fcs.server.data_base_policy_module¶

This module describes Task Server’s behavior during link database key generation and application of user’s feedback.

class AbstractPolicyModule¶

static generate_key(key, priority)¶

Generates a key with information about the priorities of given links.

Parameters:	key (int) – Page URL. priority (int) – Page priority.

static calculate_priority(priority, feedback_rating, depth)¶

Calculates new priority of page according to rating sent in user’s feedback.

Parameters:	priority (int) – Current priority of page. feedback_rating (int) – Rating sent by user in feedback. depth (int) – Page depth in comparison with original site affected by feedback.

static get_feedback_propagation_depth()¶: Returns maximal depth of feedback propagation - how many levels of pages retrieved from original page can have its priority changed.

class SimplePolicyModule¶

Implementation of AbstractPolicyModule.

MIN_PRIORITY¶: Minimal link priority.

MAX_PRIORITY¶: Maximal link priority.

DEFAULT_PRIORITY¶: Default link priority.

FEEDBACK_PRIORITY_MAPPING¶: Dict with mapping between link rating sent in feedback and its priority.

static generate_key(key, priority)¶

Generates a key with information about the priorities of given links.

Parameters:	key (int) – Page URL. priority (int) – Page priority.
Returns:	Link database key.
Return type:	string

static get_feedback_propagation_depth()¶

Returns maximal depth of feedback propagation - how many levels of pages retrieved from original page can have its priority changed. Maximal depth is always 3.

Returns:	Maximal depth of feedback propagation (always 3).
Return type:	int

static calculate_priority(priority, feedback_rating, depth)¶

Calculates new priority of page according to rating sent in user’s feedback.

Parameters:	priority (int) – Current priority of page. feedback_rating (int) – Rating sent by user in feedback. depth (int) – Page depth in comparison with original site affected by feedback.
Returns:	New priority of page.
Return type:	int