7db4e36752
Set default value to be False for message's has_image Update type signature to functions. Set default to be false for msg's has_link.
331 lines
13 KiB
Python
Executable file
331 lines
13 KiB
Python
Executable file
#!/usr/bin/env python
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import os
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import json
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import hashlib
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import sys
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import argparse
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import shutil
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import subprocess
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from typing import Any, Dict, List
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# stubs
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user_profile_stub = Dict[str, Any]
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added_users_stub = Dict[str, int]
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# Transported from https://github.com/zulip/zulip/blob/master/zerver/lib/export.py
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def rm_tree(path: str) -> None:
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if os.path.exists(path):
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shutil.rmtree(path)
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def users2zerver_userprofile(slack_dir: str, realm_id: int, timestamp: Any,
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domain_name: str) -> (List[user_profile_stub], added_users_stub):
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"""
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Returns:
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1. zerver_userprofile, which is a list of user profile
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2. added_users, which is a dictionary to map from slack user id to zulip
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user id
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"""
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print('######### IMPORTING USERS STARTED #########\n')
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users = json.load(open(slack_dir + '/users.json'))
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zerver_userprofile = []
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added_users = {}
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user_id_count = 1
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for user in users:
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slack_user_id = user['id']
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profile = user['profile']
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DESKTOP_NOTIFICATION = True
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# email
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if 'email' not in profile:
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email = (hashlib.blake2b(user['real_name'].encode()).hexdigest() +
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"@%s" % (domain_name))
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else:
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email = profile['email']
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# avatar
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# ref: https://chat.zulip.org/help/change-your-avatar
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avatar_source = 'U'
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if 'gravatar.com' in profile['image_32']:
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# use the avatar from gravatar
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avatar_source = 'G'
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# userprofile's quota is hardcoded as per
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# https://github.com/zulip/zulip/blob/e1498988d9094961e6f9988fb308b3e7310a8e74/zerver/migrations/0059_userprofile_quota.py#L18
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userprofile = dict(
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enable_desktop_notifications=DESKTOP_NOTIFICATION,
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is_staff=user.get('is_admin', False),
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avatar_source=avatar_source,
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is_bot=user.get('is_bot', False),
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avatar_version=1,
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autoscroll_forever=False,
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default_desktop_notifications=True,
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timezone=user.get("tz", ""),
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default_sending_stream=None,
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enable_offline_email_notifications=True,
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user_permissions=[], # This is Zulip-specific
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is_mirror_dummy=False,
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pointer=-1,
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default_events_register_stream=None,
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is_realm_admin=user.get('is_owner', False),
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invites_granted=0,
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enter_sends=True,
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bot_type=1 if user.get('is_bot', False) else None,
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enable_stream_sounds=False,
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is_api_super_user=False,
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rate_limits="",
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last_login=timestamp,
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tos_version=None,
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default_all_public_streams=False,
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full_name=user.get('real_name', user['name']),
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twenty_four_hour_time=False,
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groups=[], # This is Zulip-specific
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muted_topics=[],
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enable_online_push_notifications=False,
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alert_words="[]",
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# bot_owner=None, # This is Zulip-specific
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short_name=user['name'],
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enable_offline_push_notifications=True,
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left_side_userlist=False,
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enable_stream_desktop_notifications=False,
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enable_digest_emails=True,
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last_pointer_updater="",
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email=email,
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date_joined=timestamp,
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last_reminder=timestamp,
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is_superuser=False,
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tutorial_status="T",
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default_language="en",
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enable_sounds=True,
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pm_content_in_desktop_notifications=True,
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is_active=user['deleted'],
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onboarding_steps="[]",
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emojiset="google",
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emoji_alt_code=False,
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realm=realm_id,
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quota=1073741824,
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invites_used=0,
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id=user_id_count)
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# TODO map the avatar
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# zerver auto-infer the url from Gravatar instead of from a specified
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# url; zerver.lib.avatar needs to be patched
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# profile['image_32'], Slack has 24, 32, 48, 72, 192, 512 size range
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zerver_userprofile.append(userprofile)
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added_users[slack_user_id] = user_id_count
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user_id_count += 1
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print(u"{} -> {}\nCreated\n".format(user['name'], userprofile['email']))
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print('######### IMPORTING USERS FINISHED #########\n')
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return zerver_userprofile, added_users
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def channels2zerver_stream(slack_dir, realm_id, added_users):
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# type: (Dict[str, Dict[str, str]]) -> None
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print('######### IMPORTING CHANNELS STARTED #########\n')
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channels = json.load(open(slack_dir + '/channels.json'))
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added_channels = {}
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zerver_stream = []
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stream_id_count = 1
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zerver_subscription = []
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zerver_recipient = []
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subscription_id_count = 1
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for channel in channels:
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# slack_channel_id = channel['id']
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# map Slack's topic and purpose content into Zulip's stream description.
