gaphor/Lobby

Gaphor is the simple modeling tool.

Dan Yeaw

@danyeaw

Probably at some point but it sounds like their release cadence is a few years, but maybe this is a good reason for a new release

Arjan Molenaar

@amolenaar

Merry Christmas everyone!

Dan Yeaw

@danyeaw

Merry Christmas!

You have been busy with Gaphor! :smile:

Arjan Molenaar

@amolenaar

@danyeaw Got you another Xmas present :D gaphor/gaphor#572

Dan Yeaw

@danyeaw

Woot, you are delivering lots of gifts!

:gift:

Arjan Molenaar

@amolenaar

:smile:

Dan Yeaw

@danyeaw

@amolenaar I don't think that codesign will work on the custom package.sh version of Gaphor.app because of the Frameworks directory. It sees Python.framework as a bundle and isn't recognized as a valid bundle by Apple. Could we move it in to Resources?

Arjan Molenaar

@amolenaar

Hmm... I saw several posts on stackoverflow where people suggested creating a custom framework to "store" libraries.

Isn't it because Python.framework is already signed, one way or another?

It shouldn't be too hard to move it to Resources, though.

Dan Yeaw

@danyeaw

I could definitely be wrong, but I think it is because it isn't a signed official bundle from Apple to be used with XCode and the rest of their ecosystem

I created a PyInstaller issue as well: pyinstaller/pyinstaller#5422

This is the error message with bundle:

Gaphor.app: bundle format unrecognized, invalid, or unsuitable
In subcomponent: /Users/runner/work/gaphor/gaphor/macos-dmg/Gaphor.app/Contents/Frameworks/Python.framework

Dan Yeaw

@danyeaw

I just pushed an attempt to move Python.framework to Resources to the chore/macos-sign-notarize branch. Any hints on how to troubleshoot gaphor crashing when launching? I ran the validate script and I didn't see much of a clue in the console log.

Arjan Molenaar

@amolenaar

Did you update the library references using name_tool? The command ‘otool -L file’ should show you which lobs it will resolve. The library paths are kinda fixes on macos.

Isn’t the framework invalid because it’s missing a path?

Dan Yeaw

@danyeaw

I did set the PyRuntimeLocations in the Info.plist, is there some other path being set?

Dan Yeaw

@danyeaw

which libraries should I be checking? Sorry all this macOS stuff with dynlibs seems like like black magic to me :smile:

Arjan Molenaar

@amolenaar

I'm not sure. I have to check where PyRuntimeLocations is being used (is it used in main.c?).

For sure all libs in the Frameworks folder and the libs that depend in anything framwork (pygobject, pycairo)

I think you'll like this PR I made: gaphor/gaphor#582

It requires all changes on the model to be wrapped in a transaction. In the code we already do that, but now there's no way to mess it up from the console :D

Is there something I can do to verify everything can be signed?

Dan Yeaw

@danyeaw

Cool, I'll take a look at the PR!

No, I don't know of a test signing command. I think you have to just try to sign it and see what happens

Dan Yeaw

@danyeaw

I was poking around and the Python.framework directory is the default for py2app, so I'm assuming it is being created by the main.c file from py2app as well?

Arjan Molenaar

@amolenaar

I suppose a Py2app app can be signed?

Dan Yeaw

@danyeaw

It doesn't seem like it is officially supported, glyph got it to work by using the recipe API here: https://glyph.twistedmatrix.com/2018/01/shipping-pygame-mac-app.html

Dan Yeaw

@danyeaw

Dang packaging is always so hard :sweat_smile:

Arjan Molenaar

@amolenaar

I added some comments to #581 (AppImage), while baking oliebollen (https://en.wikipedia.org/wiki/Oliebol).

I also dumped some thoughts on gaphor/gaphor#390.

Dan Yeaw

@danyeaw

Yum, I would love to have a one! I am putting a new kitchen faucet in, I think I would prefer the baking :smile:
Thanks, I responded to your comments about the AppImage and I am seeing if running the build on ubuntu-16.04 works to improve the AppImage compatibility. I'll take a look at #390 soon.

Arjan Molenaar

@amolenaar

Have you looked at appimage-builder?

Dan Yeaw

@danyeaw

I did see it, I expect that it is going to have similar issues as python-appimage though. To get all of the GTK / PyGObject dependencies packaged is very challenging without using something like PyInstaller

Dan Yeaw

@danyeaw

Welp, Gtk.EventControllerScroll is compatible with 3.24+, which means Ubuntu 20.04+ only :smile:.

Dan Yeaw

@danyeaw

Which if really find with me that we are only supporting desktops on the latest LTR.

Arjan Molenaar

@amolenaar

Happy New Year

Dan Yeaw

@danyeaw

:tada: :confetti_ball: :wine_glass: :beers:

Dan Yeaw

@danyeaw

I'll try to get your PRs reviewed tomorrow, I spent a lot of time today trying to get changes merged with PyInstaller and I didn't get to them

Arjan Molenaar

@amolenaar

I'm trying to fix the undo behaviour "once and for all". It proves trickier than I expected, though.

I think I'm almost there: gaphor/gaphor#588.

I think the new solution will be more solid. For one it recreates elements on undo, instead of reusing the old elements. Reusing the old presentation gave some trouble.

Dan Yeaw

@danyeaw

Nice, that sounds like a really big challenge

Arjan Molenaar

@amolenaar

I expect it to be more solid now.

Dan Yeaw

@danyeaw

Should I start reviewing it today?

Arjan Molenaar

@amolenaar

I think this is how you want to see connecting to Elements work: gaphor/gaphas#194

Dan Yeaw

@danyeaw

@amolenaar Yup, it looks really good!

kellenmoura

@kellenmoura

Good night, does anyone know how to put multiplicity in a relationship object (as in the association relationship)? For example, I want to put the multiplicity option in my code relation object below

from gaphor import UML3
from gaphor import UML
from gaphor.diagram.presentation import LinePresentation
from gaphor.diagram.shapes import Box, Text, EditableText
from gaphor.diagram.support import represents
from gaphor.UML.modelfactory import stereotypes_str

@represents(UML3.Formal)
class FormalItem(LinePresentation):
    def __init__(self, id=None, model=None):
        super().__init__(id, model)


        self.shape_middle = Text(
            text=lambda: stereotypes_str(self.subject, ("Formal",)),
        )
        self.watch("subject[NamedElement].name")
        self.watch("subject.appliedStereotype.classifier.name")


    def draw_head(self, context):
        cr = context.cairo
        cr.move_to(0, 0)
        cr.line_to(15, -10)
        cr.line_to(15, 10)
        cr.close_path()
        cr.stroke()
        cr.move_to(15, 0)

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