Hi,
On 1/17/25 3:25 PM, Kjeld Flarup via lists.yoctoproject.org wrote:
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I try to write an append for do_unpack
do_unpack:append() {
echo Hello
}
But it looks like it is parsed as Python
parser = bb.codeparser.PythonParser(key, logger)
> parser.parse_python(value, filename=varflags.get("filename"),
lineno=varflags.get("lineno"))
deps = deps | parser.references
File "/tmp/yocto/meta-poky/bitbake/lib/bb/codeparser.py", line 358, in
PythonParser.parse_python(node="\n bb.build.exec_func('base_do_unpack', d)\n echo
Hello\n", lineno=1, filename='autogenerated', fixedhash=None):
node = "\n" * int(lineno) + node
> code = compile(check_indent(str(node)), filename, "exec",
ast.PyCF_ONLY_AST)
File "autogenerated", line 3
echo Hello
^
IndentationError: unindent does not match any outer indentation level
Isn't this possible using shell
Tasks can be python or shell, here do_unpack is Python, so you need to
write Python code in :prepend or :append.
Depending on your usecase, you can simply add a new task and insert it
between do_unpack and the next task depending on this change for example.
Another option is to use bb.build.exec_func() from Python code to
execute a shell function, though I don't think this is widely used
outside of core code (and I haven't used it myself, so maybe not the
best practice either).
You can also have shell functions run after the python task is run,
those are added with:
do_unpack[prefuncs] += "my-shell-func another-shell-func"
do_unpack[postfuncs] += "my-shell-func yet-another-shell-func"
c.f.
https://docs.yoctoproject.org/bitbake/bitbake-user-manual/bitbake-user-manual-metadata.html#variable-flags
Cheers,
Quentin
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