def install_egg(self, egg_name):
        """ Install an egg into the egg directory """
        if not os.path.exists(self.egg_directory):
            os.makedirs(self.egg_directory)
        self.requirement_set.add_requirement(
            InstallRequirement.from_line(egg_name, None))
        try:
            self.requirement_set.prepare_files(self.finder)
            self.requirement_set.install(['--prefix=' + self.egg_directory], [])
        except DistributionNotFound:
            self.requirement_set.requirements._keys.remove(egg_name)
            raise PipException()
def install_egg ( self , egg_name ) : if not os . path . exists ( self . egg_directory ) : os . makedirs ( self . egg_directory ) self . requirement_set . add_requirement ( InstallRequirement . from_line ( egg_name , None ) ) try : self . requirement_set . prepare_files ( self . finder ) self . requirement_set . install ( [ '--prefix=' + self . egg_directory ] , [ ] ) except DistributionNotFound : self . requirement_set . requirements . _keys . remove ( egg_name ) raise PipException ( )
Install an egg into the egg directory