eb2a491129
DB migration to rename pending -> draft. Keep pending column on messages to mean "ready to upload". Indicate whether messages are drafts in change display. Update display of (draft) messages when their contents change. Also store draft votes, but don't display them until finalized (pending upload). Also remove 'drafts' flag from revisions if that revision has a pending upload. Change-Id: Iff427c0c1664351ce8e2d61be2f79f3bfa1f989d
585 lines
22 KiB
Python
585 lines
22 KiB
Python
# Copyright 2014 OpenStack Foundation
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import time
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import logging
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import threading
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import alembic
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import alembic.config
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import sqlalchemy
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from sqlalchemy import create_engine, MetaData, Table, Column, Integer, String, Boolean, DateTime, Text, select, func
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from sqlalchemy.schema import ForeignKey
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from sqlalchemy.orm import mapper, sessionmaker, relationship, column_property, scoped_session
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from sqlalchemy.orm.session import Session
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from sqlalchemy.sql import exists
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from sqlalchemy.sql.expression import and_
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metadata = MetaData()
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project_table = Table(
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'project', metadata,
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Column('key', Integer, primary_key=True),
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Column('name', String(255), index=True, unique=True, nullable=False),
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Column('subscribed', Boolean, index=True, default=False),
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Column('description', Text, nullable=False, default=''),
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Column('updated', DateTime, index=True),
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)
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change_table = Table(
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'change', metadata,
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Column('key', Integer, primary_key=True),
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Column('project_key', Integer, ForeignKey("project.key"), index=True),
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Column('id', String(255), index=True, unique=True, nullable=False),
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Column('number', Integer, index=True, unique=True, nullable=False),
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Column('branch', String(255), index=True, nullable=False),
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Column('change_id', String(255), index=True, nullable=False),
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Column('topic', String(255), index=True),
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Column('account_key', Integer, ForeignKey("account.key"), index=True),
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Column('subject', Text, nullable=False),
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Column('created', DateTime, index=True, nullable=False),
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Column('updated', DateTime, index=True, nullable=False),
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Column('status', String(16), index=True, nullable=False),
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Column('hidden', Boolean, index=True, nullable=False),
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Column('reviewed', Boolean, index=True, nullable=False),
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)
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revision_table = Table(
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'revision', metadata,
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Column('key', Integer, primary_key=True),
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Column('change_key', Integer, ForeignKey("change.key"), index=True),
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Column('number', Integer, index=True, nullable=False),
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Column('message', Text, nullable=False),
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Column('commit', String(255), nullable=False),
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Column('parent', String(255), nullable=False),
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Column('fetch_auth', Boolean, nullable=False),
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Column('fetch_ref', String(255), nullable=False),
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)
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message_table = Table(
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'message', metadata,
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Column('key', Integer, primary_key=True),
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Column('revision_key', Integer, ForeignKey("revision.key"), index=True),
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Column('account_key', Integer, ForeignKey("account.key"), index=True),
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Column('id', String(255), index=True), #, unique=True, nullable=False),
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Column('created', DateTime, index=True, nullable=False),
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Column('message', Text, nullable=False),
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Column('draft', Boolean, index=True, nullable=False),
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Column('pending', Boolean, index=True, nullable=False),
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)
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comment_table = Table(
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'comment', metadata,
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Column('key', Integer, primary_key=True),
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Column('revision_key', Integer, ForeignKey("revision.key"), index=True),
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Column('account_key', Integer, ForeignKey("account.key"), index=True),
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Column('id', String(255), index=True), #, unique=True, nullable=False),
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Column('in_reply_to', String(255)),
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Column('created', DateTime, index=True, nullable=False),
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Column('file', Text, nullable=False),
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Column('parent', Boolean, nullable=False),
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Column('line', Integer),
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Column('message', Text, nullable=False),
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Column('draft', Boolean, index=True, nullable=False),
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)
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label_table = Table(
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'label', metadata,
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Column('key', Integer, primary_key=True),
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Column('change_key', Integer, ForeignKey("change.key"), index=True),
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Column('category', String(255), nullable=False),
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Column('value', Integer, nullable=False),
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Column('description', String(255), nullable=False),
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)
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permitted_label_table = Table(
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'permitted_label', metadata,
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Column('key', Integer, primary_key=True),
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Column('change_key', Integer, ForeignKey("change.key"), index=True),
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Column('category', String(255), nullable=False),
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Column('value', Integer, nullable=False),
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)
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approval_table = Table(
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'approval', metadata,
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Column('key', Integer, primary_key=True),
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Column('change_key', Integer, ForeignKey("change.key"), index=True),
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Column('account_key', Integer, ForeignKey("account.key"), index=True),
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Column('category', String(255), nullable=False),
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Column('value', Integer, nullable=False),
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Column('draft', Boolean, index=True, nullable=False),
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)
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account_table = Table(
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'account', metadata,
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Column('key', Integer, primary_key=True),
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Column('id', Integer, index=True, unique=True, nullable=False),
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Column('name', String(255), index=True),
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Column('username', String(255), index=True),
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Column('email', String(255), index=True),
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)
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class Account(object):
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def __init__(self, id, name=None, username=None, email=None):
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self.id = id
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self.name = name
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self.username = username
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self.email = email
