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annotate rhodecode/lib/celerypylons/loader.py @ 865:4f89f5f078f8

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merged with beta
author Marcin Kuzminski <marcin@python-works.com>
date Sat, 18 Dec 2010 17:13:46 +0100
parents f6c613fba757
children 3a7f5b1a19dd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f6c613fba757 Celery is configured by the .ini files and run from paster now
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1 from celery.loaders.base import BaseLoader
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2 from pylons import config
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3
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4 to_pylons = lambda x: x.replace('_', '.').lower()
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5 to_celery = lambda x: x.replace('.', '_').upper()
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6
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7 LIST_PARAMS = """CELERY_IMPORTS ADMINS ROUTES""".split()
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8
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9
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10 class PylonsSettingsProxy(object):
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11 """Pylons Settings Proxy
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12
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13 Proxies settings from pylons.config
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14
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15 """
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16 def __getattr__(self, key):
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17 pylons_key = to_pylons(key)
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18 try:
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19 value = config[pylons_key]
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20 if key in LIST_PARAMS: return value.split()
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21 return self.type_converter(value)
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22 except KeyError:
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23 raise AttributeError(pylons_key)
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24
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25 def __setattr__(self, key, value):
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26 pylons_key = to_pylons(key)
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27 config[pylons_key] = value
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28
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29
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30 def type_converter(self, value):
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31 #cast to int
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32 if value.isdigit():
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33 return int(value)
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34
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35 #cast to bool
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36 if value.lower() in ['true', 'false']:
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37 return value.lower() == 'true'
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38
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39 return value
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40
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41 class PylonsLoader(BaseLoader):
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42 """Pylons celery loader
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43
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44 Maps the celery config onto pylons.config
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45
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46 """
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47 def read_configuration(self):
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48 self.configured = True
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49 return PylonsSettingsProxy()
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50
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51 def on_worker_init(self):
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52 """
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53 Import task modules.
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54 """
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55 self.import_default_modules()