misc/cmp_schema.py
author Julien Cristau <julien.cristau@logilab.fr>
Thu, 23 Jan 2014 10:53:24 +0100
changeset 9477 07fc991612b0
parent 5372 b74eed7e8b37
permissions -rw-r--r--
[migration/3.18] protect against attributes in db missing from fsschema Happens if a previous migration forgot a drop_attribute. Closes #3471609

"""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