refactor and linting

scripts/change_link.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+"""
+author: deadc0de6 (https://github.com/deadc0de6)
+Copyright (c) 2018, deadc0de6
+
+change the `link` key in all dotfiles
+to a specific value
+
+usage example:
+    ./change-link.py --true ../config.yaml --ignore f_vimrc --ignore f_xinitrc
+"""
+
+import os
+import io
+from docopt import docopt
+from ruamel.yaml import YAML as yaml
+
+USAGE = """
+change-link.py
+
+Usage:
+  change-link.py --value=<value> [--ignore=<dotfile-name>...] <config.yaml>
+  change-link.py --help
+
+Options:
+  -h --help               Show this screen.
+
+"""
+
+KEY = 'dotfiles'
+ENTRY = 'link'
+
+
+def change_link(path, value, ignores):
+    """change link value"""
+    with open(path, 'r', encoding='utf-8') as file:
+        content = yaml(typ='safe').load(file)
+    for k, val in content[KEY].items():
+        if k in ignores:
+            continue
+        val[ENTRY] = value
+
+    output = io.StringIO()
+    data = yaml()
+    data.default_flow_style = False
+    data.indent = 2
+    data.typ = 'rt'
+    data.dump(content, output)
+    print(output)
+
+
+def main():
+    """entry point"""
+    args = docopt(USAGE)
+    path = os.path.expanduser(args['<config.yaml>'])
+    value = args['--value']
+    ignores = args['--ignore']
+    change_link(path, value, ignores)
+
+
+if __name__ == '__main__':
+    main()