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models.py
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models.py
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# Copyright © Michal Čihař <michal@weblate.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
import re
import uuid
from collections import defaultdict
from functools import cache as functools_cache
from itertools import chain
from typing import TYPE_CHECKING, Literal
import sentry_sdk
from appconf import AppConf
from django.conf import settings
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
from django.contrib.auth.hashers import make_password
from django.contrib.auth.models import Group as DjangoGroup
from django.db import models
from django.db.models import Prefetch, Q, UniqueConstraint
from django.db.models.functions import Upper
from django.db.models.signals import m2m_changed, post_save
from django.dispatch import receiver
from django.http import Http404, HttpRequest
from django.urls import reverse
from django.utils import timezone
from django.utils.functional import cached_property
from django.utils.translation import gettext, gettext_lazy, pgettext
from social_core.backends.utils import load_backends
from weblate.auth.data import (
ACL_GROUPS,
GLOBAL_PERM_NAMES,
PERMISSION_NAMES,
SELECTION_ALL,
SELECTION_ALL_PROTECTED,
SELECTION_ALL_PUBLIC,
SELECTION_COMPONENT_LIST,
SELECTION_MANUAL,
)
from weblate.auth.permissions import SPECIALS, check_global_permission, check_permission
from weblate.auth.utils import (
create_anonymous,
format_address,
is_django_permission,
migrate_groups,
migrate_permissions,
migrate_roles,
)
from weblate.lang.models import Language
from weblate.trans.defines import FULLNAME_LENGTH, USERNAME_LENGTH
from weblate.trans.fields import RegexField
from weblate.trans.models import Component, ComponentList, Project
from weblate.utils.decorators import disable_for_loaddata
from weblate.utils.fields import EmailField, UsernameField
from weblate.utils.search import parse_query
from weblate.utils.validators import CRUD_RE, validate_fullname, validate_username
if TYPE_CHECKING:
from weblate.auth.permissions import PermissionResult
PermissionCacheType = dict[int, list[tuple[set[str] | None, set[Language] | None]]]
class Permission(models.Model):
codename = models.CharField(max_length=100, unique=True)
name = models.CharField(max_length=200)
class Meta:
verbose_name = "Permission"
verbose_name_plural = "Permissions"
def __str__(self) -> str:
name = gettext(self.name)
if self.codename in GLOBAL_PERM_NAMES:
return gettext("%s (site-wide permission)") % name
return name
class Role(models.Model):
name = models.CharField(
verbose_name=gettext_lazy("Name"), max_length=200, unique=True
)
permissions = models.ManyToManyField(
Permission,
verbose_name=gettext_lazy("Permissions"),
blank=True,
help_text=gettext_lazy("Choose permissions granted to this role."),
)
class Meta:
verbose_name = "Role"
verbose_name_plural = "Roles"
def __str__(self) -> str:
return pgettext("Access-control role", self.name)
class GroupQuerySet(models.QuerySet["Group"]):
def order(self):
"""Ordering in project scope by priority."""
return self.order_by("defining_project__name", "name")
class Group(models.Model):
name = models.CharField(gettext_lazy("Name"), max_length=150)
roles = models.ManyToManyField(
Role,
verbose_name=gettext_lazy("Roles"),
blank=True,
help_text=gettext_lazy("Choose roles granted to this team."),
)
defining_project = models.ForeignKey(
"trans.Project",
related_name="defined_groups",
on_delete=models.deletion.CASCADE,
null=True,
blank=True,
)
project_selection = models.IntegerField(
verbose_name=gettext_lazy("Project selection"),
choices=(
(SELECTION_MANUAL, gettext_lazy("As defined")),
(SELECTION_ALL, gettext_lazy("All projects")),
(SELECTION_ALL_PUBLIC, gettext_lazy("All public projects")),
(SELECTION_ALL_PROTECTED, gettext_lazy("All protected projects")),
(SELECTION_COMPONENT_LIST, gettext_lazy("From component list")),
),
default=SELECTION_MANUAL,
)
projects = models.ManyToManyField(
"trans.Project", verbose_name=gettext_lazy("Projects"), blank=True
)
components = models.ManyToManyField(
"trans.Component",
verbose_name=gettext_lazy("Components"),
blank=True,
help_text=gettext_lazy(
"Empty selection grants access to all components in project scope."
