def setUp(self):
self.parser = Parser()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from mathics.core.parser.parser import Parser
from mathics.core.parser.convert import convert
from mathics.core.parser.feed import SingleLineFeeder
from mathics.core.expression import ensure_context
parser = Parser()
def parse(definitions, feeder):
'''
Parse input (from the frontend, -e, input files, ToExpression etc).
Look up symbols according to the Definitions instance supplied.
Feeder must implement the feed and empty methods, see core/parser/feed.py.
'''
ast = parser.parse(feeder)
if ast is not None:
return convert(ast, definitions)
else:
return None
class SystemDefinitions(object):
"""
Dummy Definitions object that puts every unqualified symbol in
System`.
"""
def lookup_name(self, name):