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# WARN This mapping is lossy since the topic.creator, topic.last_set,
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# purpose.creator, purpose.last_set fields are not preserved.
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description = "topic: {}\npurpose: {}".format(channel["topic"]["value"],
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channel["purpose"]["value"])
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# construct the stream object and append it to zerver_stream
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stream = dict(
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realm=realm_id,
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name=channel["name"],
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deactivated=channel["is_archived"],
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description=description,
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invite_only=not channel["is_general"],
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date_created=channel["created"],
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id=stream_id_count)
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zerver_stream.append(stream)
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added_channels[stream['name']] = stream_id_count
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# construct the recipient object and append it zerver_recipient
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recipient = dict(
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type_id=stream_id_count,
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id=stream_id_count,
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type=2)
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zerver_recipient.append(recipient)
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# TOODO add recipients for private message and huddles
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# construct the subscription object and append it to zerver_subscription
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for member in channel['members']:
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sub = dict(
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recipient=stream_id_count,
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notifications=False,
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color="#c2c2c2",
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desktop_notifications=True,
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pin_to_top=False,
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in_home_view=True,
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active=True,
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user_profile=added_users[member],
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id=subscription_id_count)
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# proof : https://github.com/zulip/zulip/blob/master/zerver/views/messages.py#L240 &
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# https://github.com/zulip/zulip/blob/master/zerver/views/messages.py#L324
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zerver_subscription.append(sub)
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subscription_id_count += 1
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# TOODO add zerver_subscription which correspond to
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# private messages and huddles type recipient
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# For private messages/huddle:
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# sub['recipient']=recipient['id'] where recipient['type_id']=added_users[member]
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# recipient
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# type_id's
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# 1: private message
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# 2: stream
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# 3: huddle
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# TOODO currently the goal is to map Slack's standard export
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# This defaults to 2
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# TOODO do private message subscriptions between each users have to
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# be generated from scratch?
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stream_id_count += 1
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print(u"{} -> created\n".format(channel['name']))
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# TODO map Slack's pins to Zulip's stars
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# There is the security model that Slack's pins are known to the team owner
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# as evident from where it is stored at (channels)
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# "pins": [
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# {
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# "id": "1444755381.000003",
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# "type": "C",
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# "user": "U061A5N1G",
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# "owner": "U061A5N1G",
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# "created": "1444755463"
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# }
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# ],
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print('######### IMPORTING STREAMS FINISHED #########\n')
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return zerver_stream, added_channels, zerver_subscription, zerver_recipient
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def channelmessage2zerver_message(slack_dir, channel, added_users, added_channels):
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json_names = os.listdir(slack_dir + '/' + channel)
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zerver_message = []
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msg_id_count = 1
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for json_name in json_names:
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msgs = json.load(open(slack_dir + '/%s/%s' % (channel, json_name)))
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for msg in msgs:
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text = msg['text']
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try:
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user = msg.get('user', msg['file']['user'])
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except KeyError:
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# black magic, explain this later TOODOO
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user = msg['user']
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zulip_message = dict(
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sending_client=1,
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rendered_content_version=1, # This is Zulip-specific
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has_image=msg.get('has_image', False),
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subject=channel, # This is Zulip-specific
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pub_date=msg['ts'],
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id=msg_id_count,
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has_attachment=False, # attachment will be posted in the subsequent message; this is how Slack does it, less like email
