108 lines
2.8 KiB
Python
108 lines
2.8 KiB
Python
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import sys
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if sys.version_info >= (3, 0):
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exec ("print_ = print ; exec_=exec")
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import builtins
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# some backward compatibility helpers
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_basestring = str
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def _totext(obj, encoding):
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if isinstance(obj, bytes):
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obj = obj.decode(encoding)
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elif not isinstance(obj, str):
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obj = str(obj)
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return obj
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def _isbytes(x):
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return isinstance(x, bytes)
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def _istext(x):
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return isinstance(x, str)
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def _getimself(function):
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return getattr(function, '__self__', None)
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def _getfuncdict(function):
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return getattr(function, "__dict__", None)
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def execfile(fn, globs=None, locs=None):
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if globs is None:
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back = sys._getframe(1)
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globs = back.f_globals
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locs = back.f_locals
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del back
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elif locs is None:
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locs = globs
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fp = open(fn, "rb")
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try:
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source = fp.read()
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finally:
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fp.close()
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co = compile(source, fn, "exec", dont_inherit=True)
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exec_(co, globs, locs)
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def callable(obj):
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return hasattr(obj, "__call__")
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else:
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import __builtin__ as builtins
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_totext = unicode
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_basestring = basestring
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execfile = execfile
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callable = callable
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def _isbytes(x):
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return isinstance(x, str)
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def _istext(x):
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return isinstance(x, unicode)
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def _getimself(function):
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return getattr(function, 'im_self', None)
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def _getfuncdict(function):
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return getattr(function, "__dict__", None)
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def print_(*args, **kwargs):
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""" minimal backport of py3k print statement. """
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sep = ' '
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if 'sep' in kwargs:
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sep = kwargs.pop('sep')
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end = '\n'
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if 'end' in kwargs:
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end = kwargs.pop('end')
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file = 'file' in kwargs and kwargs.pop('file') or sys.stdout
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if kwargs:
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args = ", ".join([str(x) for x in kwargs])
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raise TypeError("invalid keyword arguments: %s" % args)
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at_start = True
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for x in args:
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if not at_start:
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file.write(sep)
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file.write(str(x))
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at_start = False
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file.write(end)
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def exec_(obj, globals=None, locals=None):
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""" minimal backport of py3k exec statement. """
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if globals is None:
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frame = sys._getframe(1)
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globals = frame.f_globals
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if locals is None:
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locals = frame.f_locals
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elif locals is None:
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locals = globals
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exec2(obj, globals, locals)
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if sys.version_info >= (3,0):
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exec ("""
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def _reraise(cls, val, tb):
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assert hasattr(val, '__traceback__')
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raise val
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""")
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else:
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exec ("""
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def _reraise(cls, val, tb):
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raise cls, val, tb
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def exec2(obj, globals, locals):
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exec obj in globals, locals
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""")
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