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|
# Patchwork - automated patch tracking system
# Copyright (C) 2008 Jeremy Kerr <jk@ozlabs.org>
#
# This file is part of the Patchwork package.
#
# Patchwork is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Patchwork is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Patchwork; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from django.db import models
from django.contrib.auth.models import User
from django.core.urlresolvers import reverse
from django.contrib.sites.models import Site
from django.conf import settings
from django.utils.functional import cached_property
from patchwork.parser import hash_patch, extract_tags
import re
import datetime, time
import random
from collections import Counter, OrderedDict
class Person(models.Model):
email = models.CharField(max_length=255, unique = True)
name = models.CharField(max_length=255, null = True, blank = True)
user = models.ForeignKey(User, null = True, blank = True,
on_delete = models.SET_NULL)
def __unicode__(self):
if self.name:
return u'%s <%s>' % (self.name, self.email)
else:
return self.email
def link_to_user(self, user):
self.name = user.profile.name()
self.user = user
class Meta:
verbose_name_plural = 'People'
class Project(models.Model):
linkname = models.CharField(max_length=255, unique=True)
name = models.CharField(max_length=255, unique=True)
listid = models.CharField(max_length=255, unique=True)
listemail = models.CharField(max_length=200)
web_url = models.CharField(max_length=2000, blank=True)
scm_url = models.CharField(max_length=2000, blank=True)
webscm_url = models.CharField(max_length=2000, blank=True)
send_notifications = models.BooleanField(default=False)
use_tags = models.BooleanField(default=True)
def __unicode__(self):
return self.name
def is_editable(self, user):
if not user.is_authenticated():
return False
return self in user.profile.maintainer_projects.all()
@cached_property
def tags(self):
if not self.use_tags:
return []
return list(Tag.objects.all())
class Meta:
ordering = ['linkname']
class UserProfile(models.Model):
user = models.OneToOneField(User, unique = True, related_name='profile')
primary_project = models.ForeignKey(Project, null = True, blank = True)
maintainer_projects = models.ManyToManyField(Project,
related_name = 'maintainer_project')
send_email = models.BooleanField(default = False,
help_text = 'Selecting this option allows patchwork to send ' +
'email on your behalf')
patches_per_page = models.PositiveIntegerField(default = 100,
null = False, blank = False,
help_text = 'Number of patches to display per page')
def name(self):
if self.user.first_name or self.user.last_name:
names = filter(bool, [self.user.first_name, self.user.last_name])
return u' '.join(names)
return self.user.username
def contributor_projects(self):
submitters = Person.objects.filter(user = self.user)
return Project.objects.filter(id__in =
Patch.objects.filter(
submitter__in = submitters)
.values('project_id').query)
def sync_person(self):
pass
def n_todo_patches(self):
return self.todo_patches().count()
def todo_patches(self, project = None):
# filter on project, if necessary
if project:
qs = Patch.objects.filter(project = project)
else:
qs = Patch.objects
qs = qs.filter(archived = False) \
.filter(delegate = self.user) \
.filter(state__in =
State.objects.filter(action_required = True)
.values('pk').query)
return qs
def __unicode__(self):
return self.name()
def _user_saved_callback(sender, created, instance, **kwargs):
try:
profile = instance.profile
except UserProfile.DoesNotExist:
profile = UserProfile(user = instance)
profile.save()
models.signals.post_save.connect(_user_saved_callback, sender = User)
class State(models.Model):
name = models.CharField(max_length = 100)
ordering = models.IntegerField(unique = True)
action_required = models.BooleanField(default = True)
def __unicode__(self):
return self.name
class Meta:
ordering = ['ordering']
class HashField(models.CharField):
__metaclass__ = models.SubfieldBase
def __init__(self, algorithm = 'sha1', *args, **kwargs):
self.algorithm = algorithm
try:
import hashlib
def _construct(string = ''):
return hashlib.new(self.algorithm, string)
self.construct = _construct
self.n_bytes = len(hashlib.new(self.algorithm).hexdigest())
except ImportError:
modules = { 'sha1': 'sha', 'md5': 'md5'}
if algorithm not in modules.keys():
raise NameError("Unknown algorithm '%s'" % algorithm)
self.construct = __import__(modules[algorithm]).new
self.n_bytes = len(self.construct().hexdigest())
kwargs['max_length'] = self.n_bytes
super(HashField, self).__init__(*args, **kwargs)
def db_type(self, connection=None):
return 'char(%d)' % self.n_bytes
class Tag(models.Model):
name = models.CharField(max_length=20)
pattern = models.CharField(max_length=50,
help_text='A simple regex to match the tag in the content of '
'a message. Will be used with MULTILINE and IGNORECASE '
'flags. eg. ^Acked-by:')
abbrev = models.CharField(max_length=2, unique=True,
help_text='Short (one-or-two letter) abbreviation for the tag, '
'used in table column headers')
def __unicode__(self):
return self.name
@property
def attr_name(self):
return 'tag_%d_count' % self.id
class Meta:
ordering = ['abbrev']
class PatchTag(models.Model):
patch = models.ForeignKey('Patch')
tag = models.ForeignKey('Tag')
count = models.IntegerField(default=1)
class Meta:
unique_together = [('patch', 'tag')]
def get_default_initial_patch_state():
return State.objects.get(ordering=0)
class PatchQuerySet(models.query.QuerySet):
def with_tag_counts(self, project):
if not project.use_tags:
