_SourceFragmentElement is an IRenderable which can render several lines of source code near the line number of a particular frame object.
| Instance Variable | frame | A Failure-style frame object for which to load a source line to render. This is really a tuple holding some information from a frame object. See Failure.frames for specifics. |
| Method | __init__ | Undocumented |
| Method | sourceLines | No summary |
| Method | _getSourceLines | Find the source line references by self.frame and yield, in source line order, it and the previous and following lines. |
Inherited from Element:
| Instance Variable | loader | The factory which will be used to load documents to return from render. |
| Method | lookupRenderMethod | Look up and return the named render method. |
| Method | render | Implement IRenderable to allow one Element to be embedded in another's template or rendering output. |
Failure-style frame object for which to load a source line to render. This is really a tuple holding some information from a frame object. See Failure.frames for specifics.Undocumented
Find the source line references by self.frame and yield, in source line order, it and the previous and following lines.
| Returns | A generator which yields two-tuples. Each tuple gives a source line number and the contents of that source line. | |
Render the source line indicated by self.frame and several surrounding lines. The active line will be given a class of "snippetHighlightLine". Other lines will be given a class of "snippetLine".