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annotate piecrust/baking/records.py @ 7:343d08ef5668

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More PieCrust 3 fixes, and a couple of miscellaneous bug fixes.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 16 Aug 2014 15:07:22 -0700
parents 474c9882decf
children 923699e816d0
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rev   line source
3
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1 import logging
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2 from piecrust.records import Record
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3
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4
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5 logger = logging.getLogger(__name__)
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6
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7
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8 def _get_transition_key(source_name, rel_path, taxonomy_name=None,
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9 taxonomy_term=None):
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10 key = '%s:%s' % (source_name, rel_path)
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11 if taxonomy_name and taxonomy_term:
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12 key += ';%s:' % taxonomy_name
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13 if isinstance(taxonomy_term, tuple):
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14 key += '/'.join(taxonomy_term)
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15 else:
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16 key += taxonomy_term
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17 return key
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18
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19
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20 class BakeRecord(Record):
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21 VERSION = 1
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22
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23 def __init__(self):
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24 super(BakeRecord, self).__init__()
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25 self.out_dir = None
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26 self.bake_time = None
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27
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28
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29 class BakeRecordPageEntry(object):
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30 def __init__(self, page):
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31 self.path = page.path
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32 self.rel_path = page.rel_path
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33 self.source_name = page.source.name
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34 self.config = page.config.get()
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35 self.taxonomy_name = None
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36 self.taxonomy_term = None
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37 self.out_uris = []
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38 self.out_paths = []
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39 self.used_source_names = set()
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40 self.used_taxonomy_terms = set()
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41
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42 @property
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43 def was_baked(self):
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44 return len(self.out_paths) > 0
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45
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46 @property
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47 def num_subs(self):
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48 return len(self.out_paths)
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49
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50 @property
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51 def transition_key(self):
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52 return _get_transition_key(self.source_name, self.rel_path,
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53 self.taxonomy_name, self.taxonomy_term)
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54
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55 class TransitionalBakeRecord(object):
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56 DELETION_MISSING = 1
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57 DELETION_CHANGED = 2
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58
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59 def __init__(self, previous_path=None):
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60 self.previous = BakeRecord()
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61 self.current = BakeRecord()
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62 self.transitions = {}
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63 if previous_path:
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64 self.loadPrevious(previous_path)
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65 self.current.entry_added += self._onCurrentEntryAdded
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66
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67 def loadPrevious(self, previous_path):
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68 try:
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69 self.previous = BakeRecord.load(previous_path)
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70 except Exception as ex:
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71 logger.debug("Error loading previous record: %s" % ex)
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72 logger.debug("Will reset to an empty one.")
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73 self.previous = BakeRecord()
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74 return
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75
3
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76 for e in self.previous.entries:
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77 self.transitions[e.transition_key] = (e, None)
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78
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79 def saveCurrent(self, current_path):
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80 self.current.save(current_path)
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81
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82 def addEntry(self, entry):
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83 self.current.addEntry(entry)
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84
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85 def getPreviousEntry(self, page, taxonomy_name=None, taxonomy_term=None):
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86 key = _get_transition_key(page.source.name, page.rel_path,
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87 taxonomy_name, taxonomy_term)
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88 pair = self.transitions.get(key)
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89 if pair is not None:
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90 return pair[0]
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91 return None
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92
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93 def collapseRecords(self):
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94 for pair in self.transitions.values():
3
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95 prev = pair[0]
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96 cur = pair[1]
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97
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98 if prev and cur and not cur.was_baked:
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99 # This page wasn't baked, so the information from last
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100 # time is still valid (we didn't get any information
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101 # since we didn't bake).
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102 cur.out_uris = list(prev.out_uris)
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103 cur.out_paths = list(prev.out_paths)
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104 cur.used_source_names = set(prev.used_source_names)
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105 cur.used_taxonomy_terms = set(prev.used_taxonomy_terms)
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106
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107 def _onCurrentEntryAdded(self, entry):
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108 key = entry.transition_key
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109 te = self.transitions.get(key)
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110 if te is None:
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111 logger.debug("Adding new record entry: %s" % key)
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112 self.transitions[key] = (None, entry)
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113 return
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114
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115 if te[1] is not None:
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116 raise Exception("A current entry already exists for: %s" %
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117 key)
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118 logger.debug("Setting current record entry: %s" % key)
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119 self.transitions[key] = (te[0], entry)
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120