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annotate piecrust/baking/records.py @ 23:923699e816d0

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Don't try to get the name of a source that doesn't have one. TODO: clean up code duplication.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 19 Aug 2014 08:34:16 -0700
parents 343d08ef5668
children 2fec3ee1298f
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rev   line source
3
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1 import logging
23
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2 from piecrust.sources.base import PageSource
3
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3 from piecrust.records import Record
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4
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5
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6 logger = logging.getLogger(__name__)
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7
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8
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9 def _get_transition_key(source_name, rel_path, taxonomy_name=None,
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10 taxonomy_term=None):
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11 key = '%s:%s' % (source_name, rel_path)
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12 if taxonomy_name and taxonomy_term:
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13 key += ';%s:' % taxonomy_name
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14 if isinstance(taxonomy_term, tuple):
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15 key += '/'.join(taxonomy_term)
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16 else:
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17 key += taxonomy_term
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18 return key
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20
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21 class BakeRecord(Record):
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22 VERSION = 1
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23
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24 def __init__(self):
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25 super(BakeRecord, self).__init__()
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26 self.out_dir = None
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27 self.bake_time = None
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29
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30 class BakeRecordPageEntry(object):
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31 def __init__(self, page):
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32 self.path = page.path
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33 self.rel_path = page.rel_path
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34 self.source_name = page.source.name
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35 self.config = page.config.get()
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36 self.taxonomy_name = None
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37 self.taxonomy_term = None
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38 self.out_uris = []
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39 self.out_paths = []
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40 self.used_source_names = set()
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41 self.used_taxonomy_terms = set()
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42
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43 @property
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44 def was_baked(self):
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45 return len(self.out_paths) > 0
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46
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47 @property
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48 def num_subs(self):
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49 return len(self.out_paths)
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50
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51 @property
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52 def transition_key(self):
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53 return _get_transition_key(self.source_name, self.rel_path,
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54 self.taxonomy_name, self.taxonomy_term)
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55
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56 def addUsedSource(self, source):
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57 if isinstance(source, PageSource):
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58 self.used_source_names.add(source.name)
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59
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60
3
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61 class TransitionalBakeRecord(object):
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62 DELETION_MISSING = 1
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63 DELETION_CHANGED = 2
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64
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65 def __init__(self, previous_path=None):
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66 self.previous = BakeRecord()
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67 self.current = BakeRecord()
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68 self.transitions = {}
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69 if previous_path:
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70 self.loadPrevious(previous_path)
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71 self.current.entry_added += self._onCurrentEntryAdded
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72
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73 def loadPrevious(self, previous_path):
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74 try:
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75 self.previous = BakeRecord.load(previous_path)
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76 except Exception as ex:
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77 logger.debug("Error loading previous record: %s" % ex)
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78 logger.debug("Will reset to an empty one.")
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79 self.previous = BakeRecord()
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80 return
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81
3
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82 for e in self.previous.entries:
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83 self.transitions[e.transition_key] = (e, None)
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84
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85 def saveCurrent(self, current_path):
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86 self.current.save(current_path)
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87
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88 def addEntry(self, entry):
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89 self.current.addEntry(entry)
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90
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91 def getPreviousEntry(self, page, taxonomy_name=None, taxonomy_term=None):
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92 key = _get_transition_key(page.source.name, page.rel_path,
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93 taxonomy_name, taxonomy_term)
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94 pair = self.transitions.get(key)
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95 if pair is not None:
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96 return pair[0]
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97 return None
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98
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99 def collapseRecords(self):
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100 for pair in self.transitions.values():
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101 prev = pair[0]
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102 cur = pair[1]
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103
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104 if prev and cur and not cur.was_baked:
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105 # This page wasn't baked, so the information from last
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106 # time is still valid (we didn't get any information
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107 # since we didn't bake).
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108 cur.out_uris = list(prev.out_uris)
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109 cur.out_paths = list(prev.out_paths)
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110 cur.used_source_names = set(prev.used_source_names)
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111 cur.used_taxonomy_terms = set(prev.used_taxonomy_terms)
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112
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113 def _onCurrentEntryAdded(self, entry):
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114 key = entry.transition_key
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115 te = self.transitions.get(key)
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116 if te is None:
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117 logger.debug("Adding new record entry: %s" % key)
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118 self.transitions[key] = (None, entry)
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119 return
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120
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121 if te[1] is not None:
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122 raise Exception("A current entry already exists for: %s" %
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123 key)
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124 logger.debug("Setting current record entry: %s" % key)
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125 self.transitions[key] = (te[0], entry)
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126