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# CrashHandler

## Module: `CrashHandler`

Inheritance diagram for `IPython.CrashHandler`:

sys.excepthook for IPython itself, leaves a detailed report on disk.

### Authors

- Fernando Perez <Fernando.Perez@berkeley.edu>

## Classes

### `CrashHandler`

class `IPython.CrashHandler.``CrashHandler`(IP, app_name, contact_name, contact_email, bug_tracker, crash_report_fname, show_crash_traceback=True)

  Customizable crash handlers for IPython-based systems.

  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)

  `__init__`()

    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.

  `make_report`()

    Return a string containing a crash report.

### `IPythonCrashHandler`

class `IPython.CrashHandler.``IPythonCrashHandler`(IP)

  Bases: `IPython.CrashHandler.CrashHandler`

  sys.excepthook for IPython itself, leaves a detailed report on disk.

  `__init__`()
  `make_report`()

    Return a string containing a crash report.

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