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validate ESC_PAREN ('/') is followed by a callable name and not empty (#12690)...
validate ESC_PAREN ('/') is followed by a callable name and not empty (#12690) When running a single python expression with just a slash - `/`, a tuple is returned. ```python In [1]: / Out[1]: () ``` This weird case happens because when a line starts with `/` the `inputtransformer` transforms it into a call of the first word after the `/` as the callable name and rest tokens after as arguments. This PR fixes that issue by validating that at least a callable name is given and it's not empty, if not a `SyntaxError` will be raised. ```python In [1]: / File "<ipython-input-1-8f27084b6294>", line 1 / ^ SyntaxError: invalid syntax In [2]: ``` Validated that tests are passing.
Danny Hermes - - Load All Authors

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Built-in magic commands

Note

To Jupyter users: Magics are specific to and provided by the IPython kernel. Whether Magics are available on a kernel is a decision that is made by the kernel developer on a per-kernel basis. To work properly, Magics must use a syntax element which is not valid in the underlying language. For example, the IPython kernel uses the % syntax element for Magics as % is not a valid unary operator in Python. However, % might have meaning in other languages.

Here is the help auto-generated from the docstrings of all the available Magics functions that IPython ships with.

You can create and register your own Magics with IPython. You can find many user defined Magics on PyPI. Feel free to publish your own and use the Framework :: IPython trove classifier.