relinker command for ranger

gistfile1.py

class relink(Command):
	"""
	:relink <newpath>

	Changes the linked path of the currently highlighted symlink to <newpath>
	"""

	def execute(self):
		from ranger.fsobject import File

		new_path = self.rest(1)
		cf = self.fm.env.cf

		if not new_path:
			return self.fm.notify('Syntax: relink <newpath>', bad=True)

		if not cf.is_link:
			return self.fm.notify('%s is not a symlink!' % cf.basename, bad=True)
			
		if new_path == os.readlink(cf.path):
			return
		
		try:
			os.remove(cf.path)
			os.symlink(new_path, cf.path)
		except OSError as err:
			self.fm.notify(err)

		self.fm.reset()
		self.fm.env.cwd.pointed_obj = cf
		self.fm.env.cf = cf

	def tab(self):
		if not self.rest(1):
			return self.line+os.readlink(self.fm.env.cf.path)
		else:
			return self._tab_directory_content()