misc/cmp_schema.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 08 Sep 2010 10:03:30 +0200
branchstable
changeset 6191 ece6996e6ac8
parent 5372 b74eed7e8b37
permissions -rw-r--r--
[schema deserial] fix loading of schema when mapping an entity type to an existing one To ensure rdef of the old entity type don't overwrite those already existing on the mapped entity type. Also rename some variables/arguments on the way to make things clearer.
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"""This module compare the Schema on the file system to the one in the database"""
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from cStringIO import StringIO
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from cubicweb.web.schemaviewer import SchemaViewer
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from logilab.common.ureports import TextWriter
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import difflib
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viewer = SchemaViewer()
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layout_db = viewer.visit_schema(schema, display_relations=True)
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layout_fs = viewer.visit_schema(fsschema, display_relations=True)
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writer = TextWriter()
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stream_db = StringIO()
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stream_fs = StringIO()
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writer.format(layout_db, stream=stream_db)
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writer.format(layout_fs, stream=stream_fs)
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stream_db.seek(0)
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stream_fs.seek(0)
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db = stream_db.getvalue().splitlines()
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fs = stream_fs.getvalue().splitlines()
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open('db_schema.txt', 'w').write(stream_db.getvalue())
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open('fs_schema.txt', 'w').write(stream_fs.getvalue())
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#for diff in difflib.ndiff(fs, db):
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#    print diff