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[69d856]: pyforge / pyforge / model / artifact.py Maximize Restore History

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artifact.py    434 lines (381 with data), 15.1 kB

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import re
import os
import logging
from collections import defaultdict
from time import sleep
from datetime import datetime
import cPickle as pickle
import pymongo
from pylons import c, g
from ming import Document, Session, Field
from ming import schema as S
from ming.orm.base import mapper, session, state
from ming.orm.mapped_class import MappedClass, MappedClassMeta
from ming.orm.property import FieldProperty, ForeignIdProperty, RelationProperty
from pymongo.errors import OperationFailure
from webhelpers import feedgenerator as FG
from pyforge.lib.helpers import nonce, push_config, push_context, absurl
from .session import ProjectSession
from .session import main_doc_session, main_orm_session
from .session import project_doc_session, project_orm_session
from .session import artifact_orm_session
from .types import ArtifactReference, ArtifactReferenceType
log = logging.getLogger(__name__)
def gen_message_id():
parts = c.project.url().split('/')[1:-1]
return '%s.%s@%s.sourceforge.net' % (nonce(40),
c.app.config.options['mount_point'],
'.'.join(reversed(parts)))
class ArtifactLink(MappedClass):
class __mongometa__:
session = project_orm_session
name='artifact_link'
indexes = [
('link', 'project_id') ]
core_re = r'''(\[
(?:(?P<project_id>.*?):)? # optional project ID
(?:(?P<app_id>.*?):)? # optional plugin ID
(?P<artifact_id>.*) # artifact ID
\])'''
re_link_1 = re.compile(r'\s' + core_re, re.VERBOSE)
re_link_2 = re.compile(r'^' + core_re, re.VERBOSE)
_id = FieldProperty(str)
link = FieldProperty(str)
project_id = ForeignIdProperty('Project')
plugin_name = FieldProperty(str)
mount_point = FieldProperty(str)
url = FieldProperty(str)
artifact_reference = FieldProperty(ArtifactReferenceType)
@classmethod
def add(cls, artifact):
aid = artifact.index_id()
entry = cls.query.get(_id=aid)
if entry is None:
entry = cls(_id=aid)
entry.link=artifact.shorthand_id()
entry.project_id=artifact.project_id
entry.plugin_name=artifact.app_config.plugin_name
entry.mount_point=artifact.app_config.options.mount_point
entry.url=artifact.url()
entry.artifact_reference = artifact.dump_ref()
@classmethod
def remove(cls, artifact):
mapper(cls).remove(dict(_id=artifact.index_id()))
@classmethod
def lookup(cls, link):
from .project import Project
#
# Parse the link syntax
#
m = cls.re_link_1.match(link)
if m is None: m = cls.re_link_2.match(link)
if m is None: return None
groups = m.groupdict()
project_id = groups.get('project_id', None)
app_id = groups.get('app_id', None)
artifact_id = groups.get('artifact_id', None)
if app_id is None:
app_id = project_id
project_id = None
#
# Find the projects to search
#
if project_id is None:
projects = list(c.project.parent_iter())
elif project_id.startswith('/'):
projects = Project.query.find(dict(shortname=project_id[1:])).all()
else:
project_id = os.path.normpath(
os.path.join('/' + c.project.shortname, project_id))
projects = Project.query.find(dict(shortname=project_id[1:])).all()
if not projects: return None
#
# Actually search the projects
#
with push_config(c, project=projects[0]):
for p in projects:
links = cls.query.find(dict(project_id=p._id, link=artifact_id)).all()
if app_id is None: return links[0]
for l in links:
if app_id == l.mount_point: return l
for l in links:
if app_id == l.plugin_name: return l
return None
class Feed(MappedClass):
class __mongometa__:
session = project_orm_session
name = 'artifact_feed'
_id = FieldProperty(S.ObjectId)
artifact_reference = FieldProperty(ArtifactReferenceType)
title=FieldProperty(str)
link=FieldProperty(str)
pubdate = FieldProperty(datetime, if_missing=datetime.utcnow)
description = FieldProperty(str)
unique_id = FieldProperty(str, if_missing=lambda:nonce(40))
author_name = FieldProperty(str, if_missing=lambda:c.user.display_name)
author_link = FieldProperty(str, if_missing=lambda:c.user.url())
@classmethod
def post(cls, artifact, description=None):
