def test_collector(self):
start = time.time()
def a(end):
while time.time() < end: pass
c(time.time() + 0.1)
def b(end):
while time.time() < end: pass
c(time.time() + 0.1)
def c(end):
while time.time() < end: pass
collector = Collector(interval=0.01, mode='prof')
collector.start()
a(time.time() + 0.1)
b(time.time() + 0.2)
c(time.time() + 0.3)
end = time.time()
collector.stop()
elapsed = end - start
self.assertTrue(0.8 < elapsed < 0.9, elapsed)
counts = self.filter_stacks(collector)
expected = {
('a', 'test_collector'): 10,
('c', 'a', 'test_collector'): 10,
('b', 'test_collector'): 20,
('c', 'b', 'test_collector'): 10,
('c', 'test_collector'): 30,
}
self.check_counts(counts, expected)
# cost depends on stack depth; for this tiny test I see 40-80usec
time_per_sample = float(collector.sample_time) / collector.samples_taken
self.assertTrue(time_per_sample < 0.000100, time_per_sample)
def test_collect_threads(self):
start = time.time()
def a(end):
while time.time() < end: pass
def thread1_func():
a(time.time() + 0.2)
def thread2_func():
a(time.time() + 0.3)
collector = Collector(interval=0.01, mode='prof')
collector.start()
thread1 = threading.Thread(target=thread1_func)
thread2 = threading.Thread(target=thread2_func)
thread1.start()
thread2.start()
a(time.time() + 0.1)
while thread1.isAlive(): pass
while thread2.isAlive(): pass
thread1.join()
thread2.join()
end = time.time()
collector.stop()
elapsed = end - start
self.assertTrue(0.3 < elapsed < 0.4, elapsed)
counts = self.filter_stacks(collector)
expected = {
('a', 'test_collect_threads'): 10,
('a', 'thread1_func'): 20,
('a', 'thread2_func'): 30,
}
self.check_counts(counts, expected)
def test_collector(self):
start = time.time()
def a(end):
while time.time() < end: pass
c(time.time() + 0.1)
def b(end):
while time.time() < end: pass
c(time.time() + 0.1)
def c(end):
while time.time() < end: pass
collector = Collector(interval=0.01, mode='prof')
collector.start()
a(time.time() + 0.1)
b(time.time() + 0.2)
c(time.time() + 0.3)
end = time.time()
collector.stop()
elapsed = end - start
self.assertTrue(0.8 < elapsed < 0.9, elapsed)
counts = self.filter_stacks(collector)
expected = {
('a', 'test_collector'): 10,
('c', 'a', 'test_collector'): 10,
('b', 'test_collector'): 20,
('c', 'b', 'test_collector'): 10,
('c', 'test_collector'): 30,
}
self.check_counts(counts, expected)
# cost depends on stack depth; for this tiny test I see 40-80usec
time_per_sample = float(collector.sample_time) / collector.samples_taken
self.assertTrue(time_per_sample < 0.000100, time_per_sample)
def disabled_test_collect_threads(self):
start = time.time()
def a(end):
while time.time() < end: pass
def thread1_func():
a(time.time() + 0.2)
def thread2_func():
a(time.time() + 0.3)
collector = Collector(interval=0.01, mode='prof')
collector.start()
thread1 = threading.Thread(target=thread1_func)
thread2 = threading.Thread(target=thread2_func)
thread1.start()
thread2.start()
a(time.time() + 0.1)
while thread1.isAlive(): pass
while thread2.isAlive(): pass
thread1.join()
thread2.join()
end = time.time()
collector.stop()
elapsed = end - start
self.assertTrue(0.3 < elapsed < 0.4, elapsed)
counts = self.filter_stacks(collector)
expected = {
('a', 'test_collect_threads'): 10,
('a', 'thread1_func'): 20,
('a', 'thread2_func'): 30,
}
self.check_counts(counts, expected)
def wrapper(*args, **kwargs):
log = os.path.join(log_to,log_file)
plop = Collector()
plop.start()
result = function(*args, **kwargs)
plop.stop()
with open(log, 'a') as f:
f.write(repr(dict(plop.stack_counts)))
return result
class ProfileHandler(RequestHandler):
@asynchronous
def get(self):
self.collector = Collector()
self.collector.start()
IOLoop.instance().add_timeout(datetime.timedelta(seconds=60), self.finish_profile)
def finish_profile(self):
self.collector.stop()
formatter = PlopFormatter()
self.finish(formatter.format(self.collector))
class ProfileHandler(RequestHandler):
@asynchronous
def get(self):
self.collector = Collector()
self.collector.start()
IOLoop.instance().add_timeout(datetime.timedelta(seconds=60),
self.finish_profile)
def finish_profile(self):
self.collector.stop()
self.finish(repr(dict(self.collector.stack_counts)))
class ProfileHandler(RequestHandler):
@asynchronous
def get(self):
self.collector = Collector()
self.collector.start()
IOLoop.instance().add_timeout(datetime.timedelta(seconds=60),
self.finish_profile)
def finish_profile(self):
self.collector.stop()
formatter = PlopFormatter()
self.finish(formatter.format(self.collector))
class ProfileHandler(tornado.web.RequestHandler):
async def get(self):
self.collector = Collector()
self.collector.start()
return await self.finish_profile()
async def finish_profile(self):
time.sleep(1)
self.collector.stop()
formatter = PlopFormatter()
self.finish(formatter.format(self.collector))
def __call__(self, environ, start_response):
if not self.should_profile():
return self.application(environ, start_response)
collector = Collector()
collector.start()
start = time.time()
try:
return self.application(environ, start_response)
finally:
stop = time.time()
collector.stop()
try:
self.save_data(environ, start, stop, collector)
except Exception as e:
self.logger.exception(e)
def start_profile(callback):
ProfileHandler.waiters.append(callback)
if ProfileHandler.profile_running:
return
logging.info('starting profiler, will run for %ds' % ProfileHandler.DURATION)
ProfileHandler.profile_running = True
collector = Collector()
collector.start(ProfileHandler.DURATION)
yield gen.Task(IOLoop.current().add_timeout, datetime.timedelta(seconds=ProfileHandler.DURATION))
collector.stop()
data = repr(dict(collector.stack_counts))
for waiter in ProfileHandler.waiters:
waiter(data)
logging.info('finished profile collection')
ProfileHandler.profile_running = False
def __call__(self, environ, start_response):
if not self.should_profile():
return self.application(environ, start_response)
collector = Collector()
collector.start()
start = time.time()
try:
return self.application(environ, start_response)
finally:
