editor.py

import sys
import time
import traceback
import javascript

from browser import document as doc, window, console

# set height of container to 66% of screen
_height = doc.documentElement.clientHeight

has_ace = True
try:
    editor = window.ace.edit("editor")
except:
    from browser import html
    editor = html.TEXTAREA(rows=20, cols=70)
    doc["editor"] <= editor
    def get_value(): return editor.value
    def set_value(x):editor.value = x
    editor.getValue = get_value
    editor.setValue = set_value
    has_ace = False

#if hasattr(window, 'localStorage'):
#    from browser.local_storage import storage
#else:
#    storage = None
storage = None

if 'set_debug' in doc:
    __BRYTHON__.debug = int(doc['set_debug'].checked)


def reset_src():
    editor.scrollToRow(0)
    editor.gotoLine(0)


def reset_src_area():
    if storage and "py_src" in storage:
        editor.value = storage["py_src"]
    else:
        editor.value = 'for i in range(10):\n\tprint(i)'


class cOutput:

    def write(self, data):
        # doc["console"].value += str(data)
        console.log(str(data))

    def flush(self):
        pass


if "console" in doc:
    sys.stdout = cOutput()
    sys.stderr = cOutput()


def to_str(xx):
    return str(xx)


info = sys.implementation.version
doc['version'].text = '%s.%s.%s' % (info.major, info.minor, info.micro)

output = ''


def show_console(ev):
    doc["console"].value = output
    doc["console"].cols = 60


# load a Python script
def load_script(evt):
    _name = evt.target.value + '?foo=%s' % time.time()
    editor.setValue(open(_name).read())


# run a script, in global namespace if in_globals is True
def run(*args):
    global output
    doc["console"].value = ''
    src = editor.getValue()
    if storage is not None:
       storage["py_src"] = src

    t0 = time.perf_counter()
    try:
        ns = {'__name__':'__main__'}
        exec(src, ns)
        state = 1
    except Exception as exc:
        traceback.print_exc(file=sys.stderr)
        state = 0
    output = doc["console"].value

    print('<completed in %6.2f ms>' % ((time.perf_counter() - t0) * 1000.0))
    return state


def show_js(ev):
    src = editor.getValue()
    doc["console"].value = javascript.py2js(src, '__main__')


if has_ace:
    reset_src()
else:
    reset_src_area()