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annotate piecrust/processing/base.py @ 1137:10fd55b9ccfb

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templating: Fix Inukshuk `paginate` function.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 24 Apr 2018 21:27:46 -0700
parents 08e02c2a2a1a
children
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1 import os.path
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2 import logging
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5 logger = logging.getLogger(__name__)
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8 PRIORITY_FIRST = -1
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9 PRIORITY_NORMAL = 0
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10 PRIORITY_LAST = 1
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13 FORCE_BUILD = object()
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16 class ProcessorContext:
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17 def __init__(self, pipeline):
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18 self.ignore_patterns = []
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19 self.extra_processors = []
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20 self._pipeline = pipeline
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21 self._pipeline_ctx = pipeline.ctx
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23 @property
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24 def tmp_dir(self):
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25 return self._pipeline.tmp_dir
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27 @property
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28 def out_dir(self):
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29 return self._pipeline_ctx.out_dir
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31 @property
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32 def worker_id(self):
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33 return self._pipeline_ctx.worker_id
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35 @property
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36 def is_main_process(self):
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37 return self._pipeline_ctx.is_main_process
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40 class Processor(object):
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41 PROCESSOR_NAME = None
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42
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43 def __init__(self):
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44 self.priority = PRIORITY_NORMAL
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45 self.is_bypassing_structured_processing = False
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46 self.is_delegating_dependency_check = True
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47
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48 def initialize(self, app):
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49 self.app = app
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51 def onPipelineStart(self, ctx):
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52 pass
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54 def onPipelineEnd(self, ctx):
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55 pass
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57 def matches(self, path):
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58 return False
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60 def getDependencies(self, path):
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61 return None
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62
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63 def getOutputFilenames(self, filename):
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64 return None
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65
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66 def process(self, path, out_dir):
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67 pass
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70 class ExternalProcessException(Exception):
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71 def __init__(self, stderr_data):
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72 self.stderr_data = stderr_data
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74 def __str__(self):
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75 return self.stderr_data
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78 class SimpleFileProcessor(Processor):
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79 def __init__(self, extensions=None):
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80 super(SimpleFileProcessor, self).__init__()
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81 self.extensions = extensions or {}
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82
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83 def matches(self, path):
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84 for ext in self.extensions:
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85 if path.endswith('.' + ext):
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86 return True
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87 return False
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89 def getOutputFilenames(self, filename):
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90 basename, ext = os.path.splitext(filename)
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91 ext = ext.lstrip('.')
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92 out_ext = self.extensions[ext]
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93 return ['%s.%s' % (basename, out_ext)]
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94
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95 def process(self, path, out_dir):
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96 _, in_name = os.path.split(path)
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97 out_name = self.getOutputFilenames(in_name)[0]
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98 out_path = os.path.join(out_dir, out_name)
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99 return self._doProcess(path, out_path)
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100
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101 def _doProcess(self, in_path, out_path):
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102 raise NotImplementedError()
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103