return self
# We need the project's use_tags field loaded for Project.tags().
# Using prefetch_related means we'll share the one instance of
# Project, and share the project.tags cache between all patch.project
# references.
qs = self.prefetch_related('project')
select = OrderedDict()
select_params = []
for tag in project.tags:
select[tag.attr_name] = ("coalesce("
"(SELECT count FROM patchwork_patchtag "
"WHERE patchwork_patchtag.patch_id=patchwork_patch.id "
"AND patchwork_patchtag.tag_id=%s), 0)")
select_params.append(tag.id)
return qs.extra(select=select, select_params=select_params)
class PatchManager(models.Manager):
use_for_related_fields = True
def get_queryset(self):
return PatchQuerySet(self.model, using=self.db)
def with_tag_counts(self, project):
return self.get_queryset().with_tag_counts(project)
class Patch(models.Model):
project = models.ForeignKey(Project)
msgid = models.CharField(max_length=255)
name = models.CharField(max_length=255)
date = models.DateTimeField(default=datetime.datetime.now)
submitter = models.ForeignKey(Person)
delegate = models.ForeignKey(User, blank = True, null = True)
state = models.ForeignKey(State, default=get_default_initial_patch_state)
archived = models.BooleanField(default = False)
headers = models.TextField(blank = True)
content = models.TextField(null = True, blank = True)
pull_url = models.CharField(max_length=255, null = True, blank = True)
commit_ref = models.CharField(max_length=255, null = True, blank = True)
hash = HashField(null = True, blank = True)
tags = models.ManyToManyField(Tag, through=PatchTag)
objects = PatchManager()
def __unicode__(self):
return self.name
def comments(self):
return Comment.objects.filter(patch = self)
def _set_tag(self, tag, count):
if count == 0:
self.patchtag_set.filter(tag=tag).delete()
return
(patchtag, _) = PatchTag.objects.get_or_create(patch=self, tag=tag)
if patchtag.count != count:
patchtag.count = count
patchtag.save()
def refresh_tag_counts(self):
tags = self.project.tags
counter = Counter()
for comment in self.comment_set.all():
counter = counter + extract_tags(comment.content, tags)
for tag in tags:
self._set_tag(tag, counter[tag])
def save(self):
try:
s = self.state
except:
self.state = State.objects.get(ordering = 0)
if self.hash is None and self.content is not None:
self.hash = hash_patch(self.content).hexdigest()
super(Patch, self).save()
def is_editable(self, user):
if not user.is_authenticated():
return False
if self.submitter.user == user or self.delegate == user:
return True
return self.project.is_editable(user)
def filename(self):
fname_re = re.compile('[^-_A-Za-z0-9\.]+')
str = fname_re.sub('-', self.name)
return str.strip('-') + '.patch'
@models.permalink
def get_absolute_url(self):
return ('patchwork.views.patch.patch', (), {'patch_id': self.id})
class Meta:
verbose_name_plural = 'Patches'
ordering = ['date']
unique_together = [('msgid', 'project')]
class Comment(models.Model):
patch = models.ForeignKey(Patch)
msgid = models.CharField(max_length=255)
submitter = models.ForeignKey(Person)
date = models.DateTimeField(default = datetime.datetime.now)
headers = models.TextField(blank = True)
content = models.TextField()
response_re = re.compile( \
'^(Tested|Reviewed|Acked|Signed-off|Nacked|Reported)-by: .*$',
re.M | re.I)
def patch_responses(self):
return ''.join([ match.group(0) + '\n' for match in
self.response_re.finditer(self.content)])
def save(self, *args, **kwargs):
super(Comment, self).save(*args, **kwargs)
self.patch.refresh_tag_counts()
def delete(self, *args, **kwargs):
super(Comment, self).delete(*args, **kwargs)
self.patch.refresh_tag_counts()
class Meta:
ordering = ['date']
unique_together = [('msgid', 'patch')]
class Bundle(models.Model):
owner = models.ForeignKey(User)
