A literate programming extension for Sphinx
Project description
Literate Sphinx
Literate Sphinx is a literate programming extension for Sphinx. Literate programming is a method for writing code interleaved with text. With literate programming, code is intended to be written in an order that makes sense to a human reader, rather than a computer.
Producing the human-readable document from the document source is called
"weaving", while producing the computer-readable code is called "tangling". In
this extension, the weaving process is the normal Sphinx rendering process.
For tangling, this extension provides a tangle
builder — running
make tangle
will output the computer-readable files in _build/tangle
.
As is customary with literate programming tools, the extension is also written in a literate programming style.
Usage
Install the extension by running pip install literate-sphinx
, and add
'literate_sphinx'
to the extensions
list in your conf.py
.
Code chunks are written using the literate-code
directive, which takes the
name of the chunk as its argument. It takes the following options:
lang
: the language of the chunk. Defaults tohighlight_language
specified inconf.py
file
: (takes no value) present if the chunk is a file. If the chunk is a file, then the code chunk nameclass
: a list of class names separated by spaces to add to the HTML outputname
: a target name that can be referenced byref
ornumrf
. This should not be confused with the code chunk name.
e.g in ReST
.. literate-code:: code chunk name
:lang: python
def hello():
print("Hello world")
or in Markdown using MyST parser
```{literate-code} code chunk name
:lang: python
def hello():
print("Hello world")
```
To include another code chunk, enclose it between {{
and }}
delimiters.
Only one code chunk is allowed per line. The code chunk will be prefixed with
everything before the delimiters on the line, and suffixed by everything after
the delimiters.
For example,
.. literate-code:: file.py
:file:
# before
{{code chunk name}}
# after
will produce a file called file.py
with the contents
# before
def hello():
print("Hello world")
# after
and
.. literate-code:: file.py
:file:
# before
class Hello:
{{code chunk name}} # suffix
# after
will produce
# before
class Hello:
def hello(): # suffix
print("Hello world") # suffix
# after
The delimiters can be changed by setting the literate_delimiters
option in
conf.py
, which takes a tuple, where the first element is the left delimiter
and the second element is the right delimiter. For example:
literate_delimiters = ('<<', '>>')
The same code chunk name can be used for multiple chunks; they will be included
in the same order that they appear in the document. If the document is split
across multiple files, they will be processed in the same order as they appear
in the table of contents as defined in the toctree
directive.
In addition to the tangle
builder for tangling the document into
computer-readable code files, there is an annotated-tangle
builder, which
writes the computer-readable code to HTML files, annotated by the chunks that
they come from. You can see an example by viewing the annotated tangling of this
project.
---
maxdepth: 2
caption: "More:"
---
code
License
This software may be redistributed under the same license as Sphinx.
:lang: text
Copyright Hubert Chathi <hubert@uhoreg.ca>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
SPDX-License-Identifier: BSD-2-Clause
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