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KDE Frameworks 6.5 brings a little new feature for localizing prefix and suffix texts in spin boxes. It’s also a good reminder of the level of detail we have to pay attention to when preparing our software for being translated.

The problem

Qt spin boxes can have inline prefix and suffix strings. That’s commonly used for units.

There’s multiple challenges when localizing this:

• Plurals: Depending on the selected quantity different plural forms for prefixes/suffixes might be needed (e.g. “1 cake” vs “3 cakes”). How many plural forms there are depends on the language and can be anywhere between none (e.g. Japanese) and six (e.g. Arabic). CLDR’s Language Plural Rules gives you an idea of the complexity.
• Word order: Not all languages place those texts in the same position. For a percent value for example English uses the % sign as a suffix, while Turkish uses it as a prefix.

So just setting a fixed string doesn’t cut it.

Existing solutions

None of that is new, and for the plural handling we do have an existing solution in form of KPluralHandlingSpinBox in KF::TextWidgets. It takes a suffix in form of a KLocalizedString, which it reevaluates each time its value changes to show the correct plural form.

This works but has a number of downsides:

• It’s not solving the word order problem, and it’s only handing suffixes.
• It’s using inheritance and thus is harder to integrate with custom or otherwise more complex existing spin box code.
• The use of inheritance is also limiting it to QSpinBox, not helping with e.g. QDoubleSpinBox.

New API in KF::I18n

Starting with an idea by Emir Sarı and Lukas Sommer for a solution to the word ordering problem and a suggestion by me to generalize the same approach to cover plural handling as well we ended up with two new methods in KF::I18n.

KLocalization::setupSpinBoxFormatString is the one you’ll most commonly need. It allows to set a KLocalizedString format string on any spin box instance. That format string must contain the special placeholder %v, which represents the current spin box value.

Texts before the %v end up in the prefix and the part after it in the suffix, giving translations control over the word order. This can be used both with and without considering plural forms, as shown in the example below.

// with plural QSpinBox spinBox; KLocalization::setupSpinBoxFormatString(&spinBox, ki18np("Baking %v cake", "Baking %v cakes")); // without plural QDoubleSpinBox doubleSpinBox; KLocalization::setupSpinBoxFormatString(&doubleSpinBox, ki18n("%v%"));

As this isn’t relying on inheritance it can be used on QSpinBox, QDoubleSpinBox or any subclass thereof. Being part of KF::I18n also means this is very likely available without needing additional dependencies. All of this should help with a much wider adoption than we ever had for KPluralHandlingSpinBox.

The second new method is KLocalization::retranslateSpinBoxFormatString, which explicitly triggers reevaluating the format string. That’s automatically called when the spin box value changes, but if you are for example supporting runtime language changes you might have the need for manually triggering this as well.

What’s left to do

We need to make use of this. It’s an easy way to contribute, and helps making our software better in other languages than English :)

There’s also the question how to address these issues in QML UIs. Qt’ QML spin box control doesn’t have support for inline prefixes/suffixes, but the problems don’t go away by placing the those texts on the outside.

So a common theme on the Internet about Debian is so old. And right, I am getting close to the stage that I feel a little laggy: I am using a bunch of backports for packages I need, and I'm missing a bunch of other packages that just landed in unstable and didn't make it to backports for various reasons.

I disagree that "old" is a bad thing: we definitely run Debian stable on a fleet of about 100 servers and can barely keep up, I would make it older. And "old" is a good thing: (port) wine and (any) beer needs time to age properly, and so do humans, although some humans never seem to grow old enough to find wisdom.

But at this point, on my laptop, I am feeling like I'm missing out. This page, therefore, is an evolving document that is a twist on the classic NewIn game. Last time I played seems to be #newinwheezy (2013!), so really, I'm due for an update. (To be fair to myself, I do keep tabs on upgrades quite well at home and work, which do have their share of "new in", just after the fact.)

New packages to explore

Those tools are shiny new things available in unstable or perhaps Trixie (testing) already that I am not using yet, but I find interesting enough to list here.

• codesearch: search all of Debian's source code (tens of thousands of packages) from the commandline! (see also dcs-cli, not in Debian)
• dasel: JSON/YML/XML/CSV parser, similar to jq, but different syntax, not sure I'd grow into it, but often need to parse YML like JSON and failing
• fyi: notify-send replacement
• git-subrepo: git-submodule replacement I am considering
• gtklock: swaylock replacement with bells and whistles, particularly interested in showing time, battery and so on
• hyprland: possible Sway replacement, but there are rumors of a toxic community (rebuttal, I haven't reviewed either in detail), so approach carefully)
• ruff: faster Python formatter and linter, flake8/black/isort replacement, alas not mypy/LSP unfortunately, designed to be ran alongside such a tool, which is not possible in Emacs eglot right now, but is possible in lsp-mode
• sfwbar: pretty status bar, may replace waybar, which i am somewhat unhappy with (my UTC clock disappears randomly)
• spytrap-adb: cool spy gear

New packages I won't use

Those are packages that I have tested because I found them interesting, but ended up not using, but I think people could find interesting anyways.

