Mercurial > piecrust2

annotate piecrust/pipelines/records.py @ 1145:e94737572542

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serve: Fix an issue where false positive matches were rendered as the requested page. Now we try to render the page, but also try to detect for the most common "empty" pages.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 05 Jun 2018 22:08:51 -0700
parents 8adc27285d93
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import os
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2 import os.path
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3 import pickle
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4 import hashlib
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5 import logging
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6 from piecrust import APP_VERSION
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7
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8
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9 logger = logging.getLogger(__name__)
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10
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11
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12 class RecordEntry:
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13 """ An entry in a record, for a specific content item.
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14 """
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15 def __init__(self):
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16 self.item_spec = None
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17 self.errors = []
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18
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19 @property
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20 def success(self):
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21 return len(self.errors) == 0
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22
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23 def describe(self):
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24 return {}
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25
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26 def getAllOutputPaths(self):
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27 return None
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28
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29 def getAllErrors(self):
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30 return self.errors
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31
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32
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33 class Record:
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34 """ A class that represents a 'record' of a bake operation on a
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35 content source.
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36 """
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37 def __init__(self, name):
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38 self.name = name
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39 self.deleted_out_paths = []
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40 self.user_data = {}
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41 self.success = True
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42 self._entries = {}
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43
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44 @property
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45 def entry_count(self):
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46 return len(self._entries)
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47
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48 def addEntry(self, entry):
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49 if entry.item_spec in self._entries:
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50 raise ValueError("Entry '%s' is already in the record." %
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51 entry.item_spec)
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52 self._entries[entry.item_spec] = entry
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53
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54 def getEntries(self):
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55 return self._entries.values()
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56
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57 def getEntry(self, item_spec):
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58 return self._entries.get(item_spec)
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59
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60
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61 class MultiRecord:
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62 """ A container that includes multiple `Record` instances -- one for
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63 each content source that was baked.
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64 """
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65 RECORD_VERSION = 13
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66
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67 def __init__(self):
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68 self.records = []
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69 self.success = True
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70 self.bake_time = 0
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71 self.incremental_count = 0
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72 self.invalidated = False
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73 self.stats = None
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74 self._app_version = APP_VERSION
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75 self._record_version = self.RECORD_VERSION
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76
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77 def getRecord(self, record_name, auto_create=True):
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78 for r in self.records:
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79 if r.name == record_name:
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80 return r
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81 if not auto_create:
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82 raise Exception("No such record: %s" % record_name)
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83 record = Record(record_name)
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84 self.records.append(record)
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85 return record
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86
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87 def save(self, path):
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88 path_dir = os.path.dirname(path)
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89 if not os.path.isdir(path_dir):
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90 os.makedirs(path_dir, 0o755)
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91
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92 with open(path, 'wb') as fp:
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93 pickle.dump(self, fp, pickle.HIGHEST_PROTOCOL)
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94
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95 @staticmethod
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96 def load(path):
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97 logger.debug("Loading bake records from: %s" % path)
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98 with open(path, 'rb') as fp:
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99 return pickle.load(fp)
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100
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101
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102 def get_flag_descriptions(flags, flag_descriptions):
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103 res = []
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104 for k, v in flag_descriptions.items():
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105 if flags & k:
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106 res.append(v)
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107 if res:
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108 return ', '.join(res)
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109 return 'none'
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110
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111
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112 def _are_records_valid(multi_record):
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113 return (multi_record._app_version == APP_VERSION and
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114 multi_record._record_version == MultiRecord.RECORD_VERSION)
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115
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116
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117 def load_records(path, raise_errors=False):
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118 try:
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119 multi_record = MultiRecord.load(path)
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120 except FileNotFoundError:
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121 if raise_errors:
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122 raise
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123 logger.debug("No existing records found at: %s" % path)
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124 multi_record = None
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125 except Exception as ex:
979
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diff changeset
126 if raise_errors:
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diff changeset
127 raise
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128 logger.debug("Error loading records from: %s" % path)
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129 logger.debug(ex)
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130 logger.debug("Will use empty records.")
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131 multi_record = None
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diff changeset
132
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133 was_invalid = False
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134 if multi_record is not None and not _are_records_valid(multi_record):
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135 logger.debug(
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136 "Records from '%s' have old version: %s/%s." %
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parents:
diff changeset
137 (path, multi_record._app_version, multi_record._record_version))
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parents:
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138 logger.debug("Will use empty records.")
