mirror of
http://git.carcosa.net/jmcbray/brutaldon.git
synced 2024-11-12 18:08:40 -05:00
Move utility functions out of views.py
This commit is contained in:
Jason McBrayer
parent
0c5f79c3f6
commit
223f3149cd
1
.gitignore
vendored
1
.gitignore
vendored
@ -115,4 +115,5 @@ node_modules
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package-lock.json
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yarn.lock
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/db.sqlite3-*
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*~
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215
brutaldon/utils.py
Normal file
215
brutaldon/utils.py
Normal file
@ -0,0 +1,215 @@
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from requests import Session
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from django.conf import settings as django_settings
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from brutaldon.models import Client, Account
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from mastodon import Mastodon, MastodonAPIError
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from django.http import HttpResponseRedirect
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import re
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global sessons_cache
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sessions_cache = {}
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VISIBILITIES = ["direct", "private", "unlisted", "public"]
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class NotLoggedInException(Exception):
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pass
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class LabeledList(list):
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"""A subclass of list that can accept additional attributes"""
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def __new__(self, *args, **kwargs):
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return super(LabeledList, self).__new__(self, args, kwargs)
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def __init(self, *args, **kwargs):
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if len(args) == 1 and hasattr(args[0], "__iter__"):
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list.__init__(self, args[0])
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else:
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list.__init__(self, args)
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self.__dict__.update(kwargs)
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def __call(self, **kwargs):
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self.__dict__.update(kwargs)
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return self
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###
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### Utility functions
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###
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def get_session(domain):
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if domain in sessions_cache:
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return sessions_cache[domain]
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else:
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s = Session()
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sessions_cache[domain] = s
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return s
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def get_usercontext(request, feature_set="mainline"):
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if is_logged_in(request):
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try:
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client = Client.objects.get(api_base_id=request.session["active_instance"])
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user = Account.objects.get(username=request.session["active_username"])
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except (
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Client.DoesNotExist,
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Client.MultipleObjectsReturned,
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Account.DoesNotExist,
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Account.MultipleObjectsReturned,
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):
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raise NotLoggedInException()
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mastodon = Mastodon(
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client_id=client.client_id,
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client_secret=client.client_secret,
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access_token=user.access_token,
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api_base_url=client.api_base_id,
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session=get_session(client.api_base_id),
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ratelimit_method="throw",
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feature_set=feature_set,
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)
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return user, mastodon
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else:
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return None, None
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def is_logged_in(request):
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return request.session.has_key("active_user")
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def _notes_count(account, mastodon):
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if not mastodon:
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return ""
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notes = mastodon.notifications(limit=40)
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if account.preferences.filter_notifications:
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notes = [
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note for note in notes if note.type == "mention" or note.type == "follow"
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]
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for index, item in enumerate(notes):
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if account.note_seen is None:
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account.note_seen = "0"
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account.save()
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if str(item.id) <= str(account.note_seen):
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break
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else:
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index = "40+"
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return str(index)
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def br_login_required(function=None, home_url=None, redirect_field_name=None):
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"""Check that the user is logged in to a Mastodon instance.
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This decorator ensures that the view functions it is called on can be
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accessed only by logged in users. When an instanceless user accesses
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such a protected view, they are redirected to the address specified in
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the field named in `next_field` or, lacking such a value, the URL in
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`home_url`, or the `ANONYMOUS_HOME_URL` setting.
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"""
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if home_url is None:
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home_url = django_settings.ANONYMOUS_HOME_URL
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def _dec(view_func):
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def _view(request, *args, **kwargs):
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def not_logged_in():
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url = None
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if redirect_field_name and redirect_field_name in request.REQUEST:
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url = request.REQUEST[redirect_field_name]
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if not url:
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url = home_url
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if not url:
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url = "/"
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return HttpResponseRedirect(url)
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if not is_logged_in(request):
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return not_logged_in()
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else:
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try:
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return view_func(request, *args, **kwargs)
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except MastodonAPIError:
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# mastodon must have expired our session
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return not_logged_in()
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_view.__name__ = view_func.__name__
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_view.__dict__ = view_func.__dict__
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_view.__doc__ = view_func.__doc__
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return _view
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if function is None:
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return _dec
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else:
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return _dec(function)
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def min_visibility(visibility1, visibility2):
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return VISIBILITIES[
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min(VISIBILITIES.index(visibility1), VISIBILITIES.index(visibility2))
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]
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def get_filters(mastodon, context=None):
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try:
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if context:
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return [ff for ff in mastodon.filters() if context in ff.context]
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else:
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return mastodon.filters()
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except:
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return []
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def toot_matches_filters(toot, filters=[]):
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if not filters:
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return False
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def maybe_rewrite_filter(filter):
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if filter.whole_word:
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return f"\\b{filter.phrase}\\b"
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else:
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return filter.phrase
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phrases = [maybe_rewrite_filter(x) for x in filters]
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pattern = "|".join(phrases)
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try:
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if toot.get("type") in ["reblog", "favourite"]:
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return re.search(
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pattern, toot.status.spoiler_text + toot.status.content, re.I
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)
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return re.search(pattern, toot.spoiler_text + toot.content, re.I)
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except:
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return False
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def switch_accounts(request, new_account):
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"""Try to switch accounts to the specified account, if it is already in
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the user's session. Sets up new session variables. Returns boolean success
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code."""
