def web_gl_statistics_for_key()

in mozetl/graphics/graphics_telemetry_dashboard.py [0:0]

• 31 lines of code
• 4 McCabe index (conditional complexity)

def web_gl_statistics_for_key(key):
    histogram_pings = general_pings.filter(lambda p: p.get(key) is not None)
    histogram_pings = repartition(histogram_pings)

    # Note - we're counting sessions where WebGL succeeded or failed,
    # rather than the raw number of times either succeeded or failed.
    # Also note that we don't double-count systems where both is true.
    # Instead we only count a session's successes if it had no failures.
    failure_rdd = histogram_pings.filter(lambda p: p[key][0] > 0)
    success_rdd = histogram_pings.filter(lambda p: p[key][0] == 0 and p[key][1] > 0)

    failure_count = failure_rdd.count()
    failure_by_os = map_x_to_count(failure_rdd, "OS")
    failure_by_vendor = map_x_to_count(failure_rdd, "vendorID")
    failure_by_device = map_x_to_count(failure_rdd, "deviceID")
    failure_by_driver = map_x_to_count(failure_rdd, "driverVersion")

    success_count = success_rdd.count()
    success_by_os = map_x_to_count(success_rdd, "OS")

    def get_compositor_any_os(p):
        if p["OSName"] != "Windows":
            # This data is not reliable yet - see bug 1247148.
            return "unknown"
        return get_compositor(p)

    success_by_cc = success_rdd.map(lambda p: (get_compositor_any_os(p),)).countByKey()

    return {
        "successes": {
            "count": success_count,
            "os": success_by_os,
            "compositors": success_by_cc,
        },
        "failures": {
            "count": failure_count,
            "os": failure_by_os,
            "vendors": failure_by_vendor,
            "devices": failure_by_device,
            "drivers": failure_by_driver,
        },
    }