##// END OF EJS Templates
add a check to verify is wx.aui is present on the system.\n Else tells the user to install wxpython > 2.8.0
add a check to verify is wx.aui is present on the system.\n Else tells the user to install wxpython > 2.8.0

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CrashHandler.py
230 lines | 8.3 KiB | text/x-python | PythonLexer
fperez
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r0 # -*- coding: utf-8 -*-
"""sys.excepthook for IPython itself, leaves a detailed report on disk.
Fernando Perez
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r1875
Authors
-------
- Fernando Perez <Fernando.Perez@berkeley.edu>
Fernando Perez
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r1853 """
fperez
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r0
#*****************************************************************************
Fernando Perez
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r1875 # Copyright (C) 2008-2009 The IPython Development Team
# Copyright (C) 2001-2007 Fernando Perez. <fperez@colorado.edu>
fperez
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r0 #
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#*****************************************************************************
#****************************************************************************
# Required modules
# From the standard library
fperez
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r52 import os
import sys
fperez
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r0 from pprint import pprint,pformat
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r1875 # Our own
from IPython import Release
fperez
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r0 from IPython import ultraTB
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r1875 from IPython.ColorANSI import ColorScheme,ColorSchemeTable # too long names
from IPython.Itpl import Itpl,itpl,printpl
fperez
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r46 from IPython.genutils import *
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r0
#****************************************************************************
class CrashHandler:
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r381 """Customizable crash handlers for IPython-based systems.
fperez
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r0
fptest
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r381 Instances of this class provide a __call__ method which can be used as a
sys.excepthook, i.e., the __call__ signature is:
def __call__(self,etype, evalue, etb)
"""
def __init__(self,IP,app_name,contact_name,contact_email,
bug_tracker,crash_report_fname,
show_crash_traceback=True):
"""New crash handler.
Inputs:
- IP: a running IPython instance, which will be queried at crash time
for internal information.
- app_name: a string containing the name of your application.
- contact_name: a string with the name of the person to contact.
- contact_email: a string with the email address of the contact.
- bug_tracker: a string with the URL for your project's bug tracker.
- crash_report_fname: a string with the filename for the crash report
to be saved in. These reports are left in the ipython user directory
as determined by the running IPython instance.
Optional inputs:
- show_crash_traceback(True): if false, don't print the crash
traceback on stderr, only generate the on-disk report
Non-argument instance attributes:
These instances contain some non-argument attributes which allow for
further customization of the crash handler's behavior. Please see the
source for further details.
"""
# apply args into instance
fperez
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r0 self.IP = IP # IPython instance
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r381 self.app_name = app_name
self.contact_name = contact_name
self.contact_email = contact_email
self.bug_tracker = bug_tracker
self.crash_report_fname = crash_report_fname
self.show_crash_traceback = show_crash_traceback
# Hardcoded defaults, which can be overridden either by subclasses or
# at runtime for the instance.
# Template for the user message. Subclasses which completely override
# this, or user apps, can modify it to suit their tastes. It gets
# expanded using itpl, so calls of the kind $self.foo are valid.
self.user_message_template = """
Oops, $self.app_name crashed. We do our best to make it stable, but...
A crash report was automatically generated with the following information:
- A verbatim copy of the crash traceback.
- A copy of your input history during this session.
- Data on your current $self.app_name configuration.
It was left in the file named:
\t'$self.crash_report_fname'
If you can email this file to the developers, the information in it will help
them in understanding and correcting the problem.
You can mail it to: $self.contact_name at $self.contact_email
with the subject '$self.app_name Crash Report'.
If you want to do it now, the following command will work (under Unix):
mail -s '$self.app_name Crash Report' $self.contact_email < $self.crash_report_fname
To ensure accurate tracking of this issue, please file a report about it at:
$self.bug_tracker
"""
fperez
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r0
def __call__(self,etype, evalue, etb):
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r381 """Handle an exception, call for compatible with sys.excepthook"""
fperez
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r0
# Report tracebacks shouldn't use color in general (safer for users)
color_scheme = 'NoColor'
# Use this ONLY for developer debugging (keep commented out for release)
#color_scheme = 'Linux' # dbg
try:
rptdir = self.IP.rc.ipythondir
except:
rptdir = os.getcwd()
if not os.path.isdir(rptdir):
rptdir = os.getcwd()
fptest
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r381 report_name = os.path.join(rptdir,self.crash_report_fname)
# write the report filename into the instance dict so it can get
# properly expanded out in the user message template
self.crash_report_fname = report_name
TBhandler = ultraTB.VerboseTB(color_scheme=color_scheme,
long_header=1)
traceback = TBhandler.text(etype,evalue,etb,context=31)
fperez
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r0
# print traceback to screen
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r381 if self.show_crash_traceback:
print >> sys.stderr, traceback
fperez
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r0
# and generate a complete report on disk
try:
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r381 report = open(report_name,'w')
fperez
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r0 except:
print >> sys.stderr, 'Could not create crash report on disk.'
