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class DevelopmentConfig

Maturity: 36

A configuration class for development environment settings that inherits from a base Config class and enables debug mode while disabling testing mode.

File:
/tf/active/vicechatdev/vice_ai/smartstat_config.py
Lines:
94 - 97
Complexity:
simple

Purpose

DevelopmentConfig provides environment-specific configuration settings for development environments. It inherits from a base Config class and overrides specific settings to enable debugging features and disable testing mode. This class is typically used in Flask or similar web applications to manage environment-specific configurations, allowing developers to work with debug tools and detailed error messages during development.

Source Code

class DevelopmentConfig(Config):
    """Development configuration"""
    DEBUG = True
    TESTING = False

Parameters

Name Type Default Kind
bases Config -

Parameter Details

bases: Inherits from Config class, which should provide base configuration settings and methods. The Config parent class is expected to define default configuration values that can be overridden by environment-specific subclasses.

Return Value

Instantiation returns a DevelopmentConfig object that can be used to configure an application for development mode. The class itself serves as a configuration container with class-level attributes that can be accessed directly or through an instance.

Class Interface

Attributes

Name Type Description Scope
DEBUG bool Enables debug mode for the application, providing detailed error messages and automatic reloading during development. Set to True for development environments. class
TESTING bool Controls whether the application is in testing mode. Set to False for development environments to distinguish from test execution contexts. class

Required Imports

from path.to.config import Config

Usage Example

# Assuming Config is defined in config.py
from config import DevelopmentConfig

# Using with Flask application
from flask import Flask
app = Flask(__name__)
app.config.from_object(DevelopmentConfig)

# Accessing configuration values
print(app.config['DEBUG'])  # Output: True
print(app.config['TESTING'])  # Output: False

# Or accessing directly from class
print(DevelopmentConfig.DEBUG)  # Output: True
print(DevelopmentConfig.TESTING)  # Output: False

# Instantiating the class (less common pattern)
dev_config = DevelopmentConfig()
print(dev_config.DEBUG)  # Output: True

Best Practices

  • This class is typically used as a configuration object passed to application frameworks (like Flask) rather than being instantiated directly
  • Configuration values are defined as class attributes, not instance attributes, allowing them to be accessed without instantiation
  • Should be used in conjunction with other environment-specific config classes (e.g., ProductionConfig, TestingConfig) for different deployment environments
  • Never commit sensitive configuration values (API keys, passwords) directly in this class; use environment variables instead
  • The DEBUG flag should always be False in production environments to prevent security vulnerabilities
  • This class follows the configuration pattern where settings are inherited and overridden from a base Config class
  • Typically loaded conditionally based on environment variables (e.g., FLASK_ENV=development)

Tags

configuration development settings environment debug flask web-application config-management

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