misc/cmp_schema.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 20 Jan 2011 08:23:27 +0100
branchstable
changeset 6852 970d1aab42a1
parent 5372 b74eed7e8b37
permissions -rw-r--r--
[migration] fix migration of old cw instances which do not have yet the CWUniqueTogetherConstraint entity type

"""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