def from_pipe(cls, config):
"""Create Reader and read tree from incomming pipe."""
temp = cls(config)
try:
temp.tree = GrepTree.load(sys.stdin)
except ValueError:
if temp.debug:
warn("Choked on input from pipe")
temp.tree = GrepTree()
return temp
def from_file(cls, config, path):
"""Create Reader and populate tree from file."""
temp = cls(config)
temp.tree = GrepTree.load_path(path)
return temp