return
fptest
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r381 # Inform user on stderr of what happened
msg = itpl('\n'+'*'*70+'\n'+self.user_message_template)
print >> sys.stderr, msg
fperez
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r0
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r381 # Construct report on disk
report.write(self.make_report(traceback))
report.close()
vivainio
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r917 raw_input("Press enter to exit:")
fperez
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r0
fptest
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r381 def make_report(self,traceback):
"""Return a string containing a crash report."""
fperez
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r0
fptest
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r381 sec_sep = '\n\n'+'*'*75+'\n\n'
fperez
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r0
fptest
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r381 report = []
rpt_add = report.append
rpt_add('*'*75+'\n\n'+'IPython post-mortem report\n\n')
rpt_add('IPython version: %s \n\n' % Release.version)
Fernando Perez
Close https://bugs.launchpad.net/ipython/+bug/341726...
r1858 rpt_add('BZR revision : %s \n\n' % Release.revision)
fptest
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r381 rpt_add('Platform info : os.name -> %s, sys.platform -> %s' %
(os.name,sys.platform) )
rpt_add(sec_sep+'Current user configuration structure:\n\n')
rpt_add(pformat(self.IP.rc.dict()))
rpt_add(sec_sep+'Crash traceback:\n\n' + traceback)
try:
rpt_add(sec_sep+"History of session input:")
for line in self.IP.user_ns['_ih']:
rpt_add(line)
rpt_add('\n*** Last line of input (may not be in above history):\n')
rpt_add(self.IP._last_input_line+'\n')
except:
pass
fperez
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r0
fptest
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r381 return ''.join(report)
class IPythonCrashHandler(CrashHandler):
"""sys.excepthook for IPython itself, leaves a detailed report on disk."""
def __init__(self,IP):
# Set here which of the IPython authors should be listed as contact
Fernando Perez
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r2142 AUTHOR_CONTACT = 'Fernando'
fptest
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r381
# Set argument defaults
app_name = 'IPython'
Fernando Perez
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r1858 bug_tracker = 'https://bugs.launchpad.net/ipython/+filebug'
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r381 contact_name,contact_email = Release.authors[AUTHOR_CONTACT][:2]
crash_report_fname = 'IPython_crash_report.txt'
# Call parent constructor
CrashHandler.__init__(self,IP,app_name,contact_name,contact_email,
bug_tracker,crash_report_fname)
def make_report(self,traceback):
"""Return a string containing a crash report."""
fperez
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r0
sec_sep = '\n\n'+'*'*75+'\n\n'
fptest
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r381
report = []
rpt_add = report.append
rpt_add('*'*75+'\n\n'+'IPython post-mortem report\n\n')
rpt_add('IPython version: %s \n\n' % Release.version)
Fernando Perez
Close https://bugs.launchpad.net/ipython/+bug/341726...
r1858 rpt_add('BZR revision : %s \n\n' % Release.revision)
fptest
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r381 rpt_add('Platform info : os.name -> %s, sys.platform -> %s' %
fperez
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r0 (os.name,sys.platform) )
fptest
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r381 rpt_add(sec_sep+'Current user configuration structure:\n\n')
rpt_add(pformat(self.IP.rc.dict()))
rpt_add(sec_sep+'Crash traceback:\n\n' + traceback)
fperez
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r0 try:
fptest
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r381 rpt_add(sec_sep+"History of session input:")
fperez
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r0 for line in self.IP.user_ns['_ih']:
fptest
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r381 rpt_add(line)
rpt_add('\n*** Last line of input (may not be in above history):\n')
rpt_add(self.IP._last_input_line+'\n')
fperez
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r0 except:
pass
fptest
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r381
return ''.join(report)