the fix for known/unknown child UTIs to be handled by QLStephen, resolves #87 by toy · Pull Request #135 · whomwah/qlstephen

toy · 2022-02-17T01:16:54Z

So cheaply pretending to be a QLGenerator from Apple seems to be the way to make Quick Look use QLStephen also for UTIs with direct, indirect, explicit and implicit (for dynamic UTIs) conformance to UTI registered for it.

If this is the fix, I can only remember that most used language in programming is profanity.

…lves whomwah#87 So cheaply pretending to be a QLGenerator from Apple seems to be the way to make Quick Look use QLStephen also for UTIs with direct, indirect, explicit and implicit (for dynamic UTIs) conformance to UTI registered for it. If this is the fix, I can only remember that most used language in programming is profanity.

MikaelHashiCorp · 2022-04-09T01:33:31Z

I tested this fix and it worked for me.

Commands and sample output:

git clone git@github.com:toy/qlstephen.git
cd qlstephen
git switch extensions-fix
sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
make && make install
    xcodebuild SYMROOT=../build -project QuickLookStephenProject/QuickLookStephen.xcodeproj -configuration "Release" build
    2022-04-08 18:16:06.766
    ...
    ** BUILD SUCCEEDED **
qlmanage -m
    public.data -> /Users/mikael/Library/QuickLook/QLStephen.qlgenerator (1.5.1)

/Users/mikael/Library/QuickLook/QLStephen.qlgenerator/Contents/Info.plist:

			<key>LSItemContentTypes</key>
			<array>
				<string>public.data</string>
				<string>public.content</string>
				<string>public.unix-executable</string>
			</array>

Finder Screenshot:

Thank you Ivan.

*** UPDATE ***
2023-03-22: After updating my Intel Macbook 2019 to Venture, I had to remake and reinstall QLStephen, but it still works.

Restores support for avi files and for less common codecs in .mov, .ts and .m2ts files. Fixes #86 #91 Inspired by whomwah/qlstephen#135

glorious1 · 2022-11-24T17:53:50Z

This is not working for some reason:

`JimsMBPro:Packages jim$ git clone git@github.com:toy/qlstephen.git
Cloning into 'qlstephen'...
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
JimsMBPro:Packages jim$`

toy · 2022-11-26T16:14:27Z

@glorious1 Try git clone https://github.com/toy/qlstephen.git instead

glorious1 · 2022-11-26T16:20:41Z

@toy
JimsMBPro:Packages jim$ git clone https://github.com/com:toy/qlstephen.git Cloning into 'qlstephen'... fatal: unable to access 'https://github.com/com:toy/qlstephen.git/': The requested URL returned error: 400
I think the problem must be that my github key expired or something. I'll work on it. Thanks.

toy · 2022-11-26T16:43:25Z

@glorious1 I failed with copy-pasting 🤦, see the corrected command

glorious1 · 2022-11-26T18:43:07Z

I set up my github keys again and was able to get it with the original URL, thank you. Also thanks to @MikaelHashiCorp for putting in the build commands; I would have never guessed it requires Xcode and how to do it.

After running these for good measure:

qlmanage -r
qlmanage -r cache

it works like magic! Thank you @toy

EDIT: I found a few text files that didn't work, like xml, srt. I just used mdls to get their kMDItemContentType, like "public.xml" and "dyn.ah62d4um4ge81g6xy", and added them and "public.item" also to ~/Library/QuickLook/QLStephen.qlgenerator/Contents/Info.plist, the LSItemContentTypes array, and they work, which they didn't before.

cvn · 2024-01-03T05:05:17Z

This works! So many file extensions are working again. 🥲 Thank you, @toy!

On macOS 14.2.1, with Xcode 15.1, my first build failed with a warning about MACOSX_DEPLOYMENT_TARGET. So I opened the project in Xcode and set a Deployment Target. Then I ran make && make install again and it worked.

pa-0 · 2024-12-24T03:11:18Z

Does this still work for Sequoia?

fvaccari · 2025-02-17T18:48:55Z

Does this still work for Sequoia?

Mah, I tried to follow the instructions but couldn't manage to get this working with Sequoia. I hugely miss its functionality.

j-256 · 2026-05-30T03:53:22Z

@fvaccari if you want your functionality back (and then some): https://github.com/j-256/qlomni

fvaccari · 2026-05-30T08:01:51Z

Hi James, thanks for pointing me to qlomni. I’ll go reading the docs and see how I can customize it to fit my needs. I’ve plenty of extensions to deal with, generated by a suite of Fortran programs that is of no interest for people not using them. So no point to make a request for including those extensions in the standard qlomni release. My hope is to have a user-friendly way of customizing the set of considered extensions

…

On 30 May 2026, at 05:53, James ***@***.***> wrote: j-256 left a comment (whomwah/qlstephen#135) @fvaccari if you want your functionality back (and then some): https://github.com/j-256/qlomni — Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications, keep track of coding agent tasks and review pull requests on the go with GitHub Mobile for iOS and Android. Download it today! You are receiving this because you were mentioned.Message ID: ***@***.***>

j-256 · 2026-05-30T18:41:19Z

@fvaccari ask and ye shall receive. Unfortunately it's impossible to have the list be dynamic at runtime, so you need to build from source, which requires Xcode.app.

fvaccari · 2026-05-31T09:22:03Z

Understood, thanks!

…

On 30 May 2026, at 20:41, James ***@***.***> wrote: j-256 left a comment (whomwah/qlstephen#135) @fvaccari ask and ye shall receive. Unfortunately it's impossible to have the list be dynamic at runtime, so you need to build from source, which requires Xcode.app. — Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications, keep track of coding agent tasks and review pull requests on the go with GitHub Mobile for iOS and Android. Download it today! You are receiving this because you were mentioned.Message ID: ***@***.***>

toy mentioned this pull request Feb 17, 2022

Add support for dynamic and unknown UTI types #87

Open

toy marked this pull request as ready for review April 9, 2022 12:03

Marginal added a commit to Marginal/QuickLookVideo that referenced this pull request Nov 13, 2022

Use com.apple.* bundle identifier FFS

8e392b1

Restores support for avi files and for less common codecs in .mov, .ts and .m2ts files. Fixes #86 #91 Inspired by whomwah/qlstephen#135

glorious1 approved these changes Nov 24, 2022

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