c85d0fbe2c
Increase the status field width to 16 to support words like 'ABANDONED', etc. SQLite doesn't seem to actually care about the width so we don't actually need to update the values. This is more of a formality. Change-Id: Ie0e04ba5acc58d48020938493646e8568de2e0df
470 lines
17 KiB
Python
470 lines
17 KiB
Python
# Copyright 2014 OpenStack Foundation
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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 logging
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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.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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)
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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('owner', String(255), 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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)
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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('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('name', String(255)),
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Column('message', Text, 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('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('name', String(255)),
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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('pending', 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('name', String(255)),
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Column('category', String(255), nullable=False),
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Column('value', Integer, nullable=False),
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Column('pending', Boolean, index=True, nullable=False),
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)
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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, number, branch, change_id,
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owner, 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.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.owner = owner
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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):
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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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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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class Message(object):
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def __init__(self, revision, id, created, name, message, pending=False):
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self.revision_key = revision.key
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self.id = id
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self.created = created
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self.name = name
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self.message = message
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self.pending = pending
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class Comment(object):
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def __init__(self, revision, id, in_reply_to, created, name, file, parent, line, message, pending=False):
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self.revision_key = revision.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.name = name
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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.pending = pending
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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, name, category, value, pending=False):
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self.change_key = change.key
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self.name = name
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self.category = category
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self.value = value
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self.pending = pending
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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.reviewed==False),
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order_by=change_table.c.number,
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),
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reviewed_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.reviewed==True),
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order_by=change_table.c.number,
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),
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updated = column_property(
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select([func.max(change_table.c.updated)]).where(
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change_table.c.project_key==project_table.c.key)
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),
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))
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mapper(Change, change_table, properties=dict(
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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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pending_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.pending==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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pending_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.pending==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)
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mapper(Comment, comment_table)
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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)
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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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def getSession(self):
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return DatabaseSession(self.session)
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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, session):
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self.session = session
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def __enter__(self):
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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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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):
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if subscribed:
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return self.session().query(Project).filter_by(subscribed=subscribed).order_by(Project.name).all()
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else:
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return self.session().query(Project).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 getRevision(self, key):
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try:
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return self.session().query(Revision).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 getRevisionByCommit(self, commit):
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try:
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return self.session().query(Revision).filter_by(commit=commit).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getRevisionByNumber(self, change, number):
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try:
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return self.session().query(Revision).filter_by(change_key=change.key, number=number).one()
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except sqlalchemy.orm.exc.NoResultFound:
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return None
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def getComment(self, key):
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try:
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return self.session().query(Comment).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 getCommentByID(self, id):
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try:
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return self.session().query(Comment).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 getMessage(self, key):
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try:
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return self.session().query(Message).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 getMessageByID(self, id):
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try:
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return self.session().query(Message).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 getPendingMessages(self):
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return self.session().query(Message).filter_by(pending=True).all()
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def createProject(self, *args, **kw):
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o = Project(*args, **kw)
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self.session().add(o)
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self.session().flush()
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return o
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