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package_manager/__init__.py: add function to give user reason about a missing package

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When users specify some package in IMAGE_INSTALL, but get some error
at rootfs time, the user might be confusing. This usually happens
when the user puts a recipe name in IMAGE_INSTALL.

To helper user understand more about what's going on, add a common
function here which makes use of pkgdata data to give the possible
reason about a missing package. This function is expected to be used
by package backends such as rpm.

(From OE-Core rev: 4c1f63a7618c5eef1684ecc52af50821a49e2e91)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chen Qi
2025-09-11 20:33:22 -07:00
committed by Richard Purdie
parent f5adf527f2
commit 16e7ffa2e2
1 changed files with 22 additions and 0 deletions
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22
meta/lib/oe/package_manager/__init__.py
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@@ -17,6 +17,7 @@ import oe.utils
import oe.path
import string
from oe.gpg_sign import get_signer
import oe.packagedata
import hashlib
import fnmatch
@@ -447,6 +448,27 @@ class PackageManager(object, metaclass=ABCMeta):
return res
return _append(uris, base_paths)
def get_missing_pkg_reason(self, pkg):
"""
Return a string describing the possible reason of a missing package.
"""
reason = ""
if not oe.packagedata.packaged(pkg, self.d):
if oe.packagedata.has_pkgdata(pkg, self.d):
packaged_pkgs = []
recipe_data = oe.packagedata.read_pkgdata(pkg, self.d)
for subpkg in recipe_data.get("PACKAGES", "").split():
if oe.packagedata.packaged(subpkg, self.d):
packaged_pkgs.append(subpkg)
reason = "%s is a recipe. Its generated packages are: %s\n" % (pkg, packaged_pkgs)
reason += "Either specify a generated package or set ALLOW_EMPTY:${PN} = \"1\" in %s recipe\n" % pkg
else:
reason = "%s is neither a recipe nor a generated package.\n" % pkg
else:
reason = "%s is a generated package.\n" % pkg
reason += "The reason it's not found might be that it's not in %s\n" % oe.path.join(self.d.getVar('WORKDIR'), "oe-rootfs-repo")
return reason
def create_packages_dir(d, subrepo_dir, deploydir, taskname, filterbydependencies, include_self=False):
"""
Go through our do_package_write_X dependencies and hardlink the packages we depend