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class Project(object):
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def __init__(self, name, subscribed=False, description=''):
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self.name = name
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self.subscribed = subscribed
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self.description = description
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def createChange(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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c = Change(*args, **kw)
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self.changes.append(c)
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session.add(c)
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session.flush()
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return c
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class Change(object):
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def __init__(self, project, id, owner, number, branch,
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change_id, subject, created, updated, status,
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topic=False, hidden=False, reviewed=False):
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self.project_key = project.key
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self.account_key = owner.key
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self.id = id
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self.number = number
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self.branch = branch
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self.change_id = change_id
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self.topic = topic
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self.subject = subject
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self.created = created
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self.updated = updated
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self.status = status
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self.hidden = hidden
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self.reviewed = reviewed
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def getCategories(self):
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categories = []
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for label in self.labels:
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if label.category in categories:
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continue
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categories.append(label.category)
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return categories
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def getMaxForCategory(self, category):
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if not hasattr(self, '_approval_cache'):
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self._updateApprovalCache()
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return self._approval_cache.get(category, 0)
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def _updateApprovalCache(self):
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cat_min = {}
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cat_max = {}
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cat_value = {}
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for approval in self.approvals:
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cur_min = cat_min.get(approval.category, 0)
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cur_max = cat_max.get(approval.category, 0)
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cur_min = min(approval.value, cur_min)
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cur_max = max(approval.value, cur_max)
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cat_min[approval.category] = cur_min
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cat_max[approval.category] = cur_max
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cur_value = cat_value.get(approval.category, 0)
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if abs(cur_min) > abs(cur_value):
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cur_value = cur_min
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if abs(cur_max) > abs(cur_value):
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cur_value = cur_max
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cat_value[approval.category] = cur_value
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self._approval_cache = cat_value
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def createRevision(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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r = Revision(*args, **kw)
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self.revisions.append(r)
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session.add(r)
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session.flush()
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return r
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def createLabel(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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l = Label(*args, **kw)
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self.labels.append(l)
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session.add(l)
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session.flush()
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return l
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def createApproval(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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l = Approval(*args, **kw)
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self.approvals.append(l)
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session.add(l)
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session.flush()
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return l
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def createPermittedLabel(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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l = PermittedLabel(*args, **kw)
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self.permitted_labels.append(l)
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session.add(l)
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session.flush()
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return l
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class Revision(object):
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def __init__(self, change, number, message, commit, parent, fetch_auth, fetch_ref):
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self.change_key = change.key
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self.number = number
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self.message = message
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self.commit = commit
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self.parent = parent
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self.fetch_auth = fetch_auth
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self.fetch_ref = fetch_ref
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def createMessage(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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m = Message(*args, **kw)
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self.messages.append(m)
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session.add(m)
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session.flush()
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return m
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def createComment(self, *args, **kw):
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session = Session.object_session(self)
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args = [self] + list(args)
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c = Comment(*args, **kw)
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self.comments.append(c)
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session.add(c)
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session.flush()
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return c
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def getPendingMessage(self):
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for m in self.messages:
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if m.pending:
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return m
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return None
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def getDraftMessage(self):
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for m in self.messages:
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if m.draft:
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return m
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return None
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class Message(object):
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def __init__(self, revision, id, author, created, message, draft=False, pending=False):
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self.revision_key = revision.key
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self.account_key = author.key
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self.id = id
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self.created = created
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self.message = message
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self.draft = draft
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self.pending = pending
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class Comment(object):
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def __init__(self, revision, id, author, in_reply_to, created, file, parent, line, message, draft=False):
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self.revision_key = revision.key
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self.account_key = author.key
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self.id = id
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self.in_reply_to = in_reply_to
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self.created = created
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self.file = file
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self.parent = parent
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self.line = line
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self.message = message
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self.draft = draft
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class Label(object):
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def __init__(self, change, category, value, description):
