misc/cmp_schema.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 28 Sep 2010 18:53:45 +0200
branchstable
changeset 6354 73bf870d37d5
parent 5372 b74eed7e8b37
permissions -rw-r--r--
[wf component] reversing selectors here may be a huge performance win on big rsets, since EntityVComponent selector starts with one_line_rset

"""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