46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""
|
|
Functions to display an error (error, warning or information) message.
|
|
"""
|
|
|
|
from lib.hachoir_core.log import log
|
|
from lib.hachoir_core.tools import makePrintable
|
|
import sys, traceback
|
|
|
|
def getBacktrace(empty="Empty backtrace."):
|
|
"""
|
|
Try to get backtrace as string.
|
|
Returns "Error while trying to get backtrace" on failure.
|
|
"""
|
|
try:
|
|
info = sys.exc_info()
|
|
trace = traceback.format_exception(*info)
|
|
sys.exc_clear()
|
|
if trace[0] != "None\n":
|
|
return "".join(trace)
|
|
except:
|
|
# No i18n here (imagine if i18n function calls error...)
|
|
return "Error while trying to get backtrace"
|
|
return empty
|
|
|
|
class HachoirError(Exception):
|
|
"""
|
|
Parent of all errors in Hachoir library
|
|
"""
|
|
def __init__(self, message):
|
|
message_bytes = makePrintable(message, "ASCII")
|
|
Exception.__init__(self, message_bytes)
|
|
self.text = message
|
|
|
|
def __unicode__(self):
|
|
return self.text
|
|
|
|
# Error classes which may be raised by Hachoir core
|
|
# FIXME: Add EnvironmentError (IOError or OSError) and AssertionError?
|
|
# FIXME: Remove ArithmeticError and RuntimeError?
|
|
HACHOIR_ERRORS = (HachoirError, LookupError, NameError, AttributeError,
|
|
TypeError, ValueError, ArithmeticError, RuntimeError)
|
|
|
|
info = log.info
|
|
warning = log.warning
|
|
error = log.error
|