stop = time.time()
collector.stop()
try:
self.save_data(environ, start, stop, collector)
except Exception, e:
self.logger.exception(e)
class HandlerSyncedWithMaster(tornado.web.RequestHandler):
def prepare(self):
starlight.data.reset_statistics()
self.did_trigger_update = starlight.update.check_version()
super().prepare()
if self.get_argument("profile", None) and os.environ.get("ALLOW_PROFILING"):
self.collector = Collector()
self.collector.start()
def finish(self, *args, **kw):
super().finish(*args, **kw)
if self.get_argument("profile", None) and os.environ.get("ALLOW_PROFILING"):
self.collector.stop()
formatter = PlopFormatter(max_stacks=9001)
if self.collector.samples_taken:
formatter.store(self.collector, "{0}_{1}.profile".format(self.__class__.__name__, time.time()))
class HandlerSyncedWithMaster(tornado.web.RequestHandler):
def prepare(self):
starlight.data.reset_statistics()
starlight.check_version()
super().prepare()
if self.get_argument("profile", None) and os.environ.get("ALLOW_PROFILING"):
self.collector = Collector()
self.collector.start()
def finish(self, *args, **kw):
super().finish(*args, **kw)
if self.get_argument("profile", None) and os.environ.get("ALLOW_PROFILING"):
self.collector.stop()
formatter = PlopFormatter(max_stacks=9001)
if self.collector.samples_taken:
formatter.store(self.collector, "{0}_{1}.profile".format(self.__class__.__name__, time.time()))
def start_profile(callback):
ProfileHandler.waiters.append(callback)
if ProfileHandler.profile_running:
return
logging.info('starting profiler, will run for %ds' %
ProfileHandler.DURATION)
ProfileHandler.profile_running = True
collector = Collector()
collector.start(ProfileHandler.DURATION)
yield gen.Task(IOLoop.current().add_timeout,
datetime.timedelta(seconds=ProfileHandler.DURATION))
collector.stop()
data = repr(dict(collector.stack_counts))
for waiter in ProfileHandler.waiters:
waiter(data)
logging.info('finished profile collection')
ProfileHandler.profile_running = False
class PlopProfileHandler(RequestHandler):
def __init__(self, application, request, **kwargs):
super(PlopProfileHandler, self).__init__(application, request, **kwargs)
self.interval = 60
self.output = '/tmp/plop.out'
self.collector = Collector()
@asynchronous
def get(self):
self.interval = int(self.get_argument('interval', self.interval))
self.output = self.get_argument('output', self.output)
self.collector.start()
tornado.ioloop.IOLoop.instance().add_timeout(datetime.timedelta(
seconds=self.interval), self.finish_profile)
def finish_profile(self):
log.debug('stop profile using interval={0} and output={1}'.format(
self.interval, self.output))
self.collector.stop()
with open(self.output, 'w') as f:
stats = repr(dict(self.collector.stack_counts))
f.write(stats)
self.finish(stats)
class PlopProfileHandler(RequestHandler):
def __init__(self, application, request, **kwargs):
super(PlopProfileHandler, self).__init__(application, request,
**kwargs)
self.interval = 60
self.output = '/tmp/plop.out'
self.collector = Collector()
@asynchronous
def get(self):
self.interval = int(self.get_argument('interval', self.interval))
self.output = self.get_argument('output', self.output)
self.collector.start()
tornado.ioloop.IOLoop.instance().add_timeout(
datetime.timedelta(seconds=self.interval), self.finish_profile)
def finish_profile(self):
log.debug('stop profile using interval={0} and output={1}'.format(
self.interval, self.output))
self.collector.stop()
with open(self.output, 'w') as f:
stats = repr(dict(self.collector.stack_counts))
f.write(stats)
self.finish(stats)
class GrouperHandler(RequestHandler):
def initialize(self):
self.session = self.application.my_settings.get("db_session")()
self.graph = Graph()
if self.get_argument("_profile", False):
self.perf_collector = Collector()
self.perf_trace_uuid = str(uuid4())
self.perf_collector.start()
else:
self.perf_collector = None
self.perf_trace_uuid = None
self._request_start_time = datetime.utcnow()
stats.incr("requests")
stats.incr("requests_{}".format(self.__class__.__name__))
def write_error(self, status_code, **kwargs):
"""Override for custom error page."""
if status_code >= 500 and status_code < 600:
template = self.application.my_settings[
"template_env"].get_template("errors/5xx.html")
self.write(template.render({"is_active": self.is_active}))
else:
template = self.application.my_settings[
"template_env"].get_template("errors/generic.html")
self.write(
template.render({
"status_code": status_code,
"message": self._reason,
"is_active": self.is_active,
"trace_uuid": self.perf_trace_uuid,
}))
self.finish()
def is_refresh(self):
# type: () -> bool
"""Indicates whether the refresh argument for this handler has been
set to yes. This is used to force a refresh of the cached graph so
that we don't show inconsistent state to the user.
Returns:
a boolean indicating whether this handler should refresh the graph
"""
return self.get_argument("refresh", "no").lower() == "yes"
# The refresh argument can be added to any page. If the handler for that
# route calls this function, it will sync its graph from the database if
# requested.
def handle_refresh(self):
if self.is_refresh():
self.graph.update_from_db(self.session)
def redirect(self, url, *args, **kwargs):
if self.is_refresh():
url = urlparse.urljoin(url, "?refresh=yes")
self.set_alerts(kwargs.pop("alerts", []))
return super(GrouperHandler, self).redirect(url, *args, **kwargs)
def get_current_user(self):
username = self.request.headers.get(settings.user_auth_header)
if not username:
return
# Users must be fully qualified
if not re.match("^{}$".format(USERNAME_VALIDATION), username):
raise InvalidUser()
try:
user, created = User.get_or_create(self.session, username=username)
if created:
logging.info("Created new user %s", username)
self.session.commit()
# Because the graph doesn't initialize until the updates table
# is populated, we need to refresh the graph here in case this
# is the first update.
self.graph.update_from_db(self.session)
except sqlalchemy.exc.OperationalError:
