add ability to fitler by dependency list

src/ahriman/application/ahriman.py

@@ -136,6 +136,7 @@ def _set_rebuild_parser(root: SubParserAction) -> argparse.ArgumentParser:
     """
     parser = root.add_parser("rebuild", help="rebuild repository", description="rebuild whole repository",
                              formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+    parser.add_argument("--depends-on", help="only rebuild packages that depend on specified package")
     parser.set_defaults(handler=handlers.Rebuild)
     return parser
 

src/ahriman/application/handlers/rebuild.py

@@ -40,5 +40,9 @@ class Rebuild(Handler):
         :param configuration: configuration instance
         """
         application = Application(architecture, configuration)
-        packages = application.repository.packages()
+        packages = [
+            package
+            for package in application.repository.packages()
+            if args.depends_on is None or args.depends_on in package.depends
+        ]  # we have to use explicit list here for testing purpose
         application.update(packages)

src/ahriman/core/report/html.py

@@ -43,6 +43,7 @@ class HTML(Report):
                    * architecture, string
                    * archive_size, pretty printed size, string
                    * build_date, pretty printed datetime, string
+                   * depends, sorted list of strings
                    * description, string
                    * filename, string,
                    * groups, sorted list of strings
@@ -95,6 +96,7 @@ class HTML(Report):
                 "architecture": properties.architecture or "",
                 "archive_size": pretty_size(properties.archive_size),
                 "build_date": pretty_datetime(properties.build_date),
+                "depends": properties.depends,
                 "description": properties.description or "",
                 "filename": properties.filename,
                 "groups": properties.groups,

src/ahriman/core/repository/repository.py

@@ -53,4 +53,4 @@ class Repository(Executor, UpdateHandler):
         get list of files in built packages directory
         :return: list of filenames from the directory
         """
-        return list(self.paths.packages.iterdir())
+        return list(filter(package_like, self.paths.packages.iterdir()))

src/ahriman/models/package.py

@@ -52,6 +52,13 @@ class Package:
 
     _check_output = check_output
 
+    @property
+    def depends(self) -> List[str]:
+        """
+        :return: sum of dependencies per arch package
+        """
+        return sorted(set(sum([package.depends for package in self.packages.values()], start=[])))
+
     @property
     def git_url(self) -> str:
         """

src/ahriman/models/package_description.py

@@ -32,6 +32,7 @@ class PackageDescription:
     :ivar architecture: package architecture
     :ivar archive_size: package archive size
     :ivar build_date: package build date
+    :ivar depends: package dependencies list
     :ivar description: package description
     :ivar filename: package archive name
     :ivar groups: package groups
@@ -43,6 +44,7 @@ class PackageDescription:
     architecture: Optional[str] = None
     archive_size: Optional[int] = None
     build_date: Optional[int] = None
+    depends: List[str] = field(default_factory=list)
     description: Optional[str] = None
     filename: Optional[str] = None
     groups: List[str] = field(default_factory=list)
@@ -69,6 +71,7 @@ class PackageDescription:
             architecture=package.arch,
             archive_size=package.size,
             build_date=package.builddate,
+            depends=package.depends,
             description=package.desc,
             filename=path.name,
             groups=package.groups,

src/ahriman/web/views/index.py

@@ -36,6 +36,7 @@ class IndexView(BaseView):
         architecture - repository architecture, string, required
         packages - sorted list of packages properties, required
                    * base, string
+                   * depends, sorted list of strings
                    * groups, sorted list of strings
                    * licenses, sorted list of strings
                    * packages, sorted list of strings
@@ -61,6 +62,7 @@ class IndexView(BaseView):
         packages = [
             {
                 "base": package.base,
+                "depends": package.depends,
                 "groups": package.groups,
                 "licenses": package.licenses,
                 "packages": list(sorted(package.packages)),

tests/ahriman/application/handlers/test_handler_rebuild.py

@@ -4,12 +4,19 @@ from pytest_mock import MockerFixture
 
 from ahriman.application.handlers import Rebuild
 from ahriman.core.configuration import Configuration
+from ahriman.models.package import Package
+
+
+def _default_args(args: argparse.Namespace) -> argparse.Namespace:
+    args.depends_on = None
+    return args
 
