[FIX] api: environment recomputation
In a workflow context (for instance, in the invoice workflow), context is not passed. Therefore, relying on the 'recompute' key being the context in order to not recompute the fields does not work with Workflows. It leads to huge performance issues, as fields are recomputed recursively (instead of sequentially) when several records are implied. For instance, when reconciling several invoices with one payment (100 invoices with 1 payment for instance), records of each invoice are recomputed uselessly in each workflow call (for each "confirm_paid" method done for each invoice). With a significant number of invoices (100, for instance), it even leads to a "Maximum recursion depth reached" errror. closes #4905
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@ -1391,7 +1391,8 @@ class account_move_line(osv.osv):
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self.create(cr, uid, data, context)
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del vals['account_tax_id']
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if check and not context.get('novalidate') and (context.get('recompute', True) or journal.entry_posted):
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recompute = journal.env.recompute and context.get('recompute', True)
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if check and not context.get('novalidate') and (recompute or journal.entry_posted):
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tmp = move_obj.validate(cr, uid, [vals['move_id']], context)
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if journal.entry_posted and tmp:
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move_obj.button_validate(cr,uid, [vals['move_id']], context)
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@ -890,6 +890,19 @@ class Environment(object):
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if invalids:
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raise Warning('Invalid cache for fields\n' + pformat(invalids))
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@property
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def recompute(self):
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return self.all.recompute
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@contextmanager
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def norecompute(self):
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tmp = self.all.recompute
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self.all.recompute = False
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try:
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yield
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finally:
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self.all.recompute = tmp
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class Environments(object):
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""" A common object for all environments in a request. """
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@ -897,6 +910,7 @@ class Environments(object):
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self.envs = WeakSet() # weak set of environments
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self.todo = {} # recomputations {field: [records]}
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self.mode = False # flag for draft/onchange
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self.recompute = True
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def add(self, env):
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""" Add the environment `env`. """
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@ -3973,7 +3973,7 @@ class BaseModel(object):
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self.pool[model_name]._store_set_values(cr, user, todo, fields_to_recompute, context)
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# recompute new-style fields
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if context.get('recompute', True):
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if recs.env.recompute and context.get('recompute', True):
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recs.recompute()
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self.step_workflow(cr, user, ids, context=context)
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@ -4220,7 +4220,7 @@ class BaseModel(object):
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# check Python constraints
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recs._validate_fields(vals)
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if context.get('recompute', True):
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if recs.env.recompute and context.get('recompute', True):
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result += self._store_get_values(cr, user, [id_new],
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list(set(vals.keys() + self._inherits.values())),
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context)
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@ -4233,7 +4233,7 @@ class BaseModel(object):
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# recompute new-style fields
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recs.recompute()
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if self._log_create and context.get('recompute', True):
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if self._log_create and recs.env.recompute and context.get('recompute', True):
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message = self._description + \
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" '" + \
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self.name_get(cr, user, [id_new], context=context)[0][1] + \
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@ -5629,12 +5629,13 @@ class BaseModel(object):
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field, recs = self.env.get_todo()
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# evaluate the fields to recompute, and save them to database
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names = [f.name for f in field.computed_fields if f.store]
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for rec, rec1 in zip(recs, recs.with_context(recompute=False)):
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for rec in recs:
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try:
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values = rec._convert_to_write({
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name: rec[name] for name in names
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})
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rec1._write(values)
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with rec.env.norecompute():
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rec._write(values)
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except MissingError:
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pass
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# mark the computed fields as done
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@ -736,10 +736,11 @@ class one2many(_column):
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result = []
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context = dict(context or {})
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context.update(self._context)
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context['recompute'] = False # recomputation is done by outer create/write
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if not values:
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return
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obj = obj.pool[self._obj]
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rec = obj.browse(cr, user, [], context=context)
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with rec.env.norecompute():
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_table = obj._table
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for act in values:
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if act[0] == 0:
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