# Failed to connect to database or create user, try to reconfigure the db. This invokes
# the fetcher to try to see if our URL string has changed.
Session.configure(bind=get_db_engine(get_database_url(settings)))
raise DatabaseFailure()
return user
def prepare(self):
if not self.current_user or not self.current_user.enabled:
self.forbidden()
self.finish()
return
def on_finish(self):
if self.perf_collector:
self.perf_collector.stop()
perf_profile.record_trace(self.session, self.perf_collector,
self.perf_trace_uuid)
self.session.close()
# log request duration
duration = datetime.utcnow() - self._request_start_time
duration_ms = int(duration.total_seconds() * 1000)
stats.incr("duration_ms", duration_ms)
stats.incr("duration_ms_{}".format(self.__class__.__name__),
duration_ms)
# log response status code
response_status = self.get_status()
stats.incr("response_status_{}".format(response_status))
stats.incr("response_status_{}_{}".format(self.__class__.__name__,
response_status))
def update_qs(self, **kwargs):
qs = self.request.arguments.copy()
qs.update(kwargs)
return "?" + urllib.urlencode(qs, True)
def is_active(self, test_path):
path = self.request.path
if path == test_path:
return "active"
return ""
def get_template_namespace(self):
namespace = super(GrouperHandler, self).get_template_namespace()
namespace.update({
"update_qs": self.update_qs,
"is_active": self.is_active,
"perf_trace_uuid": self.perf_trace_uuid,
"xsrf_form": self.xsrf_form_html,
"alerts": self.get_alerts(),
})
return namespace
def render_template(self, template_name, **kwargs):
template = self.application.my_settings["template_env"].get_template(
template_name)
content = template.render(kwargs)
return content
def render(self, template_name, **kwargs):
defaults = self.get_template_namespace()
context = {}
context.update(defaults)
context.update(kwargs)
# Merge alerts
context["alerts"] = defaults.get("alerts", []) + kwargs.get(
"alerts", [])
self.write(self.render_template(template_name, **context))
def set_alerts(self, alerts):
# type: (List[Alert]) -> None
if len(alerts) > 0:
self.set_cookie("_alerts", _serialize_alerts(alerts))
else:
self.clear_cookie("_alerts")
def get_alerts(self):
# type: () -> List[Alert]
serialized_alerts = self.get_cookie("_alerts", default="[]")
alerts = _deserialize_alerts(serialized_alerts)
self.clear_cookie("_alerts")
return alerts
def get_form_alerts(self, errors):
alerts = []
for field, field_errors in errors.items():
for error in field_errors:
alerts.append(Alert("danger", error, field))
return alerts
def raise_and_log_exception(self, exc):
try:
raise exc
except Exception:
self.log_exception(*sys.exc_info())
def log_message(self, message, **kwargs):
if self.captureMessage:
self.captureMessage(message, **kwargs)
else:
logging.info("{}, kwargs={}".format(message, kwargs))
# TODO(gary): Add json error responses.
def badrequest(self, format_type=None):
self.set_status(400)
self.raise_and_log_exception(tornado.web.HTTPError(400))
self.render("errors/badrequest.html")
def forbidden(self, format_type=None):
self.set_status(403)
self.raise_and_log_exception(tornado.web.HTTPError(403))
self.render("errors/forbidden.html")
def notfound(self, format_type=None):
self.set_status(404)
self.raise_and_log_exception(tornado.web.HTTPError(404))
self.render("errors/notfound.html")
def get_sentry_user_info(self):
user = self.get_current_user()
return {
'username': user.username,
}
def main():
"""
Set up environment for processing
"""
parser = argparse.ArgumentParser(description='X12 Validation')
parser.add_argument('--config-file',
'-c',
action='store',
dest="configfile",
default=None)
parser.add_argument('--log-file',
'-l',
action='store',
dest="logfile",
default=None)
parser.add_argument('--map-path',
'-m',
action='store',
dest="map_path",
default=None,
type=check_map_path_arg)
parser.add_argument('--verbose', '-v', action='count')
parser.add_argument('--debug', '-d', action='store_true')
parser.add_argument('--quiet', '-q', action='store_true')
parser.add_argument('--html', '-H', action='store_true')
parser.add_argument('--exclude-external-codes',
'-x',
action='append',
dest="exclude_external",
default=[],
help='External Code Names to ignore')
parser.add_argument('--charset',
'-s',
choices=('b', 'e'),
help='Specify X12 character set: b=basic, e=extended')
#parser.add_argument('--background', '-b', action='store_true')
#parser.add_argument('--test', '-t', action='store_true')
parser.add_argument('--profile',
action='store_true',
help='Profile the code with plop')
parser.add_argument('input_files', nargs='*')
args = parser.parse_args()
logger = logging.getLogger('pyx12')
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
stdout_hdlr = logging.StreamHandler()
stdout_hdlr.setFormatter(formatter)
logger.addHandler(stdout_hdlr)
logger.setLevel(logging.INFO)
param = params.params(args.configfile)
if args.debug:
logger.setLevel(logging.DEBUG)
param.set('debug', True)
if args.verbose and args.verbose > 0:
logger.setLevel(logging.DEBUG)
if args.quiet:
logger.setLevel(logging.ERROR)
fd_997 = None
fd_html = None
flag_997 = True
param.set('exclude_external_codes', ','.join(args.exclude_external))
if args.map_path:
param.set('map_path', args.map_path)
if args.logfile:
try:
hdlr = logging.FileHandler(args.logfile)
hdlr.setFormatter(formatter)
logger.addHandler(hdlr)
except IOError:
logger.exception('Could not open log file: %s' % (args.logfile))
for src_filename in args.input_files:
try:
if not os.path.isfile(src_filename):
logger.error('Could not open file "%s"' % (src_filename))
continue
#fd_src = open(src_filename, 'U')
if flag_997:
fd_997 = tempfile.TemporaryFile()
if args.html:
if os.path.splitext(src_filename)[1] == '.txt':
target_html = os.path.splitext(src_filename)[0] + '.html'
else:
target_html = src_filename + '.html'
fd_html = open(target_html, 'w')
if args.profile:
from plop.collector import Collector
p = Collector()
p.start()
if x12n_document.x12n_document(param=param,
src_file=src_filename,
fd_997=fd_997,
fd_html=fd_html,
fd_xmldoc=None,
map_path=args.map_path):
sys.stderr.write('%s: OK\n' % (src_filename))
else:
sys.stderr.write('%s: Failure\n' % (src_filename))
#import profile
#prof_str = 'pyx12.x12n_document.x12n_document(param, src_filename, ' \
# + 'fd_997, fd_html, None, None)'
#print prof_str
#print param
