For people who use Reddit, the anonymous nature of the web site lends itself to people utilizing multiple accounts. The following script can be used to copy all subreddit subscriptions and friends from a source to a destination account. Note that this script requires a specific revision of the praw API in order to copy over friends lists due to …

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copy_reddit.py

#!/usr/bin/env python3
# How to use
#  0. Install praw (virtualenv or whatever)
#  1. Put the connection params for your users in config.ini
#  e.g
#     [from]
#     username = FromUser
#     password = secret password
#     client_id = 14 character password
#     client_secret = 27 char secret
#
#     [to]
#     username = ToUser
#     password = secret password
#     client_id = 14 character password
#     client_secret = 27 char secret
#
#   2. Run it !
#       python copy_reddit.py
#

# Changelog

# 2017_02_02 - LoveIsGrief
# - Version up to 0.4
# - Use updated praw 6

# 2017_02_02 - LoveIsGrief
# - Version up to 0.3
# - Using reddit's OAuth (thanks praw)

# 2016_04_01 - LoveIsGrief
# - Version bun to 0.2
# - Multireddits supported
# - Friends functionality removed (Forever a stone)

#
# 2013 Sumit Khanna - PenguinDreams.org ( http://penguindreams.org/scripts/copy_reddit/ )
# - Version 0.1
from configparser import ConfigParser

import praw

print('\nCopy Reddit is a script for copying subreddit subscriptions and friends from')
print('Reddit account to another. -- Multiple authors\n')

user_agent = 'copy_reddit.py v0.3'

# Config must be in config.ini
config = ConfigParser()
config.read("config.ini")

if not config:
    print("Bruh...where's your config?")
    exit(1)
elif "from" not in config:
    print("Mate, you you need somewhere to copy from..")
    exit(1)
elif "to" not in config:
    print("Buddy, where are you going to copy your stuff to?")
    exit(1)

from_config = config["from"]
from_config["user_agent"] = user_agent
to_config = config["to"]
to_config["user_agent"] = user_agent

# Where to get shit from
from_reddit = praw.Reddit(**from_config)
from_user = from_reddit.user

# Where to put it
to_reddit = praw.Reddit(**to_config)
to_user = to_reddit.user

to_saved = {saved.id: saved for saved in to_user.me().saved(limit=None)}

print("\nCopying saves")
for saved in from_user.me().saved(limit=None):
    if saved.id in to_saved:
        saved.unsave()
        continue
    # Workaround to getting the submission using the other reddit instance
    # And then saving it --> One call saved
    saved._reddit = to_reddit
    saved.save()
    print("\tSaved '%s'" % saved.name)

    # Unsave so that a rerun doesn't have to do all the work again
    saved._reddit = from_reddit
    saved.unsave()

from_subreddits = sorted([str(s) for s in from_user.subreddits(limit=None)], key=str.lower)
print("Subs on source %s:" % from_user.me())
for from_subreddit in from_subreddits:
    print("\t %s" % from_subreddit)

# Split subs that are superfluous on target or already subscribed to
only_to_subreddits = []
for s in [str(s) for s in to_user.subreddits(limit=None)]:
    if s in from_subreddits:
        from_subreddits.remove(s)
    else:
        only_to_subreddits.append(s)

print("\nUnsubbing from subreddits on target %s that aren't on %s" % (to_user.me(), from_user.me()))
if len(only_to_subreddits) > 0:
    for s in only_to_subreddits:
        print("\t%s" % s)
    input("Hit ^C to cancel")
    first_subreddit = to_reddit.subreddit(only_to_subreddits.pop(0))
    first_subreddit.unsubscribe(only_to_subreddits)
    print("unsubbing done")
else:
    print("subbed to everything necessary")

print('\nCopying subscriptions to %s:' % to_user.me())
if len(from_subreddits) > 0:
    for multi_to_create in from_subreddits:
        print("\t %s" % multi_to_create)
    first_subreddit = to_reddit.subreddit(from_subreddits.pop(0))
    first_subreddit.subscribe(from_subreddits)
    print("subbing done")
else:
    print("subbed to everything already")

print('\nCopying Multireddits')
from_multireddits = sorted([m for m in from_user.multireddits()], key=str)
to_multireddits = sorted([m for m in to_user.multireddits()], key=str)
to_multireddits_names = [m.display_name for m in to_multireddits]

to_multireddits_to_create = [from_m for from_m in from_multireddits if from_m.display_name not in to_multireddits_names]

if len(to_multireddits_to_create) > 0:
    for multi_to_create in to_multireddits_to_create:
        print("\t %s" % multi_to_create.display_name)
        to_reddit.multireddit.create(multi_to_create.display_name, multi_to_create.subreddits,
                                     description_md=multi_to_create.description_md,
                                     visibility=multi_to_create.visibility,
                                     )
    print("It's done... it over")
else:
    print("All multireddits are already belong to you")

requirements.txt

praw==6.3.1
prawcore==1.0.1