Add find_coffee_requirements.py so you can find coffee

find_coffee_requirements

@@ -0,0 +1,74 @@
+#! /usr/bin/env python
+from __future__ import print_function
+
+import argparse
+import re
+
+# = require blah
+#= require blah
+#= require "blah"
+#=require blah
+require_regex = re.compile("#[ ]*=[ ]*require[ \"']*(.+?)[\"'\s]+")
+
+
+def get_require_lines(filename):
+    require_lines = []
+
+    with open(filename) as f:
+        for line in f:
+            matches = re.match(require_regex, line)
+
+            if matches is not None:
+                require = matches.groups()[0]
+                require_lines.append(require)
+    return require_lines
+
+
+# get_requirement_filenames(starting_filename: str) -> Tuple[List[str], List[str]]
+def get_requirement_filenames(assets_dir, starting_filename):
+    all_file_names = []
+    missing_file_names = []
+
+    require_lines = get_require_lines(starting_filename)
+
+    for require in require_lines:
+        try:
+            current_require_lines, current_missing_filenames = get_requirement_filenames(
+                assets_dir,
+                "{assets_dir}{require}.js.coffee".format(
+                    assets_dir=assets_dir,
+                    require=require
+                )
+            )
+            all_file_names.extend(current_require_lines)
+            missing_file_names.extend(current_missing_filenames)
+        except IOError:
+            missing_file_names.append(require)
+            continue
+
+    all_file_names.extend(
+        require for require in require_lines
+        if require not in missing_file_names
+    )
+
+    return (list(set(all_file_names)), list(set(missing_file_names)))
+
+
+
+def main():
+    parser = argparse.ArgumentParser(description='Check deps matching between a parent and a sub')
+
+    # example 'app/assets/javascripts/teach/course-creation-component.js.coffee'
+    parser.add_argument('filename', help='The file to use for starting the requirement search')
+    args = parser.parse_args()
+    parser.add_argument('--asset_dir', help='Asset dir to look into', default='./')
+
+    (requirement_filenames, missing_filenames) = get_requirement_filenames(args.asset_dir, args.filename)
+
+    print('\n'.join(requirement_filenames))
+    print('--------------\n But I couldn\'t find the following files:\n\n')
+    print('\n'.join(missing_filenames))
+
+
+if __name__ == '__main__':
+    main()