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self.change_key = change.key
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self.category = category
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self.value = value
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self.description = description
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class PermittedLabel(object):
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def __init__(self, change, category, value):
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self.change_key = change.key
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self.category = category
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self.value = value
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class Approval(object):
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def __init__(self, change, reviewer, category, value, draft=False):
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self.change_key = change.key
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self.account_key = reviewer.key
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self.category = category
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self.value = value
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self.draft = draft
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mapper(Account, account_table)
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mapper(Project, project_table, properties=dict(
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changes=relationship(Change, backref='project',
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order_by=change_table.c.number),
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unreviewed_changes=relationship(Change,
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primaryjoin=and_(project_table.c.key==change_table.c.project_key,
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change_table.c.hidden==False,
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change_table.c.status!='MERGED',
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change_table.c.status!='ABANDONED',
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change_table.c.reviewed==False),
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order_by=change_table.c.number,
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),
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open_changes=relationship(Change,
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primaryjoin=and_(project_table.c.key==change_table.c.project_key,
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change_table.c.status!='MERGED',
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change_table.c.status!='ABANDONED'),
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order_by=change_table.c.number,
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),
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))
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mapper(Change, change_table, properties=dict(
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owner=relationship(Account),
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revisions=relationship(Revision, backref='change',
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order_by=revision_table.c.number),
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messages=relationship(Message,
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secondary=revision_table,
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order_by=message_table.c.created),
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labels=relationship(Label, backref='change', order_by=(label_table.c.category,
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label_table.c.value)),
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permitted_labels=relationship(PermittedLabel, backref='change',
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order_by=(permitted_label_table.c.category,
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permitted_label_table.c.value)),
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approvals=relationship(Approval, backref='change', order_by=(approval_table.c.category,
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approval_table.c.value)),
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draft_approvals=relationship(Approval,
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primaryjoin=and_(change_table.c.key==approval_table.c.change_key,
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approval_table.c.draft==True),
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order_by=(approval_table.c.category,
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approval_table.c.value))
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))
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mapper(Revision, revision_table, properties=dict(
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messages=relationship(Message, backref='revision'),
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comments=relationship(Comment, backref='revision',
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order_by=(comment_table.c.line,
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comment_table.c.created)),
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draft_comments=relationship(Comment,
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primaryjoin=and_(revision_table.c.key==comment_table.c.revision_key,
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comment_table.c.draft==True),
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order_by=(comment_table.c.line,
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comment_table.c.created)),
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))
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mapper(Message, message_table, properties=dict(
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author=relationship(Account)))
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mapper(Comment, comment_table, properties=dict(
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author=relationship(Account)))
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mapper(Label, label_table)
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mapper(PermittedLabel, permitted_label_table)
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mapper(Approval, approval_table, properties=dict(
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reviewer=relationship(Account)))
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class Database(object):
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def __init__(self, app):
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self.log = logging.getLogger('gertty.db')
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self.app = app
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self.engine = create_engine(self.app.config.dburi)
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#metadata.create_all(self.engine)
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self.migrate()
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self.session_factory = sessionmaker(bind=self.engine)
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self.session = scoped_session(self.session_factory)
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self.lock = threading.Lock()
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def getSession(self):
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return DatabaseSession(self)
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def migrate(self):
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conn = self.engine.connect()
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context = alembic.migration.MigrationContext.configure(conn)
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current_rev = context.get_current_revision()
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self.log.debug('Current migration revision: %s' % current_rev)
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has_table = self.engine.dialect.has_table(conn, "project")
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config = alembic.config.Config()
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config.set_main_option("script_location", "gertty:alembic")
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config.set_main_option("sqlalchemy.url", self.app.config.dburi)
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if current_rev is None and has_table:
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self.log.debug('Stamping database as initial revision')
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alembic.command.stamp(config, "44402069e137")
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alembic.command.upgrade(config, 'head')
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class DatabaseSession(object):
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def __init__(self, database):
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self.database = database
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self.session = database.session
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self.search = database.app.search
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def __enter__(self):
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self.database.lock.acquire()
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self.start = time.time()
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return self
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def __exit__(self, etype, value, tb):
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if etype:
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self.session().rollback()
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else:
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self.session().commit()
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self.session().close()
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self.session = None
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end = time.time()
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self.database.log.debug("Database lock held %s seconds" % (end-self.start,))
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self.database.lock.release()
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def abort(self):
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self.session().rollback()
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def commit(self):
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self.session().commit()
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def delete(self, obj):
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self.session().delete(obj)
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def getProjects(self, subscribed=False, unreviewed=False):
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"""Retrieve projects.