),
)
componentlists = models.ManyToManyField(
"trans.ComponentList",
verbose_name=gettext_lazy("Component lists"),
blank=True,
)
language_selection = models.IntegerField(
verbose_name=gettext_lazy("Language selection"),
choices=(
(SELECTION_MANUAL, gettext_lazy("As defined")),
(SELECTION_ALL, gettext_lazy("All languages")),
),
default=SELECTION_MANUAL,
)
languages = models.ManyToManyField(
"lang.Language", verbose_name=gettext_lazy("Languages"), blank=True
)
internal = models.BooleanField(
verbose_name=gettext_lazy("Internal Weblate team"), default=False
)
admins = models.ManyToManyField(
"weblate_auth.User",
verbose_name=gettext_lazy("Team administrators"),
blank=True,
help_text=gettext_lazy(
"The administrator can add or remove users from a team."
),
related_name="administered_group_set",
)
objects = GroupQuerySet.as_manager()
class Meta:
verbose_name = "Group"
verbose_name_plural = "Groups"
def __str__(self) -> str:
if self.defining_project:
return pgettext("Per-project access-control team name", self.name)
return pgettext("Access-control team name", self.name)
def save(self, *args, **kwargs) -> None:
super().save(*args, **kwargs)
if self.language_selection == SELECTION_ALL:
self.languages.clear()
if self.project_selection in {
SELECTION_ALL,
SELECTION_ALL_PUBLIC,
SELECTION_ALL_PROTECTED,
}:
self.projects.clear()
elif self.project_selection == SELECTION_COMPONENT_LIST:
self.projects.set(
Project.objects.filter(
component__componentlist__in=self.componentlists.all()
),
clear=True,
)
def get_absolute_url(self):
return reverse("team", kwargs={"pk": self.pk})
def long_name(self):
if self.defining_project:
return f"{self.defining_project} / {self}"
return str(self)
class UserManager(BaseUserManager["User"]):
def _create_user(self, username, email, password, **extra_fields):
"""Create and save a User with the given fields."""
if not username:
raise ValueError("The given username must be set")
email = self.normalize_email(email)
username = self.model.normalize_username(username)
user = self.model(username=username, email=email, **extra_fields)
user.set_password(password)
user.save(using=self._db)
return user
def create_user(self, username, email=None, password=None, **extra_fields):
extra_fields.setdefault("is_superuser", False)
return self._create_user(username, email, password, **extra_fields)
def create_superuser(self, username, email, password, **extra_fields):
extra_fields.setdefault("is_superuser", True)
if extra_fields.get("is_superuser") is not True:
raise ValueError("Superuser must have is_superuser=True.")
return self._create_user(username, email, password, **extra_fields)
def get_or_create_bot(self, scope: str, username: str, verbose: str):
return self.get_or_create(
username=f"{scope}:{username}",
defaults={
"is_bot": True,
"full_name": verbose,
"email": f"noreply-{scope}-{username}@weblate.org",
"is_active": False,
"password": make_password(None),
},
)[0]
class UserQuerySet(models.QuerySet["User"]):
def having_perm(self, perm, project):
"""
All users having explicit permission on a project.
Note: This intentionally does not list superusers or site-wide permissions
given using project_selection.
