--- /dev/null
+#!/usr/bin/env python2
+import youtube_dl
+
+BASH_COMPLETION_FILE = "youtube-dl.bash_completion"
+BASH_COMPLETION_TEMPLATE = "devscripts/bash_completion.template"
+
+def build_completion(opt_parser):
+ opts_flag = []
+ for group in opt_parser.option_groups:
+ for option in group.option_list:
+ #for every long flag
+ opts_flag.append(option.get_opt_string())
+ with open(BASH_COMPLETION_TEMPLATE) as f:
+ template = f.read()
+ with open(BASH_COMPLETION_FILE, "w") as f:
+ #just using the special char
+ print opts_flag
+ filled_template = template.replace("{{flags}}", " ".join(opts_flag))
+ f.write(filled_template)
+
+parser = youtube_dl.parseOpts()[0]
+build_completion(parser)