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annotate foodtruck/configuration.py @ 601:effbc78b5528

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admin: Better error reporting, general clean-up.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 24 Jan 2016 10:42:33 -0800
parents foodtruck/config.py@79a31a3c947b
children efc1dc916e7c
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1 import os.path
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2 import copy
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3 import logging
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4 import yaml
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5 from piecrust.configuration import (
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6 Configuration, ConfigurationError, ConfigurationLoader,
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7 merge_dicts)
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8
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9
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10 logger = logging.getLogger(__name__)
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13 def get_foodtruck_config(dirname=None):
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14 dirname = dirname or os.getcwd()
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15 cfg_path = os.path.join(dirname, 'foodtruck.yml')
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16 return FoodTruckConfiguration(cfg_path)
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17
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18
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19 class FoodTruckConfigNotFoundError(Exception):
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20 pass
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23 class FoodTruckConfiguration(Configuration):
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24 def __init__(self, cfg_path):
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25 super(FoodTruckConfiguration, self).__init__()
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26 self.cfg_path = cfg_path
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27
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28 def _load(self):
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29 try:
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30 with open(self.cfg_path, 'r', encoding='utf-8') as fp:
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31 values = yaml.load(
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32 fp.read(),
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33 Loader=ConfigurationLoader)
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34
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35 self._values = self._validateAll(values)
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36 except OSError:
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37 raise FoodTruckConfigNotFoundError()
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38 except Exception as ex:
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39 raise ConfigurationError(
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40 "Error loading configuration from: %s" %
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41 self.cfg_path) from ex
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42
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43 def _validateAll(self, values):
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44 if values is None:
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45 values = {}
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46
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47 values = merge_dicts(copy.deepcopy(default_configuration), values)
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48
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49 return values
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50
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51 def save(self):
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52 with open(self.cfg_path, 'w', encoding='utf8') as fp:
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53 self.cfg.write(fp)
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54
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55
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56 default_configuration = {
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57 'triggers': {
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58 'bake': 'chef bake'
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59 },
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60 'scm': {
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61 'type': 'hg'
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62 },
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63 'security': {
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64 'username': '',
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65 'password': ''
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66 }
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67 }
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68