Templates: various questions not worth their own thread

[chaley]

Originally Posted by ownedbycats

That works. I didn't realize it was possible to re-use a variable name and have it return different things. That will be useful to know.

Ahhh, that explains some of your previous questions.

A variable is a container, not an alias. You set or change the contents of a variable by assigning to it. A copy is made of the result of computing the expression on the right-hand side of the '=' then then stored in the variable named on the left-hand side of the '='. The right-hand expression is evaluated before assignment so assigning to a variable doesn't affect the result of the expression. And vice versa, you can change anything that was used in a previous expression without changing what was stored in the variable.

Examples:

    x = 5;
# x contains the value 5.
    y = x + 1;
# y contains 6 (5 + 1). x still contains 5.
    x = x + 10
# x contains 15 (5 + 10). y still contains 6.
    y = x + 1;
# y contains 16 (15 + 1). x still contains 15.
    y = (x + y) * 2;
# y contains 62 ((15 + 16) * 2). x still contains 15.
    y = x;
# y contains 15. x still contains 15.
    y = y + 1
# y contains 16. x still contains 15.

[ownedbycats]

Thanks.

Some stuff in the PyQt6 migration thread made me wonder: can template detect whether light or dark mode is in use?

[capink]

You can do it with a custom template function.

def evaluate(self, formatter, kwargs, mi, locals):
    from qt.core import QApplication
    if QApplication.instance().is_dark_theme:
        return 1
    else:
        return ''

function name: is_dark_theme
arg count: -1

program:
    is_dark_theme()

[ownedbycats]

Thanks. I don't have any use for it personally myself but I can see it being useful with people who switch between the themes.

[ownedbycats]

Is there any type of "goto" option in a template? e.g. if a book matches a certain check, then skip the rest of the if-tree and then go to the next one?

[chaley]

Originally Posted by ownedbycats

Is there any type of "goto" option in a template? e.g. if a book matches a certain check, then skip the rest of the if-tree and then go to the next one?

What is an "if-tree"? If it is nested ifs then why doesn't a nested if do the job?

The language doesn't support goto. It does support continue, break, and return.

[ownedbycats]

Yeah, I meant nested ifs. Probably a nested if would work just as well.

[chaley]

Originally Posted by ownedbycats

Is there any type of "goto" option in a template? e.g. if a book matches a certain check, then skip the rest of the if-tree and then go to the next one?

As you run from source, could you confirm that today's changes fix your problems?

[ownedbycats]

If you mean the nested stored template thing, it's working on source.

[chaley]

Originally Posted by ownedbycats

If you mean the nested stored template thing, it's working on source.

Thanks.

Is there something that isn't working yet? I confess that I didn't completely follow your addition to the bug report so I assumed it was the same problem.

[ownedbycats]

My addition was mostly just about how it only affected new stored templates. For example, I'd already had a nested template, fanfic_unreadchaps(). Duplicating it into fanfic_unreadchaps2() and swapping it in broke the nesting. Putting it back unbroke it. Just found that very strange.

[ownedbycats]

Is the second equal sign turning yellow here a glitch?

[chaley]

Originally Posted by ownedbycats

Is the second equal sign turning yellow here a glitch?

Yes, caused by the requirement to highlight TPM syntax. Put a space before the quote to get rid of it.

[ownedbycats]

if select(ids, 'url') then
	if 
		'(Archive of Our Own|Fanfiction.net)' in $publisher 
		&& '(Completed|Abandoned|Oneshot|Incomplete)' in status
	then "metadata.png"

	elif
		!select(ids, 'ao3')
		&& $publisher == 'Archive of Our Own' 
		&& status == 'In-Progress'
		then 'metadata.png' 
	
	elif 
		!select(ids, 'ffnet')
		&& $publisher == 'FanFiction.net'
		&& status == 'In-Progress'
		then "metadata.png" 
	fi 
fi

Would it be able to combine the two bottom elifs into one? Regex (ao3|ffnet) is one way, but is there a way to keep the id/publisher pair separate from each other?

EDIT: Another question:



Did I somehow accidentally turn it into last_non_empty?

[chaley]

Originally Posted by ownedbycats

Is the second equal sign turning yellow here a glitch?

Attachment 191936

Originally Posted by chaley

Yes, caused by the requirement to highlight TPM syntax. Put a space before the quote to get rid of it.

I submitted a fix that deals with this by moving the problem to somewhere that 'won't happen'. The issue is that :' indicates the start of a TPM template so the single quote isn't the beginning of a string. My fix looks for that situation. Unfortunately there is one other place where :' can happen where the quote is the beginning of a string.

for x in $tags:'aa' rof

This statement is near meaningless so the situation probably won't arise. And if it does all that goes wrong is the highlighting.