 
 def test_run(args: argparse.Namespace, configuration: Configuration, mocker: MockerFixture) -> None:
     """
     must run command
     """
+    args = _default_args(args)
     mocker.patch("pathlib.Path.mkdir")
     application_packages_mock = mocker.patch("ahriman.core.repository.repository.Repository.packages")
     application_mock = mocker.patch("ahriman.application.application.Application.update")
@@ -17,3 +24,36 @@ def test_run(args: argparse.Namespace, configuration: Configuration, mocker: Moc
     Rebuild.run(args, "x86_64", configuration)
     application_packages_mock.assert_called_once()
     application_mock.assert_called_once()
+
+
+def test_run_filter(args: argparse.Namespace, configuration: Configuration,
+                    package_ahriman: Package, package_python_schedule: Package,
+                    mocker: MockerFixture) -> None:
+    """
+    must run command with depends filter
+    """
+    args = _default_args(args)
+    args.depends_on = "python-aur"
+    mocker.patch("pathlib.Path.mkdir")
+    mocker.patch("ahriman.core.repository.repository.Repository.packages",
+                 return_value=[package_ahriman, package_python_schedule])
+    application_mock = mocker.patch("ahriman.application.application.Application.update")
+
+    Rebuild.run(args, "x86_64", configuration)
+    application_mock.assert_called_with([package_ahriman])
+
+
+def test_run_without_filter(args: argparse.Namespace, configuration: Configuration,
+                            package_ahriman: Package, package_python_schedule: Package,
+                            mocker: MockerFixture) -> None:
+    """
+    must run command for all packages if no filter supplied
+    """
+    args = _default_args(args)
+    mocker.patch("pathlib.Path.mkdir")
+    mocker.patch("ahriman.core.repository.repository.Repository.packages",
+                 return_value=[package_ahriman, package_python_schedule])
+    application_mock = mocker.patch("ahriman.application.application.Application.update")
+
+    Rebuild.run(args, "x86_64", configuration)
+    application_mock.assert_called_with([package_ahriman, package_python_schedule])

tests/ahriman/conftest.py

@@ -61,6 +61,7 @@ def package_description_ahriman() -> PackageDescription:
         architecture="x86_64",
         archive_size=4200,
         build_date=42,
+        depends=["devtools", "git", "pyalpm", "python-aur", "python-srcinfo"],
         description="ArcHlinux ReposItory MANager",
         filename="ahriman-0.12.1-1-any.pkg.tar.zst",
         groups=[],
@@ -75,6 +76,7 @@ def package_description_python_schedule() -> PackageDescription:
         architecture="x86_64",
         archive_size=4201,
         build_date=421,
+        depends=["python"],
         description="Python job scheduling for humans.",
         filename="python-schedule-1.0.0-2-any.pkg.tar.zst",
         groups=[],
@@ -89,6 +91,7 @@ def package_description_python2_schedule() -> PackageDescription:
         architecture="x86_64",
         archive_size=4202,
         build_date=422,
+        depends=["python2"],
         description="Python job scheduling for humans.",
         filename="python2-schedule-1.0.0-2-any.pkg.tar.zst",
         groups=[],

tests/ahriman/models/conftest.py

@@ -42,6 +42,7 @@ def pyalpm_package_description_ahriman(package_description_ahriman: PackageDescr
     mock = MagicMock()
     type(mock).arch = PropertyMock(return_value=package_description_ahriman.architecture)
     type(mock).builddate = PropertyMock(return_value=package_description_ahriman.build_date)
+    type(mock).depends = PropertyMock(return_value=package_description_ahriman.depends)
     type(mock).desc = PropertyMock(return_value=package_description_ahriman.description)
     type(mock).groups = PropertyMock(return_value=package_description_ahriman.groups)
     type(mock).isize = PropertyMock(return_value=package_description_ahriman.installed_size)

tests/ahriman/models/test_package.py

@@ -9,6 +9,16 @@ from ahriman.models.package import Package
 from ahriman.models.repository_paths import RepositoryPaths
 
 
+def test_depends(package_python_schedule: Package) -> None:
+    """
+    must return combined list of dependencies
+    """
+    assert all(
+        set(package_python_schedule.depends).intersection(package.depends)
+        for package in package_python_schedule.packages.values()
+    )
+
+
 def test_git_url(package_ahriman: Package) -> None:
     """
     must generate valid git url