Bump click from 7.1.2 to 8.0.1 (#95)

* Bump click from 7.1.2 to 8.0.1

Bumps [click](https://github.com/pallets/click) from 7.1.2 to 8.0.1.
- [Release notes](https://github.com/pallets/click/releases)
- [Changelog](https://github.com/pallets/click/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/click/compare/7.1.2...8.0.1)

Signed-off-by: dependabot[bot] <support@github.com>

* Get version using importlib.metdata

* Conditionally import metadata

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Dave Gallant <dave.gallant@rewind.io>

rfd/VERSION

@@ -1 +0,0 @@
-0.7.1

rfd/__version__.py

@@ -1,12 +0,0 @@
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
-from os.path import dirname, abspath, join
-
-
-def load_version():
-    with open(join(dirname(abspath(__file__)), "VERSION")) as handle:
-        return handle.read()
-
-
-version = load_version()

rfd/cli.py

@@ -4,11 +4,15 @@ from __future__ import unicode_literals
 import logging
 import sys
 import click
+try:
+    from importlib import metadata
+except ImportError: # for Python<3.8
+    import importlib_metadata as metadata
 from colorama import init
 from .api import get_threads, get_posts
 from .threads import parse_threads, search_threads, sort_threads, generate_thread_output
 from .posts import generate_posts_output
-from .__version__ import version as current_version
+
 
 init()
 
@@ -18,12 +22,12 @@ logging.getLogger().addHandler(logging.StreamHandler())
 
 
 def get_version():
-    return "rfd v" + current_version
+    return "rfd v" + metadata.version("rfd")
 
-def print_version(ctx, value):
+def print_version(ctx, _, value):
     if not value or ctx.resilient_parsing:
         return
-    click.echo(get_version(), nl=False)
+    click.echo(get_version(), nl=True)
     ctx.exit()