-import os, tarfile, datetime
+import os, tarfile, datetime, ConfigParser, logging
+
+from django.utils.translation import ugettext as _
+from django.core.cache import cache
+
+from south.db import db
from xml.sax import make_parser
from xml.sax.handler import ContentHandler, ErrorHandler
-from exporter import TMP_FOLDER, DATETIME_FORMAT, DATE_FORMAT
+from forum.templatetags.extra_tags import diff_date
+
+from exporter import TMP_FOLDER, DATETIME_FORMAT, DATE_FORMAT, META_INF_SECTION, CACHE_KEY
from orm import orm
+import commands
NO_DEFAULT = object()
self.name = name.lower()
self.parent = parent
self.attrs = dict([(k.lower(), ContentElement(v)) for k, v in attrs.items()])
- self._content = ''
+ self._content = u''
self.sub_elements = {}
if parent:
parent.add(self)
def add_to_content(self, ch):
- self._content += ch
+ self._content += unicode(ch)
def add(self, sub):
curr = self.sub_elements.get(sub.name, None)
class TableHandler(ContentHandler):
- def __init__(self, root_name, row_name, callback, callback_args = []):
+ def __init__(self, root_name, row_name, callback, callback_args = [], ping = None):
self.root_name = root_name.lower()
self.row_name = row_name.lower()
self.callback = callback
self.callback_args = callback_args
+ self.ping = ping
self._reset()
pass
elif name == self.row_name:
self.callback(self.curr_element, *self.callback_args)
+ if self.ping:
+ self.ping()
+
self._reset()
else:
self.curr_element = self.curr_element.parent
def warning(self, e):
raise e
+def disable_triggers():
+ if db.backend_name == "postgres":
+ db.start_transaction()
+ db.execute_many(commands.PG_DISABLE_TRIGGERS)
+ db.commit_transaction()
+
+def enable_triggers():
+ if db.backend_name == "postgres":
+ db.start_transaction()
+ db.execute_many(commands.PG_ENABLE_TRIGGERS)
+ db.commit_transaction()
+
+def reset_sequences():
+ if db.backend_name == "postgres":
+ db.start_transaction()
+ db.execute_many(commands.PG_SEQUENCE_RESETS)
+ db.commit_transaction()
+
FILE_HANDLERS = []
def start_import(fname, user):
+
+ start_time = datetime.datetime.now()
+ steps = [s for s in FILE_HANDLERS]
+
+ with open(os.path.join(TMP_FOLDER, 'backup.inf'), 'r') as inffile:
+ inf = ConfigParser.SafeConfigParser()
+ inf.readfp(inffile)
+
+ state = dict([(s['id'], {
+ 'status': _('Queued'), 'count': int(inf.get(META_INF_SECTION, s['id'])), 'parsed': 0
+ }) for s in steps] + [
+ ('overall', {
+ 'status': _('Starting'), 'count': int(inf.get(META_INF_SECTION, 'overall')), 'parsed': 0
+ })
+ ])
+
+ full_state = dict(running=True, state=state, time_started="")
+
+ def set_state():
+ full_state['time_started'] = diff_date(start_time)
+ cache.set(CACHE_KEY, full_state)
+
+ set_state()
+
+ def ping_state(name):
+ state[name]['parsed'] += 1
+ state['overall']['parsed'] += 1
+ set_state()
+
+ def run(fn, name):
+ def ping():
+ ping_state(name)
+
+ state['overall']['status'] = _('Importing %s') % s['name']
+ state[name]['status'] = _('Importing')
+
+
+ fn(TMP_FOLDER, user, ping)
+
+ state[name]['status'] = _('Done')
+
+ set_state()
+
+ return fname
+
#dump = tarfile.open(fname, 'r')
#dump.extractall(TMP_FOLDER)
- for h in FILE_HANDLERS:
- h(TMP_FOLDER, user)
+ try:
+
+ disable_triggers()
+ db.start_transaction()
+
+ for h in FILE_HANDLERS:
+ run(h['fn'], h['id'])
+
+ raise Exception
+ db.commit_transaction()
+ enable_triggers()
+
+ reset_sequences()
+ except Exception, e:
+ full_state['running'] = False
+ full_state['errors'] = "%s: %s" % (e.__class__.__name__, unicode(e))
+ set_state()
+
+ import traceback
+ logging.error("Error executing xml import: \n %s" % (traceback.format_exc()))
-def file_handler(file_name, root_tag, el_tag, args_handler=None, pre_callback=None, post_callback=None):
+def file_handler(file_name, root_tag, el_tag, name, args_handler=None, pre_callback=None, post_callback=None):
def decorator(fn):
- def decorated(location, current_user):
+ def decorated(location, current_user, ping):
if pre_callback:
pre_callback(current_user)
args = []
parser = make_parser()
- handler = TableHandler(root_tag, el_tag, fn, args)
+ handler = TableHandler(root_tag, el_tag, fn, args, ping)
parser.setContentHandler(handler)
