Page content

How to modify a page
>>> page = pywikibot.Page(pywikibot.Site(), 'Sample page')
>>> new_content = page.text.replace('this', 'that')
>>> page.put(new_content, summary='Bot: Test edit')

See Using pywikibot as library for more advanced samples.

How to get links from summary section of page
>>> import pywikibot
>>> from pwikibot import textlib
>>> site = pywikibot.Site('wikipedia:en')  # create a Site object
>>> page = pywikibot.Page(site, 'Deep learning')  # create a Page object
>>> sect = textlib.extract_sections(page.text, site)  # divide content into sections
>>> links = sorted('title') for link in pywikibot.link_regex.finditer(sect.head))
>>> pages = [pywikibot.Page(site, title) for title in links]

links is a list containing all link titles in alphabethical order. pages is a sorted list containing all Page objects