An extensible logging framework for Swift

Just tried out my project using Log with Swift 3 in the Xcode 8 Beta. Looks like there's currently no Swift 3 compatible branch here. It'd be great if you could merge this into a currently non existent branch on your repo or make the changes yourself if you want and close this PR.

Thanks 😊

Xcode 10 cannot show logs in the console, that's because of the level comparison failed in log function (level >= minLevel always false), fix it by using raw values type "Int" for "Level"

Hi, Unfortunately Xcode won't support plugins anymore and we are left with no XcodeColor. Log still tries to add color info to console logs and that makes an ugly (and sad) console.

I thing the colorization should become optional (with room left for possible future support for XcodeColor)

Thoughts?

Hey @delba, are you still maintaining this library? I am having odd issue now where logs print inconsistently, I can't tell if this is an issue newly introduced in XCode 10, or if it happened due to me updating iOS. Have you seen anything similar in any of your projects?

Hi Damien, the library is great, thanks. I have one suggestion for the last line in Logger.swift: public let Log = Logger(formatter: .Default, theme: .Default)

First thing is, the name of an instance should not be capitalized? Would public let log = be better? Also, what do you think about leaving the responsibility of creating a Logger instance to the user, by deleting that line?

Xcode complained about some missing symbols which were resolved by the Foundation imports. Besides that it seems to work fine now for use with Xcode 11's SwiftPM support 😊

I want my logger to include the following emoji symbols with the log: ERROR: ❗️ WARNING: ❕

In other words, whenever an error is logged, the logger will also include "❗️" in the log.

Is that possible by customizing the formatter, or does it require a deeper change?

Hi,

Since Swift3 update I have this strange behaviour Type of expression is ambiguous without more context with that simple code:

import Log

let Log = Logger(formatter: .Detailed,
                 theme: .TomorrowNight,
                 minLevel: .Trace)

extension Formatters {
    static let Detailed = Formatter("[%@] %@.%@:%@ %@: %@", [ //Error is just here
        .Date("yyyy-MM-dd HH:mm:ss.SSS"),
        .File(fullPath: false, fileExtension: false),
        .Function,
        .Line,
        .Level,
        .Message
        ])
}

extension Themes {
    static let TomorrowNight = Theme(
        trace:   "#C5C8C6",
        debug:   "#81A2BE",
        info:    "#B5BD68",
        warning: "#F0C674",
        error:   "#CC6666"
    )
}

Any help would be appreciated. Vivien

I am wondering whether there is a built-in mechanism for attaching additional code that handles a log. I've recently started using a cloud logging framework and would like to attach the frameworks logging call to all my existing Log.*("...") calls. Is there an intended attachment point that I have overseen or is there no option without modifying your code?

Thanks in advance Benno

Is it fine to add codebeat badge to README?

codebeat is automated code review tool for Swift,Ruby,Go & Python that helps get instant feedback on code quality.

"Quick wins" suggested by codebeat could be a nice candidate for a pull request and help other developers become contributors.

FYI. To be fully open and honest. I'm co-founder of codebeat.

Step to reproduce :

Run carthage update --platform iOS on your project Get this error :

*** Building scheme "Log iOS" in Log.xcodeproj
Build Failed
Task failed with exit code 65....
This usually indicates that project itself failed to compile. Please check the xcodebuild log for more details:

Did someone found a solution ?

Environment:

• Swift 5
• Xcode 11.3.1

Problem: I implement the logger using the various levels of severity however all the log statements in the console are still white. I have tried changing themes and yet I still cannot have TRACE, DEBUG, INFO, WARNING, or ERROR to appear in the console with the proper colors.

Example Logger Setup:

    // MARK: Logging
    
    private lazy var log = Logger(formatter: .default, theme: .tomorrowNightEighties, minLevel: .trace)

Example Console Output:

Hi, unfortunately SwiftPM is currently unable to depend on this package @ 2.0 due to the naming of the version numbers.

The previous ones are all prefixed with 'v', v0.5, v1.0, ... And then it's just '2.0'. Obviously this should be improved in SwiftPM, but it would be a quick and easy fix here until that happens 😊

As you know, Apple removed support for XCode plugins in 2016, and we need some way to color code the logs. So I have added a provision to setup emojis for log levels. Please go through the code, and let me know what you think.

I have not updated readme or version number, yet. I'll update it, if this change is merged.

This is definitely one of the better and more flexible logging frameworks for client side swift. Awesome work.

It would be great, however, to add an abstraction which will allow you to assign multiple output locations. E.G., Instead of just logging to standard output, it would be nice to be able to take the same record and just send it to another logging service via https.

Happy to open a PR for this when I get the time.