project = models.ForeignKey(Project)
name = models.CharField(max_length = 50, null = False, blank = False)
patches = models.ManyToManyField(Patch, through = 'BundlePatch')
public = models.BooleanField(default = False)
def n_patches(self):
return self.patches.all().count()
def ordered_patches(self):
return self.patches.order_by('bundlepatch__order')
def append_patch(self, patch):
# todo: use the aggregate queries in django 1.1
orders = BundlePatch.objects.filter(bundle = self).order_by('-order') \
.values('order')
if len(orders) > 0:
max_order = orders[0]['order']
else:
max_order = 0
# see if the patch is already in this bundle
if BundlePatch.objects.filter(bundle = self, patch = patch).count():
raise Exception("patch is already in bundle")
bp = BundlePatch.objects.create(bundle = self, patch = patch,
order = max_order + 1)
bp.save()
class Meta:
unique_together = [('owner', 'name')]
def public_url(self):
if not self.public:
return None
site = Site.objects.get_current()
return 'http://%s%s' % (site.domain,
reverse('patchwork.views.bundle.bundle',
kwargs = {
'username': self.owner.username,
'bundlename': self.name
}))
@models.permalink
def get_absolute_url(self):
return ('patchwork.views.bundle.bundle', (), {
'username': self.owner.username,
'bundlename': self.name,
})
class BundlePatch(models.Model):
patch = models.ForeignKey(Patch)
bundle = models.ForeignKey(Bundle)
order = models.IntegerField()
class Meta:
unique_together = [('bundle', 'patch')]
ordering = ['order']
class EmailConfirmation(models.Model):
validity = datetime.timedelta(days = settings.CONFIRMATION_VALIDITY_DAYS)
type = models.CharField(max_length = 20, choices = [
('userperson', 'User-Person association'),
('registration', 'Registration'),
('optout', 'Email opt-out'),
])
email = models.CharField(max_length = 200)
user = models.ForeignKey(User, null = True)
key = HashField()
date = models.DateTimeField(default = datetime.datetime.now)
active = models.BooleanField(default = True)
def deactivate(self):
self.active = False
self.save()
def is_valid(self):
return self.date + self.validity > datetime.datetime.now()
def save(self):
max = 1 << 32
if self.key == '':
str = '%s%s%d' % (self.user, self.email, random.randint(0, max))
self.key = self._meta.get_field('key').construct(str).hexdigest()
super(EmailConfirmation, self).save()
class EmailOptout(models.Model):
email = models.CharField(max_length = 200, primary_key = True)
def __unicode__(self):
return self.email
@classmethod
def is_optout(cls, email):
email = email.lower().strip()
return cls.objects.filter(email = email).count() > 0
class PatchChangeNotification(models.Model):
patch = models.OneToOneField(Patch, primary_key = True)
last_modified = models.DateTimeField(default = datetime.datetime.now)
orig_state = models.ForeignKey(State)
def _patch_change_callback(sender, instance, **kwargs):
# we only want notification of modified patches
if instance.pk is None:
return
if instance.project is None or not instance.project.send_notifications:
return
try:
orig_patch = Patch.objects.get(pk = instance.pk)
except Patch.DoesNotExist:
return
# If there's no interesting changes, abort without creating the
# notification
if orig_patch.state == instance.state:
return
notification = None
try:
notification = PatchChangeNotification.objects.get(patch = instance)
except PatchChangeNotification.DoesNotExist:
pass
if notification is None:
notification = PatchChangeNotification(patch = instance,
orig_state = orig_patch.state)
elif notification.orig_state == instance.state:
# If we're back at the original state, there is no need to notify
notification.delete()
return
notification.last_modified = datetime.datetime.now()
notification.save()
models.signals.pre_save.connect(_patch_change_callback, sender = Patch)
|