• linux-64 v0.0.4

conda install

To install this package run one of the following:
conda install terradue::nbmerge

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nbmerge: merge / concatenate Jupyter notebooks

Installation

.. code:: sh

pip install nbmerge

Usage

For the usage as originally specified by @fperez <https://github.com/fperez>__'s gist,

.. code:: sh

nbmerge file_1.ipynb file_2.ipynb file_3.ipynb > merged.ipynb

Alternatively, nbmerge can cursively collect all files in the current directory and below, recursively. After collection, it sorts them lexicographically. You can use a regular expression as a file name predicate. All .ipynb_checkpoints are automatically ignored. And, you can use the -i option to ignore any notebook prefixed with an underscore (think pseudo-private in python).

For example, the following command collects all notebooks in your project that have the word intro in the file name and saves it to a merged file named _merged.ipynb,

.. code:: sh

nbmerge --recursive -i -p ".*intro.*" -o _merged.ipynb

Finally, you can also instruct the script to demarcate the boundary between each original file with the -b / -boundary [BOUNDARY] flag. The src_nb value in the metadata for the first cell in each original notebook will then contain the path of the original notebook, relative to the cwd at the point of script execution.

Lineage

@fperez <https://github.com/fperez>_ wrote an nbmerge.py <https://gist.github.com/fperez/e2bbc0a208e82e450f69>_ script which "Merge[s]/concatenate[s] multiple IPython notebooks into one." I use it a lot. Evidently, other people do, too <https://github.com/search?utf8=%E2%9C%93&q=nbmerge.py&type=Code>. In early 2016, he opened an issue to add the script as an nbconvert tool <https://github.com/jupyter/nbconvert/issues/253>, but nothing came of it. However, he and @Carreau <https://github.com/carreau>_ came up with good (i.e. unsurprising) semantics for metadata merging and notebook naming <https://github.com/jupyter/nbconvert/issues/253#issuecomment-187492911>_:

.. code:: python

metadata = {}
for n in reversed(notebooks):
    metadata.update(n.metadata)

I don't think it's possible to implement the merger as a preprocessor. Preprocessors are stateless, so you can't implement a reduce operation. Instead, I wrote (er, packaged up) this library as an nbstripoutput <https://github.com/kynan/nbstripout>__-like package . It fits in a Makefile script just fine.

Right now, only the basic (originally fperez's) functionality is implemented. However, I'm going to follow kynan's <https://github.com/kynan>__ lead and slowly pull in functionality similar to his nbstripout package.