Generating TAGS for the project I’m working on with the addition of an
installed library — Twisted for example — can be a pain:
$ python
>>> import twisted
>>> twisted.__file__
'/usr/lib/python2.6/dist-packages/twisted/__init__.pyc'
$ etags -R src /usr/lib/python2.6/dist-packages/twisted
I got bored of that.
Enter pyctags to take the pain away:
$ pyctags -e -R src py:twisted
It’s a pretty simple script:
#!/usr/bin/env python
from imp import find_module
from os import execvp
from os.path import dirname
from sys import argv, stderr
def expand(arg):
if arg.startswith("py:"):
module_name = arg[3:].replace(".", "/")
try:
return find_module(module_name)[1]
except ImportError:
stderr.write("Could not expand %r.\\n" % module_name)
return arg
else:
return arg
if __name__ == '__main__':
args = ["ctags"]
args.extend(expand(arg) for arg in argv[1:])
execvp("ctags", args)