1 files changed, 67 insertions, 0 deletions
diff --git a/app/views/sass.py b/app/views/sass.py
new file mode 100644
index 0000000..2ae3896
--- /dev/null
+++ b/app/views/sass.py
@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+"""
+A small Flask extension that makes it easy to use Sass (SCSS) with your
+Flask application.
+
+Code unabashedly adapted from https://github.com/weapp/flask-coffee2js
+
+:copyright: (c) 2012 by Ivan Miric.
+:license: MIT, see LICENSE for more details.
+"""
+
+import os
+import os.path
+import codecs
+from flask import *
+from scss import Scss
+
+from app import app
+
+def _convert(dir, src, dst):
+	original_wd = os.getcwd()
+	os.chdir(dir)
+
+	css = Scss()
+	source = codecs.open(src, 'r', encoding='utf-8').read()
+	output = css.compile(source)
+
+	os.chdir(original_wd)
+
+	outfile = codecs.open(dst, 'w', encoding='utf-8')
+	outfile.write(output)
+	outfile.close()
+
+def _getDirPath(originalPath, create=False):
+	path = originalPath
+
+	if not os.path.isdir(path):
+		path = os.path.join(app.root_path, path)
+
+	if not os.path.isdir(path):
+		if create:
+			os.mkdir(path)
+		else:
+			raise IOError("Unable to find " + originalPath)
+
+	return path
+
+def sass(app, inputDir='scss', outputPath='static', force=False, cacheDir=None):
+	static_url_path = app.static_url_path
+	inputDir = _getDirPath(inputDir)
+	cacheDir = _getDirPath(cacheDir or outputPath, True)
+
+	def _sass(filepath):
+		sassfile = "%s/%s.scss" % (inputDir, filepath)
+		cacheFile = "%s/%s.css" % (cacheDir, filepath)
+
+		# Source file exists, and needs regenerating
+		if os.path.isfile(sassfile) and (force or not os.path.isfile(cacheFile) or \
+				os.path.getmtime(sassfile) > os.path.getmtime(cacheFile)):
+			_convert(inputDir, sassfile, cacheFile)
+			app.logger.debug('Compiled %s into %s' % (sassfile, cacheFile))
+
+		return send_from_directory(cacheDir, filepath + ".css")
+
+	app.add_url_rule("/%s/<path:filepath>.css" % (outputPath), 'sass', _sass)
+
+sass(app)