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139 multi_record = None
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parents:
diff changeset
140 was_invalid = True
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parents:
diff changeset
141
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142 if multi_record is None:
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143 multi_record = MultiRecord()
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144 multi_record.invalidated = was_invalid
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145
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146 return multi_record
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147
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148
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149 class RecordHistory:
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150 def __init__(self, previous, current):
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151 if previous is None or current is None:
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diff changeset
152 raise ValueError()
852
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153
853
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diff changeset
154 if previous.name != current.name:
852
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155 raise Exception("The two records must have the same name! "
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parents:
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156 "Got '%s' and '%s'." %
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157 (previous.name, current.name))
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158
853
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diff changeset
159 self._previous = previous
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diff changeset
160 self._current = current
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Ludovic Chabant <ludovic@chabant.com>
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diff changeset
161 self._diffs = None
852
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162
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163 @property
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164 def name(self):
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165 return self._current.name
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parents:
diff changeset
166
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167 @property
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168 def current(self):
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169 return self._current
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diff changeset
170
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171 @property
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172 def previous(self):
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parents:
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173 return self._previous
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parents:
diff changeset
174
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Ludovic Chabant <ludovic@chabant.com>
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diff changeset
175 @property
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
176 def diffs(self):
853
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parents: 852
diff changeset
177 if self._diffs is None:
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
Ludovic Chabant <ludovic@chabant.com>
parents: 852
diff changeset
178 raise Exception("This record history hasn't been built yet.")
852
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
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179 return self._diffs.values()
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180
854
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diff changeset
181 def getPreviousEntry(self, item_spec):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
182 key = _build_diff_key(item_spec)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
183 return self._diffs[key][0]
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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diff changeset
184
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
185 def getCurrentEntry(self, item_spec):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
186 key = _build_diff_key(item_spec)
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parents: 853
diff changeset
187 return self._diffs[key][1]
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diff changeset
188
853
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Ludovic Chabant <ludovic@chabant.com>
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diff changeset
189 def build(self):
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
Ludovic Chabant <ludovic@chabant.com>
parents: 852
diff changeset
190 if self._diffs is not None:
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
Ludovic Chabant <ludovic@chabant.com>
parents: 852
diff changeset
191 raise Exception("This record history has already been built.")
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diff changeset
192
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diff changeset
193 self._diffs = {}
852
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diff changeset
194 if self._previous is not None:
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
195 for e in self._previous.getEntries():
852
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parents:
diff changeset
196 key = _build_diff_key(e.item_spec)
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197 self._diffs[key] = (e, None)
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parents:
diff changeset
198
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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diff changeset
199 if self._current is not None:
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
200 for e in self._current.getEntries():
852
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parents:
diff changeset
201 key = _build_diff_key(e.item_spec)
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parents:
diff changeset
202 diff = self._diffs.get(key)
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
203 if diff is None:
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
204 self._diffs[key] = (None, e)
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
205 elif diff[1] is None:
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
206 self._diffs[key] = (diff[0], e)
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
207 else:
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
208 raise Exception(
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
209 "A current record entry already exists for '%s' "
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
210 "(%s)" % (key, diff[1].item_spec))
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
211
989
8adc27285d93 bake: Big pass on bake performance.
Ludovic Chabant <ludovic@chabant.com>
parents: 979
diff changeset
212 def copy(self):
8adc27285d93 bake: Big pass on bake performance.
Ludovic Chabant <ludovic@chabant.com>
parents: 979
diff changeset
213 return RecordHistory(self._previous, self._current)
8adc27285d93 bake: Big pass on bake performance.
Ludovic Chabant <ludovic@chabant.com>
parents: 979
diff changeset
214
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
215
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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diff changeset
216 class MultiRecordHistory:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
217 """ Tracks the differences between an 'old' and a 'new' record
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
218 container.
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
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diff changeset
219 """
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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diff changeset
220 def __init__(self, previous, current):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
221 if previous is None or current is None:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
222 raise ValueError()
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
223
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
224 self.previous = previous
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diff changeset
225 self.current = current
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parents: 853
diff changeset
226 self.histories = []
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
227 self._linkHistories(previous, current)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
228
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
229 def getPreviousRecord(self, record_name, auto_create=True):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
230 return self.previous.getRecord(record_name, auto_create=auto_create)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
231
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
232 def getCurrentRecord(self, record_name):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
233 return self.current.getRecord(record_name)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
234
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
235 def getHistory(self, record_name):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
236 for h in self.histories:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
237 if h.name == record_name:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
238 return h
852
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
239
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
240 rh = RecordHistory(
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
241 Record(record_name),
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
242 Record(record_name))
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
243 self.histories.append(rh)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
244 self.previous.records.append(rh.previous)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
245 self.current.records.append(rh.current)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
246 return rh
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
247
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
248 def _linkHistories(self, previous, current):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
249 pairs = {}
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Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
250 if previous:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
251 for r in previous.records:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
252 pairs[r.name] = (r, None)
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Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
253 if current:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
254 for r in current.records:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
255 p = pairs.get(r.name, (None, None))
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
256 if p[1] is not None:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
257 raise Exception("Got several records named: %s" % r.name)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
258 pairs[r.name] = (p[0], r)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
259
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
260 for name, pair in pairs.items():
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
261 p, c = pair
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
262 if p is None:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
263 p = Record(name)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
264 previous.records.append(p)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
265 if c is None:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
266 c = Record(name)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
267 current.records.append(c)
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
268 self.histories.append(RecordHistory(p, c))
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
269
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
270
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
271 def _build_diff_key(item_spec):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
272 return hashlib.md5(item_spec.encode('utf8')).hexdigest()
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
273