#profile.run(prof_str, 'pyx12.prof')
p.stop()
try:
pfile = os.path.splitext(
os.path.basename(src_filename))[0] + '.plop.out'
pfull = os.path.join(
os.path.expanduser('~/.plop.profiles'), pfile)
print(pfull)
with open(pfull, 'w') as fdp:
fdp.write(repr(dict(p.stack_counts)))
except Exception:
logger.exception('Failed to write profile data')
sys.stderr.write('%s: bad profile save\n' % (src_filename))
else:
if x12n_document.x12n_document(param=param,
src_file=src_filename,
fd_997=fd_997,
fd_html=fd_html,
fd_xmldoc=None,
map_path=args.map_path):
sys.stderr.write('%s: OK\n' % (src_filename))
else:
sys.stderr.write('%s: Failure\n' % (src_filename))
if flag_997 and fd_997.tell() != 0:
fd_997.seek(0)
if os.path.splitext(src_filename)[1] == '.txt':
target_997 = os.path.splitext(src_filename)[0] + '.997'
else:
target_997 = src_filename + '.997'
codecs.open(target_997, mode='w',
encoding='ascii').write(fd_997.read())
if fd_997:
fd_997.close()
if fd_html:
fd_html.close()
except IOError:
logger.exception('Could not open files')
return False
except KeyboardInterrupt:
print("\n[interrupt]")
return True
def main():
"""
Set up environment for processing
"""
import argparse
parser = argparse.ArgumentParser(description='X12 Validation')
parser.add_argument('--config-file', '-c', action='store',
dest="configfile", default=None)
parser.add_argument(
'--log-file', '-l', action='store', dest="logfile", default=None)
#parser.add_argument(
# '--map-path', '-m', action='store', dest="map_path", default=None)
parser.add_argument('--verbose', '-v', action='count')
parser.add_argument('--debug', '-d', action='store_true')
parser.add_argument('--quiet', '-q', action='store_true')
parser.add_argument('--html', '-H', action='store_true')
parser.add_argument('--exclude-external-codes', '-x', action='append', dest="exclude_external",
default=[], help='External Code Names to ignore')
parser.add_argument('--charset', '-s', choices=(
'b', 'e'), help='Specify X12 character set: b=basic, e=extended')
#parser.add_argument('--background', '-b', action='store_true')
#parser.add_argument('--test', '-t', action='store_true')
parser.add_argument('--profile', action='store_true',
help='Profile the code with plop')
parser.add_argument('--version', action='version', version='{prog} {version}'.format(prog=parser.prog, version=__version__))
parser.add_argument('input_files', nargs='*')
args = parser.parse_args()
logger = logging.getLogger('pyx12')
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
stdout_hdlr = logging.StreamHandler()
stdout_hdlr.setFormatter(formatter)
logger.addHandler(stdout_hdlr)
logger.setLevel(logging.INFO)
param = pyx12.params.params(args.configfile)
if args.debug:
logger.setLevel(logging.DEBUG)
param.set('debug', True)
if args.verbose > 0:
logger.setLevel(logging.DEBUG)
if args.quiet:
logger.setLevel(logging.ERROR)
fd_997 = None
fd_html = None
flag_997 = True
param.set('exclude_external_codes', ','.join(args.exclude_external))
#if args.map_path:
# param.set('map_path', args.map_path)
if args.logfile:
try:
hdlr = logging.FileHandler(args.logfile)
hdlr.setFormatter(formatter)
logger.addHandler(hdlr)
except IOError:
logger.exception('Could not open log file: %s' % (args.logfile))
for src_filename in args.input_files:
try:
if not os.path.isfile(src_filename):
logger.error('Could not open file "%s"' % (src_filename))
continue
#fd_src = open(src_filename, 'U')
if flag_997:
fd_997 = tempfile.TemporaryFile()
if args.html:
if os.path.splitext(src_filename)[1] == '.txt':
target_html = os.path.splitext(src_filename)[0] + '.html'
else:
target_html = src_filename + '.html'
fd_html = open(target_html, 'w')
if args.profile:
from plop.collector import Collector
p = Collector()
p.start()
if pyx12.x12n_document.x12n_document(
param=param, src_file=src_filename,
fd_997=fd_997, fd_html=fd_html, fd_xmldoc=None):
sys.stderr.write('%s: OK\n' % (src_filename))
else:
sys.stderr.write('%s: Failure\n' % (src_filename))
#import profile
#prof_str = 'pyx12.x12n_document.x12n_document(param, src_filename, ' \
# + 'fd_997, fd_html, None, xslt_files)'
#print prof_str
#print param
#profile.run(prof_str, 'pyx12.prof')
p.stop()
try:
pfile = os.path.splitext(os.path.basename(
src_filename))[0] + '.plop.out'
pfull = os.path.join(os.path.expanduser(
'~/.plop.profiles'), pfile)
print(pfull)
with open(pfull, 'w') as fdp:
fdp.write(repr(dict(p.stack_counts)))
except Exception:
logger.exception('Failed to write profile data')
sys.stderr.write('%s: bad profile save\n' % (src_filename))
else:
if pyx12.x12n_document.x12n_document(
param=param, src_file=src_filename,
fd_997=fd_997, fd_html=fd_html, fd_xmldoc=None):
sys.stderr.write('%s: OK\n' % (src_filename))
else:
sys.stderr.write('%s: Failure\n' % (src_filename))
if flag_997 and fd_997.tell() != 0:
fd_997.seek(0)
if os.path.splitext(src_filename)[1] == '.txt':
target_997 = os.path.splitext(src_filename)[0] + '.997'
else:
target_997 = src_filename + '.997'
codecs.open(target_997, mode='w',
encoding='ascii').write(fd_997.read())
if fd_997:
fd_997.close()
if fd_html:
fd_html.close()
except IOError:
logger.exception('Could not open files')
return False
except KeyboardInterrupt:
print("\n[interrupt]")
return True
class GrouperHandler(SentryHandler):
def initialize(self, *args, **kwargs):
# type: (*Any, **Any) -> None
self.graph = Graph()
self.session = self.settings["session"]() # type: Session
self.template_engine = self.settings["template_engine"] # type: FrontendTemplateEngine
self.plugins = get_plugin_proxy()
session_factory = SingletonSessionFactory(self.session)
self.usecase_factory = create_graph_usecase_factory(
settings(), self.plugins, session_factory
)
if self.get_argument("_profile", False):
self.perf_collector = Collector()
self.perf_trace_uuid = str(uuid4()) # type: Optional[str]
self.perf_collector.start()
else:
self.perf_collector = None
self.perf_trace_uuid = None
self._request_start_time = datetime.utcnow()
stats.log_rate("requests", 1)
stats.log_rate("requests_{}".format(self.__class__.__name__), 1)
def set_default_headers(self):
# type: () -> None
self.set_header("Content-Security-Policy", self.settings["template_engine"].csp_header())
self.set_header("Referrer-Policy", "same-origin")
def write_error(self, status_code, **kwargs):
# type: (int, **Any) -> None
"""Override for custom error page."""
