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Jupyter magic for cells expected to raise exceptions

License: BSD 3-Clause "New" or "Revised" License

Python 100.00%

expectexception's Introduction

Expect Exception

Expect Exception allows you to annotate cells in your Jupyter notebook that you expect to raise exceptions. Tracebacks from these exceptions get printed normally, but execution of the notebook does not halt with that cell. This allows you to run all the cells in the notebook at once, and it makes testing notebooks with exception-raising cells possible.

Installation

Expect Exception can be installed with pip:

pip install expectexception

Usage

See the README.ipynb notebook for usage examples.

License

Expect Exception is copyright 2016 The Data Incubator, released under the BSD 3-Clause license. See the LICENSE file for details. The source is available at https://github.com/thedataincubator/expectexception.

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expectexception's Issues

Support load_ext

Python has an extension loading mechanism:

%load_ext expectexception

Supporting this would simply require a function like the following (from the docs linked above):

def load_ipython_extension(ipython):
    """
    Any module file that define a function named `load_ipython_extension`
    can be loaded via `%load_ext module.path` or be configured to be
    autoloaded by IPython at startup time.
    """
    # You can register the class itself without instantiating it.  IPython will
    # call the default constructor on it.
    ipython.register_magics(MyMagics)

and then this would be run in the __init__.py file for backward compatibility.

Make pip installable without url

I really like using expectexception. I was wondering if it would be possible to make it pip installable without a url because pypi sometimes complains about trying to install direct dependencies from a url (full discussion in pypa/pip#4187, tl;dr PyPI won't install packages that have urls in their requirements) .

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