<s> from sympy . printing . printer import Printer <EOL> from sympy . printing . precedence import precedence <EOL> class MathematicaPrinter ( Printer ) : <EOL> """<STR_LIT>""" <EOL> printmethod = "<STR_LIT>" <EOL> _default_settings = { } <EOL> _function_translation_table = { <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> '<STR_LIT>' : '<STR_LIT>' , <EOL> } <EOL> def parenthesize ( self , item , level ) : <EOL> printed = self . _print ( item ) <EOL> if precedence ( item ) <= level : <EOL> return "<STR_LIT>" % printed <EOL> else : <EOL> return printed <EOL> def emptyPrinter ( self , expr ) : <EOL> return str ( expr ) <EOL> def _print_Pow ( self , expr ) : <EOL> prec = precedence ( expr ) <EOL> if expr . exp == - <NUM_LIT:1> : <EOL> return '<STR_LIT>' % ( self . parenthesize ( expr . base , prec ) ) <EOL> else : <EOL> return '<STR_LIT>' % ( self . parenthesize ( expr . base , prec ) , <EOL> self . parenthesize ( expr . exp , prec ) ) <EOL> def _print_Matrix ( self , expr ) : <EOL> return '<STR_LIT:{>' + '<STR_LIT:U+002C>' . join ( [ '<STR_LIT:{>' + '<STR_LIT:U+002C>' . join ( [ self . _print ( expr [ j , i ] ) for i in range ( expr . shape [ <NUM_LIT:1> ] ) ] ) + '<STR_LIT:}>' for j in range ( expr . shape [ <NUM_LIT:0> ] ) ] ) + '<STR_LIT:}>' <EOL> def _print_ImmutableMatrix ( self , expr ) : <EOL> return self . _print_Matrix ( expr ) <EOL> def _print_ImmutableDenseMatrix ( self , expr ) : <EOL> return self . _print_Matrix ( expr ) <EOL> def _print_MutableMatrix ( self , expr ) : <EOL> return self . _print_Matrix ( expr ) <EOL> def _print_MutableDenseMatrix ( self , expr ) : <EOL> return self . _print_Matrix ( expr ) <EOL> def _print_Mul ( self , expr ) : <EOL> prec = precedence ( expr ) <EOL> return '<STR_LIT:*>' . join ( [ self . parenthesize ( arg , prec ) for arg in expr . args ] ) <EOL> def _print_Add ( self , expr ) : <EOL> prec = precedence ( expr ) <EOL> return '<STR_LIT:+>' . join ( [ self . parenthesize ( arg , prec ) for arg in expr . args ] ) <EOL> def _print_Pi ( self , expr ) : <EOL> return '<STR_LIT>' <EOL> def _print_Function ( self , expr ) : <EOL> name = expr . func . __name__ <EOL> args = "<STR_LIT:U+002CU+0020>" . join ( [ self . _print ( arg ) for arg in expr . args ] ) <EOL> if expr . func . nargs is not None : <EOL> try : <EOL> name = self . _function_translation_table [ name ] <EOL> except KeyError : <EOL> name = name . capitalize ( ) <EOL> return "<STR_LIT>" % ( name , args ) <EOL> def print_mathematica ( expr , tofile = None , ** settings ) : <EOL> """<STR_LIT>""" <EOL> p = MathematicaPrinter ( settings ) <EOL> s = p . doprint ( expr ) <EOL> if tofile : <EOL> with open ( tofile , '<STR_LIT:w>' ) as f : <EOL> f . write ( s + '<STR_LIT:\n>' ) <EOL> return s </s>
