A command-line script for compiling CoffeeScript files

coffeescript/__main__.py

@@ -0,0 +1,58 @@
+# Copyright (c) 2015 The MITRE Corp.
+
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
+# conditions:
+
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+__author__="jgibson"
+
+import argparse
+import coffeescript
+import os.path
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description='Compile CoffeeScript files with the Python-CoffeeScript bridge.')
+    parser.add_argument('-b', '--bare', default=False, action='store_true',
+        help='Compile without the top-level function wrapper.')
+    parser.add_argument('-o', '--output', default=None,
+        help='The output directory for the compiled JavaScript, defaults to where the CoffeeScript lives.')
+    parser.add_argument('-V', '--verbose', default=False, action='store_true',
+        help='Whether or not to be noisy during compilation.')
+    parser.add_argument('-c', '--compile', default=False, action='store_true',
+        help='Ignored. Exists only for compatibility with the native CoffeeScript compiler.')
+    parser.add_argument('filename', metavar='<CoffeeScript file>', nargs='+',
+        help='CoffeeScript file to compile.')
+    args = parser.parse_args()
+
+    for filename in args.filename:
+        if args.output:
+            path_pair = os.path.split(filename)
+            ext_pair = os.path.splitext(path_pair[1])
+            coffee_file = ext_pair[0] + '.js' if ext_pair[1].lower() == '.coffee' else path_pair[1] + '.js'
+            # The native CoffeeScript compiler appears to do the equivalent of os.path.normpath()
+            coffee_path = os.path.normpath(os.path.join(args.output, coffee_file))
+        else:
+            ext_pair = os.path.splitext(filename)
+            coffee_path = ext_pair[0] + '.js' if ext_pair[1].lower() == '.coffee' else filename + '.js'
+        if args.verbose:
+            print 'Compiling %s into %s' % (filename, coffee_path)
+        out = coffeescript.compile_file(filename, bare=args.bare)
+        with open(coffee_path, 'w') as fout:
+            fout.write(out)