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84 lines
2.2 KiB
Plaintext
84 lines
2.2 KiB
Plaintext
Metadata-Version: 2.1
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Name: flake8-blind-except
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Version: 0.1.1
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Summary: A flake8 extension that checks for blind except: statements
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Home-page: https://github.com/elijahandrews/flake8-blind-except
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Author: Elijah Andrews
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Author-email: elijahcandrews@gmail.com
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License: MIT
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Keywords: flake8 except exception
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Platform: UNKNOWN
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Requires-Dist: setuptools
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flake8-blind-except
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===================
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A flake8 extension that checks for blind, catch-all ``except:`` statements.
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Using ``except`` without explicitly specifying which exceptions to catch is generally considered bad practice, since it catches system signals like ``SIGINT``. You probably want to handle system interrupts differently than exceptions occuring in your code.
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It's also usually better style to have many small ``try``-``except`` blocks catching specific exceptions instead of a giant ``try:`` block with a catch-all ``except:`` at the bottom. It's also nicer to your fellow programmers to be a bit more specific about what exceptions they can expect in specific parts of the code, and what the proper course of action is when they occur.
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An example of code that will fail this check is:
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.. code-block:: python
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try:
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something_scary()
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except:
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everybody_panic()
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However, the following code is valid:
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.. code-block:: python
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try:
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something_terrifying()
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except TerrifyingException:
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dont_panic()
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Installation
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------------
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If you don't already have it, install ``flake8``::
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$ pip install flake8
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Then, install the extension::
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$ pip install flake8-blind-except
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Usage
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-----
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Run the following to verify that the plugin has been installed correctly::
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$ flake8 --version
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2.0 (pep8: 1.4.6, flake8-blind-except: 0.1.0, pyflakes: 0.7.3)
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Now, when you run ``flake8``, the plugin will automatically be used.
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When a blind except is found, ``flake8`` will output::
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B901 blind except: statement
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Changes
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------
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0.1.1 - 2016-06-27
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``````````````````
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* ``pep8`` was renamed to ``pycodestyle`` in its 2.0 release. Compatibility update for this change
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0.1.0 - 2014-02-07
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``````````````````
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* Initial release
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Notes
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-----
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I've tested this package with flake8 2.6.2 and Python 2.7.3. It is untested (but likely compatible) with other software versions.
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