Mercurial > piecrust2

annotate piecrust/pipelines/records.py @ 1156:4ea64255eadf

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sources: Add ability to force a realm on a source.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 11 Jun 2019 15:12:47 -0700
parents 8adc27285d93
children
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rev   line source
852
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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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diff changeset
125 except Exception as ex:
979
45ad976712ec tests: Big push to get the tests to pass again.
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diff changeset
126 if raise_errors:
45ad976712ec tests: Big push to get the tests to pass again.
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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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parents:
diff changeset
135 logger.debug(
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parents:
diff changeset
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))
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
138 logger.debug("Will use empty records.")
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parents:
diff changeset
139 multi_record = None
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
140 was_invalid = True
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Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
141
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diff changeset
142 if multi_record is None:
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143 multi_record = MultiRecord()
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parents:
diff changeset
144 multi_record.invalidated = was_invalid
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145
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diff changeset
146 return multi_record
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parents:
diff changeset
147
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148
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149 class RecordHistory:
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150 def __init__(self, previous, current):
853
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diff changeset
151 if previous is None or current is None:
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
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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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parents:
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155 raise Exception("The two records must have the same name! "
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parents:
diff changeset
156 "Got '%s' and '%s'." %
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parents:
diff changeset
157 (previous.name, current.name))
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parents:
diff changeset
158
853
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diff changeset
159 self._previous = previous
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parents: 852
diff changeset
160 self._current = current
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
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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Ludovic Chabant <ludovic@chabant.com>
parents:
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164 def name(self):
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parents:
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165 return self._current.name
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parents:
diff changeset
166
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parents:
diff changeset
167 @property
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168 def current(self):
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parents:
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169 return self._current
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parents:
diff changeset
170
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parents:
diff changeset
171 @property
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172 def previous(self):
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parents:
diff changeset
173 return self._previous
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parents:
diff changeset
174
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
parents:
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
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
Ludovic Chabant <ludovic@chabant.com>
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:
diff changeset
179 return self._diffs.values()
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
180
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
181 def getPreviousEntry(self, item_spec):
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
182 key = _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
183 return self._diffs[key][0]
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
184
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
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]
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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parents: 853
diff changeset
188
853
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
Ludovic Chabant <ludovic@chabant.com>
parents: 852
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.")
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
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parents: 852
diff changeset
192
f070a4fc033c core: Continue PieCrust3 refactor, simplify pages.
Ludovic Chabant <ludovic@chabant.com>
parents: 852
diff changeset
193 self._diffs = {}
852
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parents:
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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parents:
diff changeset
197 self._diffs[key] = (e, None)
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
198
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
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parents:
diff changeset
199 if self._current is not None:
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
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)
4850f8c21b6e core: Start of the big refactor for PieCrust 3.0.
Ludovic Chabant <ludovic@chabant.com>
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.
Ludovic Chabant <ludovic@chabant.com>
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.
Ludovic Chabant <ludovic@chabant.com>
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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parents: 853
diff changeset
216 class MultiRecordHistory:
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
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.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
218 container.
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
219 """
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 853
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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parents: 853
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.
Ludovic Chabant <ludovic@chabant.com>
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.
Ludovic Chabant <ludovic@chabant.com>
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 = {}
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
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:
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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:
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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:
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Ludovic Chabant <ludovic@chabant.com>
parents: 853
diff changeset
257 raise Exception("Got several records named: %s" % r.name)
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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)
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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)
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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):
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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