Add CLI

Related to rpm-software-management#6

Signed-off-by: Matej Focko <[email protected]>

fedora_distro_aliases/cli.py

@@ -0,0 +1,42 @@
+import click
+
+from fedora_distro_aliases import get_distro_aliases
+
+GETTERS = {
+    "namever": lambda x: x.namever,
+    "branch": lambda x: x.branch,
+    "version": lambda x: x.version,
+}
+
+
+@click.command()
+@click.option(
+    "-o",
+    "--output-type",
+    type=click.Choice(("namever", "branch", "version"), case_sensitive=False),
+    default="namever",
+    help="""Choose the output format of the script.
+
+    Available options:\n
+    * namever — e.g., ‹fedora-40›\n
+    * branch — e.g., ‹f40›\n
+    * version — e.g., ‹40›
+    """
+)
+@click.argument("aliases", required=True, nargs=-1)
+def cli(aliases: list[str], output_type: str):
+    """Resolve the requested aliases.
+
+    Resolve each of the ALIASES and print them out.
+
+    This script prints out only unique aliases i.e., it is not possible to
+    obtain the same alias twice in the output.
+    """
+    getter = GETTERS[output_type]
+    distro_aliases = get_distro_aliases()
+
+    resolved_aliases: set[str] = set()
+    for alias in aliases:
+        resolved_aliases.update(getter(x) for x in distro_aliases[alias])
+
+    print(" ".join(resolved_aliases))

setup.py

@@ -20,6 +20,7 @@
 install_requires = [
     "munch",
     "requests",
+    "Click",  # for the CLI and GH Action
 ]
 
 __description__ = "Aliases for active Fedora releases"
@@ -43,4 +44,10 @@
     packages=find_packages(),
     include_package_data=True,
     zip_safe=False,
+    py_modules=["cli"],
+    entry_points={
+        "console_scripts": [
+            'resolve-fedora-aliases = fedora_distro_aliases.cli:cli'
+        ],
+    },
 )