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| 1 # Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/ |
| 2 # |
| 3 # Permission is hereby granted, free of charge, to any person obtaining a |
| 4 # copy of this software and associated documentation files (the |
| 5 # "Software"), to deal in the Software without restriction, including |
| 6 # without limitation the rights to use, copy, modify, merge, publish, dis- |
| 7 # tribute, sublicense, and/or sell copies of the Software, and to permit |
| 8 # persons to whom the Software is furnished to do so, subject to the fol- |
| 9 # lowing conditions: |
| 10 # |
| 11 # The above copyright notice and this permission notice shall be included |
| 12 # in all copies or substantial portions of the Software. |
| 13 # |
| 14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 15 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- |
| 16 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT |
| 17 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 18 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 20 # IN THE SOFTWARE. |
| 21 |
| 22 from boto.pyami.config import Config |
| 23 from boto.services.message import ServiceMessage |
| 24 import boto |
| 25 |
| 26 class ServiceDef(Config): |
| 27 |
| 28 def __init__(self, config_file, aws_access_key_id=None, aws_secret_access_ke
y=None): |
| 29 Config.__init__(self, config_file) |
| 30 self.aws_access_key_id = aws_access_key_id |
| 31 self.aws_secret_access_key = aws_secret_access_key |
| 32 script = Config.get(self, 'Pyami', 'scripts') |
| 33 if script: |
| 34 self.name = script.split('.')[-1] |
| 35 else: |
| 36 self.name = None |
| 37 |
| 38 |
| 39 def get(self, name, default=None): |
| 40 return Config.get(self, self.name, name, default) |
| 41 |
| 42 def has_option(self, option): |
| 43 return Config.has_option(self, self.name, option) |
| 44 |
| 45 def getint(self, option, default=0): |
| 46 try: |
| 47 val = Config.get(self, self.name, option) |
| 48 val = int(val) |
| 49 except: |
| 50 val = int(default) |
| 51 return val |
| 52 |
| 53 def getbool(self, option, default=False): |
| 54 try: |
| 55 val = Config.get(self, self.name, option) |
| 56 if val.lower() == 'true': |
| 57 val = True |
| 58 else: |
| 59 val = False |
| 60 except: |
| 61 val = default |
| 62 return val |
| 63 |
| 64 def get_obj(self, name): |
| 65 """ |
| 66 Returns the AWS object associated with a given option. |
| 67 |
| 68 The heuristics used are a bit lame. If the option name contains |
| 69 the word 'bucket' it is assumed to be an S3 bucket, if the name |
| 70 contains the word 'queue' it is assumed to be an SQS queue and |
| 71 if it contains the word 'domain' it is assumed to be a SimpleDB |
| 72 domain. If the option name specified does not exist in the |
| 73 config file or if the AWS object cannot be retrieved this |
| 74 returns None. |
| 75 """ |
| 76 val = self.get(name) |
| 77 if not val: |
| 78 return None |
| 79 if name.find('queue') >= 0: |
| 80 obj = boto.lookup('sqs', val) |
| 81 if obj: |
| 82 obj.set_message_class(ServiceMessage) |
| 83 elif name.find('bucket') >= 0: |
| 84 obj = boto.lookup('s3', val) |
| 85 elif name.find('domain') >= 0: |
| 86 obj = boto.lookup('sdb', val) |
| 87 else: |
| 88 obj = None |
| 89 return obj |
| 90 |
| 91 |
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