from sys import exc_info
from traceback import format_exception
from logging import ERROR, getLogger
#from ptrace.logging_tools import getLogFunc, changeLogLevel
#
#PTRACE_ERRORS = Exception
#
#def writeBacktrace(logger, log_level=ERROR):
# """
# Write a backtrace into the logger with the specified log level.
# """
# log_func = getLogFunc(logger, log_level)
# try:
# info = exc_info()
# trace = format_exception(*info)
# if trace[0] != "None\n":
# trace = ''.join(trace).rstrip()
# for line in trace.split("\n"):
# log_func(line.rstrip())
# return
# except:
# pass
# log_func("Unable to get backtrace")
#
#def formatError(error):
# """
# Format an error as a string. Write the error type as prefix.
# Eg. "[ValueError] invalid value".
# """
# return "[%s] %s" % (error.__class__.__name__, error)
#
#def writeError(logger, error, title="ERROR", log_level=ERROR):
# """
# Write an error into the logger:
# - logger: the logger (if None, use getLogger())
# - error: the exception objet
# - title: error message prefix (eg. title="Initialization error")
# - log_level: log level of the error
#
# If the exception is a SystemExit or a KeyboardInterrupt, re-emit
# (raise) the exception and don't write it.
# """
# if not logger:
# logger = getLogger()
# if error.__class__ in (SystemExit, KeyboardInterrupt):
# raise error
# log_func = getLogFunc(logger, log_level)
# log_func("%s: %s" % (title, formatError(error)))
# writeBacktrace(logger, log_level=changeLogLevel(log_level, -1))
[docs]class PtraceError(Exception):
"""
Ptrace error: have the optional attributes errno and pid.
"""
def __init__(self, message, errno=None, pid=None):
Exception.__init__(self, message)
self.errno = errno
self.pid = pid