jira2markdown

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Convert text from JIRA markup to Markdown using parsing expression grammars

// repository documentation

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# Overview

`jira2markdown` is a text converter from [JIRA markup](https://jira.atlassian.com/secure/WikiRendererHelpAction.jspa?section=all) to [YouTrack Markdown](https://www.jetbrains.com/help/youtrack/standalone/youtrack-markdown-syntax-issues.html) using parsing expression grammars. The Markdown implementation in YouTrack follows the [CommonMark specification](https://spec.commonmark.org/0.29/) with extensions. Thus, `jira2markdown` can be used to convert text to any Markdown syntax with minimal modifications.

# Table of Contents

* [Prerequisites](#prerequisites)
  * [Command line tool](#command-line-tool)
  * [Installation](#installation)
  * [Usage](#usage)
  * [Conversion tables](#conversion-tables)
    * [Headings](#headings)
    * [Text Effects](#text-effects)
    * [Text Breaks](#text-breaks)
    * [Links](#links)
    * [Lists](#lists)
    * [Images](#images)
    * [Tables](#tables)
    * [Advanced Formatting](#advanced-formatting)
  * [Customization](#customization)

# Prerequisites

- Python 3.9+

# Command line tool

Use [pipx](https://github.com/pypa/pipx) to install to isolated environment.

```
pipx install jira2markdown
```

There are multiple ways to use command line tool:

1. Provide text to convert as an argument: `jira2markdown "{quote}So many books, so little time{quote}"`
2. Specify path to a file containing Jira markup text: `jira2markdown -f path/to/file.txt`
3. Use result of another command as an input: `echo "{quote}So many books, so little time{quote}" | jira2markdown`

# Installation

```
pip install jira2markdown
```

# Usage

```python
from jira2markdown import convert

convert("Some *Jira text* formatting [example|https://example.com].")
# >>> Some **Jira text** formatting [example](https://example.com).

# To convert user mentions provide a mapping Jira internal account id to username 
# as a second argument to convert function
convert("[Winston Smith|~accountid:internal-id] woke up with the word 'Shakespeare' on his lips", {
    "internal-id": "winston",
})
# >>> @winston woke up with the word 'Shakespeare' on his lips
```

# Conversion tables

## Headings

| Jira | Markdown |
|------|----------|
|`h1. Biggest heading`|`# Biggest heading`|
|`h2. Bigger heading`|`## Bigger heading`|
|`h3. Big heading`|`### Big heading`|
|`h4. Normal heading`|`#### Normal heading`|
|`h5. Small heading`|`##### Small heading`|
|`h6. Smallest heading`|`###### Smallest heading`|

## Text Effects

| Jira | Markdown |
|------|----------|
|`*strong*`|`**strong**`|
|`_emphasis_`|Not converted (the same syntax)|
|`??citation??`|`<q>citation</q>`|
|`-deleted-`|`~~deleted~~`|
|`+inserted+`|`inserted`|
|`^superscript^`|`<sup>superscript</sup>`|
|`~subscript~`|`<sub>subscript</sub>`|
|`{{monospaced}}`|`` `monospaced` ``|
|`bq. Some block quoted text`|`> Some block quoted text`|
|`{quote}Content to be quoted{quote}`|`> Content to be quoted`|
|`{color:red}red text!{color}`|`<font color="red">red text!</font>`|

## Text Breaks

| Jira | Markdown |
|------|----------|
|`\\`|Line break|
|`---`|`—`|
|`--`|`–`|

## Links

| Jira | Markdown |
|------|----------|
|`[#anchor]`|Not converted|
|`[^attachment.ext]`|`[attachment.ext](attachment.ext)`|
|`[http://www.example.com]`|`<http://www.example.com>`|
|`[Example\|http://example.com]`|`[Example](http://example.com)`|
|`[mailto:box@example.com]`|`<box@example.com>`|
|`[file:///c:/temp/foo.txt]`|Not converted|
|`{anchor:anchorname}`|Not converted|
|`[~username]`|`@username`|

