Mercurial > piecrust2

annotate piecrust/pipelines/page.py @ 939:abc52a6262a1

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bake: Support the `draft` setting.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 04 Oct 2017 20:40:43 -0700
parents 812ca80863d4
children 45ad976712ec
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
854
08e02c2a2a1a core: Keep refactoring, this time to prepare for generator sources.
Ludovic Chabant <ludovic@chabant.com>
parents: 852
diff changeset
1 import logging
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2 from piecrust.pipelines.base import ContentPipeline
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3 from piecrust.pipelines._pagebaker import PageBaker
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4 from piecrust.pipelines._pagerecords import PagePipelineRecordEntry
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5 from piecrust.sources.base import AbortedSourceUseError
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6
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7
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8 logger = logging.getLogger(__name__)
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9
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10
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11 class PagePipeline(ContentPipeline):
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12 PIPELINE_NAME = 'page'
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13 RECORD_ENTRY_CLASS = PagePipelineRecordEntry
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14
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15 def __init__(self, source, ppctx):
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16 super().__init__(source, ppctx)
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17 self._pagebaker = None
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18 self._stats = source.app.env.stats
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19 self._draft_setting = self.app.config['baker/no_bake_setting']
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20
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21 def initialize(self):
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22 stats = self.app.env.stats
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23 stats.registerCounter('SourceUseAbortions', raise_if_registered=False)
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24 stats.registerManifest('SourceUseAbortions', raise_if_registered=False)
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25
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26 self._pagebaker = PageBaker(self.app,
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27 self.ctx.out_dir,
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28 force=self.ctx.force)
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29 self._pagebaker.startWriterQueue()
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30
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31 def createJobs(self, ctx):
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32 used_paths = {}
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33 for rec in ctx.record_histories.current.records:
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34 src_name = rec.name.split('@')[0]
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35 for e in rec.getEntries():
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36 paths = e.getAllOutputPaths()
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37 if paths is not None:
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38 for p in paths:
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39 used_paths[p] = (src_name, e)
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40
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41 jobs = []
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42 route = self.source.route
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43 pretty_urls = self.app.config.get('site/pretty_urls')
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44 record = ctx.record_histories.current.getRecord(self.record_name)
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45
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46 for item in self.source.getAllContents():
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47 route_params = item.metadata['route_params']
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48 uri = route.getUri(route_params)
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49 path = self._pagebaker.getOutputPath(uri, pretty_urls)
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50 override = used_paths.get(path)
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51 if override is not None:
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52 override_source_name, override_entry = override
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53 override_source = self.app.getSource(override_source_name)
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54 if override_source.config['realm'] == \
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55 self.source.config['realm']:
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56 logger.error(
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57 "Page '%s' would get baked to '%s' "
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58 "but is overriden by '%s'." %
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59 (item.spec, path, override_entry.item_spec))
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60 else:
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61 logger.debug(
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62 "Page '%s' would get baked to '%s' "
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63 "but is overriden by '%s'." %
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64 (item.spec, path, override_entry.item_spec))
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65
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66 entry = PagePipelineRecordEntry()
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67 entry.item_spec = item.spec
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68 entry.flags |= PagePipelineRecordEntry.FLAG_OVERRIDEN
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69 record.addEntry(entry)
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70
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71 continue
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72
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73 jobs.append(self.createJob(item))
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74
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75 if len(jobs) > 0:
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76 return jobs
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77 return None
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78
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79 def mergeRecordEntry(self, record_entry, ctx):
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80 existing = ctx.record.getEntry(record_entry.item_spec)
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81 existing.errors += record_entry.errors
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82 existing.flags |= record_entry.flags
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83 existing.subs = record_entry.subs
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84
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85 def run(self, job, ctx, result):
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86 step_num = job.step_num
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87 if step_num == 0:
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88 self._loadPage(job.content_item, ctx, result)
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89 elif step_num == 1:
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90 self._renderOrPostpone(job.content_item, ctx, result)
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91 elif step_num == 2:
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92 self._renderAlways(job.content_item, ctx, result)
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93
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94 def getDeletions(self, ctx):
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95 for prev, cur in ctx.record_history.diffs:
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96 if prev and not cur:
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97 for sub in prev.subs:
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98 yield (sub.out_path, 'previous source file was removed')
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99 elif prev and cur:
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100 prev_out_paths = [o.out_path for o in prev.subs]
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101 cur_out_paths = [o.out_path for o in cur.subs]
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102 diff = set(prev_out_paths) - set(cur_out_paths)
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103 for p in diff:
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104 yield (p, 'source file changed outputs')
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105
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106 def collapseRecords(self, ctx):
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107 pass
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108
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109 def shutdown(self):
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110 self._pagebaker.stopWriterQueue()
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111
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112 def _loadPage(self, content_item, ctx, result):
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113 logger.debug("Loading page: %s" % content_item.spec)
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114 page = self.app.getPage(self.source, content_item)
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115 record_entry = result.record_entry
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116 record_entry.config = page.config.getAll()
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117 record_entry.timestamp = page.datetime.timestamp()
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118
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119 if not page.config.get(self._draft_setting):
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120 result.next_step_job = self.createJob(content_item)
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121 else:
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122 record_entry.flags |= PagePipelineRecordEntry.FLAG_IS_DRAFT
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123
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124 def _renderOrPostpone(self, content_item, ctx, result):
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125 # Here our job is to render the page's segments so that they're
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126 # cached in memory and on disk... unless we detect that the page
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127 # is using some other sources, in which case we abort and we'll try
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128 # again on the second pass.
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129 logger.debug("Conditional render for: %s" % content_item.spec)
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130 page = self.app.getPage(self.source, content_item)
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131 prev_entry = ctx.previous_entry
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132 cur_entry = result.record_entry
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133 self.app.env.abort_source_use = True
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134 try:
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135 self._pagebaker.bake(page, prev_entry, cur_entry)
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136 except AbortedSourceUseError:
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137 logger.debug("Page was aborted for using source: %s" %
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138 content_item.spec)
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139 self.app.env.stats.stepCounter("SourceUseAbortions")
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140 self.app.env.stats.addManifestEntry("SourceUseAbortions",
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141 content_item.spec)
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142 result.next_step_job = self.createJob(content_item)
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143 finally:
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144 self.app.env.abort_source_use = False
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145
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146 def _renderAlways(self, content_item, ctx, result):
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147 logger.debug("Full render for: %s" % content_item.spec)
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148 page = self.app.getPage(self.source, content_item)
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149 prev_entry = ctx.previous_entry
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150 cur_entry = result.record_entry
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151 self._pagebaker.bake(page, prev_entry, cur_entry)