message = kwargs.get("message", "Unknown error")
if status_code >= 500 and status_code < 600:
template = self.template_engine.get_template("errors/5xx.html")
self.write(
template.render({"is_active": self.is_active, "static_url": self.static_url})
)
else:
template = self.template_engine.get_template("errors/generic.html")
self.write(
template.render(
{
"status_code": status_code,
"message": message,
"is_active": self.is_active,
"trace_uuid": self.perf_trace_uuid,
"static_url": self.static_url,
}
)
)
self.finish()
def is_refresh(self):
# type: () -> bool
"""Indicates whether the refresh argument for this handler has been
set to yes. This is used to force a refresh of the cached graph so
that we don't show inconsistent state to the user.
Returns:
a boolean indicating whether this handler should refresh the graph
"""
return self.get_argument("refresh", "no").lower() == "yes"
# The refresh argument can be added to any page. If the handler for that
# route calls this function, it will sync its graph from the database if
# requested.
def handle_refresh(self):
# type: () -> None
if self.is_refresh():
self.graph.update_from_db(self.session)
def redirect(self, url, *args, **kwargs):
# type: (str, *Any, **Any) -> None
if self.is_refresh():
url = urljoin(url, "?refresh=yes")
alerts = kwargs.pop("alerts", []) # type: List[Alert]
self.set_alerts(alerts)
super(GrouperHandler, self).redirect(url, *args, **kwargs)
def get_or_create_user(self, username):
# type: (str) -> Optional[User]
"""Retrieve or create the User object for the authenticated user.
This is done in a separate method called by prepare instead of in the magic Tornado
get_current_user method because exceptions thrown by the latter are caught by Tornado and
not propagated to the caller, and we want to use exceptions to handle invalid users and
then return an error page in prepare.
"""
if not username:
return None
# Users must be fully qualified
if not re.match("^{}$".format(USERNAME_VALIDATION), username):
raise InvalidUser("{} does not match {}".format(username, USERNAME_VALIDATION))
# User must exist in the database and be active
try:
user, created = User.get_or_create(self.session, username=username)
if created:
logging.info("Created new user %s", username)
self.session.commit()
# Because the graph doesn't initialize until the updates table
# is populated, we need to refresh the graph here in case this
# is the first update.
self.graph.update_from_db(self.session)
except sqlalchemy.exc.OperationalError:
# Failed to connect to database or create user, try to reconfigure the db. This invokes
# the fetcher to try to see if our URL string has changed.
Session.configure(bind=get_db_engine(settings().database))
raise DatabaseFailure()
# service accounts are, by definition, not interactive users
if user.is_service_account:
raise InvalidUser("{} is a service account".format(username))
return user
def prepare(self):
# type: () -> None
username = self.request.headers.get(settings().user_auth_header)
try:
user = self.get_or_create_user(username)
except InvalidUser as e:
self.baduser(str(e))
self.finish()
return
if user and user.enabled:
self.current_user = user
else:
self.baduser("{} is not an active account".format(username))
self.finish()
def on_finish(self):
# type: () -> None
if self.perf_collector:
self.perf_collector.stop()
record_trace(self.session, self.perf_collector, self.perf_trace_uuid)
self.session.close()
# log request duration
duration = datetime.utcnow() - self._request_start_time
duration_ms = int(duration.total_seconds() * 1000)
stats.log_rate("duration_ms", duration_ms)
stats.log_rate("duration_ms_{}".format(self.__class__.__name__), duration_ms)
# log response status code
response_status = self.get_status()
stats.log_rate("response_status_{}".format(response_status), 1)
stats.log_rate("response_status_{}_{}".format(self.__class__.__name__, response_status), 1)
def update_qs(self, **kwargs):
# type: (**Any) -> str
qs = self.request.arguments.copy()
qs.update(kwargs)
return "?" + urlencode(sorted(qs.items()), True)
def is_active(self, test_path):
# type: (str) -> str
path = self.request.path
if path == test_path:
return "active"
return ""
def get_template_namespace(self):
# type: () -> Dict[str, Any]
namespace = super(GrouperHandler, self).get_template_namespace()
namespace.update(
{
"update_qs": self.update_qs,
"is_active": self.is_active,
"perf_trace_uuid": self.perf_trace_uuid,
"xsrf_form": self.xsrf_form_html,
"alerts": self.get_alerts(),
"static_url": self.static_url,
}
)
return namespace
def render_template(self, template_name, **kwargs):
# type: (str, **Any) -> Text
template = self.template_engine.get_template(template_name)
content = template.render(kwargs)
return content
def render(self, template_name, **kwargs):
# type: (str, **Any) -> None
defaults = self.get_template_namespace()
context = {}
context.update(defaults)
context.update(kwargs)
# Merge alerts
context["alerts"] = []
context["alerts"].extend(defaults.get("alerts", []))
context["alerts"].extend(kwargs.get("alerts", []))
self.write(self.render_template(template_name, **context))
def set_alerts(self, alerts):
# type: (List[Alert]) -> None
if len(alerts) > 0:
self.set_cookie("_alerts", _serialize_alerts(alerts))
else:
self.clear_cookie("_alerts")
def get_alerts(self):
# type: () -> List[Alert]
serialized_alerts = self.get_cookie("_alerts", default="[]")
alerts = _deserialize_alerts(serialized_alerts)
self.clear_cookie("_alerts")
return alerts
def get_form_alerts(self, errors):
# type: (Dict[str, List[str]]) -> List[Alert]
alerts = []
for field, field_errors in iteritems(errors):
for error in field_errors:
alerts.append(Alert("danger", error, field))
return alerts
def raise_and_log_exception(self, exc):
# type: (Exception) -> None
try:
raise exc
except Exception:
self.log_exception(*sys.exc_info())
def log_message(self, message, **kwargs):
