Odoo 模型定义详解

Odoo 模型内置配置项

```
	# 模型关键字名称
    _name = None
    _description = None
    _order = 'id'
    _rec_name = None
	
	# 是否自动创建表
    _auto = True # create database backend
    _register = False # Set to false if the model shouldn't be automatically discovered.
	
    _columns = {}
    _constraints = []
    _custom = False
    _defaults = {}
    _parent_name = 'parent_id'
    _parent_store = False
    _parent_order = False
    _date_name = 'date'
    _sequence = None
    _needaction = False
    _translate = True # set to False to disable translations export for this model

# dict of {field:method}, with method returning the (name_get of records, {id: fold})
    # to include in the _read_group, if grouped on this field
    _group_by_full = {}

# Transience
    _transient = False # True in a TransientModel

# structure:
    #  { 'parent_model': 'm2o_field', ... }
    _inherits = {}
	eg: _inherits = {'resource.resource': "resource_id"}

# Mapping from inherits'd field name to triple (m, r, f, n) where m is the
    # model from which it is inherits'd, r is the (local) field towards m, f
    # is the _column object itself, and n is the original (i.e. top-most)
    # parent model.
    # Example:
    #  { 'field_name': ('parent_model', 'm2o_field_to_reach_parent',
    #                   field_column_obj, origina_parent_model), ... }
    _inherit_fields = {}

_table = None
    _sql_constraints = []

# model dependencies, for models backed up by sql views:
    # {model_name: field_names, ...}
    _depends = {}
```

## API
```
'_abstract', '_actions_window_ids', '_add_fake_fields', '_add_field', '_add_inherited_fields', '_add_magic_fields', '_add_manual_fields', '_add_missing_default_values', '_add_sql_constraints', '_apply_ir_rules', '_auto', '_auto_end', '_auto_init', '_browse', '_build_model', '_build_model_attributes', '_build_model_check_base', '_build_model_check_parent', '_cache', '_check_concurrency', '_check_m2m_recursion', '_check_model_name', '_check_qorder', '_check_record_rules_result_count', '_check_recursion', '_check_removed_columns', '_check_selection_field_value', '_compute_display_name', '_constraint_methods', '_constraints', '_context', '_convert_records', '_convert_to_cache', '_convert_to_record', '_convert_to_write', '_cr', '_create', '_create_parent_columns', '_create_table', '_custom', '_date_name', '_depends', '_description', '_drop_constraint', '_drop_table', '_execute_sql', '_export_rows', '_extract_records', '_field_computed', '_field_create', '_field_inverses', '_field_triggers', '_fields', '_fold_name', '_generate_m2o_order_by', '_generate_order_by', '_generate_order_by_inner', '_generate_translated_field', '_get_default_calendar_view', '_get_default_form_view', '_get_default_graph_view', '_get_default_kanban_view', '_get_default_pivot_view', '_get_default_search_view', '_get_default_tree_view', '_get_dirty', '_get_external_ids', '_get_xml_ids', '_has_onchange', '_ids', '_in_cache_without', '_in_modules', '_inherit', '_inherit_children', '_inherited_models', '_inherits', '_inherits_check', '_inherits_children', '_inherits_join_add', '_inherits_join_calc', '_init_column', '_init_constraints_onchanges', '_instanciate', '_is_an_ordinary_table', '_is_dirty', '_local_constraints', '_local_sql_constraints', '_log_access', '_m2o_add_foreign_key_checked', '_m2o_add_foreign_key_unchecked', '_m2o_fix_foreign_key', '_mapped_cache', '_mapped_func', '_menu_ids', '_model_cache_key', '_module', '_name', '_name_search', '_needaction', '_onchange_eval', '_onchange_methods', '_onchange_spec', '_order', '_original_module', '_parent_columns_exist', '_parent_name', '_parent_order', '_parent_store', '_parent_store_compute', '_patch_method', '_pop_field', '_prefetch', '_prefetch_field', '_prepare_setup', '_proper_fields', '_read_from_database', '_read_group_fill_results', '_read_group_format_result', '_read_group_prepare', '_read_group_prepare_data', '_read_group_process_groupby', '_read_group_raw', '_rec_name', '_rec_name_fallback', '_recompute_check', '_recompute_done', '_recompute_todo', '_register', '_register_hook', '_report_ids', '_revert_method', '_save_constraint', '_save_relation_table', '_search', '_select_column_data', '_sequence', '_set_dirty', '_setup_base', '_setup_complete', '_setup_done', '_setup_fields', '_sql_constraints', '_table', '_table_exist', '_transient', '_transient_check_count', '_transient_clean_old_rows', '_transient_clean_rows_older_than', '_transient_max_count', '_transient_max_hours', '_transient_vacuum', '_translate', '_uid', '_validate_fields', '_view_ids', '_where_calc', '_write',

'access_ids', 
'actions_server_ids', 
'actions_window_ids', 
'browse', 
'check_access_rights', 'check_access_rule', 'check_field_access_rights', 'clear_caches', 'compute_concurrency_field', 'compute_concurrency_field_with_access', 'concat', 'copy', 'copy_data', 'copy_translations', 'create', 'create_date', 'create_uid', 'create_view', 'create_workflow', 'default_get', 'delete_workflow', 'display_name', 'ensure_one', 'env', 'exists', 'export_data', 'field_id', 'fields_get', 'fields_get_keys', 'fields_view_get', 'filtered', 'generate_xml', 'get_access_action', 'get_empty_list_help', 'get_external_id', 'get_formview_action', 'get_formview_id', 'get_metadata', 'get_xml_id', 'id', 'ids', 'info', 'inherited_model_ids', 'init', 'invalidate_cache', 'is_transient', 'load', 'load_views', 'mapped', 'menu_ids', 'model', 'modified', 'modules', 'name', 'name_create', 'name_get', 'name_search', 'new', 'onchange', 'pool', 'print_report', 'read', 'read_group', 'recompute', 'redirect_workflow', 'refresh', 'report_ids', 'resolve_2many_commands', 'resolve_o2m_commands_to_record_dicts', 'search', 'search_count', 'search_read', 'signal_workflow', 'sorted', 'state', 'step_workflow', 'sudo', 'toggle_active', 'transient', 'union', 'unlink', 'update', 'user_has_groups', 'view_header_get', 'view_ids', 'view_init', 'with_context', 'with_env', 'with_prefetch', 
'write', 'write_date', 'write_uid'
```

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September 2021

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