* [https://github.com/gramps-project/gramps/blob/892fc270592095192947097d22a72834d5c70447/gramps/gen/plug/_pluginreg.py#L297-L299 {{man label|requires_mod}}], [https://github.com/gramps-project/gramps/blob/892fc270592095192947097d22a72834d5c70447/gramps/gen/plug/_pluginreg.py#L300-L303 {{man label|requires_gi}}], [https://github.com/gramps-project/gramps/blob/892fc270592095192947097d22a72834d5c70447/gramps/gen/plug/_pluginreg.py#L304-L306 {{man label|requires_exe}}] = האם קיימות דרישות קדם לתוסף.

2. קובץ הריצה [[Quick_Views#siblings.py|siblings.py]].