• kew: surprisingly fast music player, parsed my entire library (which is huge) instantaneously and just started playing (I still use Supersonic, for which I maintain a flatpak on my Navidrome server)
• mdformat: good markdown formatter, think black or gofmt but for markdown), but it didn't actually do what I needed, and it's not quite as opinionated as it should (or could) be)

Backports already in use

Those are packages I already use regularly, which have backports or that can just be installed from unstable:

• asn: IP address forensics
• markdownlint: markdown linter, I use that a lot
• poweralertd: pops up "your battery is almost empty" messages
• sway-notification-center: used as part of my status bar, yet another status bar basically, a little noisy, stuck in a libc dep update
• tailspin: used to color logs

Out of date packages

Those are packages that are in Debian stable (Bookworm) already, but that are somewhat lacking and could benefit from an upgrade.

• firmware-iwlwifi: out of date, can install from unstable
• fuzzel / foot: log level noises A, B, fuzzel fix not in debian yet, and if we get to 1.11, my scripts in ~/bin should be patched to use --cache
• pandoc: 3.0 is ridiculously huge, but particularly remove spaces after list marker
• podman: better systemd integration
• pubpaste: out of date, can install from unstable
• tremotesf: out of date backport
• undertime: out of date, can install from unstable
• yt-dlp: out of date, can install from unstable

Last words

If you know of cool things I'm missing out of, then by all means let me know!

That said, overall, this is a pretty short list! I have most of what I need in stable right now, and if I wasn't a Debian developer, I don't think I'd be doing the jump now. But considering how easier it is to develop Debian (and how important it is to test the next release!), I'll probably upgrade soon.

Previously, I was running Debian testing (which why the slug on that article is why-trixie), but now I'm actually considering just running unstable on my laptop directly anyways. It's been a long time since we had any significant instability there, and I can typically deal with whatever happens, except maybe when I'm traveling, and then it's easy to prepare for that (just pin testing).

So a common theme on the Internet about Debian is so old. And right, I am getting close to the stage that I feel a little laggy: I am using a bunch of backports for packages I need, and I'm missing a bunch of other packages that just landed in unstable and didn't make it to backports for various reasons.

I disagree that "old" is a bad thing: we definitely run Debian stable on a fleet of about 100 servers and can barely keep up, I would make it older. And "old" is a good thing: (port) wine and (any) beer needs time to age properly, and so do humans, although some humans never seem to grow old enough to find wisdom.

But at this point, on my laptop, I am feeling like I'm missing out. This page, therefore, is an evolving document that is a twist on the classic NewIn game. Last time I played seems to be #newinwheezy (2013!), so really, I'm due for an update. (To be fair to myself, I do keep tabs on upgrades quite well at home and work, which do have their share of "new in", just after the fact.)

New packages to explore

Those tools are shiny new things available in unstable or perhaps Trixie (testing) already that I am not using yet, but I find interesting enough to list here.

• codesearch: search all of Debian's source code (tens of thousands of packages) from the commandline! (see also dcs-cli, not in Debian)
• dasel: JSON/YML/XML/CSV parser, similar to jq, but different syntax, not sure I'd grow into it, but often need to parse YML like JSON and failing
• fyi: notify-send replacement
• git-subrepo: git-submodule replacement I am considering
• gtklock: swaylock replacement with bells and whistles, particularly interested in showing time, battery and so on
• hyprland: possible Sway replacement, but there are rumors of a toxic community (rebuttal, I haven't reviewed either in detail), so approach carefully)
• ruff: faster Python formatter and linter, flake8/black/isort replacement, alas not mypy/LSP unfortunately, designed to be ran alongside such a tool, which is not possible in Emacs eglot right now, but is possible in lsp-mode
• sfwbar: pretty status bar, may replace waybar, which i am somewhat unhappy with (my UTC clock disappears randomly)
• spytrap-adb: cool spy gear

New packages I won't use

Those are packages that I have tested because I found them interesting, but ended up not using, but I think people could find interesting anyways.

• kew: surprisingly fast music player, parsed my entire library (which is huge) instantaneously and just started playing (I still use Supersonic, for which I maintain a flatpak on my Navidrome server)
• mdformat: good markdown formatter, think black or gofmt but for markdown), but it didn't actually do what I needed, and it's not quite as opinionated as it should (or could) be)

Backports already in use

Those are packages I already use regularly, which have backports or that can just be installed from unstable:

• asn: IP address forensics
• markdownlint: markdown linter, I use that a lot
• poweralertd: pops up "your battery is almost empty" messages
• sway-notification-center: used as part of my status bar, yet another status bar basically, a little noisy, stuck in a libc dep update
• tailspin: used to color logs

Out of date packages

Those are packages that are in Debian stable (Bookworm) already, but that are somewhat lacking and could benefit from an upgrade.