idx = artifact.index()
title='%s modified by %s' % (idx['title_s'], c.user.display_name)
if description is None: description = title
item = cls(artifact_reference=artifact.dump_ref(),
title=title,
description=description,
link=artifact.url())
return item
@classmethod
def feed(cls, q, feed_type, title, link, description,
since=None, until=None, offset=None, limit=None):
d = dict(title=title, link=absurl(link), description=description, language=u'en')
if feed_type == 'atom':
feed = FG.Atom1Feed(**d)
elif feed_type == 'rss':
feed = FG.Rss201rev2Feed(**d)
query = defaultdict(dict)
query.update(q)
if since is not None:
query['pubdate']['$gte'] = since
if until is not None:
query['pubdate']['$lte'] = until
cur = cls.query.find(query)
cur = cur.sort('pubdate', pymongo.DESCENDING)
if limit is not None: query = cur.limit(limit)
if offset is not None: query = cur.offset(limit)
for r in cur:
a = ArtifactReference(r.artifact_reference).to_artifact()
feed.add_item(title=r.title,
link=absurl(r.link),
pubdate=r.pubdate,
description=r.description,
unique_id=r.unique_id,
author_name=r.author_name,
author_link=absurl(r.author_link))
return feed
class Artifact(MappedClass):
class __mongometa__:
session = artifact_orm_session
name='artifact'
type_s = 'Generic Artifact'
# Artifact base schema
_id = FieldProperty(S.ObjectId)
app_config_id = ForeignIdProperty('AppConfig', if_missing=lambda:c.app.config._id)
plugin_verson = FieldProperty(
S.Object,
{ str: str },
if_missing=lambda:{c.app.config.plugin_name:c.app.__version__})
acl = FieldProperty({str:[S.ObjectId]})
tags = FieldProperty([dict(tag=str, count=int)])
references = FieldProperty([ArtifactReferenceType])
backreferences = FieldProperty({str:ArtifactReferenceType})
app_config = RelationProperty('AppConfig')
def dump_ref(self):
'''Return a pickle-serializable reference to an artifact'''
d = ArtifactReference(dict(
project_id=self.app_config.project._id,
mount_point=self.app_config.options.mount_point,
artifact_type=pymongo.bson.Binary(pickle.dumps(self.__class__)),
artifact_id=self._id))
return d
def add_tags(self, tags):
'Update the tags collection to reflect new tags added'
cur_tags = dict((t['tag'], t['count']) for t in self.tags)
for t in tags:
c = cur_tags.get(t, 0)
c += 1
cur_tags[t] = c
self.tags = [ dict(tag=k, count=v) for k,v in cur_tags.iteritems() ]
def remove_tags(self, tags):
'Update the tags collection to reflect tags removed'
cur_tags = dict((t['tag'], t['count']) for t in self.tags)
for t in tags:
c = cur_tags.get(t, 1)
c -= 1
if c:
cur_tags[t] = c
else:
cur_tags.pop(t, None)
self.tags = [ dict(tag=k, count=v) for k,v in cur_tags.iteritems() ]
@property
def project(self):
return self.app_config.project
@property
def project_id(self):
return self.app_config.project_id
@property
def app(self):
ac = self.app_config
return self.app_config.load()(self.project, self.app_config)
def give_access(self, *access_types, **kw):
user = kw.pop('user', c.user)
project = kw.pop('project', c.project)
with push_config(c, project=project):
project_role_id = user.project_role()._id
for at in access_types:
l = self.acl.setdefault(at, [])
if project_role_id not in l:
l.append(project_role_id)
def revoke_access(self, *access_types, **kw):
user = kw.pop('user', c.user)
project = kw.pop('project', c.project)
with push_config(c, project=project):
project_role_id = user.project_role()._id
for at in access_types:
l = self.acl.setdefault(at, [])
if project_role_id in l:
l.remove(project_role_id)
def index_id(self):
id = '%s.%s#%s' % (
self.__class__.__module__,
self.__class__.__name__,
self._id)
return id.replace('.', '/')
def index(self):
project = self.project
return dict(
id=self.index_id(),
title_s='Artifact %s' % self._id,
project_id_s=project._id,
project_name_t=project.name,
project_shortname_t=project.shortname,
plugin_name_s=self.app_config.plugin_name,
mount_point_s=self.app_config.options.mount_point,
is_history_b=False,
url_s=self.url(),
type_s=self.type_s,
tags_t=','.join(t['tag'] for t in self.tags),
snippet_s='')
def url(self):
raise NotImplementedError, 'url' # pragma no cover
def shorthand_id(self):
'''How to refer to this artifact within the app instance context.
