svgui/pyjs/lib/sys.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Tue, 25 Sep 2018 18:29:10 +0300
changeset 2341 210cddfa16cf
parent 1879 4d81c3bcac82
permissions -rw-r--r--
Avoid division by zero in case width or height for page are not specified

traceback:
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 3755, in OnPaint
self.DoDrawing(dc)
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 3723, in DoDrawing
for y in xrange(self.PageSize[1] - (ystart * SCROLLBAR_UNIT) % self.PageSize[1], int(window_size[1] / self.ViewScale[1]), self.PageSize[1]):
<type 'exceptions.ZeroDivisionError'>: integer division or modulo by zero
# the platform name (PyV8, smjs, Mozilla, IE6, Opera, Safari etc.)
platform = ''  # to be updated by app, on compile

# a dictionary of module override names (platform-specific)
overrides = {}  # to be updated by app, on compile

# the remote path for loading modules
loadpath = None

stacktrace = None

appname = None


def setloadpath(lp):
    global loadpath
    loadpath = lp


def setappname(an):
    global appname
    appname = an


def getloadpath():
    return loadpath


def addoverride(module_name, path):
    overrides[module_name] = path


def addstack(linedebug):
    JS("""
        if (pyjslib.bool((sys.stacktrace === null))) {
            sys.stacktrace = new pyjslib.List([]);
        }
        sys.stacktrace.append(linedebug);
    """)


def popstack():
    JS("""
        sys.stacktrace.pop()
    """)


def printstack():
    JS("""
        var res = '';

        var __l = sys.stacktrace.__iter__();
        try {
            while (true) {
                var l = __l.next();
                res +=  ( l + '\\n' ) ;
            }
        } catch (e) {
            if (e != pyjslib.StopIteration) {
                throw e;
            }
        }

        return res;
    """)