def _start(self):
"""
Start up the Mathics interpreter and sets the initial prompt and options.
This is called the first time the Mathics interface is actually used.
EXAMPLES::
sage: mathics._start() # optional - mathics
sage: type(mathics._session) # optional - mathics
<class 'mathics.session.MathicsSession'>
"""
if not self._session:
from mathics.session import MathicsSession
self._session = MathicsSession()
from sage.interfaces.sympy import sympy_init
sympy_init()
from sympy import Symbol
from sympy.core.relational import Relational
Symbol._sage_ = _mathics_sympysage_symbol
import time
from mathics.core.parser import parse, MathicsSingleLineFeeder
from mathics.core.definitions import Definitions
from mathics.core.evaluation import Evaluation
from mathics.session import MathicsSession
session = MathicsSession(add_builtin=True, catch_interrupt=False)
def check_evaluation(str_expr: str, str_expected: str, message=""):
"""Helper function to test that a WL expression against
its results"""
result = session.evaluate("ToString[" + str_expr + "]").value
print("result=", result)
expected = session.evaluate("ToString[" + str_expected + "]").value
print("expected=", expected)
print(time.asctime())
print(message)
if message:
assert result == expected, message
else:
assert result == expected
# print(" * Loading libraries")
# from helper import session, check_evaluation
# It would be nice to load this code from .helper, but
# for some reason I can make the relative load works...
# import time
# from mathics.core.parser import parse, MathicsSingleLineFeeder
# from mathics.core.definitions import Definitions
# from mathics.core.evaluation import Evaluation
# from mathics.core.expression import Expression, String
from mathics.session import MathicsSession
print(" * creating the session")
session = MathicsSession()
def test_asymptote_cmd():
from subprocess import DEVNULL, STDOUT, check_call
from pymathics.asy import asy_path
res = check_call([asy_path, '--version'], stdout=DEVNULL, stderr=DEVNULL)
assert res == 0
print("Try calling asy")
test_asymptote_cmd()
print(" now the other tests...")
def check_evaluation(str_expr: str, str_expected: str, message=""):
"AxesStyle": "{}",
"LabelStyle": "{}",
"AspectRatio": "Automatic",
"PlotRange": "Automatic",
"PlotRangePadding": "Automatic",
"ImageSize": "Automatic",
"Background": "Automatic",
"$OptionSyntax": "Ignore",
}
def apply(self, expr, evaluation, options):
"%(name)s[expr_, OptionsPattern[%(name)s]]"
ticks_style = options.get('System`TicksStyle').to_python()
axes_style = options.get('System`AxesStyle').to_python()
if not axes_style:
plt.axis("off")
plt.show()
return expr
if __name__ == "__main__":
from mathics.session import MathicsSession
session = MathicsSession(add_builtin=True, catch_interrupt=False)
session.evaluate("""
LoadModule["pymathics.matplotlib"];
MPlot[ToMatplotlib[AspectRatio -> 1 / GoldenRatio]];
MPlot[ToMatplotlib[Line[{{0.25,0.5},{0.25,0.25},{0.5,0.25},{0.5,0.5}}]]]
MPlot[ToMatplotlib[Rectangle[{0, 0.5}]], AxesStyle->False]
""")