• firmware-iwlwifi: out of date, can install from unstable
• fuzzel / foot: log level noises A, B, fuzzel fix not in debian yet, and if we get to 1.11, my scripts in ~/bin should be patched to use --cache
• pandoc: 3.0 is ridiculously huge, but particularly remove spaces after list marker
• podman: better systemd integration
• pubpaste: out of date, can install from unstable
• tremotesf: out of date backport
• undertime: out of date, can install from unstable
• yt-dlp: out of date, can install from unstable

Last words

If you know of cool things I'm missing out of, then by all means let me know!

That said, overall, this is a pretty short list! I have most of what I need in stable right now, and if I wasn't a Debian developer, I don't think I'd be doing the jump now. But considering how easier it is to develop Debian (and how important it is to test the next release!), I'll probably upgrade soon.

Previously, I was running Debian testing (which why the slug on that article is why-trixie), but now I'm actually considering just running unstable on my laptop directly anyways. It's been a long time since we had any significant instability there, and I can typically deal with whatever happens, except maybe when I'm traveling, and then it's easy to prepare for that (just pin testing).

In this episode, we continued the break from JourneyInbox to look through more of the Go standard library. In this session, we explored JSON serialization, Go template support, and embedding of static files for easy access.

The diffoscope maintainers are pleased to announce the release of diffoscope version 275. This version includes the following changes:

[ Chris Lamb ] * Update the test_zip.py text fixtures and definitions to support new changes to IO::Compress. (Closes: #1078050) * Do not call marshal.loads(...) of precompiled Python bytecode as it is inherently unsafe. Replace, at least for now, with a brief summary of the code section of .pyc files. (Re: reproducible-builds/diffoscope#371) * Don't bother to check the Python version number in test_python.py: the fixture for this test is deterministic/fixed. * Update copyright years.

You find out more by visiting the project homepage.

Authored by Nadiia Nykolaichuk.

This will be a guide on how to generate Python bindings for your C++ library using Shiboken. Shiboken is a tool specifically created to build PySide, so it supports Qt code perfectly fine.

The steps described here require the in-progress merge request that adds the necessary code to Extra CMake Modules. I hope that it gets merged soon (I’ll update the post). I’ll use KUnitConversion as an example, because it’s a small library.

We’ll start adding the building instructions. This part is mostly boilerplate code as it’s the same for any library (except for the obvious thing of changing the library name):

1set(bindings_library "KUnitConversion") 2 3set(wrapped_header ${CMAKE_SOURCE_DIR}/python/bindings.h) 4set(typesystem_file ${CMAKE_SOURCE_DIR}/python/bindings.xml) 5 6set(generated_sources 7 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_module_wrapper.cpp 8 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_wrapper.cpp 9 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_converter_wrapper.cpp 10 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_unit_wrapper.cpp 11 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_unitcategory_wrapper.cpp 12 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_updatejob_wrapper.cpp 13 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_value_wrapper.cpp) 14 15set(qt_libs Qt6::Core) 16 17ecm_generate_python_bindings( 18 PACKAGE_NAME ${bindings_library} 19 VERSION ${KF_VERSION} 20 WRAPPED_HEADER ${wrapped_header} 21 TYPESYSTEM ${typesystem_file} 22 GENERATED_SOURCES ${generated_sources} 23 INCLUDE_DIRS ${CMAKE_INSTALL_PREFIX}/${KDE_INSTALL_INCLUDEDIR_KF}/KUnitConversion 24 QT_LIBS ${qt_libs} 25 QT_VERSION ${REQUIRED_QT_VERSION} 26 HOMEPAGE_URL "https://invent.kde.org/frameworks/kunitconversion" 27 ISSUES_URL "https://bugs.kde.org/describecomponents.cgi?product=frameworks-kunitconversion" 28) 29 30target_link_libraries(${bindings_library} PRIVATE KF6UnitConversion) 31install(TARGETS ${bindings_library} LIBRARY DESTINATION "${KDE_INSTALL_LIBDIR}/python-kf6")

Let’s see what each part does.

