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Questions tagged [ipython]

IPython is a feature-rich interactive shell for Python, and provides a kernel for frontends such as IPython Notebook and Jupyter Notebook.

IPython provides a rich architecture for interactive computing with . It includes:

Version updates:

The IPython 3.x release series is the last where IPython is released as one big package. Starting with IPython 4.0, the parts which work for any language are called , while the parts specific to executing Python code remain as IPython.

IPython 5.0 is the last major release to support Python 2.x.

Links:

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Step-by-step debugging with IPython

From what I have read, there are two ways to debug code in Python: With a traditional debugger such as pdb or ipdb. This supports commands such as c for continue, n for step-over, s for step-into etc.), but you don't have direct access to an…
Amelio Vazquez-Reina
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How to hide code from cells in ipython notebook visualized with nbviewer?

I have an ipython/jupyter notebook that I visualize using NBviewer. How can I hide all the code from the notebook rendered by NBviewer, so that only the output of code (e.g. plots and tables) and the markdown cells are shown?
lucacerone
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My plot in ipython does not show with pyplot.show()

Help required displaying matplotlib plots in ipython. I did not forget to call pyplot.show(). $ ipython --pylab import matplotlib.pyplot as plt plt.plot(range(20), range(20)) It returns matplotlib.lines.Line2D at 0xade2b2c as the…
Baskaya
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Showing line numbers in IPython/Jupyter Notebooks

Error reports from most language kernels running in IPython/Jupyter Notebooks indicate the line on which the error occurred; but (at least by default) no line numbers are indicated in notebooks. Is it possible to add the line numbers to…
Ruggero Turra
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How do you suppress output in Jupyter running IPython?

How can output to stdout be suppressed? A semi-colon can be used to supress display of returned objects, for example >>> 1+1 2 >>> 1+1; # No output! However, a function that prints to stdout is not affected by the semi-colon. >>>…
Zero
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How to clear variables in ipython?

Sometimes I rerun a script within the same ipython session and I get bad surprises when variables haven't been cleared. How do I clear all variables? And is it possible to force this somehow every time I invoke the magic command %run?
grasshopper
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13 answers

IOPub data rate exceeded in Jupyter notebook (when viewing image)

I want to view an image in Jupyter notebook. It's a 9.9MB .png file. from IPython.display import Image Image(filename='path_to_image/image.png') I get the below error: IOPub data rate exceeded. The notebook server will temporarily stop sending…
lmart999
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How to change color in markdown cells ipython/jupyter notebook?

I'm only looking to format a specific string within a cell. I change that cell's format to "Markdown" but I'm not sure how to change text color of a single word. I don't want to change the look of the whole notebook (via a CSS file).
punkrockpolly
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Importing an ipynb file from another ipynb file?

Interactive Python (ipython) is simply amazing, especially as you are piecing things together on the fly... and does it in such a way that it is easy to go back. However, what seems to be interesting is the use-case of having multiple ipython…
Andrew Harris
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3 answers

ipython: print complete history (not just current session)

in ipython, I can use %hist or %history to print recent history, but this only prints history from current session. I would like to print all history, similar as bash historycommand does. What I am trying to do is to get complete history, so that I…
user1968963
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How to display full output in Jupyter, not only last result?

I want Jupyter to print all the interactive output without resorting to print, not only the last result. How to do it? Example : a=3 a a+1 I would like to display 3 4
mbh86
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8 answers

How to programmatically generate markdown output in Jupyter notebooks?

I want to write a report for classes in Jupyter notebook. I'd like to count some stuff, generate some results and include them in markdown. Can I set the output of the cell to be interpreted as markdown? I'd like such command: print '$\phi$' to…
fulaphex
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Running python script inside ipython

Is it possible to run a python script (not module) from inside ipython without indicating its path? I tried to set PYTHONPATH but it seems to work only for modules. I would like to execute %run my_script.py without being in the directory…
Tyler Durden
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4 answers

Passing IPython variables as arguments to bash commands

How do I execute a bash command from Ipython/Jupyter notebook passing the value of a python variable as an argument like in this example: py_var="foo" !grep py_var bar.txt (obviously I want to grep for foo and not the literal string py_var)
Unni
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5 answers

What is %timeit in Python?

I always read the code to calculate the time like this way: %timeit function() What does "%" mean here? I think, the "%" is always used to replace something in a string, like %s means replace a string, %d replace a data, but I have no idea about…
xirururu
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