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accounts_dict = request.session.get("accounts_dict")
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if not accounts_dict or not new_account in accounts_dict.keys():
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return False
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try:
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account = Account.objects.get(id=accounts_dict[new_account]["account_id"])
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if account.username != new_account:
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return False
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except Account.DoesNotExist:
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return False
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request.session["active_username"] = account.username
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request.session["active_instance"] = account.client.api_base_id
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account, mastodon = get_usercontext(request)
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request.session["active_user"] = mastodon.account_verify_credentials()
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accounts_dict[new_account]["user"] = request.session["active_user"]
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request.session["accounts_dict"] = accounts_dict
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return True
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def same_username(account, acct, username):
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if acct == username:
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return True
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try:
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user, host = username.split("@", 1)
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except ValueError:
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user, host = username, ""
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myhost = account.username.split("@", 1)[1]
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if acct == user and host == myhost:
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return True
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return False
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@ -4,7 +4,6 @@ from django.conf import settings as django_settings
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from django.shortcuts import render, redirect
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from django.urls import reverse
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from django.views.decorators.cache import never_cache, cache_page
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from django.core.files.uploadhandler import TemporaryFileUploadHandler
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from django.utils.translation import gettext as _
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from brutaldon.forms import (
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LoginForm,
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@ -21,149 +20,26 @@ from mastodon import (
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MastodonAPIError,
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MastodonNotFoundError,
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)
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from brutaldon.utils import (
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NotLoggedInException,
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LabeledList,
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get_usercontext,
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_notes_count,
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br_login_required,
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min_visibility,
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get_filters,
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switch_accounts,
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toot_matches_filters,
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same_username,
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)
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from urllib import parse
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from itertools import groupby
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from inscriptis import get_text
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from time import sleep
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from requests import Session
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import re
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class NotLoggedInException(Exception):
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pass
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class LabeledList(list):
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"""A subclass of list that can accept additional attributes"""
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def __new__(self, *args, **kwargs):
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return super(LabeledList, self).__new__(self, args, kwargs)
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def __init(self, *args, **kwargs):
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if len(args) == 1 and hasattr(args[0], "__iter__"):
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list.__init__(self, args[0])
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else:
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list.__init__(self, args)
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self.__dict__.update(kwargs)
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def __call(self, **kwargs):
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self.__dict__.update(kwargs)
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return self
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global sessons_cache
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sessions_cache = {}
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VISIBILITIES = ["direct", "private", "unlisted", "public"]
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###
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### Utility functions
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###
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def get_session(domain):
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if domain in sessions_cache:
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return sessions_cache[domain]
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else:
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s = Session()
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sessions_cache[domain] = s
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return s
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def get_usercontext(request, feature_set="mainline"):
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if is_logged_in(request):
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try:
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client = Client.objects.get(api_base_id=request.session["active_instance"])
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user = Account.objects.get(username=request.session["active_username"])
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except (
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Client.DoesNotExist,
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Client.MultipleObjectsReturned,
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Account.DoesNotExist,
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Account.MultipleObjectsReturned,
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):
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raise NotLoggedInException()
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mastodon = Mastodon(
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client_id=client.client_id,
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client_secret=client.client_secret,
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access_token=user.access_token,
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api_base_url=client.api_base_id,
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session=get_session(client.api_base_id),
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ratelimit_method="throw",
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feature_set=feature_set,
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)
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return user, mastodon
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else:
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return None, None
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def is_logged_in(request):
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return request.session.has_key("active_user")
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def _notes_count(account, mastodon):
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if not mastodon:
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return ""
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notes = mastodon.notifications(limit=40)
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if account.preferences.filter_notifications:
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notes = [
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note for note in notes if note.type == "mention" or note.type == "follow"
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]
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for index, item in enumerate(notes):
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if account.note_seen is None:
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account.note_seen = "0"
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account.save()
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if str(item.id) <= str(account.note_seen):
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break
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else:
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index = "40+"
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return str(index)
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def br_login_required(function=None, home_url=None, redirect_field_name=None):
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"""Check that the user is logged in to a Mastodon instance.
