/usr/share/pyshared/tracsubtickets/api.py is in trac-subtickets 0.1.1+253f019-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | #!/usr/bin/python
#
# Copyright (c) 2010, Takashi Ito
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the authors nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import re
import pkg_resources
from trac.core import *
from trac.env import IEnvironmentSetupParticipant
from trac.db import DatabaseManager
from trac.ticket.model import Ticket
from trac.ticket.api import ITicketChangeListener, ITicketManipulator
from trac.util.translation import domain_functions
import db_default
NUMBERS_RE = re.compile(r'\d+', re.U)
# i18n support for plugins, available since Trac r7705
# use _, tag_ and N_ as usual, e.g. _("this is a message text")
_, tag_, N_, add_domain = domain_functions('tracsubtickets',
'_', 'tag_', 'N_', 'add_domain')
class SubTicketsSystem(Component):
implements(IEnvironmentSetupParticipant,
ITicketChangeListener,
ITicketManipulator)
def __init__(self):
self._version = None
self.ui = None
# bind the 'traccsubtickets' catalog to the locale directory
locale_dir = pkg_resources.resource_filename(__name__, 'locale')
add_domain(self.env.path, locale_dir)
# IEnvironmentSetupParticipant methods
def environment_created(self):
self.found_db_version = 0
self.upgrade_environment(self.env.get_db_cnx())
def environment_needs_upgrade(self, db):
cursor = db.cursor()
cursor.execute("SELECT value FROM system WHERE name=%s",
(db_default.name, ))
value = cursor.fetchone()
try:
self.found_db_version = int(value[0])
if self.found_db_version < db_default.version:
return True
except:
self.found_db_version = 0
return True
# check the custom field
if 'parents' not in self.config['ticket-custom']:
return True
return False
def upgrade_environment(self, db):
db_manager, _ = DatabaseManager(self.env)._get_connector()
# update the version
old_data = {} # {table.name: (cols, rows)}
cursor = db.cursor()
if not self.found_db_version:
cursor.execute("INSERT INTO system (name, value) VALUES (%s, %s)",
(db_default.name, db_default.version))
else:
cursor.execute("UPDATE system SET value=%s WHERE name=%s",
(db_default.version, db_default.name))
for table in db_default.tables:
cursor.execute("SELECT * FROM %s", (table.name, ))
cols = [x[0] for x in cursor.description],
rows = cursor.fetchall()
old_data[table.name] = (cols, rows)
cursor.execute("DROP TABLE %s", (table.name))
# insert the default table
for table in db_default.tables:
for sql in db_manager.to_sql(table):
cursor.execute(sql)
# add old data
if table.name in old_data:
cols, rows = old_data[table.name]
sql = 'INSERT INTO %s (%s) VALUES (%s)' % \
(table.name, ','.join(cols), ','.join(['%s'] * len(cols)))
for row in rows:
cursor.execute(sql, row)
# add the custom field
cfield = self.config['ticket-custom']
if 'parents' not in cfield:
cfield.set('parents', 'text')
cfield.set('parents.label', 'Parent Tickets')
self.config.save()
# ITicketChangeListener methods
def ticket_created(self, ticket):
self.ticket_changed(ticket, '', ticket['reporter'], {'parents': ''})
def ticket_changed(self, ticket, comment, author, old_values):
if 'parents' not in old_values:
return
old_parents = old_values.get('parents', '') or ''
old_parents = set(NUMBERS_RE.findall(old_parents))
new_parents = set(NUMBERS_RE.findall(ticket['parents'] or ''))
if new_parents == old_parents:
return
db = self.env.get_db_cnx()
cursor = db.cursor()
# remove old parents
for parent in old_parents - new_parents:
cursor.execute("DELETE FROM subtickets WHERE parent=%s AND child=%s",
(parent, ticket.id))
# add new parents
for parent in new_parents - old_parents:
cursor.execute("INSERT INTO subtickets VALUES(%s, %s)",
(parent, ticket.id))
db.commit()
def ticket_deleted(self, ticket):
db = self.env.get_db_cnx()
cursor = db.cursor()
# TODO: check if there's any child ticket
cursor.execute("DELETE FROM subtickets WHERE child=%s", (ticket.id, ))
db.commit()
# ITicketManipulator methods
def prepare_ticket(self, req, ticket, fields, actions):
pass
def validate_ticket(self, req, ticket):
db = self.env.get_db_cnx()
cursor = db.cursor()
try:
ids = []
_ids = set(NUMBERS_RE.findall(ticket['parents'] or ''))
myid = str(ticket.id)
for id in _ids:
if id == myid:
yield 'parents', _('A ticket cannot be a parent to itself')
else:
# check if the id exists
cursor.execute("SELECT id FROM ticket WHERE id=%s", (id, ))
row = cursor.fetchone()
if row is None:
yield 'parents', _('Ticket #%s does not exist') % id
ids.append(id)
# circularity check function
def _check_parents(id, all_parents):
all_parents = all_parents + [id]
errors = []
cursor.execute("SELECT parent FROM subtickets WHERE child=%s", (id, ))
for x in [int(x[0]) for x in cursor]:
if x in all_parents:
error = ' > '.join(['#%s' % n for n in all_parents + [x]])
errors.append(('parents', _('Circularity error: %s') % error))
else:
errors += _check_parents(x, all_parents)
return errors
for x in ids:
# check parent ticket state
parent = Ticket(self.env, x)
if parent and parent['status'] == 'closed':
yield 'parents', _('Parent ticket #%s is closed') % x
else:
# check circularity
all_parents = ticket.id and [ticket.id] or []
for error in _check_parents(int(x), all_parents):
yield error
ticket['parents'] = ', '.join(sorted(ids, key=lambda x: int(x)))
except Exception, e:
self.log.error(e)
yield 'parents', _('Not a valid list of ticket IDs')
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