Arabic Sign Language

utils.py

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utils.py

source core utilities

File Path: src/core/utils.py

Purpose: General-purpose utility functions for logging, file I/O, and string parsing.

Overview

Provides shared helper functions used across the application for:

  • Loading dataset labels (Arabic/English)
  • Parsing metadata from checkpoint filenames
  • Configuring the application logger

Global Variables

AR_WORDS & EN_WORDS

Type: list[str] Source: Loaded from KARSL-502_Labels.json Purpose: Global lists of sign labels in Arabic and English. Initialized By: init_signs()

Functions

init_signs()

def init_signs() -> tuple[list[str], list[str]]:

Purpose: Loads and parses the JSON labels file. Returns:

  • Tuple: ([Arabic Labels], [English Labels]) Usage:
AR_WORDS, EN_WORDS = init_signs()

extract_num_signs_from_checkpoint(checkpoint_path)

def extract_num_signs_from_checkpoint(checkpoint_path) -> Optional[int]:

Purpose: Extracts the number of classes from a checkpoint filename using Regex. Regex: r".*?signs_(\d+).*?" Example:

  • Input: checkpoint_signs_502.pth
  • Output: 502 Raises: ValueError if pattern not found.

get_default_logger()

def get_default_logger() -> logging.Logger:

Purpose: Singleton-like accessor for the application logger. Configuration:

  • Name: wl-ar-sl
  • Output: File (logs/server_producer.log)
  • Format: %(asctime)s - %(levelname)s - %(message)s
  • Level: logging.DEBUG

Depends On:

Used By:

Graph View

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