# type: (str, **Any) -> None
if getattr(self, "captureMessage", None):
self.captureMessage(message, **kwargs)
else:
logging.info("{}, kwargs={}".format(message, kwargs))
def badrequest(self):
# type: () -> None
self.set_status(400)
self.raise_and_log_exception(tornado.web.HTTPError(400))
self.render("errors/badrequest.html")
def baduser(self, message):
# type: (str) -> None
self.set_status(403)
self.raise_and_log_exception(tornado.web.HTTPError(403))
how_to_get_help = settings().how_to_get_help
self.render("errors/baduser.html", message=message, how_to_get_help=how_to_get_help)
def forbidden(self):
# type: () -> None
self.set_status(403)
self.raise_and_log_exception(tornado.web.HTTPError(403))
self.render("errors/forbidden.html", how_to_get_help=settings().how_to_get_help)
def notfound(self):
# type: () -> None
self.set_status(404)
self.raise_and_log_exception(tornado.web.HTTPError(404))
self.render("errors/notfound.html")
def get_sentry_user_info(self):
# type: () -> Dict[str, Optional[str]]
if self.current_user:
return {"username": self.current_user.username}
else:
return {"username": None}
class GrouperHandler(RequestHandler):
def initialize(self):
self.session = self.application.my_settings.get("db_session")()
self.graph = Graph()
if self.get_argument("_profile", False):
self.perf_collector = Collector()
self.perf_trace_uuid = str(uuid4())
self.perf_collector.start()
else:
self.perf_collector = None
self.perf_trace_uuid = None
self._request_start_time = datetime.utcnow()
stats.incr("requests")
stats.incr("requests_{}".format(self.__class__.__name__))
def write_error(self, status_code, **kwargs):
"""Override for custom error page."""
if status_code >= 500 and status_code < 600:
template = self.application.my_settings["template_env"].get_template("errors/5xx.html")
self.write(template.render({"is_active": self.is_active}))
else:
template = self.application.my_settings["template_env"].get_template("errors/generic.html")
self.write(
template.render(
{
"status_code": status_code,
"message": self._reason,
"is_active": self.is_active,
"trace_uuid": self.perf_trace_uuid,
}
)
)
self.finish()
def is_refresh(self):
# type: () -> bool
"""Indicates whether the refresh argument for this handler has been
set to yes. This is used to force a refresh of the cached graph so
that we don't show inconsistent state to the user.
Returns:
a boolean indicating whether this handler should refresh the graph
"""
return self.get_argument("refresh", "no").lower() == "yes"
# The refresh argument can be added to any page. If the handler for that
# route calls this function, it will sync its graph from the database if
# requested.
def handle_refresh(self):
if self.is_refresh():
self.graph.update_from_db(self.session)
def redirect(self, url, *args, **kwargs):
if self.is_refresh():
url = urlparse.urljoin(url, "?refresh=yes")
return super(GrouperHandler, self).redirect(url, *args, **kwargs)
def get_current_user(self):
username = self.request.headers.get(settings.user_auth_header)
if not username:
return
# Users must be fully qualified
if not re.match("^{}$".format(USERNAME_VALIDATION), username):
raise InvalidUser()
try:
user, created = User.get_or_create(self.session, username=username)
if created:
logging.info("Created new user %s", username)
self.session.commit()
# Because the graph doesn't initialize until the updates table
# is populated, we need to refresh the graph here in case this
# is the first update.
self.graph.update_from_db(self.session)
except sqlalchemy.exc.OperationalError:
# Failed to connect to database or create user, try to reconfigure the db. This invokes
# the fetcher to try to see if our URL string has changed.
Session.configure(bind=get_db_engine(get_database_url(settings)))
raise DatabaseFailure()
return user
def prepare(self):
if not self.current_user or not self.current_user.enabled:
self.forbidden()
self.finish()
return
def on_finish(self):
if self.perf_collector:
self.perf_collector.stop()
perf_profile.record_trace(self.session, self.perf_collector, self.perf_trace_uuid)
self.session.close()
# log request duration
duration = datetime.utcnow() - self._request_start_time
duration_ms = int(duration.total_seconds() * 1000)
stats.incr("duration_ms", duration_ms)
stats.incr("duration_ms_{}".format(self.__class__.__name__), duration_ms)
# log response status code
response_status = self.get_status()
stats.incr("response_status_{}".format(response_status))
stats.incr("response_status_{}_{}".format(self.__class__.__name__, response_status))
def update_qs(self, **kwargs):
qs = self.request.arguments.copy()
qs.update(kwargs)
return "?" + urllib.urlencode(qs, True)
def is_active(self, test_path):
path = self.request.path
if path == test_path:
return "active"
return ""
def get_template_namespace(self):
namespace = super(GrouperHandler, self).get_template_namespace()
namespace.update(
{
"update_qs": self.update_qs,
"is_active": self.is_active,
"perf_trace_uuid": self.perf_trace_uuid,
"xsrf_form": self.xsrf_form_html,
"alerts": [],
}
)
return namespace
def render_template(self, template_name, **kwargs):
template = self.application.my_settings["template_env"].get_template(template_name)
content = template.render(kwargs)
return content
def render(self, template_name, **kwargs):
context = {}
context.update(self.get_template_namespace())
context.update(kwargs)
self.write(self.render_template(template_name, **context))
def get_form_alerts(self, errors):
alerts = []
for field, field_errors in errors.items():
for error in field_errors:
alerts.append(Alert("danger", error, field))
return alerts
def raise_and_log_exception(self, exc):
try:
raise exc
except Exception:
self.log_exception(*sys.exc_info())
def log_message(self, message, **kwargs):
if self.captureMessage:
self.captureMessage(message, **kwargs)
else:
logging.info("{}, kwargs={}".format(message, kwargs))
