base_model

class egegrouper.base_model.BaseModel

Model in MVC. Base class.

__init__(self)

Constructor.

Create fields and set initial state of model.

close_storage(self)

Close current storage.

create_storage(self, name)

Create new storage.

Parameters:name (str) – Storage name.

delete_exam(self, exam_id)

Delete examination from current storage.

Parameters:exam_id (str) – Examination ID.

delete_group(self, group_id)

Delete group of examinations from storage.

Parameters:group_id (str) – Group ID.

static do_if_storage_opened(method)

Decorator. If storage is not opened AttributeError raised.

exam(self, exam_id)

Return examination object.

Parameters:exam_id (str) – Examination ID. Returns:Examination object. Return type:sme.Examination

exams(self, group_id, meta_only)

Return exams from selected group or groups.

Parameters:

• group_id (str or list of str) – Group ID. If list, the union of sets of examinations from groups returned.
• meta_only (bool) – If True, only meta data returned.

Returns:

exams – Examinations list.

Return type:

list of sme.Examination

group_exam(self, exam_id, group_ids, placed_in)

Add and delete examination to and from groups.

Parameters:

• exam_id (str) – Examination ID.
• group_ids (list of str) – Group IDs.
• placed_in (list of bool) – True for examinations to be placed in groups. Length of group_ids must be equal to length of placed_in.

group_info(self, group_id)

Return information about examinations of selected group.

Parameters:group_id (str) – Group ID Returns:

• data (list of tuple) – Examination descriptions.
• headers (tuple) – Headers.

group_record(self, group_id)

Return attribute names and values of selected group.

Parameters:group_id (str) – Group ID. Returns:Attributes names and values for selected group. Return type:OrderedDict

insert_exam(self, e)

Add examination into current storage.

Parameters:exam (sme.Examination) – Examination object

insert_group(self, name, description)

Add new group of examinations.

Parameters:

• name (str) – Name of new group.
• description (str) – Description for new group.

open_or_create_storage(self, name)

Open or create storage (if stoarge not exists).

Parameters:name (str) – Name of storage.

open_storage(self, name)

Open storage.

Parameters:name (str) – Storage name.

set_state(self, **kwargs)

Set model state.

state(self)

Return model state.

storage_exists(self, name)

Check if the storage exists.

Parameters:name (str) – Name of storage. Returns:True if exists, False otherwise. Return type:bool

storage_info(self)

Return common information about current storage.

Returns:

• data (list of tuples) – Table with information about storage.
• headers (tuple) – Headers.

update_group_record(self, group_id, attr)

Update group record in storage.

Parameters:

• group_id (str) – Group ID.
• attr (OrderedDict) – Attributes names and values.

where_exam(self, exam_id)

Return description of groups where examination in or not in.

Parameters:exam_id (str) – Examination ID. Returns:

• group_records (list of tuple) – All group records.
• headers (list of str) – Names of group attributes.
• placed_in (list of bool) – True if exam in group, False otherwise.