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1 import logging
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2 from decorators import lazy_property
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3
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4
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5 logger = logging.getLogger(__name__)
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6
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7
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8 class PageRepository(object):
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9 pass
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10
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11
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12 class ExecutionContext(object):
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13 pass
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14
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15
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16 class Environment(object):
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17 def __init__(self):
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18 self.page_repository = PageRepository()
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19 self._execution_ctx = None
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20
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21 def initialize(self, app):
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22 pass
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23
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24 @lazy_property
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25 def pages(self):
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26 logger.debug("Loading pages...")
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27 return self._loadPages()
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28
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29 @lazy_property
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30 def posts(self):
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31 logger.debug("Loading posts...")
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32 return self._loadPosts()
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33
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34 @lazy_property
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35 def file_system(self):
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36 return None
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37
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38 def get_execution_context(self, auto_create=False):
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39 if auto_create and self._execution_ctx is None:
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40 self._execution_ctx = ExecutionContext()
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41 return self._execution_ctx
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42
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43 def _loadPages(self):
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44 raise NotImplementedError()
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45
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46 def _loadPosts(self):
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47 raise NotImplementedError()
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48
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49
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50 class StandardEnvironment(Environment):
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51 pass
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52
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