For a wiki page, it might be the title. For a ticket, it might be the
ticket number. For a discussion, it might be the message ID. Generally
this should have a strong correlation to the URL.
'''
return str(self._id) # pragma no cover
class Snapshot(Artifact):
class __mongometa__:
session = artifact_orm_session
name='artifact_snapshot'
_id = FieldProperty(S.ObjectId)
artifact_id = FieldProperty(S.ObjectId)
artifact_class = FieldProperty(str)
version = FieldProperty(S.Int, if_missing=0)
author = FieldProperty(dict(
id=S.ObjectId,
username=str,
display_name=str))
timestamp = FieldProperty(datetime)
data = FieldProperty(None)
def index(self):
result = Artifact.index(self)
result.update(self.original().index())
result.update(
id=self.index_id(),
version_i=self.version,
author_username_t=self.author.username,
author_display_name_t=self.author.display_name,
timestamp_dt=self.timestamp,
is_history_b=True)
return result
def original(self):
raise NotImplemented, 'original' # pragma no cover
def shorthand_id(self):
return '%s#%s' % (self.original().shorthand_id(), self.version)
def __getattr__(self, name):
return getattr(self.data, name)
class VersionedArtifact(Artifact):
class __mongometa__:
session = artifact_orm_session
name='versioned_artifact'
history_class = Snapshot
version = FieldProperty(S.Int, if_missing=0)
def commit(self):
'''Save off a snapshot of the artifact and increment the version #'''
self.version += 1
data = dict(
artifact_id=self._id,
artifact_class='%s.%s' % (
self.__class__.__module__,
self.__class__.__name__),
version=self.version,
author=dict(
id=c.user._id,
username=c.user.username,
display_name=c.user.display_name),
timestamp=datetime.utcnow(),
data=state(self).document.deinstrumented_clone())
ss = self.__mongometa__.history_class(**data)
log.info('Snapshot version %s of %s',
self.version, self.__class__)
return ss
def get_version(self, n):
if n < 0:
n = self.version + n + 1
ss = self.__mongometa__.history_class.query.get(
artifact_id=self._id,
artifact_class='%s.%s' % (
self.__class__.__module__,
self.__class__.__name__),
version=n)
if ss is None:
raise IndexError, n
return ss
def revert(self, version):
ss = self.get_version(version)
old_version = self.version
for k,v in ss.data.iteritems():
setattr(self, k, v)
self.version = old_version
def history(self):
HC = self.__mongometa__.history_class
q = HC.query.find(dict(artifact_id=self._id)).sort('version', pymongo.DESCENDING)
return q
class Message(Artifact):
class __mongometa__:
session = artifact_orm_session
name='message'
indexes = [ 'slug', 'parent_id' ]
_id=FieldProperty(str, if_missing=gen_message_id)
slug=FieldProperty(str, if_missing=nonce)
parent_id=FieldProperty(str)
app_id=FieldProperty(S.ObjectId, if_missing=lambda:c.app.config._id)
timestamp=FieldProperty(datetime, if_missing=datetime.utcnow)
author_id=FieldProperty(S.ObjectId, if_missing=lambda:c.user._id)
text=FieldProperty(str, if_missing='')
def author(self):
from .auth import User
return User.query.get(_id=self.author_id) or User.anonymous
def reply(self):
new_id = gen_message_id()
new_slug = self.slug + '/' + nonce()
new_args = dict(
state(self).document,
_id=new_id,
slug=new_slug,
parent_id=self._id,
timestamp=datetime.utcnow(),
author_id=c.user._id)
return self.__class__(**new_args)
def descendants(self):
q = self.query.find(dict(slug={'$gt':self.slug})).sort('slug')
for msg in q:
if msg.slug.startswith(self.slug):
yield msg
else:
break
def replies(self):
return self.query.find(dict(parent_id=self._id))
def index(self):
result = Artifact.index(self)
author = self.author()
result.update(
author_user_name_t=author.username,
author_display_name_t=author.display_name,
timestamp_dt=self.timestamp,
text=self.text,
type_s='Generic Message')
return result
def shorthand_id(self):
return self.slug