# TODO(gary): Add json error responses.
def badrequest(self, format_type=None):
self.set_status(400)
self.raise_and_log_exception(tornado.web.HTTPError(400))
self.render("errors/badrequest.html")
def forbidden(self, format_type=None):
self.set_status(403)
self.raise_and_log_exception(tornado.web.HTTPError(403))
self.render("errors/forbidden.html")
def notfound(self, format_type=None):
self.set_status(404)
self.raise_and_log_exception(tornado.web.HTTPError(404))
self.render("errors/notfound.html")
def get_sentry_user_info(self):
user = self.get_current_user()
return {"username": user.name}
def main():
"""
Set up environment for processing
"""
parser = argparse.ArgumentParser(description="X12 Validation")
parser.add_argument("--config-file", "-c", action="store", dest="configfile", default=None)
parser.add_argument("--log-file", "-l", action="store", dest="logfile", default=None)
parser.add_argument("--map-path", "-m", action="store", dest="map_path", default=None, type=check_map_path_arg)
parser.add_argument("--verbose", "-v", action="count")
parser.add_argument("--debug", "-d", action="store_true")
parser.add_argument("--quiet", "-q", action="store_true")
parser.add_argument("--html", "-H", action="store_true")
parser.add_argument(
"--exclude-external-codes",
"-x",
action="append",
dest="exclude_external",
default=[],
help="External Code Names to ignore",
)
parser.add_argument("--charset", "-s", choices=("b", "e"), help="Specify X12 character set: b=basic, e=extended")
# parser.add_argument('--background', '-b', action='store_true')
# parser.add_argument('--test', '-t', action='store_true')
parser.add_argument("--profile", action="store_true", help="Profile the code with plop")
parser.add_argument(
"--version", action="version", version="{prog} {version}".format(prog=parser.prog, version=__version__)
)
parser.add_argument("input_files", nargs="*")
args = parser.parse_args()
logger = logging.getLogger("pyx12")
formatter = logging.Formatter("%(asctime)s %(levelname)s %(message)s")
stdout_hdlr = logging.StreamHandler()
stdout_hdlr.setFormatter(formatter)
logger.addHandler(stdout_hdlr)
logger.setLevel(logging.INFO)
param = pyx12.params.params(args.configfile)
if args.debug:
logger.setLevel(logging.DEBUG)
param.set("debug", True)
if args.verbose > 0:
logger.setLevel(logging.DEBUG)
if args.quiet:
logger.setLevel(logging.ERROR)
fd_997 = None
fd_html = None
flag_997 = True
param.set("exclude_external_codes", ",".join(args.exclude_external))
if args.map_path:
param.set("map_path", args.map_path)
if args.logfile:
try:
hdlr = logging.FileHandler(args.logfile)
hdlr.setFormatter(formatter)
logger.addHandler(hdlr)
except IOError:
logger.exception("Could not open log file: %s" % (args.logfile))
for src_filename in args.input_files:
try:
if not os.path.isfile(src_filename):
logger.error('Could not open file "%s"' % (src_filename))
continue
if flag_997:
fd_997 = tempfile.TemporaryFile()
if args.html:
if os.path.splitext(src_filename)[1] == ".txt":
target_html = os.path.splitext(src_filename)[0] + ".html"
else:
target_html = src_filename + ".html"
fd_html = open(target_html, "w")
if args.profile:
from plop.collector import Collector
p = Collector()
p.start()
if pyx12.x12n_document.x12n_document(
param=param,
src_file=src_filename,
fd_997=fd_997,
fd_html=fd_html,
fd_xmldoc=None,
map_path=args.map_path,
):
sys.stderr.write("%s: OK\n" % (src_filename))
else:
sys.stderr.write("%s: Failure\n" % (src_filename))
# import profile
# prof_str = 'pyx12.x12n_document.x12n_document(param, src_filename, ' \
# + 'fd_997, fd_html, None, None)'
# print prof_str
# print param
# profile.run(prof_str, 'pyx12.prof')
p.stop()
try:
pfile = os.path.splitext(os.path.basename(src_filename))[0] + ".plop.out"
pfull = os.path.join(os.path.expanduser("~/.plop.profiles"), pfile)
print(pfull)
with open(pfull, "w") as fdp:
fdp.write(repr(dict(p.stack_counts)))
except Exception:
logger.exception("Failed to write profile data")
sys.stderr.write("%s: bad profile save\n" % (src_filename))
else:
if pyx12.x12n_document.x12n_document(
param=param,
src_file=src_filename,
fd_997=fd_997,
fd_html=fd_html,
fd_xmldoc=None,
map_path=args.map_path,
):
sys.stderr.write("%s: OK\n" % (src_filename))
else:
sys.stderr.write("%s: Failure\n" % (src_filename))
if flag_997 and fd_997.tell() != 0:
fd_997.seek(0)
if os.path.splitext(src_filename)[1] == ".txt":
target_997 = os.path.splitext(src_filename)[0] + ".997"
else:
target_997 = src_filename + ".997"
codecs.open(target_997, mode="w", encoding="ascii").write(fd_997.read())
if fd_997:
fd_997.close()
if fd_html:
fd_html.close()
except IOError:
logger.exception("Could not open files")
return False
except KeyboardInterrupt:
print("\n[interrupt]")
return True
class GrouperHandler(RequestHandler):
def initialize(self, *args: Any, **kwargs: Any) -> None:
self.graph = Graph()
self.session = self.settings["session"]() # type: Session
self.template_engine = self.settings[
"template_engine"] # type: FrontendTemplateEngine
self.plugins = get_plugin_proxy()
session_factory = SingletonSessionFactory(self.session)
self.usecase_factory = create_graph_usecase_factory(
settings(), self.plugins, session_factory)
if self.get_argument("_profile", False):
self.perf_collector = Collector()
self.perf_trace_uuid = str(uuid4()) # type: Optional[str]
self.perf_collector.start()
else:
self.perf_collector = None
self.perf_trace_uuid = None
self._request_start_time = datetime.utcnow()
def set_default_headers(self) -> None:
self.set_header("Content-Security-Policy",
self.settings["template_engine"].csp_header())
self.set_header("Referrer-Policy", "same-origin")
def log_exception(
self,
exc_type: Optional[Type[BaseException]],
exc_value: Optional[BaseException],
exc_tb: Optional[TracebackType],
) -> None:
if isinstance(exc_value, HTTPError):
status_code = exc_value.status_code
else:
status_code = 500
self.plugins.log_exception(self.request, status_code, exc_type,
exc_value, exc_tb)
super().log_exception(exc_type, exc_value, exc_tb)
def write_error(self, status_code: int, **kwargs: Any) -> None:
"""Override for custom error page."""
message = kwargs.get("message", "Unknown error")
if status_code >= 500 and status_code < 600:
template = self.template_engine.get_template("errors/5xx.html")
self.write(
template.render({
"is_active": self.is_active,
"static_url": self.static_url
}))
else:
template = self.template_engine.get_template("errors/generic.html")
self.write(
template.render({
"status_code": status_code,
"message": message,
"is_active": self.is_active,
"trace_uuid": self.perf_trace_uuid,
"static_url": self.static_url,
}))
self.finish()
def is_refresh(self) -> bool:
"""Indicates whether the refresh argument for this handler has been
set to yes. This is used to force a refresh of the cached graph so
that we don't show inconsistent state to the user.
