Add default template, add optional dependencies

py2pack/__init__.py

@@ -41,6 +41,18 @@
     import libarchive
 except ModuleNotFoundError:
     libarchive = None
+
+DEFAULT_TEMPLATE = 'opensuse.spec'
+try:
+    import distro
+    DEFAULT_TEMPLATE = {
+        'fedora' : 'fedora.spec',
+        'debian' : 'opensuse.dsc',
+        'mageia' : 'mageia.spec'
+    }.get(distro.id(), DEFAULT_TEMPLATE)
+except ModuleNotFoundError:
+    pass
+
 import io
 
 
@@ -530,7 +542,7 @@ def main():
     parser_generate.add_argument('--source-glob', help='source glob template')
     parser_generate.add_argument('--local', action='store_true', help='build from local package')
     parser_generate.add_argument('--localfile', default='', help='path to the local PKG-INFO or json metadata')
-    parser_generate.add_argument('-t', '--template', choices=file_template_list(), default='opensuse.spec', help='file template')
+    parser_generate.add_argument('-t', '--template', choices=file_template_list(), default=DEFAULT_TEMPLATE, help='file template')
     parser_generate.add_argument('-f', '--filename', help='spec filename (optional)')
     # TODO (toabctl): remove this is a later release
     parser_generate.add_argument(

pyproject.toml

@@ -28,6 +28,8 @@ classifiers = [
 ]
 dependencies = [
     "Jinja2",
+    "distro",
+    "libarchive-c",
     "backports.entry_points_selectable",
     "build",
     "setuptools",
@@ -38,13 +40,20 @@ dependencies = [
     "requests",
     "tomli; python_version < '3.11'",
 ]
+
 requires-python = ">=3.6"
 dynamic = ['version']
 
 
 [project.urls]
 homepage = "http://github.com/openSUSE/py2pack"
 
+[project.optional-dependencies]
+service = [
+  "libarchive-c",
+  "distro",
+]
+
 [project.scripts]
 py2pack = "py2pack:main"