1set(bindings_library "KUnitConversion") 2 3set(wrapped_header ${CMAKE_SOURCE_DIR}/python/bindings.h) 4set(typesystem_file ${CMAKE_SOURCE_DIR}/python/bindings.xml) 5 6set(generated_sources 7 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_module_wrapper.cpp 8 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_wrapper.cpp 9 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_converter_wrapper.cpp 10 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_unit_wrapper.cpp 11 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_unitcategory_wrapper.cpp 12 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_updatejob_wrapper.cpp 13 ${CMAKE_CURRENT_BINARY_DIR}/KUnitConversion/kunitconversion_value_wrapper.cpp) 14 15set(qt_libs Qt6::Core)

The first line just defines the name of the Python library we’ll build later. Then we set the header file that includes all the necessary headers of the library. We’ll see that file later. The generated sources list is a bit more complicated, as you need to guess the names of the files generated by Shiboken. Fortunately, you can probably guess the pattern from the example above: the first two files are always the same (the name of the library + _module_wrapper or _wrapper) and the rest is the list of classes defined in your XML file (more about it later). The qt_libs variable just contains a list of the Qt modules that our library requires. You should list all of them, even if one depends on another, because otherwise Shiboken won’t be able to find the include directories.

17ecm_generate_python_bindings( 18 PACKAGE_NAME ${bindings_library} 19 VERSION ${KF_VERSION} 20 WRAPPED_HEADER ${wrapped_header} 21 TYPESYSTEM ${typesystem_file} 22 GENERATED_SOURCES ${generated_sources} 23 INCLUDE_DIRS ${CMAKE_INSTALL_PREFIX}/${KDE_INSTALL_INCLUDEDIR_KF}/KUnitConversion 24 QT_LIBS ${qt_libs} 25 QT_VERSION ${REQUIRED_QT_VERSION} 26 HOMEPAGE_URL "https://invent.kde.org/frameworks/kunitconversion" 27 ISSUES_URL "https://bugs.kde.org/describecomponents.cgi?product=frameworks-kunitconversion" 28)

This is the magic part. The ecm_generate_python_bindings function takes care of running Shiboken with all the required arguments, building the Python library and a wheel file to publish it on the Python Package Index (pypi.org). It has the following arguments:

• PACKAGE_NAME: Name of the Python library.
• VERSION: Version of the resulting library.
• WRAPPED_HEADER: The header file we talked about above.
• TYPESYSTEM: XML file with the type system information.
• GENERATED_SOURCES: The list of files that Shiboken will generate.
• INCLUDE_DIRS: A list with additional include directories that are required for the library. It’s typically the location where the header files included in the WRAPPER_HEADER are.
• QT_LIBS: The list of Qt libraries as explained above.
• QT_VERSION: The minimum required Qt version.
• HOMEPAGE_URL: A URL to the homepage of the project.
• ISSUES_URL: A URL where users can report bugs.

30target_link_libraries(${bindings_library} PRIVATE KF6UnitConversion) 31install(TARGETS ${bindings_library} LIBRARY DESTINATION "${KDE_INSTALL_LIBDIR}/python-kf6")

The last part links the C++ library with the Python bindings and installs it. Now let’s take a look at the header file:

1#pragma once 2 3// Make "signals:", "slots:" visible as access specifiers 4#define QT_ANNOTATE_ACCESS_SPECIFIER(a) __attribute__((annotate(#a))) 5 6#include <KUnitConversion/Converter> 7#include <KUnitConversion/Unit> 8#include <KUnitConversion/UnitCategory> 9#include <KUnitConversion/Value>

Nothing exciting there, just the list of includes (and some Qt thing that I don’t understand).

The last file you need is the typesystem definition, where you tell Shiboken which things (classes, structs, enums, namespaces…) you want to include in your bindings and how it should interpret them. You can delete or rename functions, change the return type, modify the input parameters and many other things. You may want to take a look at the documentation because the list of posible options is very large.

1<?xml version="1.0"?> 2<typesystem package="KUnitConversion"> 3 <load-typesystem name="typesystem_core.xml" generate="no" /> 4 5 <namespace-type name="KUnitConversion"> 6 <enum-type name="CategoryId" /> 7 <object-type name="Converter" /> 8 <object-type name="Unit" /> 9 <object-type name="UnitCategory" /> 10 <enum-type name="UnitId" /> 11 <object-type name="UpdateJob" /> 12 <object-type name="Value" /> 13 </namespace-type> 14</typesystem>

You need to load the typesystems of the Qt libraries that you are using so Shiboken can understand what your code is referring to. They come included with PySide.

That’s all you need to generate the Python bindings for your library. The last step is building the project as you usually do.

Electric Car

A while ago I got my hands on an electric car - after not having owned a car for most of my life (there really is not much need here). It wasn’t planned nor a goal of mine, but it kind of “came out of talks with my boss”, so now it’s there.

Due to some special rules in the german tax system it turns out really cheap for me - it comes from the company, which allows personal use. So I have to pay taxes on the value of it plus whichever amount of kilometers I have to drive to work. And the latter is what is good for me - I have homeoffice in my contract, so no drive to work, except maybe once a year for something. So no regular trip to calculate, only if I ever really have to do a trip to the office.

And it being an electric car, running costs are also cheap. Way below the outdated tech that needs gas to run, is annoyingly loud and stinks.

