标签：mode function case spl turn att ret self 方法
def _mapped_func(self, func):
""" Apply function ``func`` on all records in ``self``, and return the
result as a list or a recordset (if ``func`` returns recordsets).
"""
if self:
vals = [func(rec) for rec in self]
if isinstance(vals[0], BaseModel):
return vals[0].union(*vals) # union of all recordsets
return vals
else:
vals = func(self)
return vals if isinstance(vals, BaseModel) else []
def mapped(self, func):
""" Apply ``func`` on all records in ``self``, and return the result as a
list or a recordset (if ``func`` return recordsets). In the latter
case, the order of the returned recordset is arbitrary.
:param func: a function or a dot-separated sequence of field names
(string); any falsy value simply returns the recordset ``self``
"""
if not func:
return self # support for an empty path of fields
if isinstance(func, str):
recs = self
for name in func.split(‘.‘):
recs = recs._mapped_func(operator.itemgetter(name))
return recs
else:
return self._mapped_func(func)
self_datetime = max(self.invoice_line_ids.mapped(‘write_date‘))
func = operator.itemgetter(name) // 获取对象的name值的方法
func(rec) 获取rec的write_date值
标签：mode function case spl turn att ret self 方法
原文地址：https://www.cnblogs.com/yanhuaqiang/p/12155427.html
