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commands.py
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# -*- coding: utf-8 -*-
# This file is part of Invenio.
# Copyright (C) 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.
"""Command-line tools for assets."""
import argparse
import os
import warnings
from flask import current_app, json
from flask_assets import ManageAssets
from flask_script import Command, Option
import pkg_resources
from .registry import bundles
class AssetsCommand(ManageAssets):
"""Command-line operation for assets."""
def run(self, args):
"""Run the command-line.
It loads the bundles from the :py:data:`bundles registry
<invenio.ext.assets.registry.bundles>`.
"""
if not self.env:
self.env = current_app.jinja_env.assets_environment
self.log = current_app.logger
for pkg, bundle in bundles:
output = "{0}: {1.output}:".format(pkg, bundle)
for content in bundle.contents:
output += "\n - {0}".format(content)
self.log.info(output)
self.env.register(bundle.output, bundle)
return super(AssetsCommand, self).run(args)
class BowerCommand(Command):
"""Command-line operation for bower."""
option_list = (
Option("-i", "--bower-json", help="base input file",
dest="filename", default=None),
Option("-o", "--output-file", help="write bower.json to output file",
dest="output_file", metavar="FILENAME",
type=argparse.FileType(mode='w')),
Option("-x", "--override", help="(DEPRECATED) override the input file",
dest="override", action="store_const", const=True),
)
def run(self, filename=None, override=False, output_file=None):
"""Generate a bower.json file.
It comes with default values for the ignore. Name and version are set
to be invenio's.
"""
output = {
"name": "invenio",
"version": pkg_resources.get_distribution("invenio").version,
"dependencies": {},
"resolutions": {
"jquery": "~1.11", # <2 would pick 1.7.2 (thx jquery.treeview)
"bootstrap": "~3.3"
}
}
if filename and os.path.exists(filename):
with open(filename, "r") as f:
output = dict(output, **json.load(f))
for pkg, bundle in bundles:
if bundle.bower:
current_app.logger.debug((pkg, bundle.bower))
output['dependencies'].update(bundle.bower)
# Remove together with override kwarg, and Option object.
if override:
warnings.warn("Use of --override is deprecated and will "
"be removed. Please use --output-file instead.",
DeprecationWarning)
if filename and os.path.exists(filename) and output_file is None:
output_file = open(filename, 'w')
options = dict(indent=4)
if output_file is None:
print(json.dumps(output, **options)).encode("utf-8")
else:
json.dump(output, output_file, **options)
output_file.close()

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