Files
PointsBot/pointsbot/bot.py
2020-01-15 11:07:13 -08:00

161 lines
5.5 KiB
Python

'''
A bot for Reddit to award points to helpful subreddit members.
Copyright (C) 2020 Collin U. Rapp
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
'''
import re
import praw
from . import comment, database
### Globals ###
# SUBREDDIT_NAME = 'MinecraftHelp'
SUBREDDIT_NAME = 'GlipGlorp7BotTests'
PRAW_SITE_NAME = 'testbot'
# TODO Make LEVELS a dict instead
# TODO Could also make a Level class or namedtuple that contains more info, e.g.
# flair css or template id
LEVELS = [
('Helper', 5),
('Trusted Helper', 15),
('Super Helper', 40),
]
### Main Function ###
def run():
# Connect to Reddit
reddit = praw.Reddit(site_name=PRAW_SITE_NAME)
subreddit = reddit.subreddit(SUBREDDIT_NAME)
# xdebugx
print(f'Connected to reddit as {reddit.user.me()}')
print(f'Read-only? {reddit.read_only}')
print(f'Watching subreddit {subreddit.title}')
print(f'Mod? {bool(subreddit.moderator(redditor=reddit.user.me()))}')
database.init()
# Initialize database
#if not database.exists():
#database.create()
# The pattern to look for in comments when determining whether to award a point
# solved_pat = re.compile('!solved', re.IGNORECASE)
solved_pat = re.compile('![Ss]olved')
# Monitor new comments for confirmed solutions
for comm in subreddit.stream.comments(skip_existing=True):
# xdebugx
print('Found comment')
print(f'Comment text: "{comm.body}"')
if marks_as_solved(comm, solved_pat):
# Ensure that this is the first "!solved" comment in the thread
submission = comm.submission
# Retrieve any comments hidden by "more comments"
submission.comments.replace_more(limit=0)
# Search the flattened comments tree
is_first_solution = True
for subcomm in submission.comments.list():
# if (subcomm.is_submitter
# and subcomm.id != comm.id
# and not subcomm.is_root
# and solved_pat.search(subcomm.body)
# and subcomm.created_utc < comm.created_utc):
if (subcomm.id != comm.id
and marks_as_solved(subcomm, solved_pat)
and subcomm.created_utc < comm.created_utc):
# There is an earlier comment for the same submission
# already marked as a solution by the OP
is_first_solution = False
break
if not is_first_solution:
# Skip this "!solved" comment and wait for the next
# xdebugx
print('This is not the first solution')
continue
# xdebugx
print('This is the first solution')
print_solution_info(comm)
solution = comm.parent()
solver = solution.author
print(f'Adding point for {solver.name}')
database.add_point(solver)
points = database.get_redditor_points(solver)
print(f'Points for {solver.name}: {points}')
# Reply to the comment containing the solution
reply_body = comment.make(solver, points, LEVELS)
print(f'Replying with: "{reply_body}"')
solution.reply(reply_body)
# Check if (non-mod) user flair should be updated to new level
for levelname, levelpoints in LEVELS:
# If the redditor's points total is equal to one of the levels,
# that means they just reached that level
if points == levelpoints:
print('User reached new level')
if not subreddit.moderator(redditor=solver):
# TODO can also use the keyword arg css_class *or*
# flair_template_id to style the flair
print(f'Setting flair text to {levelname}')
subreddit.flair.set(solver, text=levelname)
else:
# xdebugx
print('Don\'t update flair b/c user is mod')
# Don't need to check the rest of the levels
break
else:
# xdebugx
print('Not a "!solved" comment')
### Auxiliary Functions ###
def marks_as_solved(comment, solved_pattern):
'''Return True if not top-level comment, from OP, contains "!Solved"; False
otherwise.
'''
#comment.refresh()
return (not comment.is_root
and comment.is_submitter
and solved_pattern.search(comment.body))
### Debugging ###
def print_solution_info(comm):
print('Submission solved')
print('\tSolution comment:')
print(f'\t\tAuthor: {comm.parent().author.name}')
print(f'\t\tBody: {comm.parent().body}')
print('\t"Solved" comment:')
print(f'\t\tAuthor: {comm.author.name}')
print(f'\t\tBody: {comm.body}')