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:param subscribed: If True limit to only subscribed projects.
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:param unreviewed: If True limit to only projects with unreviewed
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changes.
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"""
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query = self.session().query(Project)
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if subscribed:
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query = query.filter_by(subscribed=subscribed)
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if unreviewed:
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query = query.filter(exists().where(Project.unreviewed_changes))
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return query.order_by(Project.name).all()
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def getProject(self, key):
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try:
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return self.session().query(Project).filter_by(key=key).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getProjectByName(self, name):
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try:
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return self.session().query(Project).filter_by(name=name).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getChange(self, key):
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try:
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return self.session().query(Change).filter_by(key=key).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getChangeByID(self, id):
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try:
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return self.session().query(Change).filter_by(id=id).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getChangeByChangeID(self, change_id):
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try:
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return self.session().query(Change).filter_by(change_id=change_id).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getChangeByNumber(self, number):
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try:
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return self.session().query(Change).filter_by(number=number).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
|
|
|
|
def getChanges(self, query, unreviewed=False):
|
|
self.database.log.debug("Search query: %s" % query)
|
|
q = self.session().query(Change).filter(self.search.parse(query))
|
|
if unreviewed:
|
|
q = q.filter(change_table.c.hidden==False, change_table.c.reviewed==False)
|
|
q = q.order_by(change_table.c.number)
|
|
self.database.log.debug("Search SQL: %s" % q)
|
|
try:
|
|
return q.all()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return []
|
|
|
|
def getRevision(self, key):
|
|
try:
|
|
return self.session().query(Revision).filter_by(key=key).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getRevisionByCommit(self, commit):
|
|
try:
|
|
return self.session().query(Revision).filter_by(commit=commit).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getRevisionsByParent(self, parent):
|
|
try:
|
|
return self.session().query(Revision).filter_by(parent=parent).all()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return []
|
|
|
|
def getRevisionByNumber(self, change, number):
|
|
try:
|
|
return self.session().query(Revision).filter_by(change_key=change.key, number=number).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getComment(self, key):
|
|
try:
|
|
return self.session().query(Comment).filter_by(key=key).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getCommentByID(self, id):
|
|
try:
|
|
return self.session().query(Comment).filter_by(id=id).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getMessage(self, key):
|
|
try:
|
|
return self.session().query(Message).filter_by(key=key).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getMessageByID(self, id):
|
|
try:
|
|
return self.session().query(Message).filter_by(id=id).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getPendingMessages(self):
|
|
return self.session().query(Message).filter_by(pending=True).all()
|
|
|
|
def getAccountByID(self, id, name=None, username=None, email=None):
|
|
try:
|
|
account = self.session().query(Account).filter_by(id=id).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
account = self.createAccount(id)
|
|
if name is not None and account.name != name:
|
|
account.name = name
|
|
if username is not None and account.username != username:
|
|
account.username = username
|
|
if email is not None and account.email != email:
|
|
account.email = email
|
|
return account
|
|
|
|
def getAccountByUsername(self, username):
|
|
try:
|
|
return self.session().query(Account).filter_by(username=username).one()
|
|
except sqlalchemy.orm.exc.NoResultFound:
|
|
return None
|
|
|
|
def getSystemAccount(self):
|
|
return self.getAccountByID(0, 'Gerrit Code Review')
|
|
|
|
def createProject(self, *args, **kw):
|
|
o = Project(*args, **kw)
|
|
self.session().add(o)
|
|
self.session().flush()
|
|
return o
|
|
|
|
def createAccount(self, *args, **kw):
|
|
a = Account(*args, **kw)
|
|
self.session().add(a)
|
|
self.session().flush()
|
|
return a
|