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edit_history=None,
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sender=added_users[user], # map slack id to zulip id
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content=text, # TODO sanitize slack text, which contains <@msg['user']|short_name>
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rendered_content=text, # slack doesn't cache this
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recipient=added_channels[channel],
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last_edit_time=None,
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has_link=msg.get('has_link', False))
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zerver_message.append(zulip_message)
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return zerver_message
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def main(slack_zip_file: str) -> None:
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slack_dir = slack_zip_file.replace('.zip', '')
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subprocess.check_call(['unzip', slack_zip_file])
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# with zipfile.ZipFile(slack_zip_file, 'r') as zip_ref:
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# zip_ref.extractall(slack_dir)
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from datetime import datetime
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# TODO fetch realm config from zulip config
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DOMAIN_NAME = "zulipchat.com"
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REALM_ID = 1 # TODO how to find this
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REALM_NAME = "FleshEatingBatswithFangs"
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NOW = datetime.utcnow().timestamp()
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script_path = os.path.dirname(os.path.abspath(__file__)) + '/'
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zerver_realm_skeleton = json.load(open(script_path + 'zerver_realm_skeleton.json'))
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zerver_realm_skeleton[0]['id'] = REALM_ID
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zerver_realm_skeleton[0]['string_id'] = 'zulip' # subdomain / short_name of realm
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zerver_realm_skeleton[0]['name'] = REALM_NAME
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zerver_realm_skeleton[0]['date_created'] = NOW
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# Make sure the directory output is clean
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output_dir = 'zulip_data'
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rm_tree(output_dir)
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os.makedirs(output_dir)
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realm = dict(zerver_defaultstream=[], # TODO
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zerver_client=[{"name": "populate_db", "id": 1},
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{"name": "website", "id": 2},
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{"name": "API", "id": 3}],
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zerver_userpresence=[], # TODO
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zerver_userprofile_mirrordummy=[],
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zerver_realmdomain=[{"realm": REALM_ID,
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"allow_subdomains": False,
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"domain": DOMAIN_NAME,
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"id": REALM_ID}],
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zerver_useractivity=[],
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zerver_realm=zerver_realm_skeleton,
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zerver_huddle=[],
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zerver_userprofile_crossrealm=[],
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zerver_useractivityinterval=[],
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zerver_realmfilter=[],
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zerver_realmemoji=[])
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zerver_userprofile, added_users = users2zerver_userprofile(slack_dir,
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REALM_ID,
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int(NOW),
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DOMAIN_NAME)
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realm['zerver_userprofile'] = zerver_userprofile
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zerver_stream, added_channels, zerver_subscription, zerver_recipient = channels2zerver_stream(slack_dir, REALM_ID, added_users)
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realm['zerver_stream'] = zerver_stream
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realm['zerver_subscription'] = zerver_subscription
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realm['zerver_recipient'] = zerver_recipient
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# IO
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json.dump(realm, open(output_dir + '/realm.json', 'w'))
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# now for message.json
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message_json = {}
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zerver_message = []
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# TODO map zerver_usermessage
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for channel in added_channels.keys():
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zerver_message.append(channelmessage2zerver_message(slack_dir, channel,
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added_users, added_channels))
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message_json['zerver_message'] = zerver_message
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# IO
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json.dump(message_json, open(output_dir + '/message.json', 'w'))
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# TODO
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# attachments
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# remove slack dir
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rm_tree(slack_dir)
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# compress the folder
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subprocess.check_call(['zip', '-r', output_dir + '.zip', output_dir])
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# remove zulip dir
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rm_tree(output_dir)
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sys.exit(0)
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if __name__ == '__main__':
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# from django.conf import settings
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# settings_module = "settings.py"
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# os.environ['DJANGO_SETTINGS_MODULE'] = settings_module
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description = ("script to convert Slack export data into Zulip export data")
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parser = argparse.ArgumentParser(description=description)
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slack_zip_file = sys.argv[1]
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main(slack_zip_file)
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