Add env command for printing environment info

twitchdl/commands/__init__.py

@@ -1,11 +1,13 @@
 from .clips import clips
 from .download import download
+from .env import env
 from .info import info
 from .videos import videos
 
 __all__ = [
     clips,
     download,
+    env,
     info,
     videos,
 ]

twitchdl/commands/env.py

@@ -0,0 +1,9 @@
+import platform
+import sys
+import twitchdl
+
+
+def env(args):
+    print("twitch-dl", twitchdl.__version__)
+    print("Platform:", platform.platform())
+    print("Python", sys.version)

twitchdl/console.py

@@ -207,6 +207,11 @@ COMMANDS = [
                 "default": False,
             }),
         ],
+    ),
+    Command(
+        name="env",
+        description="Print environment information for inclusion in bug reports.",
+        arguments=[],
     )
 ]