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annotate piecrust/processing/requirejs.py @ 147:ab6e7e0e9d44

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Pass date information to routing when building URLs. This is so that URLs with dates in them can be built even when the date information is not coming from the source metadata, but from the page's config.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 29 Nov 2014 21:00:44 -0800
parents e5f048799d61
children 4850f8c21b6e
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1 import os
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2 import os.path
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3 import json
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4 import hashlib
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5 import logging
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6 import platform
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7 import subprocess
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8 from piecrust.processing.base import Processor, PRIORITY_FIRST
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9 from piecrust.processing.tree import FORCE_BUILD
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12 logger = logging.getLogger(__name__)
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15 class RequireJSProcessor(Processor):
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16 PROCESSOR_NAME = 'requirejs'
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17
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18 def __init__(self):
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19 super(RequireJSProcessor, self).__init__()
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20 self.is_bypassing_structured_processing = True
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21 self._conf = None
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23 def initialize(self, app):
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24 super(RequireJSProcessor, self).initialize(app)
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25
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26 self._conf = app.config.get('requirejs')
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27 if self._conf is None:
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28 return
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29
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30 if 'build_path' not in self._conf:
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31 raise Exception("You need to specify `requirejs/build_path` "
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32 "for RequireJS.")
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33 self._conf.setdefault('bin', 'r.js')
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34 self._conf.setdefault('out_path', self._conf['build_path'])
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36 def onPipelineStart(self, pipeline):
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37 super(RequireJSProcessor, self).onPipelineStart(pipeline)
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38
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39 if self._conf is None:
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40 return
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41
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42 logger.debug("Adding Javascript suppressor to build pipeline.")
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43 skip = _JavascriptSkipProcessor(self._conf['build_path'])
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44 pipeline.processors.append(skip)
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45
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46 def matches(self, path):
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47 if self._conf is None:
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48 return False
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49 return path == self._conf['build_path']
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50
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51 def getDependencies(self, path):
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52 return FORCE_BUILD
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54 def process(self, path, out_dir):
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55 args = [self._conf['bin'], '-o', path]
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56 shell = (platform.system() == 'Windows')
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57 cwd = self.app.root_dir
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58 logger.debug("Running RequireJS: %s" % ' '.join(args))
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59 try:
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60 retcode = subprocess.call(args, shell=shell, cwd=cwd)
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61 except FileNotFoundError as ex:
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62 logger.error("Tried running RequireJS processor "
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63 "with command: %s" % args)
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64 raise Exception("Error running RequireJS. "
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65 "Did you install it?") from ex
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66 if retcode != 0:
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67 raise Exception("Error occured in RequireJS compiler. "
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68 "Please check log messages above for "
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69 "more information.")
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70 return True
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73 class _JavascriptSkipProcessor(Processor):
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74 PROCESSOR_NAME = 'requirejs_javascript_skip'
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75
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76 def __init__(self, except_path=None):
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77 super(_JavascriptSkipProcessor, self).__init__()
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78 self.priority = PRIORITY_FIRST
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79 self.is_bypassing_structured_processing = True
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80 self._except_path = except_path
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81
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82 def matches(self, path):
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83 _, ext = os.path.splitext(path)
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84 return ext == '.js' and path != self._except_path
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85
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86 def process(self, in_path, out_path):
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87 return False
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