misc/cmp_schema.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 17 Aug 2010 15:25:17 +0200
branchstable
changeset 6116 2530e9c45296
parent 5372 b74eed7e8b37
permissions -rw-r--r--
[migration] fix rename_entity_type: avoid removal of attributes on the new entity type from the schema during migration

"""This module compare the Schema on the file system to the one in the database"""

from cStringIO import StringIO
from cubicweb.web.schemaviewer import SchemaViewer
from logilab.common.ureports import TextWriter
import difflib

viewer = SchemaViewer()
layout_db = viewer.visit_schema(schema, display_relations=True)
layout_fs = viewer.visit_schema(fsschema, display_relations=True)
writer = TextWriter()
stream_db = StringIO()
stream_fs = StringIO()
writer.format(layout_db, stream=stream_db)
writer.format(layout_fs, stream=stream_fs)

stream_db.seek(0)
stream_fs.seek(0)
db = stream_db.getvalue().splitlines()
fs = stream_fs.getvalue().splitlines()
open('db_schema.txt', 'w').write(stream_db.getvalue())
open('fs_schema.txt', 'w').write(stream_fs.getvalue())
#for diff in difflib.ndiff(fs, db):
#    print diff