163 lines
5.6 KiB
Python
163 lines
5.6 KiB
Python
import re
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import praw
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from . import config, database, level, reply
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### Globals ###
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USER_AGENT = 'PointsBot (by u/GlipGlorp7)'
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# The pattern that determines whether a post is marked as solved
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# Could also just use re.IGNORECASE flag
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SOLVED_PAT = re.compile('![Ss]olved')
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MOD_SOLVED_PAT = re.compile('/[Ss]olved')
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### Main Function ###
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def run():
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cfg = config.load()
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levels = cfg.levels
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db = database.Database(cfg.database_path)
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# Run indefinitely, reconnecting any time a connection is lost
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while True:
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try:
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reddit = praw.Reddit(client_id=cfg.client_id,
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client_secret=cfg.client_secret,
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username=cfg.username,
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password=cfg.password,
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user_agent=USER_AGENT)
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subreddit = reddit.subreddit(cfg.subreddit)
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print_level(0, f'Connected to Reddit as {reddit.user.me()}')
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print_level(1, f'Read-only? {reddit.read_only}')
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print_level(0, f'Watching subreddit {subreddit.title}')
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is_mod = bool(subreddit.moderator(redditor=reddit.user.me()))
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print_level(1, f'Is mod? {is_mod}')
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monitor_comments(subreddit, db)
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# Ignoring other potential exceptions for now, since we may not be able
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# to recover from them as well as from this one
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except prawcore.exceptions.ServerError as e:
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print('Lost connection to Reddit; attempting to reconnect....')
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def monitor_comments(subreddit, db):
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"""Monitor new comments in the subreddit, looking for confirmed solutions.
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"""
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# Passing pause_after=0 will bypass the internal exponential delay, but have
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# to check if any comments are returned with each query
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for comm in subreddit.stream.comments(skip_existing=True, pause_after=0):
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if comm is None:
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continue
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print_level(0, '\nFound comment')
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print_level(1, f'Comment text: "{comm.body}"')
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if not marks_as_solved(comm):
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print_level(1, 'Not a "![Ss]olved" comment')
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continue
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if is_mod_comment(comm):
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print_level(1, 'Mod comment')
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elif not is_first_solution(comm):
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# Skip this "!solved" comment and wait for the next
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print_level(1, 'Not the first solution')
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continue
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print_level(1, 'This is the first solution found')
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print_solution_info(comm)
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solver = find_solver(comm)
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db.add_point(solver)
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print_level(1, f'Added point for {solver.name}')
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points = db.get_points(solver)
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print_level(1, f'Total points for {solver.name}: {points}')
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level_info = level.user_level_info(points, levels)
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# Reply to the comment marking the submission as solved
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reply_body = reply.make(solver, points, level_info)
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comm.reply(reply_body)
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print_level(1, f'Replied to comment with: "{reply_body}"')
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# Check if (non-mod) user flair should be updated to new level
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lvl = level_info.current
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if lvl and lvl.points == points:
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print_level(1, f'User reached level: {lvl.name}')
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if not subreddit.moderator(redditor=solver):
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print_level(2, 'Setting flair')
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print_level(3, f'Flair text: {lvl.name}')
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print_level(3, f'Flair template ID: {lvl.flair_template_id}')
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subreddit.flair.set(solver,
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text=lvl.name,
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flair_template_id=lvl.flair_template_id)
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else:
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print_level(2, 'Solver is mod; don\'t alter flair')
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### Reddit Comment Functions ###
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def marks_as_solved(comment):
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'''Return True if the comment meets the criteria for marking the submission
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as solved, False otherwise.
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'''
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op_resp_to_solver = (not comment.is_root
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and comment.is_submitter
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and not comment.parent().is_submitter
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and SOLVED_PAT.search(comment.body))
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# Mod can only used MOD_SOLVED_PAT on any post, including their own
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mod_resp_to_solver = (not comment.is_root
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and comment.subreddit.moderator(redditor=comment.author)
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and MOD_SOLVED_PAT.search(comment.body))
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return op_resp_to_solver or mod_resp_to_solver
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def is_mod_comment(comment):
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return comment.subreddit.moderator(redditor=comment.author)
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def is_first_solution(solved_comment):
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'''Return True if this solved comment is the first, False otherwise.'''
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# Retrieve any comments hidden by "more comments" by passing limit=0
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submission = solved_comment.submission
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submission.comments.replace_more(limit=0)
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# Search the flattened comments tree
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for comment in submission.comments.list():
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if (comment.id != solved_comment.id
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and marks_as_solved(comment)
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and comment.created_utc < solved_comment.created_utc):
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# There is an earlier comment for the same submission
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# already marked as a solution by the OP
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return False
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return True
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def find_solver(solved_comment):
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return solved_comment.parent().author
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### Debugging & Logging ###
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def print_level(num_levels, string):
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print('\t' * num_levels + string)
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def print_solution_info(comm):
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print_level(1, 'Submission solved')
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print_level(2, 'Solution comment:')
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print_level(3, f'Author: {comm.parent().author.name}')
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print_level(3, f'Body: {comm.parent().body}')
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print_level(2, '"Solved" comment:')
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print_level(3, f'Author: {comm.author.name}')
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print_level(3, f'Body: {comm.body}')
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