Mercurial > piecrust2

annotate piecrust/templating/jinja/loader.py @ 854:08e02c2a2a1a

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core: Keep refactoring, this time to prepare for generator sources. - Make a few APIs simpler. - Content pipelines create their own jobs, so that generator sources can keep aborting in `getContents`, but rely on their pipeline to generate pages for baking.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 04 Jun 2017 23:34:28 -0700
parents 2c7e57d80bba
children 1bb704434ee2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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851
2c7e57d80bba optimize: Don't load Jinja unless we need to.
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1 import os.path
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2 from jinja2 import FileSystemLoader
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3
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4
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5 class PieCrustLoader(FileSystemLoader):
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6 def __init__(self, searchpath, encoding='utf-8'):
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7 super(PieCrustLoader, self).__init__(searchpath, encoding)
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8 self.segment_parts_cache = {}
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9
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10 def get_source(self, environment, template):
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11 if template.startswith('$part='):
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12 filename, seg_part = self.segment_parts_cache[template]
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13
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14 mtime = os.path.getmtime(filename)
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15
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16 def uptodate():
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17 try:
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18 return os.path.getmtime(filename) == mtime
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19 except OSError:
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20 return False
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21
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22 return seg_part, filename, uptodate
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23
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24 return super(PieCrustLoader, self).get_source(environment, template)