#parser.setErrorHandler(SaxErrorHandler())
if post_callback:
post_callback()
- FILE_HANDLERS.append(decorated)
+ FILE_HANDLERS.append(dict(id=root_tag, name=name, fn=decorated))
return decorated
return decorator
-@file_handler('users.xml', 'users', 'user', args_handler=lambda u: [u])
+@file_handler('users.xml', 'users', 'user', _('Users'), args_handler=lambda u: [u])
def user_import(row, current_user):
+ existent = False
+
if str(current_user.id) == row.getc('id'):
- return
+ existent = True
roles = row.get('roles').get_listc('role')
valid_email = row.get('email').get_attr('validated').as_bool()
attributes.update(dict([(str(k), v.as_bool()) for k, v in notifications.get('autoSubscribe').attrs.items()]))
attributes.update(dict([(str("notify_%s" % k), v.as_bool()) for k, v in notifications.get('notifyOnSubscribed').attrs.items()]))
- orm.SubscriptionSettings(user=user, enable_notifications=notifications.get_attr('enabled').as_bool(), **attributes).save()
+ ss = orm.SubscriptionSettings(user=user, enable_notifications=notifications.get_attr('enabled').as_bool(), **attributes)
+
+ if existent:
+ ss.id = current_user.subscription_settings.id
+
+ ss.save()
+
def pre_tag_import(user):
tag_import.tag_mappings={}
-@file_handler('tags.xml', 'tags', 'tag', pre_callback=pre_tag_import)
+@file_handler('tags.xml', 'tags', 'tag', _('Tags'), pre_callback=pre_tag_import)
def tag_import(row):
tag = orm.Tag(name=row.getc('name'), used_count=row.get('used').as_int(), created_by_id=row.get('author').as_int())
tag.save()
def post_node_import():
tag_import.tag_mappings = None
-@file_handler('nodes.xml', 'nodes', 'node', args_handler=lambda u: [tag_import.tag_mappings], post_callback=post_node_import)
+@file_handler('nodes.xml', 'nodes', 'node', _('Nodes'), args_handler=lambda u: [tag_import.tag_mappings], post_callback=post_node_import)
def node_import(row, tags):
ntags = []
added_at = row.get('date').as_datetime(),
parent_id = row.get('parent').as_int(None),
abs_parent_id = row.get('absparent').as_int(None),
+ score = row.get('score').as_int(0),
last_activity_by_id = last_act.get('by').as_int(None),
last_activity_at = last_act.get('at').as_datetime(None),
n.state_string = "".join(["(%s)" % s for s in n.states.values_list('state_type')])
n.save()
-@file_handler('actions.xml', 'actions', 'action', post_callback=post_action_import_callback)
+@file_handler('actions.xml', 'actions', 'action', _('Actions'), post_callback=post_action_import_callback)
def actions_import(row):
action = orm.Action(
id = row.get('id').as_int(),
canceled = row.get('canceled')
if canceled.get_attr('state').as_bool():
+ action.canceled = True
action.canceled_by_id = canceled.get('user').as_int()
- action.canceled_at = canceled.get('date').as_datetime(),
+ #action.canceled_at = canceled.get('date').as_datetime(),
action.canceled_ip = canceled.getc('ip')
action.save()
by_canceled = by_canceled
).save()
- if (not action.canceled) and action.action_type in POST_ACTION:
+ if (not action.canceled) and (action.action_type in POST_ACTION):
POST_ACTION[action.action_type](row, action)
return [ dict([ (b.cls, b) for b in orm.Badge.objects.all() ]) ]
-@file_handler('awards.xml', 'awards', 'award', args_handler=award_import_args)
+@file_handler('awards.xml', 'awards', 'award', _('Awards'), args_handler=award_import_args)
def awards_import(row, badges):
- award = orm.Award(
- user_id = row.get('user').as_int(),
- badge = badges[row.getc('badge')],
- node_id = row.get('node').as_int(None),
- action_id = row.get('action').as_int(None),
- trigger_id = row.get('trigger').as_int(None)
- ).save()
+ try:
+ badge_type = badges.get(row.getc('badge'), None)
+
+ if not badge_type:
+ return
+
+ award = orm.Award(
+ user_id = row.get('user').as_int(),
+ badge = badges[row.getc('badge')],
+ node_id = row.get('node').as_int(None),
+ action_id = row.get('action').as_int(None),
+ trigger_id = row.get('trigger').as_int(None)
+ ).save()
+ except Exception, e:
+ return
+
+
+@file_handler('settings.xml', 'settings', 'setting', _('Settings'))
+def settings_import(row):
+ orm.KeyValue(key=row.getc('key'), value=row.get('value').as_pickled())