
-outfile.write('\n'.join(lines))
-outfile.write('\n')
-outfile.close()
-
-backup = '%s-backup-%d' % (tagsfile, time.time())
-print "Making a backup of %s as %s" % (tagsfile, backup)
-os.rename(tagsfile, backup)
-
-print "Replacing old", tagsfile, "with new one"
-os.rename(tempname, tagsfile)
-
-nfiltered = nprocessed - len(lines)
-print "Filtered %d out of %d entries" % (nfiltered, nprocessed)
+ lines.sort()
+
+ # Write tags file.
+ outfile.write('\n'.join(lines))
+ outfile.write('\n')
+ outfile.close()
+
+ # Backup old tags file.
+ backup = '%s-backup-%d' % (tagsfile, time.time())
+ print "Making a backup of %s as %s" % (tagsfile, backup)
+ os.rename(tagsfile, backup)
+
+ # Replace tags file.
+ print "Replacing old", tagsfile, "with new one"
+ os.rename(tempname, tagsfile)
+
+ # Report results.
+ nfiltered = nprocessed - len(lines)
+ print "Filtered %d out of %d entries" % (nfiltered, nprocessed)
+
+if __name__ == '__main__':
+ main(sys.argv[1:])
# vim: ts=2 sw=2 et