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| 08:11.16 | ThomasD13 | Hi, I have a small problem: I would like to deploy some binary files on my target image under a specific path (/opt/eddy/). I've created a small recipe https://pastebin.com/GvsP00Ck which deploys the binary files under / |
| 08:11.36 | ThomasD13 | What have I done wrong? |
| 08:12.11 | Dvorkin | I set array in config and trying to use it in do_configure() like this ${@d.getVarFlag("MYVAR","${c}")}, where $c is the variable from the bash. It gives an error. What is wrong? |
| 08:19.23 | LetoThe2nd | ThomasD13: you do inherit bin_package all the way down, so i think it overwrites some of the things you defined above. see the description of the class here https://www.yoctoproject.org/docs/latest/mega-manual/mega-manual.html#packaging-externally-produced-binaries |
| 08:19.58 | LetoThe2nd | ThomasD13: and inspect bitbake -e for your recipe, to verify that the effect of your recipe is actually like you intended it to be. |
| 08:24.09 | ThomasD13 | LetoThe2nd: Thanks for that hint! I inspect the output of bitbake -e of my recipe, but cannot find with with less the "${D}" variable. But it should come up there, right? I'm still not familiar how to debug bitbake in a effective way |
| 08:25.01 | LetoThe2nd | ThomasD13: no, its not the D variable. its probably the do_install task, as pointed out in the documentation that i linked to |
| 08:29.02 | ThomasD13 | Okay, i searched for "do_install" but it was not found in the output of bitbake -e eddy |
| 08:31.24 | ThomasD13 | ahhh, seems I need to force bitbake to execute do_install task |
| 08:31.32 | LetoThe2nd | ThomasD13: no. |
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| 08:31.51 | LetoThe2nd | ThomasD13: i am almost sure that you jsut need to move the bin_package inheritance upwards. |
| 08:38.47 | ThomasD13 | LetoThe2nd: ahhh nice! I think that was the problem. Thank you!! Now I can test further |
| 08:40.15 | LetoThe2nd | ThomasD13: always remember, recipes are evaluated from top to bottom. this means, you can include/inherit stuff at the top, and then still change it below |
| 08:40.29 | LetoThe2nd | ThomasD13: and, be sure to really read the doc section i pointed to. :) |
| 08:40.39 | ThomasD13 | I wasn't aware of that, thank you for pointing this out |
| 08:41.13 | LetoThe2nd | ThomasD13: have fun |
| 08:50.37 | ThomasD13 | Are there reasons to rather use "install" for creating folders and deploying files on the target, instead of using "cp -r" ? |
| 08:52.02 | LetoThe2nd | ThomasD13: mosty rights and owner things. see (shameless plug) my SO answer here https://stackoverflow.com/a/47084404/3151114 and the contained link |
| 08:54.38 | ThomasD13 | ah okay |
| 08:56.13 | ThomasD13 | Interesting, you are also from Bavaria ;) |
| 08:56.25 | LetoThe2nd | yep |
| 09:06.05 | Dvorkin | is it possible to build one recipe with two options at the same time? |
| 09:06.25 | rburton | no |
| 09:06.39 | rburton | both recipes would write the same packages |
| 09:08.11 | Dvorkin | how can get array value in the bash? ${@d.getVarFlag("ARR","${c}")}, where $c is the bash variable. It gives an error |
| 09:08.23 | rburton | well, yes |
| 09:09.12 | rburton | a fuller example might help show what you're trying to do |
| 09:11.29 | Dvorkin | rburton, https://pastebin.com/e7hqnaMu |
| 09:12.59 | rburton | don't think you could do that in a sh function, write it in python instead? |
| 09:13.26 | rburton | $c isn't going to work to get the sh function because at that point you're already in python scope, which is parsed and evaluated before the sh runs |
| 09:13.44 | rburton | the process is that do_configure() is a big string |
| 09:13.58 | rburton | it is ${} expanded, so ${S} becomes /path/to/work/dor |
| 09:14.08 | rburton | and ${@d.getVar...} is executed |
| 09:14.08 | Dvorkin | oh |
| 09:14.34 | rburton | the output of that expansion is then written to a file, and passed to bash |
| 09:16.16 | Dvorkin | I see. so ${@...} instruction expended before bash, right? |
| 09:16.37 | rburton | yes, all ${} references are expanded inside bitbake before bash sees it |
| 09:16.59 | rburton | ${FOO} is a datastore expansion, ${@...} is arbitrary python |
