mirror of https://github.com/zulip/zulip.git
279 lines
11 KiB
Python
279 lines
11 KiB
Python
import os
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import ujson
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import dateutil.parser
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import random
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import requests
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import json
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import logging
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import shutil
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import subprocess
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from django.conf import settings
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from django.forms.models import model_to_dict
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from django.utils.timezone import now as timezone_now
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from typing import Any, Dict, List, Tuple
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from zerver.models import Realm, UserProfile, Recipient
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from zerver.lib.export import MESSAGE_BATCH_CHUNK_SIZE
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from zerver.data_import.import_util import ZerverFieldsT, build_zerver_realm, \
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build_avatar, build_subscription, build_recipient, build_usermessages, \
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build_defaultstream, process_avatars, build_realm, build_stream, \
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build_message
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# stubs
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GitterDataT = List[Dict[str, Any]]
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realm_id = 0
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def gitter_workspace_to_realm(domain_name: str, gitter_data: GitterDataT,
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realm_subdomain: str) -> Tuple[ZerverFieldsT,
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List[ZerverFieldsT],
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Dict[str, int]]:
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"""
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Returns:
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1. realm, Converted Realm data
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2. avatars, which is list to map avatars to zulip avatar records.json
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3. user_map, which is a dictionary to map from gitter user id to zulip user id
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"""
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NOW = float(timezone_now().timestamp())
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zerver_realm = build_zerver_realm(realm_id, realm_subdomain, NOW, 'Gitter') # type: List[ZerverFieldsT]
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realm = build_realm(zerver_realm, realm_id, domain_name)
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zerver_userprofile, avatars, user_map = build_userprofile(int(NOW), domain_name, gitter_data)
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zerver_stream, zerver_defaultstream = build_stream_and_defaultstream(int(NOW))
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zerver_recipient, zerver_subscription = build_recipient_and_subscription(
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zerver_userprofile, zerver_stream)
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realm['zerver_userprofile'] = zerver_userprofile
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realm['zerver_stream'] = zerver_stream
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realm['zerver_defaultstream'] = zerver_defaultstream
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realm['zerver_recipient'] = zerver_recipient
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realm['zerver_subscription'] = zerver_subscription
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return realm, avatars, user_map
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def build_userprofile(timestamp: Any, domain_name: str,
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gitter_data: GitterDataT) -> Tuple[List[ZerverFieldsT],
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List[ZerverFieldsT],
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Dict[str, int]]:
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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. avatar_list, which is list to map avatars to zulip avatard records.json
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3. added_users, which is a dictionary to map from gitter user id to zulip id
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"""
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logging.info('######### IMPORTING USERS STARTED #########\n')
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zerver_userprofile = []
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avatar_list = [] # type: List[ZerverFieldsT]
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user_map = {} # type: Dict[str, int]
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user_id = 0
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for data in gitter_data:
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if data['fromUser']['id'] not in user_map:
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user_data = data['fromUser']
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user_map[user_data['id']] = user_id
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email = get_user_email(user_data, domain_name)
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build_avatar(user_id, realm_id, email, user_data['avatarUrl'],
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timestamp, avatar_list)
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# Build userprofile object
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userprofile = UserProfile(
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full_name=user_data['displayName'],
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short_name=user_data['username'],
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id=user_id,
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email=email,
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delivery_email=email,
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avatar_source='U',
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pointer=-1,
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date_joined=timestamp,
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last_login=timestamp)
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userprofile_dict = model_to_dict(userprofile)
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# Set realm id separately as the corresponding realm is not yet a Realm model
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# instance
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userprofile_dict['realm'] = realm_id
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zerver_userprofile.append(userprofile_dict)
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user_id += 1
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logging.info('######### IMPORTING USERS FINISHED #########\n')
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return zerver_userprofile, avatar_list, user_map
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def get_user_email(user_data: ZerverFieldsT, domain_name: str) -> str:
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# TODO Get user email from github
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email = ("%s@users.noreply.github.com" % user_data['username'])
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return email
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def build_stream_and_defaultstream(timestamp: Any) -> Tuple[List[ZerverFieldsT],
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List[ZerverFieldsT]]:
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logging.info('######### IMPORTING STREAM STARTED #########\n')
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# We have only one stream for gitter export
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stream_name = 'from gitter'
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stream_description = "Imported from gitter"
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stream_id = 0
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stream = build_stream(timestamp, realm_id, stream_name, stream_description,
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stream_id)
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defaultstream = build_defaultstream(realm_id=realm_id, stream_id=stream_id,
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defaultstream_id=0)
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logging.info('######### IMPORTING STREAMS FINISHED #########\n')
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return [stream], [defaultstream]
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def build_recipient_and_subscription(
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zerver_userprofile: List[ZerverFieldsT],
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zerver_stream: List[ZerverFieldsT]) -> Tuple[List[ZerverFieldsT],
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List[ZerverFieldsT]]:
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"""
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Returns:
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1. zerver_recipient, which is a list of mapped recipient
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2. zerver_subscription, which is a list of mapped subscription
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"""
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zerver_recipient = []
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zerver_subscription = []
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recipient_id = subscription_id = 0
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# For stream
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# We have only one recipient, because we have only one stream
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# Hence 'recipient_id'=0 corresponds to 'stream_id'=0
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recipient = build_recipient(0, recipient_id, Recipient.STREAM)
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zerver_recipient.append(recipient)
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for user in zerver_userprofile:
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subscription = build_subscription(recipient_id, user['id'], subscription_id)
