Mercurial > piecrust2
annotate piecrust/generation/base.py @ 711:ab5c6a8ae90a
bake: Replace hard-coded taxonomy support with "generator" system.
* Taxonomies are now implemented one or more `TaxonomyGenerator`s.
* A `BlogArchivesGenerator` stub is there but non-functional.
author | Ludovic Chabant <ludovic@chabant.com> |
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date | Thu, 26 May 2016 19:52:47 -0700 |
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children | 606f6d57b5df |
rev | line source |
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711
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bake: Replace hard-coded taxonomy support with "generator" system.
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1 from werkzeug.utils import cached_property |
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2 from piecrust.baking.records import BakeRecordEntry |
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3 from piecrust.baking.worker import save_factory, JOB_BAKE |
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4 from piecrust.configuration import ConfigurationError |
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5 from piecrust.routing import create_route_metadata |
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6 from piecrust.sources.pageref import PageRef |
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7 |
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8 |
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9 class InvalidRecordExtraKey(Exception): |
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10 pass |
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11 |
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12 |
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13 class PageGeneratorBakeContext(object): |
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14 def __init__(self, app, record, pool, generator): |
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15 self._app = app |
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16 self._record = record |
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17 self._pool = pool |
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18 self._generator = generator |
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19 self._job_queue = [] |
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20 self._is_running = False |
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21 |
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22 def getRecordExtraKey(self, seed): |
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23 return '%s:%s' % (self._generator.name, seed) |
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24 |
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25 def matchesRecordExtraKey(self, extra_key): |
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26 return (extra_key is not None and |
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27 extra_key.startswith(self._generator.name + ':')) |
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28 |
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29 def getSeedFromRecordExtraKey(self, extra_key): |
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30 if not self.matchesRecordExtraKey(extra_key): |
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31 raise InvalidRecordExtraKey("Invalid extra key: %s" % extra_key) |
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32 return extra_key[len(self._generator.name) + 1:] |
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33 |
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34 def getAllPageRecords(self): |
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35 return self._record.transitions.values() |
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36 |
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37 def getBakedPageRecords(self): |
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38 for prev, cur in self.getAllPageRecords(): |
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39 if cur and cur.was_any_sub_baked: |
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40 yield (prev, cur) |
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41 |
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42 def collapseRecord(self, entry): |
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43 self._record.collapseEntry(entry) |
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44 |
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45 def queueBakeJob(self, page_fac, route, extra_route_metadata, seed): |
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46 if self._is_running: |
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47 raise Exception("The job queue is running.") |
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48 |
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49 extra_key = self.getRecordExtraKey(seed) |
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50 entry = BakeRecordEntry( |
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51 page_fac.source.name, |
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52 page_fac.path, |
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53 extra_key) |
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54 self._record.addEntry(entry) |
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55 |
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56 page = page_fac.buildPage() |
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57 route_metadata = create_route_metadata(page) |
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58 route_metadata.update(extra_route_metadata) |
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59 uri = route.getUri(route_metadata) |
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60 override_entry = self._record.getOverrideEntry(page.path, uri) |
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61 if override_entry is not None: |
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62 override_source = self.app.getSource( |
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63 override_entry.source_name) |
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64 if override_source.realm == fac.source.realm: |
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65 cur_entry.errors.append( |
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66 "Page '%s' maps to URL '%s' but is overriden " |
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67 "by page '%s'." % |
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68 (fac.ref_spec, uri, override_entry.path)) |
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69 logger.error(cur_entry.errors[-1]) |
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70 cur_entry.flags |= BakeRecordEntry.FLAG_OVERRIDEN |
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71 return |
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72 |
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73 route_index = self._app.routes.index(route) |
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74 job = { |
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75 'type': JOB_BAKE, |
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76 'job': { |
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77 'factory_info': save_factory(page_fac), |
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78 'generator_name': self._generator.name, |
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79 'generator_record_key': extra_key, |
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80 'route_index': route_index, |
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81 'route_metadata': route_metadata, |
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82 'dirty_source_names': self._record.dirty_source_names, |
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83 'needs_config': True |
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84 } |
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85 } |
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86 self._job_queue.append(job) |
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87 |
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88 def runJobQueue(self): |
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89 def _handler(res): |
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90 entry = self._record.getCurrentEntry( |
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91 res['path'], res['generator_record_key']) |
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92 entry.config = res['config'] |
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93 entry.subs = res['sub_entries'] |
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94 if res['errors']: |
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95 entry.errors += res['errors'] |
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96 if entry.has_any_error: |
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97 self._record.current.success = False |
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98 |
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99 self._is_running = True |
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100 try: |
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101 ar = self._pool.queueJobs(self._job_queue, handler=_handler) |
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102 ar.wait() |
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103 finally: |
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104 self._is_running = False |
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105 |
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106 |
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107 class PageGenerator(object): |
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108 def __init__(self, app, name, config): |
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109 self.app = app |
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110 self.name = name |
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111 self.config = config or {} |
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112 |
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113 self.source_name = config.get('source') |
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114 if self.source_name is None: |
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115 raise ConfigurationError( |
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116 "Generator '%s' requires a source name" % name) |
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117 |
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118 page_ref = config.get('page') |
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119 if page_ref is None: |
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120 raise ConfigurationError( |
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121 "Generator '%s' requires a listing page ref." % name) |
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122 self.page_ref = PageRef(app, page_ref) |
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123 |
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124 @cached_property |
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125 def source(self): |
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126 for src in self.app.sources: |
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127 if src.name == self.source_name: |
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128 return src |
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129 raise Exception("Can't find source '%s' for generator '%s'." % ( |
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130 self.source_name, self.name)) |
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131 |
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132 def bake(self, ctx): |
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133 raise NotImplementedError() |
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134 |
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135 def onRouteFunctionUsed(self, route, route_metadata): |
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136 pass |
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137 |