68 lines
1.7 KiB
Python
68 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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A small Flask extension that makes it easy to use Sass (SCSS) with your
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Flask application.
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Code unabashedly adapted from https://github.com/weapp/flask-coffee2js
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:copyright: (c) 2012 by Ivan Miric.
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:license: MIT, see LICENSE for more details.
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"""
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import os
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import os.path
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import codecs
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from flask import *
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from scss import Scss
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from app import app
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def _convert(dir, src, dst):
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original_wd = os.getcwd()
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os.chdir(dir)
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css = Scss()
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source = codecs.open(src, 'r', encoding='utf-8').read()
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output = css.compile(source)
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os.chdir(original_wd)
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outfile = codecs.open(dst, 'w', encoding='utf-8')
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outfile.write(output)
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outfile.close()
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def _getDirPath(originalPath, create=False):
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path = originalPath
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if not os.path.isdir(path):
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path = os.path.join(app.root_path, path)
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if not os.path.isdir(path):
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if create:
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os.mkdir(path)
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else:
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raise IOError("Unable to find " + originalPath)
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return path
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def sass(app, inputDir='scss', outputPath='static', force=False, cacheDir="public/static"):
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static_url_path = app.static_url_path
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inputDir = _getDirPath(inputDir)
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cacheDir = _getDirPath(cacheDir or outputPath, True)
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def _sass(filepath):
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sassfile = "%s/%s.scss" % (inputDir, filepath)
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cacheFile = "%s/%s.css" % (cacheDir, filepath)
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# Source file exists, and needs regenerating
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if os.path.isfile(sassfile) and (force or not os.path.isfile(cacheFile) or \
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os.path.getmtime(sassfile) > os.path.getmtime(cacheFile)):
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_convert(inputDir, sassfile, cacheFile)
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app.logger.debug('Compiled %s into %s' % (sassfile, cacheFile))
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return send_from_directory(cacheDir, filepath + ".css")
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app.add_url_rule("/%s/<path:filepath>.css" % (outputPath), 'sass', _sass)
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sass(app)
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