4. 关于继承问题

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关于继承问题

  • V

    由于公司需要，我需要在Order Line加几个属性，于是我新建了一个模块saleorderline，下面是我写的py文件

    init.py
    [code]import saleorderline[/code]

    terp.py
    [code]{
    "name" : "Order Line Extened Module",
    "version" : "1.0",
    "depends" : ["base"],
    "init_xml" : [],
    "update_xml" : [],
    "installable" : True,
    "active" : False,
    }[/code]

    saleorderline.py
    [code]
    #!/usr/bin/python

    from osv import osv, fields
    class sale_order_line(osv.osv):
    _name = 'sale.order.line'
    _inherit = 'sale.order.line'
    _description = 'Sale Order Line'
    _columns = {
    'sc': fields.char('Serial Code',size=64),
    }
    sale_order_line()
    [/code]

    OpenERP Client找到了我新写的模块，但是当我在安装(同样在OpenERP Client上安装)的时候，出现了以下错误：
    [code]
    Traceback (most recent call last):
    File "netsvc.pyo", line 235, in dispatch
    File "netsvc.pyo", line 74, in call
    File "serviceweb_services.pyo", line 582, in execute
    File "serviceweb_services.pyo", line 562, in execute
    File "wizard__init    _.pyo", line 178, in execute
    File "wizard__init__.pyo", line 74, in execute_cr
    File "d:OpenERP AllInOneServeraddonsbasemodulewizardwizard_module_upgrade.py", line 92, in upgrade_module
    File "pooler.pyo", line 62, in restart_pool
    File "pooler.pyo", line 40, in get_db_and_pool
    File "addons__init    _.pyo", line 718, in load_modules
    File "addons__init__.pyo", line 579, in load_module_graph
    File "osvosv.pyo", line 171, in instanciate
    File "osvosv.pyo", line 235, in createInstance
    AttributeError: 'NoneType' object has no attribute '_columns'
    [/code]

    大家知道为什么会出现这种错误吗？
    在线等，any help would be appreciated!!!

    0
  • V

    由于公司需要，我需要在Order Line加几个属性，于是我新建了一个模块saleorderline，下面是我写的py文件

    init.py
    [code]import saleorderline[/code]

    terp.py
    [code]{
    "name" : "Order Line Extened Module",
    "version" : "1.0",
    "depends" : ["base"],
    "init_xml" : [],
    "update_xml" : [],
    "installable" : True,
    "active" : False,
    }[/code]

    saleorderline.py
    [code]
    #!/usr/bin/python

    from osv import osv, fields
    class sale_order_line(osv.osv):
    _name = 'sale.order.line'
    _inherit = 'sale.order.line'
    _description = 'Sale Order Line'
    _columns = {
    'sc': fields.char('Serial Code',size=64),
    }
    sale_order_line()
    [/code]

    OpenERP Client找到了我新写的模块，但是当我在安装(同样在OpenERP Client上安装)的时候，出现了以下错误：
    [code]
    Traceback (most recent call last):
    File "netsvc.pyo", line 235, in dispatch
    File "netsvc.pyo", line 74, in call
    File "serviceweb_services.pyo", line 582, in execute
    File "serviceweb_services.pyo", line 562, in execute
    File "wizard__init    _.pyo", line 178, in execute
    File "wizard__init__.pyo", line 74, in execute_cr
    File "d:OpenERP AllInOneServeraddonsbasemodulewizardwizard_module_upgrade.py", line 92, in upgrade_module
    File "pooler.pyo", line 62, in restart_pool
    File "pooler.pyo", line 40, in get_db_and_pool
    File "addons__init    _.pyo", line 718, in load_modules
    File "addons__init__.pyo", line 579, in load_module_graph
    File "osvosv.pyo", line 171, in instanciate
    File "osvosv.pyo", line 235, in createInstance
    AttributeError: 'NoneType' object has no attribute '_columns'
    [/code]

    大家知道为什么会出现这种错误吗？
    在线等，any help would be appreciated!!!

    0
  • 管理员

    terp.py 中的depend中加 'sale‘ 试试

    0
  • V

    版主太强大了，多日来困扰我:Q 的问题终于得到解决了:lol ！~
    万份感谢！！！:handshake

    0