"""
return self.filter(
groups__roles__permissions__codename=perm, groups__projects=project
).distinct()
def all_admins(self, project):
"""All admins in a project."""
return self.having_perm("project.edit", project)
def order(self):
return self.order_by("username")
def search(self, query: str, parser: str = "user", **context):
"""High level wrapper for searching."""
if parser == "plain":
result = self.filter(
Q(username__icontains=query) | Q(full_name__icontains=query)
)
else:
result = self.filter(parse_query(query, parser=parser, **context))
return result.distinct()
@functools_cache
def get_anonymous() -> User:
"""Return an anonymous user."""
return User.objects.select_related("profile").get(
username=settings.ANONYMOUS_USER_NAME
)
def convert_groups(objs):
"""Convert Django Group objects to Weblate ones."""
objs = list(objs)
for idx, obj in enumerate(objs):
if isinstance(obj, DjangoGroup):
objs[idx] = Group.objects.get_or_create(name=obj.name)[0]
return objs
def wrap_group(func):
"""Replace Django Group instances by Weblate Group instances."""
def group_wrapper(self, *objs, **kwargs):
objs = convert_groups(objs)
return func(self, *objs, **kwargs)
return group_wrapper
def wrap_group_list(func):
"""Replace Django Group instances by Weblate Group instances."""
def group_list_wrapper(self, objs, **kwargs):
objs = convert_groups(objs)
return func(self, objs, **kwargs)
return group_list_wrapper
class GroupManyToManyField(models.ManyToManyField):
"""Customized field to accept Django Groups objects as well."""
def contribute_to_class(self, cls, name, **kwargs) -> None:
super().contribute_to_class(cls, name, **kwargs)
# Get related descriptor
descriptor = getattr(cls, self.name)
# We care only on forward relation
if not descriptor.reverse:
# We are running in a migration
if isinstance(descriptor.rel.model, str):
return
# Get related manager class
related_manager_cls = descriptor.related_manager_cls
# Monkey patch it to accept Django Group instances as well
related_manager_cls.add = wrap_group(related_manager_cls.add)
related_manager_cls.remove = wrap_group(related_manager_cls.remove)
related_manager_cls.set = wrap_group_list(related_manager_cls.set)
class User(AbstractBaseUser):
username = UsernameField(
gettext_lazy("Username"),
max_length=USERNAME_LENGTH,
unique=True,
help_text=gettext_lazy(
"Username may only contain letters, "
"numbers or the following characters: @ . + - _"
),
validators=[validate_username],
error_messages={
"unique": gettext_lazy("A user with that username already exists.")
},
)
full_name = models.CharField(
gettext_lazy("Full name"),
max_length=FULLNAME_LENGTH,
blank=False,
validators=[validate_fullname],
)
email = EmailField(
gettext_lazy("E-mail"),
blank=False,
null=True,
unique=True,
)
is_superuser = models.BooleanField(
gettext_lazy("Superuser status"),
default=False,
help_text=gettext_lazy("User has all possible permissions."),
)
is_active = models.BooleanField(
gettext_lazy("Active"),
default=True,
help_text=gettext_lazy("Mark user as inactive instead of removing."),
)
is_bot = models.BooleanField(
"Robot user",
default=False,
db_index=True,
)
date_expires = models.DateTimeField(
gettext_lazy("Expires"), null=True, blank=True, default=None
)
date_joined = models.DateTimeField(
gettext_lazy("Date joined"), default=timezone.now
)
groups = GroupManyToManyField(
Group,
verbose_name=gettext_lazy("Teams"),
blank=True,
help_text=gettext_lazy(
"The user is granted all permissions included in "
"membership of these teams."
