Trac macros are plugins to extend the Trac engine with custom 'functions' written in Python. A macro inserts dynamic HTML data in any context supporting WikiFormatting.
Another kind of macros are WikiProcessors. They typically deal with alternate markup formats and representation of larger blocks of information (like source code highlighting).
Macro calls are enclosed in two square brackets. Like Python functions, macros can also have arguments, a comma separated list within parentheses.
Trac macros can also be written as TracPlugins. This gives them some capabilities that macros do not have, such as being able to directly access the HTTP request.
A list of 3 most recently changed wiki pages starting with 'Trac':
Note that the following list will only contain the macro documentation if you've not enabled -OO optimizations, or not set the PythonOptimize option for mod_python.
Embed an image in wiki-formatted text.
The first argument is the file specification. The file specification may reference attachments in three ways:
- module:id:file, where module can be either wiki or ticket, to refer to the attachment named file of the specified wiki page or ticket.
- id:file: same as above, but id is either a ticket shorthand or a Wiki page name.
- file to refer to a local attachment named 'file'. This only works from within that wiki page or a ticket.
Also, the file specification may refer to repository files, using the source:file syntax (source:file@rev works also).
Files can also be accessed with a direct URLs; /file for a project-relative, //file for a server-relative, or http://server/file for absolute location of the file. The rfc2397 data URL scheme is also supported if the URL is enclosed in quotes.
The remaining arguments are optional and allow configuring the attributes and style of the rendered <img> element:
- digits and unit are interpreted as the size (ex. 120px, 25%) for the image
- right, left, center, top, bottom and middle are interpreted as the alignment for the image (alternatively, the first three can be specified using align=... and the last three using valign=...)
- link=some TracLinks... replaces the link to the image source by the one specified using a TracLinks. If no value is specified, the link is simply removed.
- inline specifies that the content generated be an inline XHTML element. By default, inline content is not generated, therefore images won't be rendered in section headings and other one-line content.
- nolink means without link to image source (deprecated, use link=)
- key=value style are interpreted as HTML attributes or CSS style
indications for the image. Valid keys are:
- align, valign, border, width, height, alt, title, longdesc, class, margin, margin-(left,right,top,bottom), id and usemap
- border, margin, and margin-* can only be a single number (units are pixels).
- margin is superseded by center which uses auto margins
[[Image(photo.jpg)]] # simplest [[Image(photo.jpg, 120px)]] # with image width size [[Image(photo.jpg, right)]] # aligned by keyword [[Image(photo.jpg, nolink)]] # without link to source [[Image(photo.jpg, align=right)]] # aligned by attribute
You can use an image from a wiki page, ticket or other module.
[[Image(OtherPage:foo.bmp)]] # from a wiki page [[Image(base/sub:bar.bmp)]] # from hierarchical wiki page [[Image(#3:baz.bmp)]] # from another ticket [[Image(ticket:36:boo.jpg)]] # from another ticket (long form) [[Image(source:/img/bee.jpg)]] # from the repository [[Image(htdocs:foo/bar.png)]] # from project htdocs dir [[Image(shared:foo/bar.png)]] # from shared htdocs dir (since 1.0.2)
Adapted from the Image.py macro created by Shun-ichi Goto <firstname.lastname@example.org>
Provide a list of known InterTrac prefixes.
Provide a description list for the known InterWiki prefixes.
List all known mime-types which can be used as WikiProcessors.
Can be given an optional argument which is interpreted as mime-type filter.
Display a list of all installed Wiki macros, including documentation if available.
Optionally, the name of a specific macro can be provided as an argument. In that case, only the documentation for that macro will be rendered.
Note that this macro will not be able to display the documentation of macros if the PythonOptimize option is enabled for mod_python!
Makes a colored box from the contents of the macro.
End a newflash box.
Start a newflash box.
Display a structural outline of the current wiki page, each item in the outline being a link to the corresponding heading.
This macro accepts four optional parameters:
- The first is a number or range that allows configuring the minimum and maximum level of headings that should be included in the outline. For example, specifying "1" here will result in only the top-level headings being included in the outline. Specifying "2-3" will make the outline include all headings of level 2 and 3, as a nested list. The default is to include all heading levels.
- The second parameter can be used to specify a custom title (the default is no title).
- The third parameter selects the style of the outline. This can be either inline or pullout (the latter being the default). The inline style renders the outline as normal part of the content, while pullout causes the outline to be rendered in a box that is by default floated to the right side of the other content.
- The fourth parameter specifies whether the outline is numbered or not. It can be either numbered or unnumbered (the former being the default). This parameter only has an effect in inline style.
List all pages that have recently been modified, ordered by the time they were last modified.
This macro accepts two ordered arguments and a named argument. The named argument can be placed in any position within the argument list.
The first parameter is a prefix string: if provided, only pages with names that start with the prefix are included in the resulting list. If this parameter is omitted, all pages are included in the list.
The second parameter is the maximum number of pages to include in the list.
The group parameter determines how the list is presented:
- The pages are presented in bulleted lists that are grouped by date (default).
- The pages are presented in a single bulleted list.