The car

In the past I used either car sharing or renting a car when I needed one, depending on what I actually needed. Last times renting I already tried electric variants, so I could compare this with.

What I have now is a “Citroen e-Berlingo XL” from 2023 (so not the latest change from 2024), which is on the huge size for space, but small for battery. It has 7 seats (though I have the last 2 currently taken out, no daily need) and more storage space than I need even on a vacation trip.

The engine (or well, it’s battery) is on the small side - a capacity of 50 kWh means it only has 278km reach according to WLTP. That actually is a good bit less - as usual, those numbers are lying for the producer. Turns out that on highways in a more realistic mode than WLTP (read: real driving) it’s somewhat around 120km before one wants a charger again. But, looking around, at least in Germany that is not a big problem, there are more than enough chargers available.

Driving

Actually driving experience is good. It sure is a huge car (4.7m long, 1.85m high/wide) and feels more like driving a (small) bus, but it is easy to handle. Maximum speed is limited (or the small battery would suck even more) to 135km/h, but that is more than enough. Even on german highways. Did my vacation trip with cruise control set to 115km/h and very few times only went above that manually. Real relaxed driving that was.

Vacation trip

So we had a vacation just recently, and instead of renting a car for the trip we, of course, wanted to take the e-Berlingo. Distance was about double what the car can (realistically!) do, so one charging stop in the middle somewhere was a must. Not having had to charge on highways yet - and entirely new with this car - that made for a bit of nervousness, but it all turned out really good. There are really nice tools like ABRP to plan your trip including charging, which can take live data of availability of charging points into the planning.

And it turned out nice - we reached our planned charging point and found a long queue of cars waiting. But turns out it was all those poor folks that need actual gasoline for their outdated combustion engines. The charging points for EV cars still had enough free space, so we could bypass the queue and directly start charging. We also did not need to repark the car after just a few minutes, we could directly start our break.

With a charging time of approx. 30 minutes using the fast charger, such a break is long enough to get enough energy for the next part of the trip and short enough to not be annoying.

Charging prices

At home it depends. If one has some photovoltaic system to get power, charging is basically free. If not it depends on whichever contract one has, costs will be somewhat between 0 and ~30cent per kWh. Not much, and way below gasoline costs.

Outside, using a fast charger, prices vary depending on where you charge - and with what charging card. Prices between 40 and 70cent / kWh, and the same charging point can vary, just from the card one uses. That is a thing that the EU could actually go and better regulate, similar to the phone regulations it took. Still, the costs are still way below gasoline.

Charging cards

There is a huge amount of different providers available, and all do their own things in pricing and how one can use them. They do have standards (say, the plugs are standardized, by now the way to start charging also), and that enables roaming (use a charging card of one provider at a charging point of another), but other than that, it seems to be random.

That is - if you use card A on a charging point of Provider B you may pay 0.49cents, if you use card C on the same point, it may charge you 0.79cents. And card D isn’t taken at all. Some (the newer ones) you can pay directly by credit card, many you can’t. Some may allow paypal or Google/Apple Pay. So in the end you need more than just one charging card - I collected 8 free ones by now - just to be sure you can find a combination that isn’t hugely overpriced.

This blog has been re-posted and edited with permission from Dries Buytaert's blog.

We're excited to announce that "Drupal CMS" will be the official name for the product developed by the Drupal Starshot Initiative.

The name "Drupal CMS" was chosen after user testing with both newcomers and experienced users. This name consistently scored highest across all tested groups, including marketers unfamiliar with Drupal.

Participants appreciated the clarity it brings:

Having the words CMS in the name will make it clear what the product is. People would know that Drupal was a content management system by the nature of its name, rather than having to ask what Drupal is.

I'm a designer familiar with the industry, so the term CMS or content management system is the term or phrase that describes this product most accurately in my opinion. I think it is important to have CMS in the title.

The name "Drupal Starshot" will remain an internal code name until the first release of Drupal CMS, after which it will most likely be retired.

Creating applications for cross-platform compatibility is a modern best practice. It increases deployment flexibility and allows applications to reach a wider audience. However, doing it properly can involve some trial and error. At KDAB, we’ve built many multiplatform desktop applications. Here, we’ve compiled a few insights from that process to help you build better software.

The case for multiplatform applications

If you’re not yet sold on building multiplatform applications, here are three straightforward reasons why it makes sense for both you and your users.

• Bigger audience: The most obvious reason for creating a multiplatform application is to reach a bigger audience. Why narrow your potential market share from the start? Targeting all main platforms makes sure you don’t exclude potential users.
• Compiler diversity: Compiling your application across multiple platforms requires using different compilers. This pushes you towards writing standards-compliant code and enhances software quality by exposing compiler-specific warnings and errors.
• Environment consistency: Restricting your builds to a single OS tailors the application to the peculiarities of that environment. Maybe that’s okay in the short term, but if (or when) you move your software, it will create problems.

