is possible to handle all traceback/exception error code in django ?
i try using sys.excepthook = myfunction in the first line manage.py, which my function/method/class provides python functions/methods like send log to syslog and other functions, here’s an example of my exception hook function:
#!/usr/bin/env python
# ehook.py
from __future__ import print_function
from make_colors import make_colors
from xnotify import notify
import os, sys
import socket
from configset import configset
import syslogx
import datetime
import re
import traceback
from pydebugger.debug import debug
PID = os.getpid()
class ehook:
CONFIGNAME = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'ehook.ini')
CONFIG = configset(CONFIGNAME)
def __init__(self, exc_type, exc_value, tb, **kwargs):
#local_vars = {}
#super(ehook, self)
self.exc_type = exc_type
self.exc_value = exc_value
self.tb = tb
data, data_color, raw_data, raw_data_color = self.tracert()
app = "ehook"
title = "Traceback"
event = 'Error'
icon = list(filter(lambda k: os.path.isfile(k), [os.path.splitext(os.path.realpath(__file__))[0] + "." + i for i in ['png', 'jpg']] + [os.path.join(os.path.dirname(os.path.realpath(__file__)), 'traceback') + "." + i for i in ['png', 'jpg']]))
#print("icon:", icon)
kwargs.update({'app': app,})
kwargs.update({'title': title,})
kwargs.update({'event': event,})
kwargs.update({'sticky': True,})
if self.CONFIG.get_config('syslog', 'severity'):
kwargs.update({'syslog_severity': self.CONFIG.get_config('syslog', 'severity').lower(),})
if self.CONFIG.get_config('syslog', 'facility'):
kwargs.update({'syslog_facility': self.CONFIG.get_config('syslog', 'facility').lower(),})
if icon: kwargs.update({'icon': icon[0],})
#icon = os.path.join(os.path.dirname(os.path.realpath(__file__)), icon)
syslog_server = re.split("\n|\t|,", self.CONFIG.get_config('syslog', 'host')) or kwargs.get('syslog_server')
syslog_server = [i.strip() for i in syslog_server]
debug(syslog_server = syslog_server)
if isinstance(syslog_server, list):
for i in syslog_server:
self.debug_server_client(data, data_color, i.split(":")[0])
else:
self.debug_server_client(data, data_color, syslog_server)
kwargs.update({'syslog_server': syslog_server,})
notify.send(message_color = data_color, message = "\n".join(raw_data[1:]), **kwargs)
def sent_to_syslog(self, message, severity=None, facility=None, host = None, port = None):
severity = severity or 3
facility = facility or 3
host = host or self.CONFIG.get_config('syslog', 'host') or '127.0.0.1'
port = port or self.CONFIG.get_config('syslog', 'port') or 514
if "," in host:
host = [i.strip() for i in host.split(",")]
else:
if not isinstance(host, list): host = [host]
if hasattr(message, 'decode'):
message = message.decode('utf-8')
for i in host:
if ":" in i:
HOST, PORT = str(i).split(":")
HOST = HOST.strip()
PORT = PORT.strip()
PORT = PORT or 514
print("sent to %s:%s" % (HOST, str(PORT)))
syslogx.syslog(message, severity, facility, HOST, int(PORT))
else:
syslogx.syslog(message, severity, facility, i, port)
def debug_server_client(self, msg, msg_color = None, host = None, port = None):
dtime = make_colors(datetime.datetime.strftime(datetime.datetime.now(), '%Y:%m:%d'), 'white', 'red') + \
make_colors('~', 'white') + \
make_colors(datetime.datetime.strftime(datetime.datetime.now(), '%H:%M:%S'), 'white', 'green') + \
make_colors(datetime.datetime.strftime(datetime.datetime.now(), '%f'), 'white', 'magenta') + \
"[%s]" % PID
if sys.version_info.major == 3:
msg = msg.encode('utf-8')
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
host = host or self.CONFIG.get_config('server', 'host') or '127.0.0.1'
port = port or self.CONFIG.get_config('server', 'port') or 50000
if not host:
try:
if sys.version_info.major == 3:
msg_color = bytes(dtime + " " + msg_color, encoding = 'utf-8')
else:
msg_color = dtime + " " + msg_color
s.sendto((msg_color or msg), (host, port))
except:
traceback.format_exc()
print(msg)
self.sent_to_syslog(msg)
s.close()
#return False
if "," in host:
host = [i.strip() for i in host.split(",")]
else:
host = [host]
for i in host:
if ":" in i:
host1, port1 = str(i).strip().split(":")
port1 = int(port1.strip()) or port
host1 = host1.strip()
try:
if sys.version_info.major == 3:
msg_color = bytes(dtime + " " + msg_color, encoding = 'utf-8')
else:
msg_color = dtime + " " + msg_color
s.sendto((msg_color or msg), (host1, port1))
except:
traceback.format_exc()
print(msg)
self.sent_to_syslog(msg)
s.close()
#print "%s:%s 0" % (host, str(port))
break
else:
host = i.strip()
#print "%s:%s 1" % (host, str(port))
if sys.version_info.major == 3:
msg_color = bytes(dtime + " " + msg_color, encoding = 'utf-8')
else:
msg_color = dtime + " " + msg_color
s.sendto((msg_color or msg), (host, port))
s.close()
break
def tracert(self):
trace = ["Traceback: "]
trace_color = []
while self.tb:
filename = self.tb.tb_frame.f_code.co_filename
name = self.tb.tb_frame.f_code.co_name
line_no = self.tb.tb_lineno
data_color = make_colors("Traceback:", 'b', 'y') + " " + \
make_colors(self.exc_type.__name__, 'lw', 'r') + " (" + \
make_colors(self.exc_value, 'lw', 'm') + "), File " + \
make_colors(filename, 'b', 'lg') + ", line " + \
make_colors(line_no, 'lw', 'bl') + ", in " + \
make_colors(name, 'b', 'lc')
print(data_color)
trace_color.append(data_color)
data = str(self.exc_type.__name__) + ": " + str(self.exc_value) + "), File " + filename + ", line " + str(line_no) + ", in " + name
trace.append(data)
#print(f"File {filename} line {line_no}, in {name}")
#local_vars = tb.tb_frame.f_locals
#print(f"{exc_type.__name__}, Message: {exc_value}")
self.tb = self.tb.tb_next
#print(f"Local variables in top frame: {local_vars}")
return "\n".join(trace), "\n".join(trace_color), trace, trace_color
in manage.py
from ehook import ehook
sys.excepthook = ehook
import sys
import os
def main():
"""Run administrative tasks."""
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tobi.settings')
try:
from django.core.management import execute_from_command_line
except ImportError as exc:
raise ImportError(
"Couldn't import Django. Are you sure it's installed and "
"available on your PYTHONPATH environment variable? Did you "
"forget to activate a virtual environment?"
) from exc
execute_from_command_line(sys.argv)
but it doesn’t work like what I expected
how to handle all exceptions in django ?