## Lists

<table>
<tr>
<th>Jira</th>
<th>Markdown</th>
</tr>
<tr>
<td>

```
* some
* bullet
** indented
** bullets
* points
```
</td>
<td>

```
- some
- bullet
  - indented
  - bullets
- points
```
</td>
</tr>
<tr>
<td>

```
# a
# numbered
# list
```
</td>
<td>

```
1. a
1. numbered
1. list
```
</td>
</tr>
<tr>
<td>

```
# a
# numbered
#* with
#* nested
#* bullet
# list
```
</td>
<td>

```
1. a
1. numbered
   - with
   - nested
   - bullet
1. list
```
</td>
</tr>
<tr>
<td>

```
* a
* bulleted
*# with
*# nested
*# numbered
* list
```
</td>
<td>

```
- a
- bulleted
  1. with
  1. nested
  1. numbered
- list
```
</td>
</tr>
</table>

## Images

<table>
<tr>
<th>Jira</th>
<th>Markdown</th>
</tr>
<tr>
<td>

```
!image.jpg!
!image.jpg|thumbnail!
!image.gif|align=right, vspace=4!
```
</td>
<td>

```
![image.jpg](https://raw.githubusercontent.com/catcombo/jira2markdown/master/image.jpg)
```
</td>
</tr>
<tr>
<td>

```
!image.jpg|width=300, height=200!
```
</td>
<td>

```
![image.jpg](https://raw.githubusercontent.com/catcombo/jira2markdown/master/image.jpg){width=300 height=200}
```
</td>
</tr>
</table>

## Tables

<table>
<tr>
<th>Jira</th>
<th>Markdown</th>
</tr>
<tr>
<td>

```
||heading 1||heading 2||heading 3||
|col A1|col A2|col A3|
|col B1|col B2|col B3|

```
</td>
<td>

```
|heading 1|heading 2|heading 3|
|---|---|---|
|col A1|col A2|col A3|
|col B1|col B2|col B3|
```
</td>
</tr>
</table>

## Advanced Formatting

<table>
<tr>
<th>Jira</th>
<th>Markdown</th>
</tr>
<tr>
<td>

```
{noformat}
preformatted piece of text
 so *no* further _formatting_ is done here
{noformat}
```
</td>
<td>

````
```
preformatted piece of text
 so *no* further _formatting_ is done here
```
````
</td>
</tr>
<tr>
<td>

```
{panel:title=My Title}
Some text with a title
{panel}
```
</td>
<td>

```
> **My Title**
> Some text with a title
```
</td>
</tr>
<tr>
<td>

```
{code:xml}
    <test>
        <another tag="attribute"/>
    </test>
{code}
```
</td>
<td>

````
```xml
    <test>
        <another tag="attribute"/>
    </test>
```
````
</td>
</tr>
</table>

# Customization

To customize the list of markup elements send it as an optional argument to `convert`:
```python
from jira2markdown import convert
from jira2markdown.elements import MarkupElements
from jira2markdown.markup.links import Link
from jira2markdown.markup.text_effects import Bold

# Only bold and link tokens will be converted here
elements = MarkupElements([Link, Bold])
convert("Some Jira text here", elements=elements)
```

Keep in mind that the order of markup elements is important! Elements are matching first from top to bottom in the list.

To override some elements in the default element list use `insert_after`/`replace` methods:
```python
from jira2markdown import convert
from jira2markdown.elements import MarkupElements
from jira2markdown.markup.base import AbstractMarkup
from jira2markdown.markup.links import Link
from jira2markdown.markup.text_effects import Color

class CustomColor(Color):
    ...

class MyElement(AbstractMarkup):
    ...

elements = MarkupElements()
elements.replace(Color, CustomColor)
elements.insert_after(Link, MyElement)
convert("Some Jira text here", elements=elements)
```

jira2markdown

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