~launchpad-pqm/launchpad/devel

# Copyright 2009 Canonical Ltd.  This software is licensed under the

# GNU Affero General Public License version 3 (see the file LICENSE).

# This file is imported by parts/scripts/sitecustomize.py, as set up in our

# buildout.cfg (see the "initialization" key in the "[scripts]" section).

import os

import warnings

import logging

from bzrlib.branch import Branch

from lp.services.log.nullhandler import NullHandler

from lp.services.mime import customizeMimetypes

from zope.security import checker

def silence_bzr_logger():

    """Install the NullHandler on the bzr logger to silence logs."""

    logging.getLogger('bzr').addHandler(NullHandler())

def dont_wrap_class_and_subclasses(cls):

    checker.BasicTypes.update({cls: checker.NoProxy})

    for subcls in cls.__subclasses__():

        dont_wrap_class_and_subclasses(subcls)

def silence_warnings():

    """Silence warnings across the entire Launchpad project."""

    # pycrypto-2.0.1 on Python2.6:

    #   DeprecationWarning: the sha module is deprecated; use the hashlib

    #   module instead

    warnings.filterwarnings(

        "ignore",

        category=DeprecationWarning,

        module="Crypto")

def main():

    # Note that we configure the LPCONFIG environmental variable in the

    # custom buildout-generated sitecustomize.py in

    # parts/scripts/sitecustomize.py rather than here.  This is because

    # the instance name, ${configuration:instance_name}, is dynamic,

    # sent to buildout from the Makefile.  See buildout.cfg in the

    # initialization value of the [scripts] section for the code that

    # goes into this custom sitecustomize.py.  We do as much other

    # initialization as possible here, in a more visible place.

    os.environ['STORM_CEXTENSIONS'] = '1'

    customizeMimetypes()

    dont_wrap_class_and_subclasses(Branch)

    silence_warnings()

    silence_bzr_logger()

main()