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output_format_migration_kit.py
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Tue, Jul 9, 19:24

output_format_migration_kit.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 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.
"""Perform output format migration operation."""
from __future__ import print_function
import os
import yaml
from flask import current_app
from invenio.ext.script import Manager
manager = Manager(usage="Perform output format migration operations.")
def get_output_format(filename):
output_format = {'rules': [], 'default': ""}
format_file = open(filename)
current_tag = ''
for line in format_file:
line = line.strip()
if line == "":
# Ignore blank lines
continue
if line.endswith(":"):
# Retrieve tag
# Remove : spaces and eol at the end of line
clean_line = line.rstrip(": \n\r")
# The tag starts at second position
current_tag = "".join(clean_line.split()[1:]).strip()
elif line.find('---') != -1:
words = line.split('---')
template = words[-1].strip()
condition = ''.join(words[:-1])
output_format['rules'].append({'field': current_tag,
'value': condition,
'template': template,
})
elif line.find(':') != -1:
# Default case
default = line.split(':')[1].strip()
output_format['default'] = default
return output_format
@manager.option('-o', '--output', dest='output', default=".")
def run(output):
"""Convert *bfo* to *yml*."""
from invenio.legacy.dbquery import run_sql
from flask_registry import PkgResourcesDirDiscoveryRegistry, \
ModuleAutoDiscoveryRegistry, RegistryProxy
from invenio.utils.datastructures import LazyDict
output_formats_directories = RegistryProxy(
'legacy_output_formats_directories',
ModuleAutoDiscoveryRegistry,
'output_formats'
)
output_formats = RegistryProxy(
'legacy_output_formats',
PkgResourcesDirDiscoveryRegistry,
'.', registry_namespace=output_formats_directories
)
def create_output_formats_lookup():
"""Create output formats."""
out = {}
for f in output_formats:
of = os.path.basename(f).lower()
if not of.endswith('.bfo'):
continue
of = of[:-4]
if of in out:
continue
out[of] = f
return out
output_formats_lookup = LazyDict(create_output_formats_lookup)
for row in run_sql('SELECT id, name, code, description, content_type, '
' mime_type, visibility FROM format'):
code = row[2].lower()
out = {
'name': row[1],
'description': row[3],
'visibility': 1 if row[6] == '1' else 0,
'content_type': row[4],
}
if row[5]:
out['mime_type'] = row[5]
try:
out.update(get_output_format(output_formats_lookup[code]))
with open(os.path.join(output, code + '.yml'), 'w') as f:
yaml.dump(out, stream=f)
# print('echo "{0}" > {1}/{2}.yml'.format(
# yaml.dump(out), output, code))
except Exception:
current_app.logger.exception(
"Could not convert '{0}'".format(code)
)
def main():
"""Run manager."""
from invenio.base.factory import create_app
app = create_app()
manager.app = app
manager.run()
if __name__ == '__main__':
main()

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