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https://github.com/sammdot/rtfcre

Python library for Rich Text Format with Court Reporting Extensions (RTF/CRE) dictionaries
https://github.com/sammdot/rtfcre

dictionaries dictionary plover rtf steno stenography

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Python library for Rich Text Format with Court Reporting Extensions (RTF/CRE) dictionaries

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# rtfcre

[![pypi](https://img.shields.io/pypi/v/rtfcre)](https://pypi.org/project/rtfcre)
![python](https://img.shields.io/pypi/pyversions/rtfcre)
![tests](https://github.com/sammdot/rtfcre/workflows/tests/badge.svg)

`rtfcre` is a Python library for reading and writing steno dictionaries in the
[RTF/CRE](http://www.legalxml.org/workgroups/substantive/transcripts/cre-spec.htm)
(Rich Text Format with Court Reporting Extensions) format. The library provides
an API similar to that of the `json` module for reading and writing dictionaries.

`rtfcre` also comes with a little command-line utility that you can use to
convert your dictionaries between Plover's native JSON format and RTF. See
[CLI](#cli) for more information.

## Features

* **Speed**: The parsing logic is written in Rust using parser combinators,
making it much faster than practically any pure-Python implementation.

* **Comments**: Rather than just exposing translations, `rtfcre` also reads the
comments embedded in each entry (`{\*\cxcomment like this}`).

* **Unicode**: Full Unicode support -- while the dictionary files are not
encoded in UTF-8, Unicode characters in translations are still fully
supported. Translations can be in any language and they will seamlessly be
converted to escapes when writing.

* **Plover support**: Translations are converted automatically to Plover's
native syntax (e.g. fingerspelling is represented with `{&a}` rather than
`{\cxfing a}`) and converted back when writing.

## Installation

To install the library:

```
pip install rtfcre
```

If you just want to use this with Plover, install the
[plover-better-rtf](https://github.com/sammdot/plover-better-rtf) plugin
instead, since that plugin uses this library under the hood.

If you want the command-line utility, go to the
[Releases](https://github.com/sammdot/rtfcre/releases) page and download the
binary for your system.

## Usage

### Library

To read an RTF dictionary:

```python
import rtfcre

# Reading directly from a file (make sure to open binary)
with open("dict.rtf", "rb") as file:
dic = rtfcre.load(file)

# Reading from a string
rtf = r"""
{\rtf1\ansi{\*\cxrev100}\cxdict{\*\cxsystem KittyCAT}
{\*\cxs KAT}cat
{\*\cxs KOU}cow
}
""".lstrip()
dic = rtfcre.loads(rtf)
```

To write the RTF dictionary:

```python
# Writing to a file (make sure to open binary)
with open("dict.rtf", "wb") as file:
dic.dump(file)

# Writing to a string
rtf = dic.dumps()
```

The dictionary object itself also supports the standard `dict` API:

```python
dic["KAT"] = "cat"

"KAT" in dic # True
dic["KAT"] # "cat"

del dic["KAT"]

dic["TKOG"] # KeyError
dic["TKOG"] = "dog"
dic["TKOG"] # "dog"
```

as well as a reverse lookup API for mapping from translations to steno strokes:

```python
dic.reverse_lookup("cat") # ["KAT"]
```

To access comments:

```python
dic.lookup("TKOG") # ("dog", None)

dic.add_comment("TKOG", "TK means D")
dic.lookup("TKOG") # ("dog", "TK means D")

dic.remove_comment("TKOG")
```

### CLI

To convert an existing Plover JSON dictionary to RTF:

```
rtfcre path/to/input.json path/to/output.rtf
```

To convert an existing RTF dictionary back to Plover JSON:

```
rtfcre path/to/input.rtf path/to/output.json
```