),
)
objects = UserManager.from_queryset(UserQuerySet)()
EMAIL_FIELD = "email"
USERNAME_FIELD = "username"
REQUIRED_FIELDS = ["email", "full_name"]
DUMMY_FIELDS = ("first_name", "last_name", "is_staff")
class Meta:
verbose_name = "User"
verbose_name_plural = "Users"
constraints = [
UniqueConstraint(Upper("username"), name="weblate_auth_user_username_ci"),
UniqueConstraint(Upper("email"), name="weblate_auth_user_email_ci"),
]
def __str__(self) -> str:
return self.full_name
def save(self, *args, **kwargs) -> None:
from weblate.accounts.models import AuditLog
original = None
if self.pk:
original = User.objects.get(pk=self.pk)
if self.is_anonymous:
self.is_active = False
# Generate full name from parts
# This is needed with LDAP authentication when the
# server does not contain full name
if "first_name" in self.extra_data and "last_name" in self.extra_data:
self.full_name = "{first_name} {last_name}".format(**self.extra_data)
elif "first_name" in self.extra_data:
self.full_name = self.extra_data["first_name"]
elif "last_name" in self.extra_data:
self.full_name = self.extra_data["last_name"]
if not self.email:
self.email = None
super().save(*args, **kwargs)
self.clear_cache()
if (
original
and original.is_active != self.is_active
and self.full_name != "Deleted User"
and not self.is_anonymous
):
AuditLog.objects.create(
user=self,
request=None,
activity="enabled" if self.is_active else "disabled",
)
def get_absolute_url(self):
return reverse("user_page", kwargs={"user": self.username})
def __init__(self, *args, **kwargs) -> None:
self.extra_data = {}
self.cla_cache = {}
self._permissions: dict[
Literal["projects", "components"], PermissionCacheType
] = {}
self.current_subscription = None
for name in self.DUMMY_FIELDS:
if name in kwargs:
self.extra_data[name] = kwargs.pop(name)
super().__init__(*args, **kwargs)
def clear_cache(self) -> None:
self.cla_cache = {}
self._permissions = {}
perm_caches = (
"project_permissions",
"component_permissions",
"allowed_projects",
"needs_component_restrictions_filter",
"needs_project_filter",
"watched_projects",
"owned_projects",
"managed_projects",
)
for name in perm_caches:
if name in self.__dict__:
del self.__dict__[name]
def has_usable_password(self):
# For some reason Django says that empty string is a valid password
return self.password and super().has_usable_password()
@cached_property
def is_anonymous(self):
return self.username == settings.ANONYMOUS_USER_NAME
@cached_property
def is_authenticated(self) -> bool: # type: ignore[override]
return not self.is_anonymous
def get_full_name(self):
return self.full_name
def get_short_name(self):
return self.full_name
def __setattr__(self, name, value) -> None:
"""Mimic first/last name for third-party auth and ignore is_staff flag."""
if name in self.DUMMY_FIELDS:
self.extra_data[name] = value
else:
super().__setattr__(name, value)
def has_module_perms(self, module):
"""Compatibility API for admin interface."""
return self.is_superuser
@property
def is_staff(self):
"""Compatibility API for admin interface."""
return self.is_superuser
@property
def first_name(self) -> str:
"""Compatibility API for third-party modules."""
return ""
@property
def last_name(self):
"""Compatibility API for third-party modules."""
return self.full_name
def has_perms(self, perm_list, obj=None) -> bool:
return all(self.has_perm(perm, obj) for perm in perm_list)
def has_perm(self, perm: str, obj=None) -> PermissionResult | bool:
"""Permission check."""
# Weblate global scope permissions
if perm in GLOBAL_PERM_NAMES:
return check_global_permission(self, perm)
# Compatibility API for admin interface
if is_django_permission(perm):
if not self.is_superuser:
return False
# Check permissions restrictions
allowed = settings.AUTH_RESTRICT_ADMINS.get(self.username)
return allowed is None or perm in allowed
# Validate perms
if perm not in SPECIALS and perm not in PERMISSION_NAMES:
raise ValueError(f"Invalid permission: {perm}")
# Special permission functions
if perm in SPECIALS:
return SPECIALS[perm](self, perm, obj)
# Generic permission
return check_permission(self, perm, obj)
def can_access_project(self, project):
"""Check access to given project."""
if self.is_superuser:
return True
return self.get_project_permissions(project) != []
def get_project_permissions(self, project):
# Build a fresh list as we need to merge them
result = []
# This relies on project_permission being defaultdict(list)
result.extend(self.project_permissions[project.pk])
# Apply blocking
if result == [(None, None)]:
return []
if project.access_control == Project.ACCESS_PUBLIC:
result.extend(self.project_permissions[-SELECTION_ALL_PUBLIC])
elif project.access_control == Project.ACCESS_PROTECTED:
result.extend(self.project_permissions[-SELECTION_ALL_PROTECTED])
result.extend(self.project_permissions[-SELECTION_ALL])
return result
def check_access(self, project) -> None:
"""Raise an error if user is not allowed to access this project."""
