Mercurial > piecrust2

annotate piecrust/processing/records.py @ 130:7f81c84f7ddb

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Handle the case where the debug server needs to serve an asset created after it was started.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 15 Nov 2014 16:03:50 +0100
parents 133845647083
children 9e4c2e68a129
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133845647083 Better error management and removal support in baking/processing.
Ludovic Chabant <ludovic@chabant.com>
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1 import os.path
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2 from piecrust.records import Record, TransitionalRecord
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3
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4
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5 class ProcessorPipelineRecord(Record):
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6 RECORD_VERSION = 2
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7
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8 def __init__(self):
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9 super(ProcessorPipelineRecord, self).__init__()
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10 self.out_dir = None
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11 self.process_time = None
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12
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13 def hasOverrideEntry(self, rel_path):
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14 return self.findEntry(rel_path) is not None
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15
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16 def findEntry(self, rel_path):
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17 rel_path = rel_path.lower()
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18 for entry in self.entries:
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19 for out_path in entry.rel_outputs:
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20 if out_path.lower() == rel_path:
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21 return entry
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22 return None
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23
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24
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25 FLAG_NONE = 0
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26 FLAG_PROCESSED = 2**0
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27 FLAG_OVERRIDEN = 2**1
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28
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29
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30 class ProcessorPipelineRecordEntry(object):
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31 def __init__(self, base_dir, rel_input):
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32 self.base_dir = base_dir
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33 self.rel_input = rel_input
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34
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35 self.flags = FLAG_NONE
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36 self.rel_outputs = []
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37 self.errors = []
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38
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39 @property
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40 def path(self):
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41 return os.path.join(self.base_dir, self.rel_input)
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42
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43 @property
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44 def was_processed(self):
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45 return bool(self.flags & FLAG_PROCESSED)
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46
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47 @property
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48 def was_processed_successfully(self):
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49 return self.was_processed and not self.errors
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50
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51
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52 class TransitionalProcessorPipelineRecord(TransitionalRecord):
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53 def __init__(self, previous_path=None):
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54 super(TransitionalProcessorPipelineRecord, self).__init__(
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55 ProcessorPipelineRecord, previous_path)
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56
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57 def getTransitionKey(self, entry):
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58 return entry.rel_input
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59
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60 def getPreviousEntry(self, rel_path):
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61 pair = self.transitions.get(rel_path)
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62 if pair is not None:
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63 return pair[0]
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64 return None
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65
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66 def collapseRecords(self):
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67 for prev, cur in self.transitions.values():
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68 if prev and cur and not cur.was_processed:
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69 # This asset wasn't processed, so the information from
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70 # last time is still valid.
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71 cur.flags = prev.flags
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72 cur.rel_outputs = list(prev.rel_outputs)
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73 cur.errors = list(prev.errors)
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74
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75 def getDeletions(self):
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76 for prev, cur in self.transitions.values():
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77 if prev and not cur:
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78 for p in prev.rel_outputs:
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79 abs_p = os.path.join(self.previous.out_dir, p)
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80 yield (abs_p, 'previous asset was removed')
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81 elif prev and cur and cur.was_processed_successfully:
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82 diff = set(prev.rel_outputs) - set(cur.rel_outputs)
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83 for p in diff:
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84 abs_p = os.path.join(self.previous.out_dir, p)
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85 yield (abs_p, 'asset changed outputs')
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86