Python _should_be_instrumented Examples

Example #1

File: urllib_.py Project: cpdean/librato-python-web

def _urllib_open_wrapper(func, *args, **keywords):
    """ Wraps urllib.request.url_open """

    if not _should_be_instrumented(
            state='external', enable_if='web', disable_if='model'):
        return func(*args, **keywords)

    url = get_parameter(1, 'fullurl', *args, **keywords)

    if hasattr(url, 'get_full_url'):
        url = url.get_full_url()

    scheme = url.split(':')[0] if ':' in url else 'unknown'

    Timing.push_timer()
    try:
        context.push_state('external')
        telemetry.count('external.{}.requests'.format(scheme))
        a = func(*args, **keywords)
        if a.getcode():
            # Not meaningful for ftp etc
            telemetry.count('external.{}.status.%ixx'.format(scheme) %
                            floor(a.getcode() / 100))
    except:
        telemetry.count('external.{}.errors'.format(scheme))
        raise
    finally:
        context.pop_state('external')
        elapsed, _ = Timing.pop_timer()
        telemetry.record('external.{}.response.latency'.format(scheme),
                         elapsed)

    # Return a wrapped object so we can time subsequent read, readline etc calls
    return _response_wrapper(scheme, a)

Example #2

File: urllib2_.py Project: momirza/librato-python-web

def _wrapped_call(metric, func, *args, **keywords):
    """ Times and executes arbitrary method """
    state = 'external'

    if not _should_be_instrumented(state, enable_if='web', disable_if='model'):
        return func(*args, **keywords)

    Timing.push_timer()
    try:
        context.push_state(state)
        return func(*args, **keywords)
    finally:
        context.pop_state(state)
        elapsed, _ = Timing.pop_timer()
        telemetry.record(metric, elapsed)

Example #3

File: urllib2_.py Project: momirza/librato-python-web

def _wrapped_call(metric, func, *args, **keywords):
    """ Times and executes arbitrary method """
    state = 'external'

    if not _should_be_instrumented(state, enable_if='web', disable_if='model'):
        return func(*args, **keywords)

    Timing.push_timer()
    try:
        context.push_state(state)
        return func(*args, **keywords)
    finally:
        context.pop_state(state)
        elapsed, _ = Timing.pop_timer()
        telemetry.record(metric, elapsed)

Example #4

File: requests_.py Project: librato/librato-python-web

def _session_send_wrapper(func, *args, **keywords):
    if not _should_be_instrumented(state="external", enable_if="web", disable_if="model"):
        return func(*args, **keywords)

    telemetry.count("external.http.requests")
    Timing.push_timer()
    try:
        context.push_state("external")
        a = func(*args, **keywords)
        telemetry.count("external.http.status.%ixx" % floor(a.status_code / 100))
        return a
    except:
        telemetry.count("external.http.errors")
        raise
    finally:
        context.pop_state("external")
        elapsed, _ = Timing.pop_timer()
        telemetry.record("external.http.response.latency", elapsed)

Example #5

def _session_send_wrapper(func, *args, **keywords):
    if not _should_be_instrumented(
            state='external', enable_if='web', disable_if='model'):
        return func(*args, **keywords)

    telemetry.count('external.http.requests')
    Timing.push_timer()
    try:
        context.push_state('external')
        a = func(*args, **keywords)
        telemetry.count('external.http.status.%ixx' %
                        floor(a.status_code / 100))
        return a
    except:
        telemetry.count('external.http.errors')
        raise
    finally:
        context.pop_state('external')
        elapsed, _ = Timing.pop_timer()
        telemetry.record('external.http.response.latency', elapsed)