|
- from minify import JavascriptMinify
-
- class Bundle:
- """
- Concatenate, compress and mix (if required) js+css files from build.json
- """
- def concat(self, filelist, outfile=None):
- """
- Concat css and js files into a bundle
- """
- import os
- from cStringIO import StringIO
- from build import verbose
-
- out_type = outfile and outfile.split('.')[-1] or 'js'
-
- outtxt = ''
- for f in filelist:
- suffix = None
- if ':' in f:
- f, suffix = f.split(':')
-
- print f + ' | ' + str(int(os.path.getsize(f)/1024)) + 'k'
-
- # get data
- with open(f, 'r') as infile:
- # get file type
- ftype = f.split('.')[-1]
-
- data = infile.read()
-
- # css -> js
- if out_type=='js' and ftype =='css':
- data = "\nwn.assets.handler.css('%s');\n" %\
- data.replace("'", "\\'").replace('\n', '\\\n')
-
- outtxt += ('\n/*\n *\t%s\n */' % f)
-
- # append
- if suffix=='concat' or out_type != 'js':
- outtxt += data
- else:
- jsm = JavascriptMinify()
- tmpin = StringIO(data)
- tmpout = StringIO()
- jsm.minify(tmpin, tmpout)
- tmpmin = tmpout.getvalue() or ''
- tmpmin.strip('\n')
- outtxt += tmpmin
-
- with open(outfile, 'w') as f:
- f.write(outtxt)
-
- print "Wrote %s - %sk" % (outfile, str(int(os.path.getsize(outfile)/1024)))
-
- def make(self, bpath):
- """
- Build (stitch + compress) the file defined in build.json
- """
- import os, sys, json
- from build import no_minify
-
- # open the build.json file and read
- # the dict
- print "making %s ..." % bpath
- with open(bpath, 'r') as bfile:
- bdata = json.loads(bfile.read())
-
- path = os.path.dirname(bpath)
-
- for buildfile in bdata:
- # build the file list relative to the main folder
- outfile = buildfile.keys()[0]
- infiles = buildfile[outfile]
-
- fl = [os.path.relpath(os.path.join(path, f), os.curdir) for f in infiles]
-
- # js files are minified by default unless explicitly
- # mentioned in the prefix.
- # some files may not work if minified (known jsmin bug)
- self.concat(fl, os.path.relpath(os.path.join(path, outfile), os.curdir))
-
-
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