def get_cards(self, arguments, evaluator, evaluated):
first_func_name = arguments[0]
# is the top-level function call to a function such as factorint or
# simplify?
is_function = False
# is the top-level function being called?
is_applied = arguments.args or arguments.kwargs
first_func = evaluator.get(first_func_name)
is_function = (
first_func and
not isinstance(first_func, FunctionClass) and
not isinstance(first_func, sympy.Atom) and
first_func_name and first_func_name[0].islower() and
not first_func_name in OTHER_SYMPY_FUNCTIONS)
if is_applied:
convert_input, cards = find_result_set(arguments[0], evaluated)
else:
convert_input, cards = find_result_set(None, evaluated)
components = convert_input(arguments, evaluated)
if 'input_evaluated' in components:
evaluated = components['input_evaluated']
evaluator.set('input_evaluated', evaluated)
return components, cards, evaluated, (is_function and is_applied)
def get_cards(self, arguments, evaluator, evaluated):
first_func_name = arguments[0]
# is the top-level function call to a function such as factorint or
# simplify?
is_function = False
# is the top-level function being called?
is_applied = arguments.args or arguments.kwargs
first_func = evaluator.get(first_func_name)
is_function = (first_func and not isinstance(first_func, FunctionClass)
and not isinstance(first_func, sympy.Atom)
and first_func_name and first_func_name[0].islower()
and not first_func_name in OTHER_SYMPY_FUNCTIONS)
if is_applied:
convert_input, cards = find_result_set(arguments[0], evaluated)
else:
convert_input, cards = find_result_set(None, evaluated)
components = convert_input(arguments, evaluated)
if 'input_evaluated' in components:
evaluated = components['input_evaluated']
evaluator.set('input_evaluated', evaluated)
return components, cards, evaluated, (is_function and is_applied)
def try_sympy(self, s):
namespace = {}
exec PREEXEC in {}, namespace
a = Eval(namespace)
# change to True to spare the user from exceptions:
if not len(s):
return
try:
evaluated = sympify(s,
convert_xor=True,
locals={
'integrate': sympy.Integral,
'plot': lambda func: func
})
input_repr = repr(evaluated)
namespace['input_evaluated'] = evaluated
except sympy_parser.TokenError:
return [{
"title": "Input",
"input": s
}, {
"title": "Error",
"input": s,
"error": "Invalid input"
}]
except Exception as e:
return self.handle_error(s, e)
if input_repr is not None:
result = [
{
"title": "Input",
"input": s
},
{
"title": "SymPy",
"input": s,
"output": input_repr
},
]
if isinstance(evaluated, sympy.Basic):
variables = evaluated.atoms(Symbol)
if len(variables) == 1:
var = variables.pop()
else:
var = None
else:
var = None
convert_input, cards = find_result_set(evaluated)
namespace['input_evaluated'], var = convert_input(evaluated, var)
# Come up with a solution to use all variables if more than 1
# is entered.
if var != None: # See a better way to do this.
input_repr = repr(namespace['input_evaluated'])
line = "simplify(input_evaluated)"
simplified = a.eval(line, use_none_for_exceptions=True)
r = sympify(a.eval(line, use_none_for_exceptions=True))
if simplified != "None" and simplified != input_repr:
result.append({
"title": "Simplification",
"input": simplified,
"output": mathjax_latex(r)
})
for card in cards:
try:
r = card.eval(a, var)
if r != "None":
formatted_input = card.format_input(
input_repr, var)
result.append(
dict(title=card.title,
input=formatted_input,
pre_output=latex(
card.pre_output_function(
input_repr, var)),
output=card.format_output(
r, mathjax_latex)))
except SyntaxError:
pass
return result
else:
return None
def try_sympy(self, s):
namespace = {}
exec PREEXEC in {}, namespace
a = Eval(namespace)
# change to True to spare the user from exceptions:
if not len(s):
return
try:
evaluated = sympify(s, convert_xor=True, locals={
'integrate': sympy.Integral,
'plot': lambda func: func
})
input_repr = repr(evaluated)
namespace['input_evaluated'] = evaluated
except sympy_parser.TokenError:
return [
{"title": "Input", "input": s},
{"title": "Error", "input": s, "error": "Invalid input"}
]
except Exception as e:
return self.handle_error(s, e)
if input_repr is not None:
result = [
{"title": "Input", "input": s},
{"title": "SymPy", "input": s, "output": input_repr},
]
if isinstance(evaluated, sympy.Basic):
variables = evaluated.atoms(Symbol)
if len(variables) == 1:
var = variables.pop()
else:
var = None
else:
var = None
convert_input, cards = find_result_set(evaluated)
namespace['input_evaluated'], var = convert_input(evaluated, var)
# Come up with a solution to use all variables if more than 1
# is entered.
if var != None: # See a better way to do this.
input_repr = repr(namespace['input_evaluated'])
line = "simplify(input_evaluated)"
simplified = a.eval(line, use_none_for_exceptions=True)
r = sympify(a.eval(line, use_none_for_exceptions=True))
if simplified != "None" and simplified != input_repr:
result.append(
{"title": "Simplification", "input": simplified,
"output": mathjax_latex(r)})
for card in cards:
try:
r = card.eval(a, var)
if r != "None":
formatted_input = card.format_input(input_repr, var)
result.append(dict(
title=card.title,
input=formatted_input,
pre_output=latex(
card.pre_output_function(input_repr, var)),
output=card.format_output(r, mathjax_latex)
))
except SyntaxError:
pass
return result
else:
return None