if not self.can_access_project(project):
raise Http404("Access denied")
def can_access_component(self, component):
"""Check access to given component."""
if self.is_superuser:
return True
if not self.can_access_project(component.project):
return False
return not component.restricted or component.pk in self.component_permissions
def check_access_component(self, component) -> None:
"""Raise an error if user is not allowed to access this component."""
if not self.can_access_component(component):
raise Http404("Access denied")
@cached_property
def allowed_projects(self):
"""List of allowed projects."""
if self.is_superuser:
return Project.objects.order()
# All public and protected projects are accessible
acls = {Project.ACCESS_PUBLIC, Project.ACCESS_PROTECTED}
if -SELECTION_ALL in self.project_permissions:
acls.add(Project.ACCESS_PRIVATE)
acls.add(Project.ACCESS_CUSTOM)
condition = Q(access_control__in=acls)
# Add project-specific allowance
restricted = {-SELECTION_ALL_PUBLIC, -SELECTION_ALL_PROTECTED, -SELECTION_ALL}
project_ids = {key for key in self.project_permissions if key not in restricted}
if project_ids:
condition |= Q(pk__in=project_ids)
return Project.objects.filter(condition).order()
@cached_property
def needs_component_restrictions_filter(self):
if self.is_superuser:
return False
return self.allowed_projects.filter(component__restricted=True).exists()
@cached_property
def needs_project_filter(self):
if self.is_superuser:
return False
return self.allowed_projects.count() != Project.objects.all().count()
@cached_property
def watched_projects(self):
"""
List of watched projects.
Ensure ACL filtering applies (the user could have been removed
from the project meanwhile)
"""
return (self.profile.watched.all() & self.allowed_projects).order()
@cached_property
def owned_projects(self):
return self.projects_with_perm("project.edit", explicit=True)
@cached_property
def managed_projects(self):
return self.projects_with_perm("project.edit")
@cached_property
def administered_group_ids(self):
return set(self.administered_group_set.values_list("id", flat=True))
def _fetch_permissions(self) -> None:
"""Fetch all user permissions into a dictionary."""
projects: PermissionCacheType = defaultdict(list)
components: PermissionCacheType = defaultdict(list)
with sentry_sdk.start_span(op="permissions", description=self.username):
for group in self.groups.prefetch_related(
"roles__permissions",
Prefetch(
"componentlists__components",
queryset=Component.objects.only("id", "project_id"),
),
Prefetch(
"components",
queryset=Component.objects.all().only("id", "project_id"),
),
Prefetch(
"projects", queryset=Project.objects.only("id", "access_control")
),
Prefetch("languages", queryset=Language.objects.only("id")),
):
if group.language_selection == SELECTION_ALL:
languages = None
else:
languages = {language.id for language in group.languages.all()}
permissions = {
permission.codename
for permission in chain.from_iterable(
role.permissions.all() for role in group.roles.all()
)
}
# Component list specific permissions
componentlist_values = {
(component.id, component.project_id)
for component in chain.from_iterable(
clist.components.all() for clist in group.componentlists.all()
)
}
if group.componentlists.exists():
for component, project in componentlist_values:
components[component].append((permissions, languages))
# Grant access to the project
projects[project].append((set(), languages))
continue
# Component specific permissions
component_values = {
(component.id, component.project_id)
for component in group.components.all()
}
if component_values:
for component, project in component_values:
components[component].append((permissions, languages))
# Grant access to the project
projects[project].append((set(), languages))
continue
# Handle project selection
if group.project_selection in {
SELECTION_ALL_PUBLIC,
SELECTION_ALL_PROTECTED,
SELECTION_ALL,
}:
projects[-group.project_selection].append((permissions, languages))
else:
# Project specific permissions
for project in group.projects.all():
projects[project.id].append((permissions, languages))
# Apply blocking
now = timezone.now()
for block in self.userblock_set.all():
if block.expiry is not None and block.expiry <= now:
# Delete expired blocks
block.delete()
else:
# Remove all permissions for blocked user
projects[block.project_id] = [(None, None)]
self._permissions = {"projects": projects, "components": components}
@cached_property
def project_permissions(self) -> PermissionCacheType:
"""List all project permissions."""
