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from txaws.util import *
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from txaws.util import hmac_sha1
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__all__ = ['AWSCredentials']
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ENV_ACCESS_KEY = "AWS_ACCESS_KEY_ID"
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ENV_SECRET_KEY = "AWS_SECRET_ACCESS_KEY"
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class AWSCredentials(object):
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def __init__(self, access_key=None, secret_key=None):
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"""Create an AWSCredentials object.
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:param access_key: The access key to use. If None the environment
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variable AWS_ACCESS_KEY_ID is consulted.
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:param secret_key: The secret key to use. If None the environment
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variable AWS_SECRET_ACCESS_KEY is consulted.
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"""Create an AWSCredentials object.
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@param access_key: The access key to use. If None the environment variable
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AWS_ACCESS_KEY_ID is consulted.
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@param secret_key: The secret key to use. If None the environment variable
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AWS_SECRET_ACCESS_KEY is consulted.
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def __init__(self, access_key="", secret_key=""):
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self.access_key = access_key
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self.secret_key = secret_key
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if self.secret_key is None:
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self.secret_key = os.environ.get('AWS_SECRET_ACCESS_KEY')
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if self.secret_key is None:
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raise ValueError('Could not find AWS_SECRET_ACCESS_KEY')
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self.access_key = access_key
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if self.access_key is None:
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self.access_key = os.environ.get('AWS_ACCESS_KEY_ID')
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if self.access_key is None:
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raise ValueError('Could not find AWS_ACCESS_KEY_ID')
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# perform checks for access key
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if not self.access_key:
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self.access_key = os.environ.get(ENV_ACCESS_KEY)
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if not self.access_key:
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raise ValueError("Could not find %s" % ENV_ACCESS_KEY)
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# perform checks for secret key
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if not self.secret_key:
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self.secret_key = os.environ.get(ENV_SECRET_KEY)
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if not self.secret_key:
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raise ValueError("Could not find %s" % ENV_SECRET_KEY)
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def sign(self, bytes):
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"""Sign some bytes."""