def which(cls, progname):
"""Looks up a program in the ``PATH``. If the program is not found, raises
:class:`CommandNotFound <plumbum.commands.CommandNotFound>`
:param progname: The program's name. Note that if underscores (``_``) are present
in the name, and the exact name is not found, they will be replaced
by hyphens (``-``) and the name will be looked up again
:returns: A :class:`LocalPath <plumbum.local_machine.LocalPath>`
"""
alternatives = [progname]
if "_" in progname:
alternatives.append(progname.replace("_", "-"))
for pn in alternatives:
path = cls._which(pn)
if path:
return path
raise CommandNotFound(progname, list(cls.env.path))
def which(self, progname):
"""Looks up a program in the ``PATH``. If the program is not found, raises
:class:`CommandNotFound <plumbum.commands.CommandNotFound>`
:param progname: The program's name. Note that if underscores (``_``) are present
in the name, and the exact name is not found, they will be replaced
by hyphens (``-``) and the name will be looked up again
:returns: A :class:`RemotePath <plumbum.local_machine.RemotePath>`
"""
alternatives = [progname]
if "_" in progname:
alternatives.append(progname.replace("_", "-"))
for name in alternatives:
rc, out, _ = self._session.run("which %s" % (shquote(name), ),
retcode=None)
if rc == 0:
return self.path(out.strip())
raise CommandNotFound(progname, self.env.path)
def which(self, progname):
"""Looks up a program in the ``PATH``. If the program is not found, raises
:class:`CommandNotFound <plumbum.commands.CommandNotFound>`
:param progname: The program's name. Note that if underscores (``_``) are present
in the name, and the exact name is not found, they will be replaced
in turn by hyphens (``-``) then periods (``.``), and the name will
be looked up again for each alternative
:returns: A :class:`RemotePath <plumbum.path.local.RemotePath>`
"""
alternatives = [progname]
if "_" in progname:
alternatives.append(progname.replace("_", "-"))
alternatives.append(progname.replace("_", "."))
for name in alternatives:
for p in self.env.path:
fn = p / name
if fn.access("x"):
return fn
raise CommandNotFound(progname, self.env.path)