if not self._permissions:
self._fetch_permissions()
return self._permissions["projects"]
@cached_property
def component_permissions(self) -> PermissionCacheType:
"""List all project permissions."""
if not self._permissions:
self._fetch_permissions()
return self._permissions["components"]
@cached_property
def global_permissions(self) -> set[str]:
return set(
Permission.objects.filter(
role__group__user=self, codename__in=GLOBAL_PERM_NAMES
).values_list("codename", flat=True)
)
def projects_with_perm(self, perm: str, explicit: bool = False):
if not explicit and self.is_superuser:
return Project.objects.all().order()
# Explicit permissions
condition = Q(group__user=self) & Q(group__roles__permissions__codename=perm)
# Site-wide permissions
if not explicit:
for access, selection in (
(Project.ACCESS_PUBLIC, -SELECTION_ALL_PUBLIC),
(Project.ACCESS_PROTECTED, -SELECTION_ALL_PROTECTED),
(None, -SELECTION_ALL),
):
if any(
perm in permissions
for permissions, _langs in self.project_permissions[selection]
):
if access is None:
condition = Q()
break
condition |= Q(access_control=access)
return Project.objects.filter(condition).distinct().order()
def get_visible_name(self) -> str:
"""Get full name from database or username."""
if not self.full_name or CRUD_RE.match(self.full_name):
return self.username
return self.full_name
def get_author_name(self, address: str | None = None) -> str:
"""Return formatted author name with e-mail."""
return format_address(
self.get_visible_name(), address or self.profile.get_commit_email()
)
def add_team(self, request: AuthenticatedHttpRequest | None, team: Group) -> None:
from weblate.accounts.models import AuditLog
self.groups.add(team)
AuditLog.objects.create(
user=self,
request=request if request is not None and request.user == self else None,
activity="team-add",
username=request.user.username
if request is not None and request.user
else None,
team=team.name,
)
def remove_team(
self, request: AuthenticatedHttpRequest | None, team: Group
) -> None:
from weblate.accounts.models import AuditLog
self.groups.remove(team)
AuditLog.objects.create(
user=self,
request=request if request is not None and request.user == self else None,
activity="team-remove",
username=request.user.username
if request is not None and request.user
else None,
team=team.name,
)
class AutoGroup(models.Model):
match = RegexField(
verbose_name=gettext_lazy("Regular expression for e-mail address"),
max_length=200,
default="^$",
help_text=gettext_lazy(
"Users with e-mail addresses found to match will be added to this team."
),
)
group = models.ForeignKey(
Group,
verbose_name=gettext_lazy("Team to assign"),
on_delete=models.deletion.CASCADE,
)
class Meta:
verbose_name = "Automatic team assignment"
verbose_name_plural = "Automatic team assignments"
def __str__(self) -> str:
return f"Automatic rule for {self.group}"
class UserBlock(models.Model):
user = models.ForeignKey(
User,
verbose_name=gettext_lazy("User to block"),
on_delete=models.deletion.CASCADE,
db_index=False,
)
project = models.ForeignKey(
Project, verbose_name=gettext_lazy("Project"), on_delete=models.deletion.CASCADE
)
expiry = models.DateTimeField(gettext_lazy("Block expiry"), null=True)
class Meta:
verbose_name = "Blocked user"
verbose_name_plural = "Blocked users"
unique_together = [("user", "project")]
def __str__(self) -> str:
return f"{self.user} blocked for {self.project}"
def create_groups(update) -> None:
"""Create standard groups and gives them permissions."""