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This decorator ensures that the view functions it is called on can be
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accessed only by logged in users. When an instanceless user accesses
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such a protected view, they are redirected to the address specified in
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the field named in `next_field` or, lacking such a value, the URL in
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`home_url`, or the `ANONYMOUS_HOME_URL` setting.
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"""
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if home_url is None:
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home_url = django_settings.ANONYMOUS_HOME_URL
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def _dec(view_func):
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def _view(request, *args, **kwargs):
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def not_logged_in():
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url = None
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if redirect_field_name and redirect_field_name in request.REQUEST:
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url = request.REQUEST[redirect_field_name]
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if not url:
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url = home_url
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if not url:
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url = "/"
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return HttpResponseRedirect(url)
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if not is_logged_in(request):
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return not_logged_in()
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else:
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try:
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return view_func(request, *args, **kwargs)
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except MastodonAPIError:
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# mastodon must have expired our session
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return not_logged_in()
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_view.__name__ = view_func.__name__
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_view.__dict__ = view_func.__dict__
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_view.__doc__ = view_func.__doc__
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return _view
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if function is None:
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return _dec
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else:
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return _dec(function)
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def user_search(request):
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check = request.POST.get("status", "").split()
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if len(check):
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@ -191,12 +67,6 @@ def user_search_inner(request, query):
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)
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def min_visibility(visibility1, visibility2):
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return VISIBILITIES[
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min(VISIBILITIES.index(visibility1), VISIBILITIES.index(visibility2))
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]
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def timeline(
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request,
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timeline="home",
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@ -253,61 +123,6 @@ def timeline(
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)
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def get_filters(mastodon, context=None):
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try:
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if context:
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return [ff for ff in mastodon.filters() if context in ff.context]
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else:
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return mastodon.filters()
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except:
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return []
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def toot_matches_filters(toot, filters=[]):
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if not filters:
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return False
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def maybe_rewrite_filter(filter):
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if filter.whole_word:
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return f"\\b{filter.phrase}\\b"
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else:
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return filter.phrase
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phrases = [maybe_rewrite_filter(x) for x in filters]
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pattern = "|".join(phrases)
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try:
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if toot.get("type") in ["reblog", "favourite"]:
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return re.search(
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pattern, toot.status.spoiler_text + toot.status.content, re.I
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)
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return re.search(pattern, toot.spoiler_text + toot.content, re.I)
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except:
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return False
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def switch_accounts(request, new_account):
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"""Try to switch accounts to the specified account, if it is already in
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the user's session. Sets up new session variables. Returns boolean success
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code."""
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accounts_dict = request.session.get("accounts_dict")
|
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if not accounts_dict or not new_account in accounts_dict.keys():
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return False
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try:
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account = Account.objects.get(id=accounts_dict[new_account]["account_id"])
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if account.username != new_account:
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return False
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except Account.DoesNotExist:
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return False
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request.session["active_username"] = account.username
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request.session["active_instance"] = account.client.api_base_id
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account, mastodon = get_usercontext(request)
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request.session["active_user"] = mastodon.account_verify_credentials()
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accounts_dict[new_account]["user"] = request.session["active_user"]
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request.session["accounts_dict"] = accounts_dict
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return True
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def forget_account(request, account_name):
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"""Forget that you were logged into an account. If it's the last one, log out
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entirely. Sets up session variables. Returns a redirect to the correct
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@ -718,19 +533,6 @@ def thread(request, id):
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)
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def same_username(account, acct, username):
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if acct == username:
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return True
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try:
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user, host = username.split("@", 1)
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except ValueError:
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user, host = username, ""
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myhost = account.username.split("@", 1)[1]
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if acct == user and host == myhost:
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return True
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return False
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@br_login_required
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def user(request, username, prev=None, next=None):
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try:
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