Description

PyEcma is a Python JavaScript interperter.

Examples

Import PyEcma

>>> import pyecma

Basic Expressions

>>> js = r""" ... var a = 1 + 2; ... var b = 1 + 2 * 3; ... var c = (1 + 2) * 3; ... var d = (1 + 2) * (3 + 3); ... var e = (1 + 2 * 4) * ((2 + 1) * 2); ... """ >>> app = pyecma.parse(js) >>> print(app.a) 3.0 >>> print(app.b) 7.0 >>> print(app.c) 9.0 >>> print(app.d) 18.0 >>> print(app.e) 54.0

Function and Recursion

>>> js = r""" ... function factorial (fac){ ... if(fac > 1) ... return fac * factorial(fac-1); ... else ... return fac; ... } ... """ >>> app = pyecma.parse(js) >>> print(app.factorial(5)) 120.0

Bidirectional

>>> js = r""" ... a = 1; ... function increment(){ ... a++; ... } ... """ >>> app = pyecma.parse(js) >>> print(app.a) 1.0 >>> app.a = 2 >>> app.a 2 >>> app.increment() >>> print(app.a) 3.0