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"""Eval python code with global namespace of a python source file."""
# Copyright (C) 2002-2016 John Goerzen & contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import imp
class LocalEval:
"""Here is a powerfull but very dangerous option, of course."""
def __init__(self, path=None):
self.namespace = {}
if path is not None:
# FIXME: limit opening files owned by current user with rights set
# to fixed mode 644.
foo = open(path, 'r')
module = imp.load_module(
'<none>',
foo,
path,
('', 'r', imp.PY_SOURCE))
for attr in dir(module):
self.namespace[attr] = getattr(module, attr)
def eval(self, text, namespace=None):
names = {}
names.update(self.namespace)
if namespace is not None:
names.update(namespace)
return eval(text, names)
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