Hi,
On Fri, Jan 31, 2014 at 06:25:59AM -0800, dwakar wrote:
> I have installed Racket in my home folder. The path to the drracket
> executable is added to the PATH environment variable, but the tab
> completions in the prompt widget doesn't work for drracket executable.
>
> However the CommandCompleter class and its complete seems to be working
> fine.
> Here's a little test I did.
>
> > import os
> > import glob
> > class CommandCompleter:
> > DEFAULTPATH = "/bin:/usr/bin:/usr/local/bin"
> >
> > def __init__(self, qtile, _testing=False):
> > """
> > _testing: disables reloading of the lookup table
> > to make testing possible.
> > """
> > self.lookup, self.offset = None, None
> > self.thisfinal = None
> > self._testing = _testing
> >
> > def actual(self):
> > """
> > Returns the current actual value.
> > """
> > return self.thisfinal
> >
> > def executable(self, fpath):
> > return os.access(fpath, os.X_OK)
> >
> > def reset(self):
> > self.lookup = None
> > self.offset = -1
> >
> > def complete(self, txt):
> > """
> > Returns the next completion for txt, or None if there is no
> > completion.
> > """
> > if not self.lookup:
> > if not self._testing:
> > # Lookup is a set of (display value, actual value) tuples.
> > self.lookup = []
> > if txt and txt[0] in "~/":
> > path = os.path.expanduser(txt)
> > if os.path.isdir(path):
> > files = glob.glob(os.path.join(path, "*"))
> > prefix = txt
> > else:
> > files = glob.glob(path + "*")
> > prefix = os.path.dirname(txt)
> > prefix = prefix.rstrip("/") or "/"
> > for f in files:
> > if self.executable(f):
> > display = os.path.join(prefix,
> > os.path.basename(f))
> > if os.path.isdir(f):
> > display += "/"
> > self.lookup.append((display, f))
> > else:
> > dirs = os.environ.get("PATH",
> > self.DEFAULTPATH).split(":")
> > for didx, d in enumerate(dirs):
> > try:
> > for cmd in glob.glob(os.path.join(d, "%s*" %
> > txt)):
> > if self.executable(cmd):
> > self.lookup.append(
> > (
> > os.path.basename(cmd),
> > cmd
> > ),
> > )
> > except OSError:
> > pass
> > self.lookup.sort()
> > self.offset = -1
> > self.lookup.append((txt, txt))
> > self.offset += 1
> > if self.offset >= len(self.lookup):
> > self.offset = 0
> > ret = self.lookup[self.offset]
> > self.thisfinal = ret[1]
> > return ret[0]
> >
> > if __name__ == "__main__":
> > cc = CommandCompleter("qtile")
> > print cc.complete("dr") # gives "drracket"
> > print cc.complete("dr") # and the 'lookup' list contains the tuple
> > with "drracket" and its path.
Your login shell evaluates ~/.bashrc, but your X shell probably won't,
unless you explicitly tell it to. How are you starting qtile? If it's
via a ~/.xsession file, you can just source your bashrc there (or just
modify the path as needed), and things should work fine.
\t
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