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[REF] orm: added some comments. 

bzr revid: vmt@openerp.com-20110614101311-bjy33thvzfnla74t
This commit is contained in:
Vo Minh Thu 2011-06-14 12:13:11 +02:00
parent 08b750af47
commit e360ae580a
1 changed files with 17 additions and 4 deletions
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21
openerp/osv/orm.py
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@ -445,6 +445,11 @@ class orm_template(object):
_sequence = None
_description = None
_inherits = {}
# Mapping from inherits'd field name to triple (m, r, f)
# where m is the model from which it is inherits'd,
# r is the (local) field towards m,
# and f is the _column object itself.
_inherit_fields = {}
_table = None
_invalids = set()
_log_create = False
@ -469,9 +474,11 @@ class orm_template(object):
raise NotImplementedError(_('The read_group method is not implemented on this object !'))
def _field_create(self, cr, context=None):
"""
""" Create entries in ir_model_fields for all the model's fields.
Create/update entries in ir_model, ir_model_data, and ir_model_fields.
If necessary, also create an entry in ir_model, and if called from the
modules loading scheme (by receiving 'module' in the context), also
create entries in ir_model_data (for the model and the fields).
- create an entry in ir_model (if there is not already one),
- create an entry in ir_model_data (if there is not already one, and if
@ -1225,6 +1232,8 @@ class orm_template(object):
def fields_get_keys(self, cr, user, context=None):
res = self._columns.keys()
# TODO I believe this loop can be replace by
# res.extend(self._inherit_fields.key())
for parent in self._inherits:
res.extend(self.pool.get(parent).fields_get_keys(cr, user, context))
return res
@ -2056,7 +2065,6 @@ class orm_template(object):
class orm_memory(orm_template):
_protected = ['read', 'write', 'create', 'default_get', 'perm_read', 'unlink', 'fields_get', 'fields_view_get', 'search', 'name_get', 'distinct_field_get', 'name_search', 'copy', 'import_data', 'search_count', 'exists']
_inherit_fields = {}
_max_count = config.get('osv_memory_count_limit')
_max_hours = config.get('osv_memory_age_limit')
_check_time = 20
@ -2754,6 +2762,10 @@ class orm(orm_template):
cr.commit()
self.__schema.debug("Table '%s': column '%s': XXX",
self._table, k)
#else: # TODO Ask review. (Above, the drop should be done for more cases (ondelete is wrong, or the targeted table is wrong).)
# self._foreign_keys.append((self._table, k, ref, f.ondelete))
# The field doesn't exist in database. Create it if necessary.
else:
if not isinstance(f, fields.function) or f.store:
# add the missing field
@ -2775,9 +2787,10 @@ class orm(orm_template):
cr.commit()
netsvc.Logger().notifyChannel('data', netsvc.LOG_DEBUG, "Table '%s': setting default value of new column %s" % (self._table, k))
# remember the functions to call for the stored fields
if isinstance(f, fields.function):
order = 10
if f.store is not True:
if f.store is not True: # i.e. if f.store is a dict
order = f.store[f.store.keys()[0]][2]
todo_end.append((order, self._update_store, (f, k)))