[migractions] Better handle removal of RQLConstraint in sync_schema
In rdef synchronisation, filter unmodified constraints before processing the
sets of old and new constraints.
Add a new `constraint_by_eid` method on RelationDefinitionSchema, which
eliminates the ambiguity of `constraint_by_type` usage when several
constraints of the same type are involved in the same migration.
Closes #3633644.
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# This file is part of CubicWeb.
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"""server side objects"""
import os.path as osp
def registration_callback(vreg):
vreg.register_all(globals().itervalues(), __name__)
global URL_MAPPING
URL_MAPPING = {}
if vreg.config.apphome:
url_mapping_file = osp.join(vreg.config.apphome, 'urlmapping.py')
if osp.exists(url_mapping_file):
URL_MAPPING = eval(file(url_mapping_file).read())
vreg.info('using url mapping %s from %s', URL_MAPPING, url_mapping_file)