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scriptutils.py
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Tue, Oct 15, 06:37

scriptutils.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2013 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
import functools
from functools import wraps
from flask.ext.script import Manager as FlaskExtManager
from invenio.signalutils import pre_command, post_command
def change_command_name(method=None, new_name=None):
"""Changes command name to `new_name` or replaces '_' by '-'."""
if method is None:
return functools.partial(change_command_name, new_name=new_name)
if new_name is None:
new_name = method.__name__.replace('_', '-')
method.__name__ = new_name
return method
def generate_secret_key():
import string
import random
return ''.join([random.choice(string.letters + string.digits)
for dummy in range(0, 256)])
def print_progress(p, L=40, prefix='', suffix=''):
bricks = int(p * L)
print '\r', prefix,
print '[{0}{1}] {2}%'.format('#' * bricks, ' ' * (L - bricks),
int(p * 100)),
print suffix,
class Manager(FlaskExtManager):
def add_command(self, name, command):
f = command.run
@wraps(f)
def wrapper(*args, **kwds):
pre_command.send(f, *args, **kwds)
result = f(*args, **kwds)
post_command.send(f, *args, **kwds)
return result
command.run = wrapper
return super(Manager, self).add_command(name, command)
def register_manager(manager):
"""
Register all manager plugins and default commands with the manager.
"""
from urlparse import urlparse
from flask.ext.script.commands import Shell, Server, ShowUrls # , Clean
#from invenio.errorlib import register_exception
from invenio.config import CFG_SITE_URL
from invenio.importutils import autodiscover_modules
# Call add_command() in inveniomanage module to register managers.
modules = autodiscover_modules(['invenio'],
'.+_manager\.py')
for m in modules:
name = m.__name__[len('invenio.'):-len('_manager')]
if 'manager' in dir(m):
candidate = getattr(m, 'manager')
if isinstance(candidate, FlaskExtManager):
manager.add_command(name, candidate)
#FIXME clean command is broken
#manager.add_command("clean", Clean())
manager.add_command("show-urls", ShowUrls())
manager.add_command("shell", Shell())
parsed_url= urlparse(CFG_SITE_URL)
port = parsed_url.port or 80
host = parsed_url.hostname or '127.0.0.1'
manager.add_command("runserver", Server(host=host, port=port))

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