How deeply does ASP.NET Core in Action, 3e cover logging module?

Explains the architecture, dependency-injection integration, ILogger records, verbosity, and logging providers.

Logging module

As explained in ASP.NET Core in Action, 3e

A logging library provides APIs for recording and routing diagnostic and operational messages from an application.

A logging module records application events and unexpected conditions, helping developers diagnose errors and connect related activity across an application. section 26.0

A logging module provides a consistent path from application code to readable diagnostic output:

Uses a generic logging interface throughout ASP.NET Core, libraries, and application code. section 26.0
Creates messages through ILogger, whose records include a log level, category, and message. section 26.0
Routes output through logging providers to destinations such as the console, a file, or an external service. section 26.0
Controls log verbosity for different parts of the application, including framework and library code. section 26.0

Diagnosing an unexpected condition

If a shopping cart receives a negative total or an exception occurs, application logging can record the event and route it to a destination where it can be investigated. section 26.0

How ASP.NET Core in Action, 3e covers it

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Also explained in

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The Well-Grounded Python Developer: How the pros use Python and FlaskThe logging module is Python's standard-library module for creating, filtering, formatting, and routing diagnostic log records.
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Python How-ToThe logging module is Python's standard-library module for recording application events through loggers, handlers, formatters, and severity levels.
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The Art of CodePython's logging module is a standard-library facility for creating, filtering, formatting, and routing log records.

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Related concepts

logging leveluses · A logging level is a severity or verbosity classification or setting that determines which log messages a logging system processes, emits, or retains.
printalternative to · Print is a programming operation that writes a value or its textual representation to an output destination, often standard output.
FileHandlerhas part · FileHandler is a Python logging handler class that writes log records to a file.
standard librarypart of · A standard library is a collection of reusable modules, types, functions, APIs, and other facilities distributed with a programming language implementation or platform.
Log4jincludes · Log4j is an Apache Java logging framework for recording, formatting, and routing application messages and events to configurable destinations and severity levels.
Dockerused by · Docker is a platform and ecosystem for building, distributing, and running applications in containers.

This explainer was generated by Manning's knowledge graph from the text of ASP.NET Core in Action, 3e. The section links point to the parts of the book it draws on.