# Create permissions and roles
migrate_permissions(Permission)
new_roles = migrate_roles(Role, Permission)
builtin_groups = migrate_groups(Group, Role, update)
# Create anonymous user
create_anonymous(User, Group, update)
# Automatic assignment to the users group
group = builtin_groups["Users"]
if not AutoGroup.objects.filter(group=group).exists():
AutoGroup.objects.create(group=group, match="^.*$")
group = builtin_groups["Viewers"]
if not AutoGroup.objects.filter(group=group).exists():
AutoGroup.objects.create(group=group, match="^.*$")
# Create new per project groups
if new_roles:
for project in Project.objects.iterator():
setup_project_groups(Project, project, new_roles=new_roles)
def sync_create_groups(sender, **kwargs) -> None:
"""Create default groups."""
create_groups(False)
def auto_assign_group(user) -> None:
"""Automatic group assignment based on user e-mail address."""
if user.username == settings.ANONYMOUS_USER_NAME:
return
# Add user to automatic groups
for auto in AutoGroup.objects.prefetch_related("group"):
if re.match(auto.match, user.email or ""):
user.add_team(None, auto.group)
@receiver(m2m_changed, sender=ComponentList.components.through)
@disable_for_loaddata
def change_componentlist(sender, instance, action, **kwargs) -> None:
if not action.startswith("post_"):
return
groups = Group.objects.filter(
componentlists=instance, project_selection=SELECTION_COMPONENT_LIST
)
for group in groups:
group.projects.set(
Project.objects.filter(component__componentlist=instance), clear=True
)
@receiver(m2m_changed, sender=User.groups.through)
def remove_group_admin(sender, instance, action, pk_set, reverse, **kwargs) -> None:
if action != "post_remove":
return
for pk in pk_set:
if reverse:
group = instance
user = User.objects.get(pk=pk)
else:
group = Group.objects.get(pk=pk)
user = instance
group.admins.remove(user)
@receiver(post_save, sender=User)
@disable_for_loaddata
def auto_group_upon_save(sender, instance, created=False, **kwargs) -> None:
"""Apply automatic group assignment rules."""
if created:
auto_assign_group(instance)
@receiver(post_save, sender=Project)
@disable_for_loaddata
def setup_project_groups(
sender,
instance,
created: bool = False,
new_roles: set[str] | None = None,
**kwargs,
) -> None:
"""Set up group objects upon saving project."""
old_access_control = instance.old_access_control
instance.old_access_control = instance.access_control
# Handle no groups as newly created project
if not created and not instance.defined_groups.exists():
created = True
# No changes needed
if old_access_control == instance.access_control and not created and not new_roles:
return
# Do not pefrom anything with custom ACL
if instance.access_control == Project.ACCESS_CUSTOM:
return
# Choose groups to configure
if instance.access_control == Project.ACCESS_PUBLIC:
groups = {"Administration", "Review"}
else:
groups = set(ACL_GROUPS.keys())
# Remove review group if review is not enabled
if not instance.source_review and not instance.translation_review:
groups.remove("Review")
# Remove billing if billing is not installed
if "weblate.billing" not in settings.INSTALLED_APPS:
groups.discard("Billing")
# Filter only newly introduced groups
if new_roles:
groups = {group for group in groups if ACL_GROUPS[group] in new_roles}
# Access control changed
elif not created and (
instance.access_control == Project.ACCESS_PUBLIC
or old_access_control in {Project.ACCESS_PROTECTED, Project.ACCESS_PRIVATE}
):
# Avoid changing groups on some access control changes:
# - Public groups are always present, so skip change on changing to public
# - Change between protected/private means no change in groups
return
# Create role specific groups
for group_name in groups:
group, created = instance.defined_groups.get_or_create(
internal=True,
name=group_name,
project_selection=SELECTION_MANUAL,
defining_project=instance,
language_selection=SELECTION_ALL,
)
if not created:
continue
group.projects.add(instance)