mwouts/jupytext 1.3.0rc1

Version 1.3.0rc1

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Improvements

• Pairing a notebook to both .md and .py is now supported. Input cells are loaded from the most recent text representation (#290)
• Both the Jupyter Notebook and the Jupyter Lab extension for Jupytext were updated (#290)
• Raw cells are now encoded using HTML comments (<!-- #raw --> and <!-- #endraw -->) in Markdown files (#321)
• Markdown cells can be delimited with any of <!-- #region -->, <!-- #markdown --> or <!-- #md --> (#344)
• Code blocks from Markdown files, when they don't have an explicit language, appear in Markdown cells in Jupyter (#321)
• Code blocks with an explicit language and a .noeval attribute are inactive in Jupyter (#347)
• Markdown and raw cells can be quoted with triple quotes in the py:percent format. And Markdown cells can start with just # %% [md] (#305)
• The light format uses # + [markdown] rather than the previous cell_type metadata to identify markdown cells with metadata (#356)
• Explicit Markdown cells in the light format # + [markdown] can use triple quotes (#356)
• IPython magic help commands like float? are classified as magics, and thus commented in Python scripts (#297)
• Cell metadata can be encoded as either key=value (the new default) or in JSON. An automatic option cell_metadata_json should help minimize the impact on existing files (#344)
• R Markdown hidden inputs, outputs, or cells are now mapped to the corresponding Jupyter Book tags by default (#337)
• The Jupyter Notebook extension for Jupytext is compatible with Jupyter Notebook 6.0 (#346)
• jupytext notebook.py --to ipynb updates the timestamp of notebook.py so that the paired notebook still works in Jupyter (#335, #254)
• jupytext --check pytest notebook.ipynb can be used to run test functions in a notebook (#286)
• jupytext --check and jupytext --pipe can run commands that only operate on files: when {} is found in the text of the command, jupytext saves the text representation of the notebook in a temp file, and replaces {} with the name of that file before executing the command. (#286)
• Added support for Rust/Evxcr, by Jonas Bushart (#351)
• Added support for PowerShell (#349)

BugFixes

• Commands like cat = x are not magic commands, so they are not commented any more (#339)
• Fixed an inconsistent round trip (code cell with "cat" being converted to a markdown cell) in the py:light format (#339)
• jupytext --test textfile.ext now really compares the text file to its round trip (rather than the corresponding notebook) (#339)
• Markdown cells that contain code are now preserved in a round trip through the Markdown and R Markdown formats (#361)
• Code cells with a %%python3 cell magic are now preserved in a round trip through the Markdown format (#365)