Ensuring seamless builds

Setting up the CI build system to only build for the platform you’re actively developing and testing on might seem to save time. However, we recommend that your CI system always builds all platforms. This approach ensures that changes work across all operating systems, preventing developers on other platforms from having to fix your bugs, which is inefficient and error prone.

Why you shouldn’t ignore Linux

Many companies provide Windows and Mac variants of their applications but leave Linux out of the picture. We suggest including Linux for several reasons.

First, if you’re using tools that target both Windows and Mac, adding Linux isn’t too big of a stretch. Even if your main user base doesn’t include many Linux users, you’ve certainly got Linux lovers among your developers. Developers on your team will appreciate the ability to use your application on their favorite platform. Most importantly, the Linux ecosystem is rich with open-source tools for debugging, profiling, and optimizing applications, which can significantly enhance developer productivity and code robustness. Building on all three main platforms ensures you have the widest array of tools to find issues and improve your software.

Multiplatform tools

What tools make sense for creating the best multiplatform environment? Here are a few to consider:

• Analyzers, linters, and profilers: Regular use of linters and static analyzers such as Clang Static Analyzer, Clang-Tidy, Clazy, and SonarQube helps maintain code quality by detecting potential errors before they become problematic, while profilers and performance analyzers like Perf, Valgrind, VTune, and Hotspot help find and fix difficult bugs.
• Cross-platform development environments: IDEs such as VS Code, Qt Creator, and Eclipse offer extensive support for multiplatform development. These IDEs can launch multiplatform build environments like CMake, allowing both visual and command-line control over your software development process.
• Containerization and virtualization: Tools like Docker, Kubernetes, VirtualBox, or other VMs can simulate different operating environments on a single hardware platform. This is great for quickly spinning up developers and new development environments and makes for efficient cross-platform testing.

It’s all about flexibility

The primary benefit of multiplatform is the flexibility it provides. This flexibility doesn’t just let users choose their platform of choice. It also allows developers to access tools from across the development spectrum and run in environments where they’re most efficient. If this sounds interesting, check out our desktop best practice guide.

About KDAB

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KDAB provides market leading software consulting and development services and training in Qt, C++ and 3D/OpenGL. Contact us.

The post Mastering Cross-platform Desktop Apps appeared first on KDAB.

Is your data locked up in portable document format (PDFs)? In this talk we’re going to explore methods to extract text and other data from PDFs using readily-available, open-source Python tools (such as pypdf), as well as techniques such as OCR (optical character recognition) and table extraction. We will also discuss the philosophy of text extraction as a whole.

We're excited to announce that "Drupal CMS" will be the official name for the product developed by the Drupal Starshot Initiative.

The name "Drupal CMS" was chosen after user testing with both newcomers and experienced users. This name consistently scored highest across all tested groups, including marketers unfamiliar with Drupal.

Participants appreciated the clarity it brings:

Having the words CMS in the name will make it clear what the product is. People would know that Drupal was a content management system by the nature of its name, rather than having to ask what Drupal is.

I'm a designer familiar with the industry, so the term CMS or content management system is the term or phrase that describes this product most accurately in my opinion. I think it is important to have CMS in the title.

The name "Drupal Starshot" will remain an internal code name until the first release of Drupal CMS, after which it will most likely be retired.

— Dries Buytaert

After a long wait, Plasma Dialer 24.08 is finally out. This released is based on Qt6 and contains 17 months of bug fixing as well as small improvements all other the place.

Packager Section

You can find the package on download.kde.org and it has been signed with my Carl's GPG key.

Series Overview & ToC | Previous Article | Next Article - coming soon! --- So far we have migrated three entity types: content types, taxonomy vocabularies, and paragraphs. It is very common that fields are attached to those, and other entities, to collect and display data. Field migrations can be tricky. For one, it is a multi-step process that requires, at a minimum, four different migrations. Additionally, it is common to find errors because field related configuration used in Drupal 7 is not available in Drupal 10. In this article, we take a pause from executing migrations to understand how fields work in Drupal. The information presented today will prove useful for custom migrations, especially when they include content model changes. ## Understanding Drupal fields Drupal fields are used to provide structure to the information the CMS stores. They save discrete data, which can be used for displaying, filtering, and sorting purposes. Fields are attached to entities like nodes, users, taxonomy terms, blocks, etc. For entities that can have bundles, each bundle can have a different set of fields attached to them. The node entity, for example, almost always has a different set of fields attached to each content type...

Read more mauricio Wed, 08/14/2024 - 15:40

Each new version of Python adds new features to the language. Back when Python 3.8 was released, the biggest change was the addition of assignment expressions. Specifically, the := operator gave you a new syntax for assigning variables in the middle of expressions. This operator is colloquially known as the walrus operator.

This tutorial is an in-depth introduction to the walrus operator. You’ll learn some of the motivations for the syntax update and explore examples where assignment expressions can be useful.