| 09:17.56 | Dvorkin | is there are hidden arg for do_configure() which I may use to pass 2 parameters (ey,value) from python? |
| 09:18.21 | rburton | how would that work? do_configure is a task |
| 09:20.23 | Dvorkin | so it looks like I'd better write "preprocessor" function for my array to map the python array to two bash arrays and then use this two arrays in _configure and other tasks |
| 09:21.40 | rburton | or write do_configure in python |
| 09:22.16 | rburton | your example still didn't show what you're actually trying to do though |
| 09:22.29 | Dvorkin | ... and two other tasks too :) |
| 09:22.57 | rburton | eg where are you getting the varflag name from? |
| 09:23.21 | Dvorkin | I'm trying to build bootloader like u-boot do: optionally it allows to create an array of configurations in .conf file and builds several versions at the same time |
| 09:23.59 | rburton | write a small py function to return a list that the sh can use? |
| 09:24.10 | Dvorkin | yes |
| 09:24.40 | Dvorkin | that's the idea looks simplest to me |
| 09:25.20 | Dvorkin | variable is come from platform/machine .inc file |
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| 10:23.16 | Dvorkin | is there are possibility to add a directory into bblayers.conf that may or may not exist? |
| 10:26.41 | rburton | no |
| 10:27.47 | Dvorkin | rburton, thank you for all your answers :) can you point me to example with the pyhon function defined in the recipe? |
| 10:28.47 | rburton | just do some_function_name() { ... } |
| 10:29.05 | rburton | erm, sorry, python some_function_name() {} |
| 10:47.02 | Dvorkin | unparsed line: 'python exp_K(vname) {' |
| 10:55.42 | rburton | inline functions don't have arguments apart from an implicit datastore |
| 10:56.04 | rburton | do you need to pass the name, or can the function just know that |
| 10:56.57 | rburton | oh, fool |
| 10:56.59 | rburton | you can use def |
| 10:57.12 | rburton | def myfuncton(arg, arg): |
| 10:57.16 | rburton | just inline |
| 10:57.32 | rburton | see recipes-connectivity/bluez5/bluez5.inc |
| 10:57.52 | rburton | (we should unify that syntax) |
| 11:01.42 | Dvorkin | thank you |
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| 13:25.48 | Dvorkin | dear rburton, sorry for too much questions, I did: https://pastebin.com/dwdWiBbZ |
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| 13:29.27 | Dvorkin | dear rburton, sorry for too much questions, I did: https://pastebin.com/dwdWiBbZ |
| 13:30.57 | Dvorkin | X_Ks after K1 expanded to {'key0': 'var0', ...} |
| 13:31.15 | rburton | yes you returned a dict and put it in a string |
| 13:31.19 | rburton | what do you think would happen? |
| 13:31.53 | Dvorkin | but after K2 it gives an error: 'NoneType' object has no attribute 'items' |
| 13:33.19 | rburton | not sure why you don't just write a single big py function to do all the wrangling and just return a string that your sh can handle |
| 13:33.53 | rburton | maybe varFlags is just dict like? |
| 13:35.13 | rburton | it returns none if there are no items found at all |
| 13:35.28 | rburton | not an empty dict |
| 13:35.38 | rburton | now as to why there are none found, that's a good question |
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| 13:50.36 | Dvorkin | looks strange. data is the same, but .items() is not the object function |
| 13:51.02 | Dvorkin | why? case, I know shell scripting much better then python :) |
| 13:52.15 | rburton | throw a bb.warn("I got %s", x) before calling items |
| 13:52.27 | rburton | though the error clearly says it got none so that won't help |
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| 14:00.16 | Dvorkin | rburton, https://pastebin.com/Hhj1DvuS |
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| 14:08.24 | Dvorkin | burton, https://pastebin.com/Hhj1DvuS |
| 14:09.04 | Dvorkin | and after your recommendation: https://pastebin.com/VbuzVGik |
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| 15:21.05 | Dvorkin | dear rburton, https://pastebin.com/Hhj1DvuS and after your recommendation: https://pastebin.com/VbuzVGik |
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