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__init__.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2013, 2014, 2015 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.
"""Initialize and configure Flask-Script extension."""
from __future__ import print_function
import functools
import re
from types import FunctionType
from flask import current_app, flash
from flask.ext.registry import ModuleAutoDiscoveryRegistry, RegistryProxy
from flask.ext.script import Manager as FlaskExtManager
from flask.ext.script.commands import Clean, Server, Shell, ShowUrls
from invenio.base.signals import post_command, pre_command
from six.moves import urllib
from werkzeug.utils import find_modules, import_string
def change_command_name(method=None, new_name=None):
"""Change command name to `new_name` or replace '_' 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():
"""Generate secret key."""
import string
import random
return ''.join([random.choice(string.ascii_letters + string.digits)
for dummy in range(0, 256)])
def print_progress(p, L=40, prefix='', suffix=''):
"""Print textual progress bar."""
bricks = int(p * L)
print('\r', prefix, end=' ')
print('[{0}{1}] {2}%'.format('#' * bricks, ' ' * (L - bricks),
int(p * 100)), end=' ')
print(suffix, end=' ')
def check_for_software_updates(flash_message=False):
"""Check for a new release of Invenio.
:return: True if you have latest version, else False if you need to upgrade
or None if server was not reachable.
"""
from invenio.config import CFG_VERSION
from invenio.base.i18n import _
try:
find = re.compile('Invenio v[0-9]+.[0-9]+.[0-9]+(\-rc[0-9])?'
' is released')
release_notes = 'https://raw.githubusercontent.com/' \
'inveniosoftware/invenio/master/RELEASE-NOTES'
webFile = urllib.request.urlopen(release_notes)
temp = ""
version = ""
version1 = ""
while 1:
temp = webFile.readline()
match1 = find.match(temp)
try:
version = match1.group()
break
except Exception:
pass
if not temp:
break
webFile.close()
submatch = re.compile('[0-9]+.[0-9]+.[0-9]+(\-rc[0-9])?')
version1 = submatch.search(version)
web_version = version1.group().split(".")
local_version = CFG_VERSION.split(".")
if (web_version[0] > local_version[0] or
web_version[0] == local_version[0] and
web_version[1] > local_version[1] or
web_version[0] == local_version[0] and
web_version[1] == local_version[1] and
web_version[2] > local_version[2]):
if flash_message:
flash(_('A newer version of Invenio is available for '
'download. You may want to visit '
'<a href="%(wiki)s">%()s</a>',
wiki='<a href=\"http://invenio-software.org/wiki/'
'/Installation/Download'), 'warning')
return False
except Exception as e:
print(e)
if flash_message:
flash(_('Cannot download or parse release notes '
'from %(release_notes)s', release_notes=release_notes),
'error')
return None
return True
class Manager(FlaskExtManager):
"""Custom manager implementation with signaling support."""
def add_command(self, name, command):
"""Wrap default ``add_command`` method."""
sender = command.run if type(command.run) is FunctionType \
else command.__class__
class SignalingCommand(command.__class__):
def __call__(self, *args, **kwargs):
app = self.app if not len(args) else args[0]
with app.test_request_context():
pre_command.send(sender, args=args, **kwargs)
res = super(SignalingCommand, self).__call__(*args, **kwargs)
with app.test_request_context():
post_command.send(sender, args=args, **kwargs)
return res
command.__class__ = SignalingCommand
return super(Manager, self).add_command(name, command)
def set_serve_static_files(sender, *args, **kwargs):
"""Enable serving of static files for `runserver` command.
Normally Apache serves static files, but during development and if you are
using the Werkzeug standalone development server, you can set this flag to
`True`, to enable static file serving.
"""
current_app.config.setdefault('CFG_FLASK_SERVE_STATIC_FILES', True)
pre_command.connect(set_serve_static_files, sender=Server)
def register_manager(manager):
"""Register all manager plugins and default commands with the manager."""
from six.moves.urllib.parse import urlparse
managers = RegistryProxy('managers', ModuleAutoDiscoveryRegistry, 'manage')
with manager.app.app_context():
for script in find_modules('invenio.base.scripts'):
manager.add_command(script.split('.')[-1],
import_string(script + ':manager'))
for script in managers:
if script.__name__ == 'invenio.base.manage':
continue
manager.add_command(script.__name__.split('.')[-2],
getattr(script, 'manager'))
manager.add_command("clean", Clean())
manager.add_command("show-urls", ShowUrls())
manager.add_command("shell", Shell())
parsed_url = urlparse(manager.app.config.get('CFG_SITE_URL'))
port = parsed_url.port or 80
host = parsed_url.hostname or '127.0.0.1'
runserver = Server(host=host, port=port)
manager.add_command("runserver", runserver)
# FIXME separation of concerns is violated here.
from invenio.ext.collect import collect
collect.init_script(manager)
from invenio.ext.assets import command, bower
manager.add_command("assets", command)
manager.add_command("bower", bower)

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