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zerver_subscription.append(subscription)
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subscription_id += 1
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recipient_id += 1
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# For users
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for user in zerver_userprofile:
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recipient = build_recipient(user['id'], recipient_id, Recipient.PERSONAL)
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subscription = build_subscription(recipient_id, user['id'], subscription_id)
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zerver_recipient.append(recipient)
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zerver_subscription.append(subscription)
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recipient_id += 1
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subscription_id += 1
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return zerver_recipient, zerver_subscription
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def convert_gitter_workspace_messages(gitter_data: GitterDataT, output_dir: str,
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zerver_subscription: List[ZerverFieldsT],
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user_map: Dict[str, int],
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user_short_name_to_full_name: Dict[str, str],
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chunk_size: int=MESSAGE_BATCH_CHUNK_SIZE) -> None:
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"""
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Messages are stored in batches
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"""
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logging.info('######### IMPORTING MESSAGES STARTED #########\n')
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message_id = usermessage_id = 0
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recipient_id = 0 # Corresponding to stream "gitter"
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low_index = 0
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upper_index = low_index + chunk_size
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dump_file_id = 1
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while True:
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message_json = {}
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zerver_message = []
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zerver_usermessage = [] # type: List[ZerverFieldsT]
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message_data = gitter_data[low_index: upper_index]
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if len(message_data) == 0:
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break
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for message in message_data:
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message_time = dateutil.parser.parse(message['sent']).timestamp()
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mentioned_user_ids = get_usermentions(message, user_map,
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user_short_name_to_full_name)
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rendered_content = None
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subject = 'imported from gitter'
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user_id = user_map[message['fromUser']['id']]
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zulip_message = build_message(subject, float(message_time), message_id, message['text'],
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rendered_content, user_id, recipient_id)
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zerver_message.append(zulip_message)
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usermessage_id = build_usermessages(
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zerver_usermessage, usermessage_id, zerver_subscription,
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recipient_id, mentioned_user_ids, message_id)
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message_id += 1
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message_json['zerver_message'] = zerver_message
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message_json['zerver_usermessage'] = zerver_usermessage
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message_filename = os.path.join(output_dir, "messages-%06d.json" % (dump_file_id,))
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logging.info("Writing Messages to %s\n" % (message_filename,))
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write_data_to_file(os.path.join(message_filename), message_json)
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low_index = upper_index
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upper_index = chunk_size + low_index
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dump_file_id += 1
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logging.info('######### IMPORTING MESSAGES FINISHED #########\n')
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def get_usermentions(message: Dict[str, Any], user_map: Dict[str, int],
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user_short_name_to_full_name: Dict[str, str]) -> List[int]:
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mentioned_user_ids = []
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if 'mentions' in message:
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for mention in message['mentions']:
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if mention.get('userId') in user_map:
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gitter_mention = '@%s' % (mention['screenName'])
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zulip_mention = ('@**%s**' %
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(user_short_name_to_full_name[mention['screenName']]))
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message['text'] = message['text'].replace(gitter_mention, zulip_mention)
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mentioned_user_ids.append(user_map[mention['userId']])
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return mentioned_user_ids
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def do_convert_data(gitter_data_file: str, output_dir: str, threads: int=6) -> None:
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# Subdomain is set by the user while running the import commands
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realm_subdomain = ""
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domain_name = settings.EXTERNAL_HOST
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os.makedirs(output_dir, exist_ok=True)
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# output directory should be empty initially
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if os.listdir(output_dir):
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raise Exception("Output directory should be empty!")
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# Read data from the gitter file
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gitter_data = json.load(open(gitter_data_file))
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realm, avatar_list, user_map = gitter_workspace_to_realm(
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domain_name, gitter_data, realm_subdomain)
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# For user mentions
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user_short_name_to_full_name = {}
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for userprofile in realm['zerver_userprofile']:
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user_short_name_to_full_name[userprofile['short_name']] = userprofile['full_name']
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convert_gitter_workspace_messages(
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gitter_data, output_dir, realm['zerver_subscription'], user_map,
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user_short_name_to_full_name)
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avatar_folder = os.path.join(output_dir, 'avatars')
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avatar_realm_folder = os.path.join(avatar_folder, str(realm_id))
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os.makedirs(avatar_realm_folder, exist_ok=True)
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avatar_records = process_avatars(avatar_list, avatar_folder, realm_id, threads)
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attachment = {"zerver_attachment": []} # type: Dict[str, List[Any]]
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# IO realm.json
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create_converted_data_files(realm, output_dir, '/realm.json')
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# IO emoji records
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create_converted_data_files([], output_dir, '/emoji/records.json')
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# IO avatar records
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create_converted_data_files(avatar_records, output_dir, '/avatars/records.json')
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# IO uploads records
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create_converted_data_files([], output_dir, '/uploads/records.json')
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# IO attachments records
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create_converted_data_files(attachment, output_dir, '/attachment.json')
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subprocess.check_call(["tar", "-czf", output_dir + '.tar.gz', output_dir, '-P'])
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logging.info('######### DATA CONVERSION FINISHED #########\n')
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logging.info("Zulip data dump created at %s" % (output_dir))
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def create_converted_data_files(data: Any, output_dir: str, file_path: str) -> None:
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output_file = output_dir + file_path
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os.makedirs(os.path.dirname(output_file), exist_ok=True)
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json.dump(data, open(output_file, 'w'), indent=4)
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def write_data_to_file(output_file: str, data: Any) -> None:
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with open(output_file, "w") as f:
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f.write(ujson.dumps(data, indent=4))
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