In this tutorial, you’ll learn how to:

• Identify the walrus operator and understand its meaning
• Understand use cases for the walrus operator
• Avoid repetitive code by using the walrus operator
• Convert between code using the walrus operator and code using other assignment methods
• Use appropriate style in your assignment expressions

Note that all walrus operator examples in this tutorial require Python 3.8 or later to work.

Get Your Code: Click here to download the free sample code that shows you how to use Python’s walrus operator.

Take the Quiz: Test your knowledge with our interactive “The Walrus Operator: Python's Assignment Expressions” quiz. You’ll receive a score upon completion to help you track your learning progress:

Interactive Quiz

The Walrus Operator: Python's Assignment Expressions

In this quiz, you'll test your understanding of the Python Walrus Operator. This operator was introduced in Python 3.8, and understanding it can help you write more concise and efficient code.

Walrus Operator Fundamentals

First, look at some different terms that programmers use to refer to this new syntax. You’ve already seen a few in this tutorial.

The := operator is officially known as the assignment expression operator. During early discussions, it was dubbed the walrus operator because the := syntax resembles the eyes and tusks of a walrus lying on its side. You may also see the := operator referred to as the colon equals operator. Yet another term used for assignment expressions is named expressions.

Hello, Walrus!

To get a first impression of what assignment expressions are all about, start your REPL and play around with the following code:

Python 1>>> walrus = False 2>>> walrus 3False 4 5>>> (walrus := True) 6True 7>>> walrus 8True Copied!

Line 1 shows a traditional assignment statement where the value False is assigned to walrus. Next, on line 5, you use an assignment expression to assign the value True to walrus. After both lines 1 and 5, you can refer to the assigned values by using the variable name walrus.

You might be wondering why you’re using parentheses on line 5, and you’ll learn why the parentheses are needed later on in this tutorial.

Note: A statement in Python is a unit of code. An expression is a special statement that can be evaluated to some value.

For example, 1 + 2 is an expression that evaluates to the value 3, while number = 1 + 2 is an assignment statement that doesn’t evaluate to a value. Although running the statement number = 1 + 2 doesn’t evaluate to 3, it does assign the value 3 to number.

In Python, you often see simple statements like return statements and import statements, as well as compound statements like if statements and function definitions. These are all statements, not expressions.

There’s a subtle—but important—difference between the two types of assignments with the walrus variable. An assignment expression returns the value, while a traditional assignment doesn’t. You can see this in action when the REPL doesn’t print any value after walrus = False on line 1 but prints out True after the assignment expression on line 5.

You can see another important aspect about walrus operators in this example. Though it might look new, the := operator does not do anything that isn’t possible without it. It only makes certain constructs more convenient and can sometimes communicate the intent of your code more clearly.

Now you have a basic idea of what the := operator is and what it can do. It’s an operator used in assignment expressions, which can return the value being assigned, unlike traditional assignment statements. To get deeper and really learn about the walrus operator, continue reading to see where you should and shouldn’t use it.

Implementation

Like most new features in Python, assignment expressions were introduced through a Python Enhancement Proposal (PEP). PEP 572 describes the motivation for introducing the walrus operator, the details of the syntax, and examples where the := operator can be used to improve your code.

This PEP was originally written by Chris Angelico in February 2018. Following some heated discussion, PEP 572 was accepted by Guido van Rossum in July 2018.

Since then, Guido announced that he was stepping down from his role as benevolent dictator for life (BDFL). Since early 2019, the Python language has been governed by an elected steering council instead.

The walrus operator was implemented by Emily Morehouse, and made available in the first alpha release of Python 3.8.

Motivation Read the full article at https://realpython.com/python-walrus-operator/ »

[ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to your inbox every couple of days. >> Click here to learn more and see examples ]

I’m happy to announce that Netplan version 1.1 is now available on GitHub and is soon to be deployed into a Debian and/or Ubuntu installation near you! Six months and 120 commits after the previous version (including one patch release v1.0.1), this release is brought to you by 17 free software contributors from around the globe.

Kudos to everybody involved!

Highlights

• Custom systemd-networkd-wait-online logic override to wait for link-local and routable interfaces. (#456, #482)
• Modification of the embedded-switch-mode setting without virtual-function (VF) definitions on SR-IOV devices (#454)
• Parser flag to ignore individual, broken configurations, instead of not generating any backend configuration (#412)
• Fixes for @ProtonVPN (#495) and @microsoft Azure Linux (#445), contributed by those companies

