Comment #3 on issue 2663 by [email protected]: sympify with embedded strings
does not work since v0.7.0
http://code.google.com/p/sympy/issues/detail?id=2663
It will work if you enter this without assigning the keyword to the string:
sympify(u'Limit(sin(x), x, 0, "-")') # note that 'dir=' is left out
Limit(sin(x), x, 0, dir='-')
It also doesn't work with the following:
S(3).n(n=3)
3.00
S('S(3).n(n=3)')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy\core\sympify.py", line 162, in sympify
raise SympifyError('could not parse %r' % a)
sympy.core.sympify.SympifyError: SympifyError: "could not parse
u'S(3).n(n=3)'"
S('S(3).n()')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "sympy\core\sympify.py", line 160, in sympify
expr = parse_expr(a, locals or {}, rational, convert_xor)
File "sympy\parsing\sympy_parser.py", line 151, in parse_expr
expr = eval(code, global_dict, local_dict) # take local objects in
preferenc
e
File "<string>", line 1, in <module>
AttributeError: 'Integer' object has no attribute 'Symbol'
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