feat: add mafic -v for version checking

mafic/__libraries.py

@@ -22,6 +22,7 @@
     "VoiceServerUpdatePayload",
     "dumps",
     "loads",
+    "version_info",
 )
 
 libraries = ("nextcord", "disnake", "py-cord", "discord.py", "discord")
@@ -59,21 +60,42 @@
 
 
 if library == "nextcord":
-    from nextcord import Client, Guild, StageChannel, VoiceChannel, VoiceProtocol
+    from nextcord import (
+        Client,
+        Guild,
+        StageChannel,
+        VoiceChannel,
+        VoiceProtocol,
+        version_info,
+    )
     from nextcord.abc import Connectable, GuildChannel
     from nextcord.backoff import ExponentialBackoff
     from nextcord.types.voice import (
         GuildVoiceState as GuildVoiceStatePayload,
         VoiceServerUpdate as VoiceServerUpdatePayload,
     )
 elif library == "disnake":
-    from disnake import Client, Guild, StageChannel, VoiceChannel, VoiceProtocol
+    from disnake import (
+        Client,
+        Guild,
+        StageChannel,
+        VoiceChannel,
+        VoiceProtocol,
+        version_info,
+    )
     from disnake.abc import Connectable, GuildChannel
     from disnake.backoff import ExponentialBackoff
     from disnake.types.gateway import VoiceServerUpdateEvent as VoiceServerUpdatePayload
     from disnake.types.voice import GuildVoiceState as GuildVoiceStatePayload
 else:
-    from discord import Client, Guild, StageChannel, VoiceChannel, VoiceProtocol
+    from discord import (
+        Client,
+        Guild,
+        StageChannel,
+        VoiceChannel,
+        VoiceProtocol,
+        version_info,
+    )
     from discord.abc import Connectable, GuildChannel
     from discord.backoff import ExponentialBackoff
     from discord.types.voice import (

mafic/__main__.py

@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: MIT
+
+from __future__ import annotations
+
+import platform
+import sys
+from argparse import ArgumentParser, Namespace
+
+import aiohttp
+
+import mafic
+
+from .__libraries import library, version_info
+
+VERSION_OUTPUT = """
+- Python v{py.major}.{py.minor}.{py.micro}-{py.releaselevel}
+- mafic v{mafic}
+- aiohttp v{aiohttp}
+- {lib} v{pkg.major}.{pkg.minor}.{pkg.micro}-{pkg.releaselevel}
+- system info: {uname.system} {uname.release} {uname.version}
+""".strip()
+
+
+def show_version():
+    version = mafic.__version__
+    uname = platform.uname()
+    print(
+        VERSION_OUTPUT.format(
+            py=sys.version_info,
+            mafic=version,
+            aiohttp=aiohttp.__version__,
+            uname=uname,
+            lib=library,
+            pkg=version_info,
+        )
+    )
+
+
+def core(_: ArgumentParser, args: Namespace):
+    if args.version:
+        show_version()
+
+
+def parse_args():
+    parser = ArgumentParser(prog="mafic", description="CLI tools for mafic")
+    parser.add_argument(
+        "-v",
+        "--version",
+        action="store_true",
+        help="shows mafic and other related versions",
+    )
+    return parser, parser.parse_args()
+
+
+def main():
+    parser, args = parse_args()
+    core(parser, args)
+
+
+if __name__ == "__main__":
+    main()