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comparison piecrust/processing/browserify.py @ 1038:7487e2df8a56

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bake: Add support for Browserify.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 16 Jan 2018 08:41:46 -0800
parents
children 717ac3c4ee77
comparison
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1037:89d94955b818 1038:7487e2df8a56
1 import os
2 import os.path
3 import logging
4 import platform
5 import subprocess
6 from piecrust.processing.base import Processor, PRIORITY_FIRST, FORCE_BUILD
7
8
9 logger = logging.getLogger(__name__)
10
11
12 class BrowserifyProcessor(Processor):
13 PROCESSOR_NAME = 'browserify'
14
15 def __init__(self):
16 super(BrowserifyProcessor, self).__init__()
17 self.priority = PRIORITY_FIRST
18 self.is_bypassing_structured_processing = True
19 self._conf = None
20
21 def initialize(self, app):
22 super(BrowserifyProcessor, self).initialize(app)
23
24 self._conf = app.config.get('browserify')
25 if self._conf is None:
26 return
27
28 if self._conf is True:
29 self._conf = {}
30
31 self._conf.setdefault('bin', 'browserify')
32
33 def matches(self, path):
34 return self._conf is not None and os.path.splitext(path)[1] == '.js'
35
36 def getDependencies(self, path):
37 return FORCE_BUILD
38
39 def process(self, path, out_dir):
40 _, fname = os.path.split(path)
41 out_path = os.path.join(out_dir, fname)
42
43 args = [self._conf['bin'], path, '-o', out_path]
44 cwd = self.app.root_dir
45 logger.debug("Running Browserify: %s" % ' '.join(args))
46 try:
47 retcode = subprocess.call(args, cwd=cwd)
48 except FileNotFoundError as ex:
49 logger.error("Tried running Browserify processor "
50 "with command: %s" % args)
51 raise Exception("Error running Browserify. "
52 "Did you install it?") from ex
53 if retcode != 0:
54 raise Exception("Error occured in Browserify compiler. "
55 "Please check log messages above for "
56 "more information.")
57 return True