Releasing v1.1

• CI: adopt autopkgtest for 1.0-1 on 22.04 by @slyon in #446
• tools/keyfile_to_yaml: display the generated YAML by @daniloegea in #452
• tests: import the config fuzzing tests by @daniloegea in #453
• ATTN: parse/bonds: handle same primary in multiple bonds by @daniloegea in #451
• sriov: accept setting the eswitch mode without VFs (LP#2020409) by @daniloegea in #454
• Custom systemd-networkd-wait-online override to wait on interfaces. (Closes: #1008995) (LP#2060311) by @slyon in #456
• Ignore bad NetDefs and files via parser flags by @daniloegea in #412
• networkd:apply: Drop handling of legacy wpa@ instance units by @slyon in #471
• migrate: support aliases by @Kristof0127 in #473
• networkd: add ipv6 ra overrides (LP#1973222) by @KhooHaoYit in #461
• netplan status –diff fixes and improvements by @daniloegea in #466
• apply: make sure that networkd is restarted when needed by @alfonsosanchezbeato in #449
• Don’t escape certain non-ascii characters by @daniloegea in #486
• networkd: make s-n-wait-online wait for at least one routable interface by @slyon in #482
• networkd: Implement ipv6-address-generation: stable-privacy by @tatokis in #480
• Implementing advmss ip route option by @barvius in #489
• meson: Add ‘testing’ option by @slyon in #493
• Add a scheduled workflow to run TICS by @daniloegea in #498
• ci: migrate to Ubuntu 24.04 by @daniloegea in #465
• Prepare Netplan v1.1 by @slyon in #504

Documentation

• Fix wrong syntax in example by @fzakfeld in #459
• Tutorial improvements by @rkratky in #458
• added guide for contributing to the netplan documentation by @ade555 in #457
• Add initial SECURITY.md policy by @slyon in #478
• Create single-nic-vm-host.md by @ilvipero in #475
• Create single-nic-vm-host-with-vlans.md by @ilvipero in #476
• Create multi-nic-vm-host-with-bonds-and-vlans.md by @ilvipero in #477
• bullet point removal by @shirleyherox in #483
• Add netplan try to netplan tutorial by @davidekete in #494
• Update the docs checks runner to ubuntu-latest by @rkratky in #500
• Add spelling exceptions by @rkratky in #499

Bug fixes

• Fix logging setup when python-rich is not present by @frhuelsz in #445
• parse-nm: add a workaround for the DoT DNS option (LP#2055148) by @daniloegea in #447
• parse: don’t remove datalist items during iteration by @daniloegea in #450
• parse: fix redefinition of gateway(4|6) by @daniloegea in #460
• python: elements of all must be strings by @daniloegea in #464
• CI: Fix DebCI check, using newer ‘meson’ from unstable by @slyon in #467
• tests: fix diff test with iproute2 6.8 by @daniloegea in #469
• cli/generate: skip daemon_reload with –mapping by @daniloegea in #470
• CI: fork spread to get snapcore/spread#179 fixes by @slyon in #472
• ctests: fix a memory leak in a unit test by @daniloegea in #474
• nm/nd: fix a couple of crashes by @daniloegea in #468
• test:integration: Try to improve test flakyness (Closes: #1069871) by @slyon in #481
• Security fixes (CVE-2022-4968) by @daniloegea in #484
• emitter: allow unicode characters in the emitter (LP#2071652) by @daniloegea in #485
• CLI:apply: call udevadm trigger, using –action=move (Closes: #1071220) (LP#2066344, LP#2071363) by @slyon in #479
• CI: fix CodeQL permissions by @slyon in #491
• ci: run meson tests with unbuffer by @daniloegea in #501
• ci/tics: install “expect” as a dependency by @daniloegea in #502
• generate: avoid calling ‘udevadm control –reload’ (LP#1999178) by @slyon in #488
• netplan ignores NetworkManager ipv4.route-metric (LP#2076172) by @calexandru2018 in #495
• Change default umask when creating dirctories (LP#2076319) by @rmalz-c in #497

New Contributors

• @frhuelsz made their first contribution in #445
• @fzakfeld made their first contribution in #459
• @Kristof0127 made their first contribution in #473
• @ade555 made their first contribution in #457
• @KhooHaoYit made their first contribution in #461
• @ilvipero made their first contribution in #475
• @shirleyherox made their first contribution in #483
• @tatokis made their first contribution in #480
• @barvius made their first contribution in #489
• @davidekete made their first contribution in #494
• @calexandru2018 made their first contribution in #495
• @rmalz-c made their first contribution in #497

Full Changelog: 1.0…1.1

As part of The DropTimes&#039; &quot;Meet the Candidate&quot; campaign, Janna Malikova, a candidate for the Drupal Association Board, shares her vision for enhancing Drupal&#039;s role in academia. Learn how she plans to leverage her experience in software engineering and community leadership to integrate Drupal into academic curriculums, improve documentation, and cultivate the next generation of Drupal users and contributors.

At DrupalGovCon 2024, a panel of experts will discuss strategies for rebuilding local Drupal communities post-pandemic. Key topics include inclusivity, community engagement, and adapting to new web technologies.