Returns:
a boolean indicating whether this handler should refresh the graph
"""
return self.get_argument("refresh", "no").lower() == "yes"
# The refresh argument can be added to any page. If the handler for that
# route calls this function, it will sync its graph from the database if
# requested.
def handle_refresh(self) -> None:
if self.is_refresh():
self.graph.update_from_db(self.session)
def redirect(self, url: str, *args: Any, **kwargs: Any) -> None:
if self.is_refresh():
url = urljoin(url, "?refresh=yes")
alerts = kwargs.pop("alerts", []) # type: List[Alert]
self.set_alerts(alerts)
super().redirect(url, *args, **kwargs)
def get_or_create_user(self, username: str) -> Optional[User]:
"""Retrieve or create the User object for the authenticated user.
This is done in a separate method called by prepare instead of in the magic Tornado
get_current_user method because exceptions thrown by the latter are caught by Tornado and
not propagated to the caller, and we want to use exceptions to handle invalid users and
then return an error page in prepare.
"""
if not username:
return None
# Users must be fully qualified
if not re.match("^{}$".format(USERNAME_VALIDATION), username):
raise InvalidUser("{} does not match {}".format(
username, USERNAME_VALIDATION))
# User must exist in the database and be active
user, created = User.get_or_create(self.session, username=username)
if created:
logging.info("Created new user %s", username)
self.session.commit()
# Because the graph doesn't initialize until the updates table is populated, we need to
# refresh the graph here in case this is the first update.
self.graph.update_from_db(self.session)
# service accounts are, by definition, not interactive users
if user.is_service_account:
raise InvalidUser("{} is a service account".format(username))
return user
def get_path_argument(self, name: str) -> str:
"""Get a URL path argument.
Parallel to get_request_argument() and get_body_argument(), this uses path_kwargs to find
an argument to the handler, undo any URL quoting, and return it. Use this uniformly
instead of kwargs for all handler get() and post() methods to handle escaping properly.
"""
value: str = self.path_kwargs[name]
return unquote(value)
def prepare(self) -> None:
username = self.request.headers.get(settings().user_auth_header)
try:
user = self.get_or_create_user(username)
except InvalidUser as e:
self.baduser(str(e))
self.finish()
return
if user and user.enabled:
self.current_user = user
else:
self.baduser("{} is not an active account".format(username))
self.finish()
def on_finish(self) -> None:
if self.perf_collector:
self.perf_collector.stop()
record_trace(self.session, self.perf_collector,
self.perf_trace_uuid)
self.session.close()
handler = self.__class__.__name__
duration_ms = int(
(datetime.utcnow() - self._request_start_time).total_seconds() *
1000)
response_status = self.get_status()
self.plugins.log_request(handler, response_status, duration_ms)
def update_qs(self, **kwargs: Any) -> str:
qs = self.request.arguments.copy()
qs.update(kwargs)
return "?" + urlencode(sorted(qs.items()), True)
def is_active(self, test_path: str) -> str:
path = self.request.path
if path == test_path:
return "active"
return ""
def get_template_namespace(self) -> Dict[str, Any]:
namespace = super().get_template_namespace()
namespace.update({
"alerts": self.get_alerts(),
"is_active": self.is_active,
"static_url": self.static_url,
"perf_trace_uuid": self.perf_trace_uuid,
"update_qs": self.update_qs,
"xsrf_form": self.xsrf_form_html,
})
return namespace
def render_template(self, template_name: str, **kwargs: Any) -> str:
template = self.template_engine.get_template(template_name)
content = template.render(kwargs)
return content
def render(self, template_name: str, **kwargs: Any) -> None:
defaults = self.get_template_namespace()
context = {}
context.update(defaults)
context.update(kwargs)
# Merge alerts
context["alerts"] = []
context["alerts"].extend(defaults.get("alerts", []))
context["alerts"].extend(kwargs.get("alerts", []))
self.write(self.render_template(template_name, **context))
def render_template_class(
self,
template: BaseTemplate,
alerts: Optional[List[Alert]] = None) -> Future[None]:
return self.finish(template.render(self, alerts))
def set_alerts(self, alerts: Sequence[Alert]) -> None:
if len(alerts) > 0:
self.set_cookie("_alerts", _serialize_alerts(alerts))
else:
self.clear_cookie("_alerts")
def get_alerts(self) -> List[Alert]:
serialized_alerts = self.get_cookie("_alerts", default="[]")
alerts = _deserialize_alerts(serialized_alerts)
self.clear_cookie("_alerts")
return alerts
def get_form_alerts(self, errors: Dict[str, List[str]]) -> List[Alert]:
alerts = []
for field, field_errors in errors.items():
for error in field_errors:
alerts.append(Alert("danger", error, field))
return alerts
def raise_and_log_exception(self, exc: Exception) -> None:
try:
raise exc
except Exception:
self.log_exception(*sys.exc_info())
def log_message(self, message: str, **kwargs: Any) -> None:
logging.info("{}, kwargs={}".format(message, kwargs))
def badrequest(self) -> None:
self.set_status(400)
self.raise_and_log_exception(HTTPError(400))
self.render("errors/badrequest.html")
def baduser(self, message) -> None:
self.set_status(403)
self.raise_and_log_exception(HTTPError(403))
how_to_get_help = settings().how_to_get_help
self.render("errors/baduser.html",
message=message,
how_to_get_help=how_to_get_help)
def forbidden(self) -> None:
self.set_status(403)
self.raise_and_log_exception(HTTPError(403))
self.render("errors/forbidden.html",
how_to_get_help=settings().how_to_get_help)
def notfound(self) -> None:
self.set_status(404)
self.raise_and_log_exception(HTTPError(404))
self.render("errors/notfound.html")