Update user pages (adopter or adoptee of the Wikipedia:Adopt-a-user project) according to their availability according to their activity and edit count.

enWikiAdoptUserTemp.py

# Script written by Gabriel Lee Chi Hong
# English Wikipedia user page: https://en.wikipedia.org/wiki/User:Gabrielchihonglee
#
# Written in March, 2018 (Just before my public exam, DSE)
# BRFA: https://en.wikipedia.org/wiki/Wikipedia:Bots/Requests_for_approval/Gabrielchihonglee-Bot_6
#
# Published under the terms of MIT License
# https://choosealicense.com/licenses/mit/

from __future__ import unicode_literals
import pywikibot
import mwparserfromhell
import datetime
import time
import traceback
import re
import json
import requests

site = pywikibot.Site('en','wikipedia','Gabrielchihonglee-Bot')

# Function to check last edit
# Function to get edit count
#
# Remove {{adoptme}} / {{adopting}} for all user whos last edit > 30 days
# If removed, add new section in talk pages
#
# Talk page message draft:
# TEST: Hi there,\nI'm messaging you to let you know that I've removed <<<Template name>>> from your user page because <<<Reason>>>. If you are active again, you are welcome to add the template to your userpage anytime.

def inactive(username):
    username = username.split('/')[0]
    contribs = site.usercontribs(username,total=1)
    for contrib in contribs:
        lastedit = datetime.datetime.strptime(contrib.get('timestamp'),'%Y-%m-%dT%H:%M:%SZ')
        limit = datetime.datetime.now() - datetime.timedelta(days=30)
        inactive = limit > lastedit
        return inactive

def not_enough_edits(username):
    not_enough_edits = False
    username = username.split('/')[0]
    response = requests.get('https://xtools.wmflabs.org/api/user/simple_editcount/en.wikipedia/' + username[5:])
    edit_count = json.loads(response.text)['liveEditCount']
    if edit_count < 500:
        not_enough_edits = True
    return not_enough_edits

def leave_message(username,template_name,reason):
    username = username.split('/')[0]
    page = pywikibot.Page(site, username[:4] + ' talk' + username[4:])
    print(page.title())
    old_code = mwparserfromhell.parse(page.text)
    code = mwparserfromhell.parse(page.text)
    code.append("\n\n== Changes in your adoption status ==\nHi there,\nI'm messaging you to let you know that I've removed [[Template:" + template_name + "]] from your user page because " + reason + ". If you are active again, you are welcome to add the template to your userpage anytime. -- [[User:Gabrielchihonglee-Bot|Gabrielchihonglee-Bot]] ([[User talk:Gabrielchihonglee-Bot|talk]]) " + datetime.datetime.utcnow().strftime('%H:%M, %-d %B %Y (UTC)'))
    pywikibot.showDiff(old_code, code)
    page.text = code
    summary_text = 'BOT (in trial): Notifying user about change in his/her adoption status'
    page.save(summary_text)

########################
##### ADOPTEE PART #####
########################

adoptee_cat = pywikibot.Category(site, title='Category:Wikipedians seeking to be adopted in Adopt-a-user')
adoptee_list = adoptee_cat.members(namespaces=2)
adoptme_template = re.compile(r'(?i)Adopt( )?me')
for adoptee in adoptee_list:
    removed = False
    username = adoptee.title()
    print(username)
    if inactive(username) == True:
        page = pywikibot.Page(site, username)
        old_code = mwparserfromhell.parse(page.text)
        code = mwparserfromhell.parse(page.text)
        for template in code.filter_templates(recursive=False):
            template_name = template.name.strip()
            if adoptme_template.match(template_name):
                code.remove(template)
                pywikibot.showDiff(old_code, code)
                page.text = code
                summary_text = 'BOT (in trial): Remove [[Template:Adopt me]] from inactive users (no edits in 30 days)'
                page.save(summary_text)
                removed = True
                break
        if removed == True: leave_message(username,template_name,'you have been inactive for at least 30 days')

########################
##### ADOPTOR PART #####
########################

adoptor_cat = pywikibot.Category(site, title='Category:Wikipedians seeking to adopt in Adopt-a-user')
adoptor_list = adoptor_cat.members(namespaces=2)
adopting_template = re.compile(r'(?i)Adopting')
for adoptor in adoptor_list:
    removed = False
    username = adoptor.title()
    print(username)
    if inactive(username) == True or not_enough_edits(username) == True:
        page = pywikibot.Page(site, username)
        old_code = mwparserfromhell.parse(page.text)
        code = mwparserfromhell.parse(page.text)
        for template in code.filter_templates(recursive=False):
            template_name = template.name.strip()
            if adopting_template.match(template_name):
                code.remove(template)
                pywikibot.showDiff(old_code, code)
                page.text = code
                summary_text = 'BOT (in trial): Remove [[Template:Adopting]] from inactive users (no edits in 30 days / edit count less than 500)'
                page.save(summary_text)
                removed = True
                break
        if removed == True:
            inactive_text = ''
            not_enough_edits_text = ''
            if inactive(username) == True:
                inactive_text = 'you have been inactive for at least 30 days'
            if not_enough_edits(username) == True:
                not_enough_edits_text = 'you have less than 500 edit count'
            if inactive(username) == True and not_enough_edits(username) == True:
                reason_text = inactive_text + ' and ' + not_enough_edits_text
            else:
                reason_text = inactive_text + not_enough_edits_text
            leave_message(username,template_name,reason_text)