from browser import document as doc, window
import sys
import traceback


class cOutput:

    def write(self, data):
        doc["output-python"].value += str(data)

    def flush(self):
        pass


sys.stdout = cOutput()
sys.stderr = cOutput()


def run(code):
    doc["output-python"].value = ''
    try:
        ns = {'__name__': '__main__'}
        exec(code, ns)
    except Exception:
        traceback.print_exc(file=sys.stderr)


window.runCode = run